From 38a1eeb6c3fbdee319abe851ad4288d369cbf371 Mon Sep 17 00:00:00 2001
From: Yuriy Taraday <yorik.sar@gmail.com>
Date: Mon, 5 Feb 2018 02:35:27 +0400
Subject: [PATCH] Return []byte from encode, use it instead of bytes.Buffer

We only use Buffer for its internal buffer returned by Bytes() outside
encode() anyway, so there's no reason to hold on to whole Buffer object.
---
 internal/lvgen/procedures.tmpl |    4 +-
 libvirt.gen.go                 | 1560 ++++++++++++++++----------------
 libvirt.go                     |    4 +-
 rpc.go                         |   16 +-
 rpc_test.go                    |    2 +-
 5 files changed, 793 insertions(+), 793 deletions(-)

diff --git a/internal/lvgen/procedures.tmpl b/internal/lvgen/procedures.tmpl
index 1dd931e..4763c86 100644
--- a/internal/lvgen/procedures.tmpl
+++ b/internal/lvgen/procedures.tmpl
@@ -129,7 +129,7 @@ func decodeTypedParams(dec *xdr.Decoder) ([]TypedParam, error) {
 {{range .Procs}}
 // {{.Name}} is the go wrapper for {{.LVName}}.
 func (l *Libvirt) {{.Name}}({{range $ix, $arg := .Args}}{{if $ix}}, {{end}}{{.Name}} {{.Type}}{{end}}) ({{range .Ret}}r{{.Name}} {{.Type}}, {{end}}err error) {
-	var buf bytes.Buffer
+	var buf []byte
 {{if .ArgsStruct}}
 	args := {{.ArgsStruct}} {
 {{range .Args}}		{{.Name}}: {{.Name}},
@@ -141,7 +141,7 @@ func (l *Libvirt) {{.Name}}({{range $ix, $arg := .Args}}{{if $ix}}, {{end}}{{.Na
 	}
 {{end}}
 {{if .RetStruct}}	var r response{{end}}
-	{{if .RetStruct}}r{{else}}_{{end}}, err = l.request({{.Num}}, constants.Program, &buf)
+	{{if .RetStruct}}r{{else}}_{{end}}, err = l.request({{.Num}}, constants.Program, buf)
 	if err != nil {
 		return
 	}
diff --git a/libvirt.gen.go b/libvirt.gen.go
index 45f733c..5d48259 100644
--- a/libvirt.gen.go
+++ b/libvirt.gen.go
@@ -3939,7 +3939,7 @@ func decodeTypedParams(dec *xdr.Decoder) ([]TypedParam, error) {
 
 // ConnectOpen is the go wrapper for REMOTE_PROC_CONNECT_OPEN.
 func (l *Libvirt) ConnectOpen(Name OptString, Flags ConnectFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectOpenArgs {
 		Name: Name,
@@ -3952,7 +3952,7 @@ func (l *Libvirt) ConnectOpen(Name OptString, Flags ConnectFlags) (err error) {
 	}
 
 
-	_, err = l.request(1, constants.Program, &buf)
+	_, err = l.request(1, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -3962,10 +3962,10 @@ func (l *Libvirt) ConnectOpen(Name OptString, Flags ConnectFlags) (err error) {
 
 // ConnectClose is the go wrapper for REMOTE_PROC_CONNECT_CLOSE.
 func (l *Libvirt) ConnectClose() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(2, constants.Program, &buf)
+	_, err = l.request(2, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -3975,10 +3975,10 @@ func (l *Libvirt) ConnectClose() (err error) {
 
 // ConnectGetType is the go wrapper for REMOTE_PROC_CONNECT_GET_TYPE.
 func (l *Libvirt) ConnectGetType() (rType string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(3, constants.Program, &buf)
+	r, err = l.request(3, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -3997,10 +3997,10 @@ func (l *Libvirt) ConnectGetType() (rType string, err error) {
 
 // ConnectGetVersion is the go wrapper for REMOTE_PROC_CONNECT_GET_VERSION.
 func (l *Libvirt) ConnectGetVersion() (rHvVer uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(4, constants.Program, &buf)
+	r, err = l.request(4, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4019,7 +4019,7 @@ func (l *Libvirt) ConnectGetVersion() (rHvVer uint64, err error) {
 
 // ConnectGetMaxVcpus is the go wrapper for REMOTE_PROC_CONNECT_GET_MAX_VCPUS.
 func (l *Libvirt) ConnectGetMaxVcpus(Type OptString) (rMaxVcpus int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectGetMaxVcpusArgs {
 		Type: Type,
@@ -4031,7 +4031,7 @@ func (l *Libvirt) ConnectGetMaxVcpus(Type OptString) (rMaxVcpus int32, err error
 	}
 
 	var r response
-	r, err = l.request(5, constants.Program, &buf)
+	r, err = l.request(5, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4050,10 +4050,10 @@ func (l *Libvirt) ConnectGetMaxVcpus(Type OptString) (rMaxVcpus int32, err error
 
 // NodeGetInfo is the go wrapper for REMOTE_PROC_NODE_GET_INFO.
 func (l *Libvirt) NodeGetInfo() (rModel [32]int8, rMemory uint64, rCpus int32, rMhz int32, rNodes int32, rSockets int32, rCores int32, rThreads int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(6, constants.Program, &buf)
+	r, err = l.request(6, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4107,10 +4107,10 @@ func (l *Libvirt) NodeGetInfo() (rModel [32]int8, rMemory uint64, rCpus int32, r
 
 // ConnectGetCapabilities is the go wrapper for REMOTE_PROC_CONNECT_GET_CAPABILITIES.
 func (l *Libvirt) ConnectGetCapabilities() (rCapabilities string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(7, constants.Program, &buf)
+	r, err = l.request(7, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4129,7 +4129,7 @@ func (l *Libvirt) ConnectGetCapabilities() (rCapabilities string, err error) {
 
 // DomainAttachDevice is the go wrapper for REMOTE_PROC_DOMAIN_ATTACH_DEVICE.
 func (l *Libvirt) DomainAttachDevice(Dom Domain, XML string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainAttachDeviceArgs {
 		Dom: Dom,
@@ -4142,7 +4142,7 @@ func (l *Libvirt) DomainAttachDevice(Dom Domain, XML string) (err error) {
 	}
 
 
-	_, err = l.request(8, constants.Program, &buf)
+	_, err = l.request(8, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4152,7 +4152,7 @@ func (l *Libvirt) DomainAttachDevice(Dom Domain, XML string) (err error) {
 
 // DomainCreate is the go wrapper for REMOTE_PROC_DOMAIN_CREATE.
 func (l *Libvirt) DomainCreate(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCreateArgs {
 		Dom: Dom,
@@ -4164,7 +4164,7 @@ func (l *Libvirt) DomainCreate(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(9, constants.Program, &buf)
+	_, err = l.request(9, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4174,7 +4174,7 @@ func (l *Libvirt) DomainCreate(Dom Domain) (err error) {
 
 // DomainCreateXML is the go wrapper for REMOTE_PROC_DOMAIN_CREATE_XML.
 func (l *Libvirt) DomainCreateXML(XMLDesc string, Flags DomainCreateFlags) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCreateXMLArgs {
 		XMLDesc: XMLDesc,
@@ -4187,7 +4187,7 @@ func (l *Libvirt) DomainCreateXML(XMLDesc string, Flags DomainCreateFlags) (rDom
 	}
 
 	var r response
-	r, err = l.request(10, constants.Program, &buf)
+	r, err = l.request(10, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4206,7 +4206,7 @@ func (l *Libvirt) DomainCreateXML(XMLDesc string, Flags DomainCreateFlags) (rDom
 
 // DomainDefineXML is the go wrapper for REMOTE_PROC_DOMAIN_DEFINE_XML.
 func (l *Libvirt) DomainDefineXML(XML string) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDefineXMLArgs {
 		XML: XML,
@@ -4218,7 +4218,7 @@ func (l *Libvirt) DomainDefineXML(XML string) (rDom Domain, err error) {
 	}
 
 	var r response
-	r, err = l.request(11, constants.Program, &buf)
+	r, err = l.request(11, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4237,7 +4237,7 @@ func (l *Libvirt) DomainDefineXML(XML string) (rDom Domain, err error) {
 
 // DomainDestroy is the go wrapper for REMOTE_PROC_DOMAIN_DESTROY.
 func (l *Libvirt) DomainDestroy(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDestroyArgs {
 		Dom: Dom,
@@ -4249,7 +4249,7 @@ func (l *Libvirt) DomainDestroy(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(12, constants.Program, &buf)
+	_, err = l.request(12, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4259,7 +4259,7 @@ func (l *Libvirt) DomainDestroy(Dom Domain) (err error) {
 
 // DomainDetachDevice is the go wrapper for REMOTE_PROC_DOMAIN_DETACH_DEVICE.
 func (l *Libvirt) DomainDetachDevice(Dom Domain, XML string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDetachDeviceArgs {
 		Dom: Dom,
@@ -4272,7 +4272,7 @@ func (l *Libvirt) DomainDetachDevice(Dom Domain, XML string) (err error) {
 	}
 
 
-	_, err = l.request(13, constants.Program, &buf)
+	_, err = l.request(13, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4282,7 +4282,7 @@ func (l *Libvirt) DomainDetachDevice(Dom Domain, XML string) (err error) {
 
 // DomainGetXMLDesc is the go wrapper for REMOTE_PROC_DOMAIN_GET_XML_DESC.
 func (l *Libvirt) DomainGetXMLDesc(Dom Domain, Flags DomainXMLFlags) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetXMLDescArgs {
 		Dom: Dom,
@@ -4295,7 +4295,7 @@ func (l *Libvirt) DomainGetXMLDesc(Dom Domain, Flags DomainXMLFlags) (rXML strin
 	}
 
 	var r response
-	r, err = l.request(14, constants.Program, &buf)
+	r, err = l.request(14, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4314,7 +4314,7 @@ func (l *Libvirt) DomainGetXMLDesc(Dom Domain, Flags DomainXMLFlags) (rXML strin
 
 // DomainGetAutostart is the go wrapper for REMOTE_PROC_DOMAIN_GET_AUTOSTART.
 func (l *Libvirt) DomainGetAutostart(Dom Domain) (rAutostart int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetAutostartArgs {
 		Dom: Dom,
@@ -4326,7 +4326,7 @@ func (l *Libvirt) DomainGetAutostart(Dom Domain) (rAutostart int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(15, constants.Program, &buf)
+	r, err = l.request(15, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4345,7 +4345,7 @@ func (l *Libvirt) DomainGetAutostart(Dom Domain) (rAutostart int32, err error) {
 
 // DomainGetInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_INFO.
 func (l *Libvirt) DomainGetInfo(Dom Domain) (rState uint8, rMaxMem uint64, rMemory uint64, rNrVirtCPU uint16, rCPUTime uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetInfoArgs {
 		Dom: Dom,
@@ -4357,7 +4357,7 @@ func (l *Libvirt) DomainGetInfo(Dom Domain) (rState uint8, rMaxMem uint64, rMemo
 	}
 
 	var r response
-	r, err = l.request(16, constants.Program, &buf)
+	r, err = l.request(16, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4396,7 +4396,7 @@ func (l *Libvirt) DomainGetInfo(Dom Domain) (rState uint8, rMaxMem uint64, rMemo
 
 // DomainGetMaxMemory is the go wrapper for REMOTE_PROC_DOMAIN_GET_MAX_MEMORY.
 func (l *Libvirt) DomainGetMaxMemory(Dom Domain) (rMemory uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetMaxMemoryArgs {
 		Dom: Dom,
@@ -4408,7 +4408,7 @@ func (l *Libvirt) DomainGetMaxMemory(Dom Domain) (rMemory uint64, err error) {
 	}
 
 	var r response
-	r, err = l.request(17, constants.Program, &buf)
+	r, err = l.request(17, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4427,7 +4427,7 @@ func (l *Libvirt) DomainGetMaxMemory(Dom Domain) (rMemory uint64, err error) {
 
 // DomainGetMaxVcpus is the go wrapper for REMOTE_PROC_DOMAIN_GET_MAX_VCPUS.
 func (l *Libvirt) DomainGetMaxVcpus(Dom Domain) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetMaxVcpusArgs {
 		Dom: Dom,
@@ -4439,7 +4439,7 @@ func (l *Libvirt) DomainGetMaxVcpus(Dom Domain) (rNum int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(18, constants.Program, &buf)
+	r, err = l.request(18, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4458,7 +4458,7 @@ func (l *Libvirt) DomainGetMaxVcpus(Dom Domain) (rNum int32, err error) {
 
 // DomainGetOsType is the go wrapper for REMOTE_PROC_DOMAIN_GET_OS_TYPE.
 func (l *Libvirt) DomainGetOsType(Dom Domain) (rType string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetOsTypeArgs {
 		Dom: Dom,
@@ -4470,7 +4470,7 @@ func (l *Libvirt) DomainGetOsType(Dom Domain) (rType string, err error) {
 	}
 
 	var r response
-	r, err = l.request(19, constants.Program, &buf)
+	r, err = l.request(19, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4489,7 +4489,7 @@ func (l *Libvirt) DomainGetOsType(Dom Domain) (rType string, err error) {
 
 // DomainGetVcpus is the go wrapper for REMOTE_PROC_DOMAIN_GET_VCPUS.
 func (l *Libvirt) DomainGetVcpus(Dom Domain, Maxinfo int32, Maplen int32) (rInfo []VcpuInfo, rCpumaps []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetVcpusArgs {
 		Dom: Dom,
@@ -4503,7 +4503,7 @@ func (l *Libvirt) DomainGetVcpus(Dom Domain, Maxinfo int32, Maplen int32) (rInfo
 	}
 
 	var r response
-	r, err = l.request(20, constants.Program, &buf)
+	r, err = l.request(20, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4527,7 +4527,7 @@ func (l *Libvirt) DomainGetVcpus(Dom Domain, Maxinfo int32, Maplen int32) (rInfo
 
 // ConnectListDefinedDomains is the go wrapper for REMOTE_PROC_CONNECT_LIST_DEFINED_DOMAINS.
 func (l *Libvirt) ConnectListDefinedDomains(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListDefinedDomainsArgs {
 		Maxnames: Maxnames,
@@ -4539,7 +4539,7 @@ func (l *Libvirt) ConnectListDefinedDomains(Maxnames int32) (rNames []string, er
 	}
 
 	var r response
-	r, err = l.request(21, constants.Program, &buf)
+	r, err = l.request(21, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4558,7 +4558,7 @@ func (l *Libvirt) ConnectListDefinedDomains(Maxnames int32) (rNames []string, er
 
 // DomainLookupByID is the go wrapper for REMOTE_PROC_DOMAIN_LOOKUP_BY_ID.
 func (l *Libvirt) DomainLookupByID(ID int32) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainLookupByIDArgs {
 		ID: ID,
@@ -4570,7 +4570,7 @@ func (l *Libvirt) DomainLookupByID(ID int32) (rDom Domain, err error) {
 	}
 
 	var r response
-	r, err = l.request(22, constants.Program, &buf)
+	r, err = l.request(22, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4589,7 +4589,7 @@ func (l *Libvirt) DomainLookupByID(ID int32) (rDom Domain, err error) {
 
 // DomainLookupByName is the go wrapper for REMOTE_PROC_DOMAIN_LOOKUP_BY_NAME.
 func (l *Libvirt) DomainLookupByName(Name string) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainLookupByNameArgs {
 		Name: Name,
@@ -4601,7 +4601,7 @@ func (l *Libvirt) DomainLookupByName(Name string) (rDom Domain, err error) {
 	}
 
 	var r response
-	r, err = l.request(23, constants.Program, &buf)
+	r, err = l.request(23, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4620,7 +4620,7 @@ func (l *Libvirt) DomainLookupByName(Name string) (rDom Domain, err error) {
 
 // DomainLookupByUUID is the go wrapper for REMOTE_PROC_DOMAIN_LOOKUP_BY_UUID.
 func (l *Libvirt) DomainLookupByUUID(UUID UUID) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainLookupByUUIDArgs {
 		UUID: UUID,
@@ -4632,7 +4632,7 @@ func (l *Libvirt) DomainLookupByUUID(UUID UUID) (rDom Domain, err error) {
 	}
 
 	var r response
-	r, err = l.request(24, constants.Program, &buf)
+	r, err = l.request(24, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4651,10 +4651,10 @@ func (l *Libvirt) DomainLookupByUUID(UUID UUID) (rDom Domain, err error) {
 
 // ConnectNumOfDefinedDomains is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_DEFINED_DOMAINS.
 func (l *Libvirt) ConnectNumOfDefinedDomains() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(25, constants.Program, &buf)
+	r, err = l.request(25, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4673,7 +4673,7 @@ func (l *Libvirt) ConnectNumOfDefinedDomains() (rNum int32, err error) {
 
 // DomainPinVcpu is the go wrapper for REMOTE_PROC_DOMAIN_PIN_VCPU.
 func (l *Libvirt) DomainPinVcpu(Dom Domain, Vcpu uint32, Cpumap []byte) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainPinVcpuArgs {
 		Dom: Dom,
@@ -4687,7 +4687,7 @@ func (l *Libvirt) DomainPinVcpu(Dom Domain, Vcpu uint32, Cpumap []byte) (err err
 	}
 
 
-	_, err = l.request(26, constants.Program, &buf)
+	_, err = l.request(26, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4697,7 +4697,7 @@ func (l *Libvirt) DomainPinVcpu(Dom Domain, Vcpu uint32, Cpumap []byte) (err err
 
 // DomainReboot is the go wrapper for REMOTE_PROC_DOMAIN_REBOOT.
 func (l *Libvirt) DomainReboot(Dom Domain, Flags DomainRebootFlagValues) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainRebootArgs {
 		Dom: Dom,
@@ -4710,7 +4710,7 @@ func (l *Libvirt) DomainReboot(Dom Domain, Flags DomainRebootFlagValues) (err er
 	}
 
 
-	_, err = l.request(27, constants.Program, &buf)
+	_, err = l.request(27, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4720,7 +4720,7 @@ func (l *Libvirt) DomainReboot(Dom Domain, Flags DomainRebootFlagValues) (err er
 
 // DomainResume is the go wrapper for REMOTE_PROC_DOMAIN_RESUME.
 func (l *Libvirt) DomainResume(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainResumeArgs {
 		Dom: Dom,
@@ -4732,7 +4732,7 @@ func (l *Libvirt) DomainResume(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(28, constants.Program, &buf)
+	_, err = l.request(28, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4742,7 +4742,7 @@ func (l *Libvirt) DomainResume(Dom Domain) (err error) {
 
 // DomainSetAutostart is the go wrapper for REMOTE_PROC_DOMAIN_SET_AUTOSTART.
 func (l *Libvirt) DomainSetAutostart(Dom Domain, Autostart int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetAutostartArgs {
 		Dom: Dom,
@@ -4755,7 +4755,7 @@ func (l *Libvirt) DomainSetAutostart(Dom Domain, Autostart int32) (err error) {
 	}
 
 
-	_, err = l.request(29, constants.Program, &buf)
+	_, err = l.request(29, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4765,7 +4765,7 @@ func (l *Libvirt) DomainSetAutostart(Dom Domain, Autostart int32) (err error) {
 
 // DomainSetMaxMemory is the go wrapper for REMOTE_PROC_DOMAIN_SET_MAX_MEMORY.
 func (l *Libvirt) DomainSetMaxMemory(Dom Domain, Memory uint64) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetMaxMemoryArgs {
 		Dom: Dom,
@@ -4778,7 +4778,7 @@ func (l *Libvirt) DomainSetMaxMemory(Dom Domain, Memory uint64) (err error) {
 	}
 
 
-	_, err = l.request(30, constants.Program, &buf)
+	_, err = l.request(30, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4788,7 +4788,7 @@ func (l *Libvirt) DomainSetMaxMemory(Dom Domain, Memory uint64) (err error) {
 
 // DomainSetMemory is the go wrapper for REMOTE_PROC_DOMAIN_SET_MEMORY.
 func (l *Libvirt) DomainSetMemory(Dom Domain, Memory uint64) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetMemoryArgs {
 		Dom: Dom,
@@ -4801,7 +4801,7 @@ func (l *Libvirt) DomainSetMemory(Dom Domain, Memory uint64) (err error) {
 	}
 
 
-	_, err = l.request(31, constants.Program, &buf)
+	_, err = l.request(31, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4811,7 +4811,7 @@ func (l *Libvirt) DomainSetMemory(Dom Domain, Memory uint64) (err error) {
 
 // DomainSetVcpus is the go wrapper for REMOTE_PROC_DOMAIN_SET_VCPUS.
 func (l *Libvirt) DomainSetVcpus(Dom Domain, Nvcpus uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetVcpusArgs {
 		Dom: Dom,
@@ -4824,7 +4824,7 @@ func (l *Libvirt) DomainSetVcpus(Dom Domain, Nvcpus uint32) (err error) {
 	}
 
 
-	_, err = l.request(32, constants.Program, &buf)
+	_, err = l.request(32, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4834,7 +4834,7 @@ func (l *Libvirt) DomainSetVcpus(Dom Domain, Nvcpus uint32) (err error) {
 
 // DomainShutdown is the go wrapper for REMOTE_PROC_DOMAIN_SHUTDOWN.
 func (l *Libvirt) DomainShutdown(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainShutdownArgs {
 		Dom: Dom,
@@ -4846,7 +4846,7 @@ func (l *Libvirt) DomainShutdown(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(33, constants.Program, &buf)
+	_, err = l.request(33, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4856,7 +4856,7 @@ func (l *Libvirt) DomainShutdown(Dom Domain) (err error) {
 
 // DomainSuspend is the go wrapper for REMOTE_PROC_DOMAIN_SUSPEND.
 func (l *Libvirt) DomainSuspend(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSuspendArgs {
 		Dom: Dom,
@@ -4868,7 +4868,7 @@ func (l *Libvirt) DomainSuspend(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(34, constants.Program, &buf)
+	_, err = l.request(34, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4878,7 +4878,7 @@ func (l *Libvirt) DomainSuspend(Dom Domain) (err error) {
 
 // DomainUndefine is the go wrapper for REMOTE_PROC_DOMAIN_UNDEFINE.
 func (l *Libvirt) DomainUndefine(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainUndefineArgs {
 		Dom: Dom,
@@ -4890,7 +4890,7 @@ func (l *Libvirt) DomainUndefine(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(35, constants.Program, &buf)
+	_, err = l.request(35, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4900,7 +4900,7 @@ func (l *Libvirt) DomainUndefine(Dom Domain) (err error) {
 
 // ConnectListDefinedNetworks is the go wrapper for REMOTE_PROC_CONNECT_LIST_DEFINED_NETWORKS.
 func (l *Libvirt) ConnectListDefinedNetworks(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListDefinedNetworksArgs {
 		Maxnames: Maxnames,
@@ -4912,7 +4912,7 @@ func (l *Libvirt) ConnectListDefinedNetworks(Maxnames int32) (rNames []string, e
 	}
 
 	var r response
-	r, err = l.request(36, constants.Program, &buf)
+	r, err = l.request(36, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4931,7 +4931,7 @@ func (l *Libvirt) ConnectListDefinedNetworks(Maxnames int32) (rNames []string, e
 
 // ConnectListDomains is the go wrapper for REMOTE_PROC_CONNECT_LIST_DOMAINS.
 func (l *Libvirt) ConnectListDomains(Maxids int32) (rIds []int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListDomainsArgs {
 		Maxids: Maxids,
@@ -4943,7 +4943,7 @@ func (l *Libvirt) ConnectListDomains(Maxids int32) (rIds []int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(37, constants.Program, &buf)
+	r, err = l.request(37, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4962,7 +4962,7 @@ func (l *Libvirt) ConnectListDomains(Maxids int32) (rIds []int32, err error) {
 
 // ConnectListNetworks is the go wrapper for REMOTE_PROC_CONNECT_LIST_NETWORKS.
 func (l *Libvirt) ConnectListNetworks(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListNetworksArgs {
 		Maxnames: Maxnames,
@@ -4974,7 +4974,7 @@ func (l *Libvirt) ConnectListNetworks(Maxnames int32) (rNames []string, err erro
 	}
 
 	var r response
-	r, err = l.request(38, constants.Program, &buf)
+	r, err = l.request(38, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -4993,7 +4993,7 @@ func (l *Libvirt) ConnectListNetworks(Maxnames int32) (rNames []string, err erro
 
 // NetworkCreate is the go wrapper for REMOTE_PROC_NETWORK_CREATE.
 func (l *Libvirt) NetworkCreate(Net Network) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkCreateArgs {
 		Net: Net,
@@ -5005,7 +5005,7 @@ func (l *Libvirt) NetworkCreate(Net Network) (err error) {
 	}
 
 
-	_, err = l.request(39, constants.Program, &buf)
+	_, err = l.request(39, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5015,7 +5015,7 @@ func (l *Libvirt) NetworkCreate(Net Network) (err error) {
 
 // NetworkCreateXML is the go wrapper for REMOTE_PROC_NETWORK_CREATE_XML.
 func (l *Libvirt) NetworkCreateXML(XML string) (rNet Network, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkCreateXMLArgs {
 		XML: XML,
@@ -5027,7 +5027,7 @@ func (l *Libvirt) NetworkCreateXML(XML string) (rNet Network, err error) {
 	}
 
 	var r response
-	r, err = l.request(40, constants.Program, &buf)
+	r, err = l.request(40, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5046,7 +5046,7 @@ func (l *Libvirt) NetworkCreateXML(XML string) (rNet Network, err error) {
 
 // NetworkDefineXML is the go wrapper for REMOTE_PROC_NETWORK_DEFINE_XML.
 func (l *Libvirt) NetworkDefineXML(XML string) (rNet Network, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkDefineXMLArgs {
 		XML: XML,
@@ -5058,7 +5058,7 @@ func (l *Libvirt) NetworkDefineXML(XML string) (rNet Network, err error) {
 	}
 
 	var r response
-	r, err = l.request(41, constants.Program, &buf)
+	r, err = l.request(41, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5077,7 +5077,7 @@ func (l *Libvirt) NetworkDefineXML(XML string) (rNet Network, err error) {
 
 // NetworkDestroy is the go wrapper for REMOTE_PROC_NETWORK_DESTROY.
 func (l *Libvirt) NetworkDestroy(Net Network) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkDestroyArgs {
 		Net: Net,
@@ -5089,7 +5089,7 @@ func (l *Libvirt) NetworkDestroy(Net Network) (err error) {
 	}
 
 
-	_, err = l.request(42, constants.Program, &buf)
+	_, err = l.request(42, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5099,7 +5099,7 @@ func (l *Libvirt) NetworkDestroy(Net Network) (err error) {
 
 // NetworkGetXMLDesc is the go wrapper for REMOTE_PROC_NETWORK_GET_XML_DESC.
 func (l *Libvirt) NetworkGetXMLDesc(Net Network, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkGetXMLDescArgs {
 		Net: Net,
@@ -5112,7 +5112,7 @@ func (l *Libvirt) NetworkGetXMLDesc(Net Network, Flags uint32) (rXML string, err
 	}
 
 	var r response
-	r, err = l.request(43, constants.Program, &buf)
+	r, err = l.request(43, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5131,7 +5131,7 @@ func (l *Libvirt) NetworkGetXMLDesc(Net Network, Flags uint32) (rXML string, err
 
 // NetworkGetAutostart is the go wrapper for REMOTE_PROC_NETWORK_GET_AUTOSTART.
 func (l *Libvirt) NetworkGetAutostart(Net Network) (rAutostart int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkGetAutostartArgs {
 		Net: Net,
@@ -5143,7 +5143,7 @@ func (l *Libvirt) NetworkGetAutostart(Net Network) (rAutostart int32, err error)
 	}
 
 	var r response
-	r, err = l.request(44, constants.Program, &buf)
+	r, err = l.request(44, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5162,7 +5162,7 @@ func (l *Libvirt) NetworkGetAutostart(Net Network) (rAutostart int32, err error)
 
 // NetworkGetBridgeName is the go wrapper for REMOTE_PROC_NETWORK_GET_BRIDGE_NAME.
 func (l *Libvirt) NetworkGetBridgeName(Net Network) (rName string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkGetBridgeNameArgs {
 		Net: Net,
@@ -5174,7 +5174,7 @@ func (l *Libvirt) NetworkGetBridgeName(Net Network) (rName string, err error) {
 	}
 
 	var r response
-	r, err = l.request(45, constants.Program, &buf)
+	r, err = l.request(45, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5193,7 +5193,7 @@ func (l *Libvirt) NetworkGetBridgeName(Net Network) (rName string, err error) {
 
 // NetworkLookupByName is the go wrapper for REMOTE_PROC_NETWORK_LOOKUP_BY_NAME.
 func (l *Libvirt) NetworkLookupByName(Name string) (rNet Network, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkLookupByNameArgs {
 		Name: Name,
@@ -5205,7 +5205,7 @@ func (l *Libvirt) NetworkLookupByName(Name string) (rNet Network, err error) {
 	}
 
 	var r response
-	r, err = l.request(46, constants.Program, &buf)
+	r, err = l.request(46, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5224,7 +5224,7 @@ func (l *Libvirt) NetworkLookupByName(Name string) (rNet Network, err error) {
 
 // NetworkLookupByUUID is the go wrapper for REMOTE_PROC_NETWORK_LOOKUP_BY_UUID.
 func (l *Libvirt) NetworkLookupByUUID(UUID UUID) (rNet Network, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkLookupByUUIDArgs {
 		UUID: UUID,
@@ -5236,7 +5236,7 @@ func (l *Libvirt) NetworkLookupByUUID(UUID UUID) (rNet Network, err error) {
 	}
 
 	var r response
-	r, err = l.request(47, constants.Program, &buf)
+	r, err = l.request(47, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5255,7 +5255,7 @@ func (l *Libvirt) NetworkLookupByUUID(UUID UUID) (rNet Network, err error) {
 
 // NetworkSetAutostart is the go wrapper for REMOTE_PROC_NETWORK_SET_AUTOSTART.
 func (l *Libvirt) NetworkSetAutostart(Net Network, Autostart int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkSetAutostartArgs {
 		Net: Net,
@@ -5268,7 +5268,7 @@ func (l *Libvirt) NetworkSetAutostart(Net Network, Autostart int32) (err error)
 	}
 
 
-	_, err = l.request(48, constants.Program, &buf)
+	_, err = l.request(48, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5278,7 +5278,7 @@ func (l *Libvirt) NetworkSetAutostart(Net Network, Autostart int32) (err error)
 
 // NetworkUndefine is the go wrapper for REMOTE_PROC_NETWORK_UNDEFINE.
 func (l *Libvirt) NetworkUndefine(Net Network) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkUndefineArgs {
 		Net: Net,
@@ -5290,7 +5290,7 @@ func (l *Libvirt) NetworkUndefine(Net Network) (err error) {
 	}
 
 
-	_, err = l.request(49, constants.Program, &buf)
+	_, err = l.request(49, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5300,10 +5300,10 @@ func (l *Libvirt) NetworkUndefine(Net Network) (err error) {
 
 // ConnectNumOfDefinedNetworks is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_DEFINED_NETWORKS.
 func (l *Libvirt) ConnectNumOfDefinedNetworks() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(50, constants.Program, &buf)
+	r, err = l.request(50, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5322,10 +5322,10 @@ func (l *Libvirt) ConnectNumOfDefinedNetworks() (rNum int32, err error) {
 
 // ConnectNumOfDomains is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_DOMAINS.
 func (l *Libvirt) ConnectNumOfDomains() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(51, constants.Program, &buf)
+	r, err = l.request(51, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5344,10 +5344,10 @@ func (l *Libvirt) ConnectNumOfDomains() (rNum int32, err error) {
 
 // ConnectNumOfNetworks is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_NETWORKS.
 func (l *Libvirt) ConnectNumOfNetworks() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(52, constants.Program, &buf)
+	r, err = l.request(52, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5366,7 +5366,7 @@ func (l *Libvirt) ConnectNumOfNetworks() (rNum int32, err error) {
 
 // DomainCoreDump is the go wrapper for REMOTE_PROC_DOMAIN_CORE_DUMP.
 func (l *Libvirt) DomainCoreDump(Dom Domain, To string, Flags DomainCoreDumpFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCoreDumpArgs {
 		Dom: Dom,
@@ -5380,7 +5380,7 @@ func (l *Libvirt) DomainCoreDump(Dom Domain, To string, Flags DomainCoreDumpFlag
 	}
 
 
-	_, err = l.request(53, constants.Program, &buf)
+	_, err = l.request(53, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5390,7 +5390,7 @@ func (l *Libvirt) DomainCoreDump(Dom Domain, To string, Flags DomainCoreDumpFlag
 
 // DomainRestore is the go wrapper for REMOTE_PROC_DOMAIN_RESTORE.
 func (l *Libvirt) DomainRestore(From string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainRestoreArgs {
 		From: From,
@@ -5402,7 +5402,7 @@ func (l *Libvirt) DomainRestore(From string) (err error) {
 	}
 
 
-	_, err = l.request(54, constants.Program, &buf)
+	_, err = l.request(54, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5412,7 +5412,7 @@ func (l *Libvirt) DomainRestore(From string) (err error) {
 
 // DomainSave is the go wrapper for REMOTE_PROC_DOMAIN_SAVE.
 func (l *Libvirt) DomainSave(Dom Domain, To string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSaveArgs {
 		Dom: Dom,
@@ -5425,7 +5425,7 @@ func (l *Libvirt) DomainSave(Dom Domain, To string) (err error) {
 	}
 
 
-	_, err = l.request(55, constants.Program, &buf)
+	_, err = l.request(55, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5435,7 +5435,7 @@ func (l *Libvirt) DomainSave(Dom Domain, To string) (err error) {
 
 // DomainGetSchedulerType is the go wrapper for REMOTE_PROC_DOMAIN_GET_SCHEDULER_TYPE.
 func (l *Libvirt) DomainGetSchedulerType(Dom Domain) (rType string, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetSchedulerTypeArgs {
 		Dom: Dom,
@@ -5447,7 +5447,7 @@ func (l *Libvirt) DomainGetSchedulerType(Dom Domain) (rType string, rNparams int
 	}
 
 	var r response
-	r, err = l.request(56, constants.Program, &buf)
+	r, err = l.request(56, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5471,7 +5471,7 @@ func (l *Libvirt) DomainGetSchedulerType(Dom Domain) (rType string, rNparams int
 
 // DomainGetSchedulerParameters is the go wrapper for REMOTE_PROC_DOMAIN_GET_SCHEDULER_PARAMETERS.
 func (l *Libvirt) DomainGetSchedulerParameters(Dom Domain, Nparams int32) (rParams []TypedParam, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetSchedulerParametersArgs {
 		Dom: Dom,
@@ -5484,7 +5484,7 @@ func (l *Libvirt) DomainGetSchedulerParameters(Dom Domain, Nparams int32) (rPara
 	}
 
 	var r response
-	r, err = l.request(57, constants.Program, &buf)
+	r, err = l.request(57, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5504,7 +5504,7 @@ func (l *Libvirt) DomainGetSchedulerParameters(Dom Domain, Nparams int32) (rPara
 
 // DomainSetSchedulerParameters is the go wrapper for REMOTE_PROC_DOMAIN_SET_SCHEDULER_PARAMETERS.
 func (l *Libvirt) DomainSetSchedulerParameters(Dom Domain, Params []TypedParam) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetSchedulerParametersArgs {
 		Dom: Dom,
@@ -5517,7 +5517,7 @@ func (l *Libvirt) DomainSetSchedulerParameters(Dom Domain, Params []TypedParam)
 	}
 
 
-	_, err = l.request(58, constants.Program, &buf)
+	_, err = l.request(58, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5527,10 +5527,10 @@ func (l *Libvirt) DomainSetSchedulerParameters(Dom Domain, Params []TypedParam)
 
 // ConnectGetHostname is the go wrapper for REMOTE_PROC_CONNECT_GET_HOSTNAME.
 func (l *Libvirt) ConnectGetHostname() (rHostname string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(59, constants.Program, &buf)
+	r, err = l.request(59, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5549,7 +5549,7 @@ func (l *Libvirt) ConnectGetHostname() (rHostname string, err error) {
 
 // ConnectSupportsFeature is the go wrapper for REMOTE_PROC_CONNECT_SUPPORTS_FEATURE.
 func (l *Libvirt) ConnectSupportsFeature(Feature int32) (rSupported int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectSupportsFeatureArgs {
 		Feature: Feature,
@@ -5561,7 +5561,7 @@ func (l *Libvirt) ConnectSupportsFeature(Feature int32) (rSupported int32, err e
 	}
 
 	var r response
-	r, err = l.request(60, constants.Program, &buf)
+	r, err = l.request(60, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5580,7 +5580,7 @@ func (l *Libvirt) ConnectSupportsFeature(Feature int32) (rSupported int32, err e
 
 // DomainMigratePrepare is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE.
 func (l *Libvirt) DomainMigratePrepare(UriIn OptString, Flags uint64, Dname OptString, Resource uint64) (rCookie []byte, rUriOut OptString, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepareArgs {
 		UriIn: UriIn,
@@ -5595,7 +5595,7 @@ func (l *Libvirt) DomainMigratePrepare(UriIn OptString, Flags uint64, Dname OptS
 	}
 
 	var r response
-	r, err = l.request(61, constants.Program, &buf)
+	r, err = l.request(61, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5619,7 +5619,7 @@ func (l *Libvirt) DomainMigratePrepare(UriIn OptString, Flags uint64, Dname OptS
 
 // DomainMigratePerform is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PERFORM.
 func (l *Libvirt) DomainMigratePerform(Dom Domain, Cookie []byte, Uri string, Flags uint64, Dname OptString, Resource uint64) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePerformArgs {
 		Dom: Dom,
@@ -5636,7 +5636,7 @@ func (l *Libvirt) DomainMigratePerform(Dom Domain, Cookie []byte, Uri string, Fl
 	}
 
 
-	_, err = l.request(62, constants.Program, &buf)
+	_, err = l.request(62, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5646,7 +5646,7 @@ func (l *Libvirt) DomainMigratePerform(Dom Domain, Cookie []byte, Uri string, Fl
 
 // DomainMigrateFinish is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_FINISH.
 func (l *Libvirt) DomainMigrateFinish(Dname string, Cookie []byte, Uri string, Flags uint64) (rDdom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateFinishArgs {
 		Dname: Dname,
@@ -5661,7 +5661,7 @@ func (l *Libvirt) DomainMigrateFinish(Dname string, Cookie []byte, Uri string, F
 	}
 
 	var r response
-	r, err = l.request(63, constants.Program, &buf)
+	r, err = l.request(63, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5680,7 +5680,7 @@ func (l *Libvirt) DomainMigrateFinish(Dname string, Cookie []byte, Uri string, F
 
 // DomainBlockStats is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_STATS.
 func (l *Libvirt) DomainBlockStats(Dom Domain, Path string) (rRdReq int64, rRdBytes int64, rWrReq int64, rWrBytes int64, rErrs int64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockStatsArgs {
 		Dom: Dom,
@@ -5693,7 +5693,7 @@ func (l *Libvirt) DomainBlockStats(Dom Domain, Path string) (rRdReq int64, rRdBy
 	}
 
 	var r response
-	r, err = l.request(64, constants.Program, &buf)
+	r, err = l.request(64, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5732,7 +5732,7 @@ func (l *Libvirt) DomainBlockStats(Dom Domain, Path string) (rRdReq int64, rRdBy
 
 // DomainInterfaceStats is the go wrapper for REMOTE_PROC_DOMAIN_INTERFACE_STATS.
 func (l *Libvirt) DomainInterfaceStats(Dom Domain, Device string) (rRxBytes int64, rRxPackets int64, rRxErrs int64, rRxDrop int64, rTxBytes int64, rTxPackets int64, rTxErrs int64, rTxDrop int64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainInterfaceStatsArgs {
 		Dom: Dom,
@@ -5745,7 +5745,7 @@ func (l *Libvirt) DomainInterfaceStats(Dom Domain, Device string) (rRxBytes int6
 	}
 
 	var r response
-	r, err = l.request(65, constants.Program, &buf)
+	r, err = l.request(65, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5799,10 +5799,10 @@ func (l *Libvirt) DomainInterfaceStats(Dom Domain, Device string) (rRxBytes int6
 
 // AuthList is the go wrapper for REMOTE_PROC_AUTH_LIST.
 func (l *Libvirt) AuthList() (rTypes []AuthType, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(66, constants.Program, &buf)
+	r, err = l.request(66, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5821,10 +5821,10 @@ func (l *Libvirt) AuthList() (rTypes []AuthType, err error) {
 
 // AuthSaslInit is the go wrapper for REMOTE_PROC_AUTH_SASL_INIT.
 func (l *Libvirt) AuthSaslInit() (rMechlist string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(67, constants.Program, &buf)
+	r, err = l.request(67, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5843,7 +5843,7 @@ func (l *Libvirt) AuthSaslInit() (rMechlist string, err error) {
 
 // AuthSaslStart is the go wrapper for REMOTE_PROC_AUTH_SASL_START.
 func (l *Libvirt) AuthSaslStart(Mech string, Nil int32, Data []int8) (rComplete int32, rNil int32, rData []int8, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := AuthSaslStartArgs {
 		Mech: Mech,
@@ -5857,7 +5857,7 @@ func (l *Libvirt) AuthSaslStart(Mech string, Nil int32, Data []int8) (rComplete
 	}
 
 	var r response
-	r, err = l.request(68, constants.Program, &buf)
+	r, err = l.request(68, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5886,7 +5886,7 @@ func (l *Libvirt) AuthSaslStart(Mech string, Nil int32, Data []int8) (rComplete
 
 // AuthSaslStep is the go wrapper for REMOTE_PROC_AUTH_SASL_STEP.
 func (l *Libvirt) AuthSaslStep(Nil int32, Data []int8) (rComplete int32, rNil int32, rData []int8, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := AuthSaslStepArgs {
 		Nil: Nil,
@@ -5899,7 +5899,7 @@ func (l *Libvirt) AuthSaslStep(Nil int32, Data []int8) (rComplete int32, rNil in
 	}
 
 	var r response
-	r, err = l.request(69, constants.Program, &buf)
+	r, err = l.request(69, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5928,10 +5928,10 @@ func (l *Libvirt) AuthSaslStep(Nil int32, Data []int8) (rComplete int32, rNil in
 
 // AuthPolkit is the go wrapper for REMOTE_PROC_AUTH_POLKIT.
 func (l *Libvirt) AuthPolkit() (rComplete int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(70, constants.Program, &buf)
+	r, err = l.request(70, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5950,10 +5950,10 @@ func (l *Libvirt) AuthPolkit() (rComplete int32, err error) {
 
 // ConnectNumOfStoragePools is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_STORAGE_POOLS.
 func (l *Libvirt) ConnectNumOfStoragePools() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(71, constants.Program, &buf)
+	r, err = l.request(71, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -5972,7 +5972,7 @@ func (l *Libvirt) ConnectNumOfStoragePools() (rNum int32, err error) {
 
 // ConnectListStoragePools is the go wrapper for REMOTE_PROC_CONNECT_LIST_STORAGE_POOLS.
 func (l *Libvirt) ConnectListStoragePools(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListStoragePoolsArgs {
 		Maxnames: Maxnames,
@@ -5984,7 +5984,7 @@ func (l *Libvirt) ConnectListStoragePools(Maxnames int32) (rNames []string, err
 	}
 
 	var r response
-	r, err = l.request(72, constants.Program, &buf)
+	r, err = l.request(72, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6003,10 +6003,10 @@ func (l *Libvirt) ConnectListStoragePools(Maxnames int32) (rNames []string, err
 
 // ConnectNumOfDefinedStoragePools is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_DEFINED_STORAGE_POOLS.
 func (l *Libvirt) ConnectNumOfDefinedStoragePools() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(73, constants.Program, &buf)
+	r, err = l.request(73, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6025,7 +6025,7 @@ func (l *Libvirt) ConnectNumOfDefinedStoragePools() (rNum int32, err error) {
 
 // ConnectListDefinedStoragePools is the go wrapper for REMOTE_PROC_CONNECT_LIST_DEFINED_STORAGE_POOLS.
 func (l *Libvirt) ConnectListDefinedStoragePools(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListDefinedStoragePoolsArgs {
 		Maxnames: Maxnames,
@@ -6037,7 +6037,7 @@ func (l *Libvirt) ConnectListDefinedStoragePools(Maxnames int32) (rNames []strin
 	}
 
 	var r response
-	r, err = l.request(74, constants.Program, &buf)
+	r, err = l.request(74, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6056,7 +6056,7 @@ func (l *Libvirt) ConnectListDefinedStoragePools(Maxnames int32) (rNames []strin
 
 // ConnectFindStoragePoolSources is the go wrapper for REMOTE_PROC_CONNECT_FIND_STORAGE_POOL_SOURCES.
 func (l *Libvirt) ConnectFindStoragePoolSources(Type string, SrcSpec OptString, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectFindStoragePoolSourcesArgs {
 		Type: Type,
@@ -6070,7 +6070,7 @@ func (l *Libvirt) ConnectFindStoragePoolSources(Type string, SrcSpec OptString,
 	}
 
 	var r response
-	r, err = l.request(75, constants.Program, &buf)
+	r, err = l.request(75, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6089,7 +6089,7 @@ func (l *Libvirt) ConnectFindStoragePoolSources(Type string, SrcSpec OptString,
 
 // StoragePoolCreateXML is the go wrapper for REMOTE_PROC_STORAGE_POOL_CREATE_XML.
 func (l *Libvirt) StoragePoolCreateXML(XML string, Flags StoragePoolCreateFlags) (rPool StoragePool, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolCreateXMLArgs {
 		XML: XML,
@@ -6102,7 +6102,7 @@ func (l *Libvirt) StoragePoolCreateXML(XML string, Flags StoragePoolCreateFlags)
 	}
 
 	var r response
-	r, err = l.request(76, constants.Program, &buf)
+	r, err = l.request(76, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6121,7 +6121,7 @@ func (l *Libvirt) StoragePoolCreateXML(XML string, Flags StoragePoolCreateFlags)
 
 // StoragePoolDefineXML is the go wrapper for REMOTE_PROC_STORAGE_POOL_DEFINE_XML.
 func (l *Libvirt) StoragePoolDefineXML(XML string, Flags uint32) (rPool StoragePool, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolDefineXMLArgs {
 		XML: XML,
@@ -6134,7 +6134,7 @@ func (l *Libvirt) StoragePoolDefineXML(XML string, Flags uint32) (rPool StorageP
 	}
 
 	var r response
-	r, err = l.request(77, constants.Program, &buf)
+	r, err = l.request(77, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6153,7 +6153,7 @@ func (l *Libvirt) StoragePoolDefineXML(XML string, Flags uint32) (rPool StorageP
 
 // StoragePoolCreate is the go wrapper for REMOTE_PROC_STORAGE_POOL_CREATE.
 func (l *Libvirt) StoragePoolCreate(Pool StoragePool, Flags StoragePoolCreateFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolCreateArgs {
 		Pool: Pool,
@@ -6166,7 +6166,7 @@ func (l *Libvirt) StoragePoolCreate(Pool StoragePool, Flags StoragePoolCreateFla
 	}
 
 
-	_, err = l.request(78, constants.Program, &buf)
+	_, err = l.request(78, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6176,7 +6176,7 @@ func (l *Libvirt) StoragePoolCreate(Pool StoragePool, Flags StoragePoolCreateFla
 
 // StoragePoolBuild is the go wrapper for REMOTE_PROC_STORAGE_POOL_BUILD.
 func (l *Libvirt) StoragePoolBuild(Pool StoragePool, Flags StoragePoolBuildFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolBuildArgs {
 		Pool: Pool,
@@ -6189,7 +6189,7 @@ func (l *Libvirt) StoragePoolBuild(Pool StoragePool, Flags StoragePoolBuildFlags
 	}
 
 
-	_, err = l.request(79, constants.Program, &buf)
+	_, err = l.request(79, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6199,7 +6199,7 @@ func (l *Libvirt) StoragePoolBuild(Pool StoragePool, Flags StoragePoolBuildFlags
 
 // StoragePoolDestroy is the go wrapper for REMOTE_PROC_STORAGE_POOL_DESTROY.
 func (l *Libvirt) StoragePoolDestroy(Pool StoragePool) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolDestroyArgs {
 		Pool: Pool,
@@ -6211,7 +6211,7 @@ func (l *Libvirt) StoragePoolDestroy(Pool StoragePool) (err error) {
 	}
 
 
-	_, err = l.request(80, constants.Program, &buf)
+	_, err = l.request(80, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6221,7 +6221,7 @@ func (l *Libvirt) StoragePoolDestroy(Pool StoragePool) (err error) {
 
 // StoragePoolDelete is the go wrapper for REMOTE_PROC_STORAGE_POOL_DELETE.
 func (l *Libvirt) StoragePoolDelete(Pool StoragePool, Flags StoragePoolDeleteFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolDeleteArgs {
 		Pool: Pool,
@@ -6234,7 +6234,7 @@ func (l *Libvirt) StoragePoolDelete(Pool StoragePool, Flags StoragePoolDeleteFla
 	}
 
 
-	_, err = l.request(81, constants.Program, &buf)
+	_, err = l.request(81, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6244,7 +6244,7 @@ func (l *Libvirt) StoragePoolDelete(Pool StoragePool, Flags StoragePoolDeleteFla
 
 // StoragePoolUndefine is the go wrapper for REMOTE_PROC_STORAGE_POOL_UNDEFINE.
 func (l *Libvirt) StoragePoolUndefine(Pool StoragePool) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolUndefineArgs {
 		Pool: Pool,
@@ -6256,7 +6256,7 @@ func (l *Libvirt) StoragePoolUndefine(Pool StoragePool) (err error) {
 	}
 
 
-	_, err = l.request(82, constants.Program, &buf)
+	_, err = l.request(82, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6266,7 +6266,7 @@ func (l *Libvirt) StoragePoolUndefine(Pool StoragePool) (err error) {
 
 // StoragePoolRefresh is the go wrapper for REMOTE_PROC_STORAGE_POOL_REFRESH.
 func (l *Libvirt) StoragePoolRefresh(Pool StoragePool, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolRefreshArgs {
 		Pool: Pool,
@@ -6279,7 +6279,7 @@ func (l *Libvirt) StoragePoolRefresh(Pool StoragePool, Flags uint32) (err error)
 	}
 
 
-	_, err = l.request(83, constants.Program, &buf)
+	_, err = l.request(83, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6289,7 +6289,7 @@ func (l *Libvirt) StoragePoolRefresh(Pool StoragePool, Flags uint32) (err error)
 
 // StoragePoolLookupByName is the go wrapper for REMOTE_PROC_STORAGE_POOL_LOOKUP_BY_NAME.
 func (l *Libvirt) StoragePoolLookupByName(Name string) (rPool StoragePool, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolLookupByNameArgs {
 		Name: Name,
@@ -6301,7 +6301,7 @@ func (l *Libvirt) StoragePoolLookupByName(Name string) (rPool StoragePool, err e
 	}
 
 	var r response
-	r, err = l.request(84, constants.Program, &buf)
+	r, err = l.request(84, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6320,7 +6320,7 @@ func (l *Libvirt) StoragePoolLookupByName(Name string) (rPool StoragePool, err e
 
 // StoragePoolLookupByUUID is the go wrapper for REMOTE_PROC_STORAGE_POOL_LOOKUP_BY_UUID.
 func (l *Libvirt) StoragePoolLookupByUUID(UUID UUID) (rPool StoragePool, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolLookupByUUIDArgs {
 		UUID: UUID,
@@ -6332,7 +6332,7 @@ func (l *Libvirt) StoragePoolLookupByUUID(UUID UUID) (rPool StoragePool, err err
 	}
 
 	var r response
-	r, err = l.request(85, constants.Program, &buf)
+	r, err = l.request(85, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6351,7 +6351,7 @@ func (l *Libvirt) StoragePoolLookupByUUID(UUID UUID) (rPool StoragePool, err err
 
 // StoragePoolLookupByVolume is the go wrapper for REMOTE_PROC_STORAGE_POOL_LOOKUP_BY_VOLUME.
 func (l *Libvirt) StoragePoolLookupByVolume(Vol StorageVol) (rPool StoragePool, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolLookupByVolumeArgs {
 		Vol: Vol,
@@ -6363,7 +6363,7 @@ func (l *Libvirt) StoragePoolLookupByVolume(Vol StorageVol) (rPool StoragePool,
 	}
 
 	var r response
-	r, err = l.request(86, constants.Program, &buf)
+	r, err = l.request(86, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6382,7 +6382,7 @@ func (l *Libvirt) StoragePoolLookupByVolume(Vol StorageVol) (rPool StoragePool,
 
 // StoragePoolGetInfo is the go wrapper for REMOTE_PROC_STORAGE_POOL_GET_INFO.
 func (l *Libvirt) StoragePoolGetInfo(Pool StoragePool) (rState uint8, rCapacity uint64, rAllocation uint64, rAvailable uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolGetInfoArgs {
 		Pool: Pool,
@@ -6394,7 +6394,7 @@ func (l *Libvirt) StoragePoolGetInfo(Pool StoragePool) (rState uint8, rCapacity
 	}
 
 	var r response
-	r, err = l.request(87, constants.Program, &buf)
+	r, err = l.request(87, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6428,7 +6428,7 @@ func (l *Libvirt) StoragePoolGetInfo(Pool StoragePool) (rState uint8, rCapacity
 
 // StoragePoolGetXMLDesc is the go wrapper for REMOTE_PROC_STORAGE_POOL_GET_XML_DESC.
 func (l *Libvirt) StoragePoolGetXMLDesc(Pool StoragePool, Flags StorageXMLFlags) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolGetXMLDescArgs {
 		Pool: Pool,
@@ -6441,7 +6441,7 @@ func (l *Libvirt) StoragePoolGetXMLDesc(Pool StoragePool, Flags StorageXMLFlags)
 	}
 
 	var r response
-	r, err = l.request(88, constants.Program, &buf)
+	r, err = l.request(88, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6460,7 +6460,7 @@ func (l *Libvirt) StoragePoolGetXMLDesc(Pool StoragePool, Flags StorageXMLFlags)
 
 // StoragePoolGetAutostart is the go wrapper for REMOTE_PROC_STORAGE_POOL_GET_AUTOSTART.
 func (l *Libvirt) StoragePoolGetAutostart(Pool StoragePool) (rAutostart int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolGetAutostartArgs {
 		Pool: Pool,
@@ -6472,7 +6472,7 @@ func (l *Libvirt) StoragePoolGetAutostart(Pool StoragePool) (rAutostart int32, e
 	}
 
 	var r response
-	r, err = l.request(89, constants.Program, &buf)
+	r, err = l.request(89, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6491,7 +6491,7 @@ func (l *Libvirt) StoragePoolGetAutostart(Pool StoragePool) (rAutostart int32, e
 
 // StoragePoolSetAutostart is the go wrapper for REMOTE_PROC_STORAGE_POOL_SET_AUTOSTART.
 func (l *Libvirt) StoragePoolSetAutostart(Pool StoragePool, Autostart int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolSetAutostartArgs {
 		Pool: Pool,
@@ -6504,7 +6504,7 @@ func (l *Libvirt) StoragePoolSetAutostart(Pool StoragePool, Autostart int32) (er
 	}
 
 
-	_, err = l.request(90, constants.Program, &buf)
+	_, err = l.request(90, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6514,7 +6514,7 @@ func (l *Libvirt) StoragePoolSetAutostart(Pool StoragePool, Autostart int32) (er
 
 // StoragePoolNumOfVolumes is the go wrapper for REMOTE_PROC_STORAGE_POOL_NUM_OF_VOLUMES.
 func (l *Libvirt) StoragePoolNumOfVolumes(Pool StoragePool) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolNumOfVolumesArgs {
 		Pool: Pool,
@@ -6526,7 +6526,7 @@ func (l *Libvirt) StoragePoolNumOfVolumes(Pool StoragePool) (rNum int32, err err
 	}
 
 	var r response
-	r, err = l.request(91, constants.Program, &buf)
+	r, err = l.request(91, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6545,7 +6545,7 @@ func (l *Libvirt) StoragePoolNumOfVolumes(Pool StoragePool) (rNum int32, err err
 
 // StoragePoolListVolumes is the go wrapper for REMOTE_PROC_STORAGE_POOL_LIST_VOLUMES.
 func (l *Libvirt) StoragePoolListVolumes(Pool StoragePool, Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolListVolumesArgs {
 		Pool: Pool,
@@ -6558,7 +6558,7 @@ func (l *Libvirt) StoragePoolListVolumes(Pool StoragePool, Maxnames int32) (rNam
 	}
 
 	var r response
-	r, err = l.request(92, constants.Program, &buf)
+	r, err = l.request(92, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6577,7 +6577,7 @@ func (l *Libvirt) StoragePoolListVolumes(Pool StoragePool, Maxnames int32) (rNam
 
 // StorageVolCreateXML is the go wrapper for REMOTE_PROC_STORAGE_VOL_CREATE_XML.
 func (l *Libvirt) StorageVolCreateXML(Pool StoragePool, XML string, Flags StorageVolCreateFlags) (rVol StorageVol, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolCreateXMLArgs {
 		Pool: Pool,
@@ -6591,7 +6591,7 @@ func (l *Libvirt) StorageVolCreateXML(Pool StoragePool, XML string, Flags Storag
 	}
 
 	var r response
-	r, err = l.request(93, constants.Program, &buf)
+	r, err = l.request(93, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6610,7 +6610,7 @@ func (l *Libvirt) StorageVolCreateXML(Pool StoragePool, XML string, Flags Storag
 
 // StorageVolDelete is the go wrapper for REMOTE_PROC_STORAGE_VOL_DELETE.
 func (l *Libvirt) StorageVolDelete(Vol StorageVol, Flags StorageVolDeleteFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolDeleteArgs {
 		Vol: Vol,
@@ -6623,7 +6623,7 @@ func (l *Libvirt) StorageVolDelete(Vol StorageVol, Flags StorageVolDeleteFlags)
 	}
 
 
-	_, err = l.request(94, constants.Program, &buf)
+	_, err = l.request(94, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6633,7 +6633,7 @@ func (l *Libvirt) StorageVolDelete(Vol StorageVol, Flags StorageVolDeleteFlags)
 
 // StorageVolLookupByName is the go wrapper for REMOTE_PROC_STORAGE_VOL_LOOKUP_BY_NAME.
 func (l *Libvirt) StorageVolLookupByName(Pool StoragePool, Name string) (rVol StorageVol, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolLookupByNameArgs {
 		Pool: Pool,
@@ -6646,7 +6646,7 @@ func (l *Libvirt) StorageVolLookupByName(Pool StoragePool, Name string) (rVol St
 	}
 
 	var r response
-	r, err = l.request(95, constants.Program, &buf)
+	r, err = l.request(95, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6665,7 +6665,7 @@ func (l *Libvirt) StorageVolLookupByName(Pool StoragePool, Name string) (rVol St
 
 // StorageVolLookupByKey is the go wrapper for REMOTE_PROC_STORAGE_VOL_LOOKUP_BY_KEY.
 func (l *Libvirt) StorageVolLookupByKey(Key string) (rVol StorageVol, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolLookupByKeyArgs {
 		Key: Key,
@@ -6677,7 +6677,7 @@ func (l *Libvirt) StorageVolLookupByKey(Key string) (rVol StorageVol, err error)
 	}
 
 	var r response
-	r, err = l.request(96, constants.Program, &buf)
+	r, err = l.request(96, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6696,7 +6696,7 @@ func (l *Libvirt) StorageVolLookupByKey(Key string) (rVol StorageVol, err error)
 
 // StorageVolLookupByPath is the go wrapper for REMOTE_PROC_STORAGE_VOL_LOOKUP_BY_PATH.
 func (l *Libvirt) StorageVolLookupByPath(Path string) (rVol StorageVol, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolLookupByPathArgs {
 		Path: Path,
@@ -6708,7 +6708,7 @@ func (l *Libvirt) StorageVolLookupByPath(Path string) (rVol StorageVol, err erro
 	}
 
 	var r response
-	r, err = l.request(97, constants.Program, &buf)
+	r, err = l.request(97, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6727,7 +6727,7 @@ func (l *Libvirt) StorageVolLookupByPath(Path string) (rVol StorageVol, err erro
 
 // StorageVolGetInfo is the go wrapper for REMOTE_PROC_STORAGE_VOL_GET_INFO.
 func (l *Libvirt) StorageVolGetInfo(Vol StorageVol) (rType int8, rCapacity uint64, rAllocation uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolGetInfoArgs {
 		Vol: Vol,
@@ -6739,7 +6739,7 @@ func (l *Libvirt) StorageVolGetInfo(Vol StorageVol) (rType int8, rCapacity uint6
 	}
 
 	var r response
-	r, err = l.request(98, constants.Program, &buf)
+	r, err = l.request(98, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6768,7 +6768,7 @@ func (l *Libvirt) StorageVolGetInfo(Vol StorageVol) (rType int8, rCapacity uint6
 
 // StorageVolGetXMLDesc is the go wrapper for REMOTE_PROC_STORAGE_VOL_GET_XML_DESC.
 func (l *Libvirt) StorageVolGetXMLDesc(Vol StorageVol, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolGetXMLDescArgs {
 		Vol: Vol,
@@ -6781,7 +6781,7 @@ func (l *Libvirt) StorageVolGetXMLDesc(Vol StorageVol, Flags uint32) (rXML strin
 	}
 
 	var r response
-	r, err = l.request(99, constants.Program, &buf)
+	r, err = l.request(99, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6800,7 +6800,7 @@ func (l *Libvirt) StorageVolGetXMLDesc(Vol StorageVol, Flags uint32) (rXML strin
 
 // StorageVolGetPath is the go wrapper for REMOTE_PROC_STORAGE_VOL_GET_PATH.
 func (l *Libvirt) StorageVolGetPath(Vol StorageVol) (rName string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolGetPathArgs {
 		Vol: Vol,
@@ -6812,7 +6812,7 @@ func (l *Libvirt) StorageVolGetPath(Vol StorageVol) (rName string, err error) {
 	}
 
 	var r response
-	r, err = l.request(100, constants.Program, &buf)
+	r, err = l.request(100, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6831,7 +6831,7 @@ func (l *Libvirt) StorageVolGetPath(Vol StorageVol) (rName string, err error) {
 
 // NodeGetCellsFreeMemory is the go wrapper for REMOTE_PROC_NODE_GET_CELLS_FREE_MEMORY.
 func (l *Libvirt) NodeGetCellsFreeMemory(StartCell int32, Maxcells int32) (rCells []uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeGetCellsFreeMemoryArgs {
 		StartCell: StartCell,
@@ -6844,7 +6844,7 @@ func (l *Libvirt) NodeGetCellsFreeMemory(StartCell int32, Maxcells int32) (rCell
 	}
 
 	var r response
-	r, err = l.request(101, constants.Program, &buf)
+	r, err = l.request(101, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6863,10 +6863,10 @@ func (l *Libvirt) NodeGetCellsFreeMemory(StartCell int32, Maxcells int32) (rCell
 
 // NodeGetFreeMemory is the go wrapper for REMOTE_PROC_NODE_GET_FREE_MEMORY.
 func (l *Libvirt) NodeGetFreeMemory() (rFreeMem uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(102, constants.Program, &buf)
+	r, err = l.request(102, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6885,7 +6885,7 @@ func (l *Libvirt) NodeGetFreeMemory() (rFreeMem uint64, err error) {
 
 // DomainBlockPeek is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_PEEK.
 func (l *Libvirt) DomainBlockPeek(Dom Domain, Path string, Offset uint64, Size uint32, Flags uint32) (rBuffer []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockPeekArgs {
 		Dom: Dom,
@@ -6901,7 +6901,7 @@ func (l *Libvirt) DomainBlockPeek(Dom Domain, Path string, Offset uint64, Size u
 	}
 
 	var r response
-	r, err = l.request(103, constants.Program, &buf)
+	r, err = l.request(103, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6920,7 +6920,7 @@ func (l *Libvirt) DomainBlockPeek(Dom Domain, Path string, Offset uint64, Size u
 
 // DomainMemoryPeek is the go wrapper for REMOTE_PROC_DOMAIN_MEMORY_PEEK.
 func (l *Libvirt) DomainMemoryPeek(Dom Domain, Offset uint64, Size uint32, Flags DomainMemoryFlags) (rBuffer []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMemoryPeekArgs {
 		Dom: Dom,
@@ -6935,7 +6935,7 @@ func (l *Libvirt) DomainMemoryPeek(Dom Domain, Offset uint64, Size uint32, Flags
 	}
 
 	var r response
-	r, err = l.request(104, constants.Program, &buf)
+	r, err = l.request(104, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6954,10 +6954,10 @@ func (l *Libvirt) DomainMemoryPeek(Dom Domain, Offset uint64, Size uint32, Flags
 
 // ConnectDomainEventRegister is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_EVENT_REGISTER.
 func (l *Libvirt) ConnectDomainEventRegister() (rCbRegistered int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(105, constants.Program, &buf)
+	r, err = l.request(105, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6976,10 +6976,10 @@ func (l *Libvirt) ConnectDomainEventRegister() (rCbRegistered int32, err error)
 
 // ConnectDomainEventDeregister is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_EVENT_DEREGISTER.
 func (l *Libvirt) ConnectDomainEventDeregister() (rCbRegistered int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(106, constants.Program, &buf)
+	r, err = l.request(106, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -6998,10 +6998,10 @@ func (l *Libvirt) ConnectDomainEventDeregister() (rCbRegistered int32, err error
 
 // DomainEventLifecycle is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_LIFECYCLE.
 func (l *Libvirt) DomainEventLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(107, constants.Program, &buf)
+	_, err = l.request(107, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7011,7 +7011,7 @@ func (l *Libvirt) DomainEventLifecycle() (err error) {
 
 // DomainMigratePrepare2 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE2.
 func (l *Libvirt) DomainMigratePrepare2(UriIn OptString, Flags uint64, Dname OptString, Resource uint64, DomXML string) (rCookie []byte, rUriOut OptString, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepare2Args {
 		UriIn: UriIn,
@@ -7027,7 +7027,7 @@ func (l *Libvirt) DomainMigratePrepare2(UriIn OptString, Flags uint64, Dname Opt
 	}
 
 	var r response
-	r, err = l.request(108, constants.Program, &buf)
+	r, err = l.request(108, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7051,7 +7051,7 @@ func (l *Libvirt) DomainMigratePrepare2(UriIn OptString, Flags uint64, Dname Opt
 
 // DomainMigrateFinish2 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_FINISH2.
 func (l *Libvirt) DomainMigrateFinish2(Dname string, Cookie []byte, Uri string, Flags uint64, Retcode int32) (rDdom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateFinish2Args {
 		Dname: Dname,
@@ -7067,7 +7067,7 @@ func (l *Libvirt) DomainMigrateFinish2(Dname string, Cookie []byte, Uri string,
 	}
 
 	var r response
-	r, err = l.request(109, constants.Program, &buf)
+	r, err = l.request(109, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7086,10 +7086,10 @@ func (l *Libvirt) DomainMigrateFinish2(Dname string, Cookie []byte, Uri string,
 
 // ConnectGetUri is the go wrapper for REMOTE_PROC_CONNECT_GET_URI.
 func (l *Libvirt) ConnectGetUri() (rUri string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(110, constants.Program, &buf)
+	r, err = l.request(110, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7108,7 +7108,7 @@ func (l *Libvirt) ConnectGetUri() (rUri string, err error) {
 
 // NodeNumOfDevices is the go wrapper for REMOTE_PROC_NODE_NUM_OF_DEVICES.
 func (l *Libvirt) NodeNumOfDevices(Cap OptString, Flags uint32) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeNumOfDevicesArgs {
 		Cap: Cap,
@@ -7121,7 +7121,7 @@ func (l *Libvirt) NodeNumOfDevices(Cap OptString, Flags uint32) (rNum int32, err
 	}
 
 	var r response
-	r, err = l.request(111, constants.Program, &buf)
+	r, err = l.request(111, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7140,7 +7140,7 @@ func (l *Libvirt) NodeNumOfDevices(Cap OptString, Flags uint32) (rNum int32, err
 
 // NodeListDevices is the go wrapper for REMOTE_PROC_NODE_LIST_DEVICES.
 func (l *Libvirt) NodeListDevices(Cap OptString, Maxnames int32, Flags uint32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeListDevicesArgs {
 		Cap: Cap,
@@ -7154,7 +7154,7 @@ func (l *Libvirt) NodeListDevices(Cap OptString, Maxnames int32, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(112, constants.Program, &buf)
+	r, err = l.request(112, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7173,7 +7173,7 @@ func (l *Libvirt) NodeListDevices(Cap OptString, Maxnames int32, Flags uint32) (
 
 // NodeDeviceLookupByName is the go wrapper for REMOTE_PROC_NODE_DEVICE_LOOKUP_BY_NAME.
 func (l *Libvirt) NodeDeviceLookupByName(Name string) (rDev NodeDevice, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceLookupByNameArgs {
 		Name: Name,
@@ -7185,7 +7185,7 @@ func (l *Libvirt) NodeDeviceLookupByName(Name string) (rDev NodeDevice, err erro
 	}
 
 	var r response
-	r, err = l.request(113, constants.Program, &buf)
+	r, err = l.request(113, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7204,7 +7204,7 @@ func (l *Libvirt) NodeDeviceLookupByName(Name string) (rDev NodeDevice, err erro
 
 // NodeDeviceGetXMLDesc is the go wrapper for REMOTE_PROC_NODE_DEVICE_GET_XML_DESC.
 func (l *Libvirt) NodeDeviceGetXMLDesc(Name string, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceGetXMLDescArgs {
 		Name: Name,
@@ -7217,7 +7217,7 @@ func (l *Libvirt) NodeDeviceGetXMLDesc(Name string, Flags uint32) (rXML string,
 	}
 
 	var r response
-	r, err = l.request(114, constants.Program, &buf)
+	r, err = l.request(114, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7236,7 +7236,7 @@ func (l *Libvirt) NodeDeviceGetXMLDesc(Name string, Flags uint32) (rXML string,
 
 // NodeDeviceGetParent is the go wrapper for REMOTE_PROC_NODE_DEVICE_GET_PARENT.
 func (l *Libvirt) NodeDeviceGetParent(Name string) (rParent OptString, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceGetParentArgs {
 		Name: Name,
@@ -7248,7 +7248,7 @@ func (l *Libvirt) NodeDeviceGetParent(Name string) (rParent OptString, err error
 	}
 
 	var r response
-	r, err = l.request(115, constants.Program, &buf)
+	r, err = l.request(115, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7267,7 +7267,7 @@ func (l *Libvirt) NodeDeviceGetParent(Name string) (rParent OptString, err error
 
 // NodeDeviceNumOfCaps is the go wrapper for REMOTE_PROC_NODE_DEVICE_NUM_OF_CAPS.
 func (l *Libvirt) NodeDeviceNumOfCaps(Name string) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceNumOfCapsArgs {
 		Name: Name,
@@ -7279,7 +7279,7 @@ func (l *Libvirt) NodeDeviceNumOfCaps(Name string) (rNum int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(116, constants.Program, &buf)
+	r, err = l.request(116, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7298,7 +7298,7 @@ func (l *Libvirt) NodeDeviceNumOfCaps(Name string) (rNum int32, err error) {
 
 // NodeDeviceListCaps is the go wrapper for REMOTE_PROC_NODE_DEVICE_LIST_CAPS.
 func (l *Libvirt) NodeDeviceListCaps(Name string, Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceListCapsArgs {
 		Name: Name,
@@ -7311,7 +7311,7 @@ func (l *Libvirt) NodeDeviceListCaps(Name string, Maxnames int32) (rNames []stri
 	}
 
 	var r response
-	r, err = l.request(117, constants.Program, &buf)
+	r, err = l.request(117, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7330,7 +7330,7 @@ func (l *Libvirt) NodeDeviceListCaps(Name string, Maxnames int32) (rNames []stri
 
 // NodeDeviceDettach is the go wrapper for REMOTE_PROC_NODE_DEVICE_DETTACH.
 func (l *Libvirt) NodeDeviceDettach(Name string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceDettachArgs {
 		Name: Name,
@@ -7342,7 +7342,7 @@ func (l *Libvirt) NodeDeviceDettach(Name string) (err error) {
 	}
 
 
-	_, err = l.request(118, constants.Program, &buf)
+	_, err = l.request(118, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7352,7 +7352,7 @@ func (l *Libvirt) NodeDeviceDettach(Name string) (err error) {
 
 // NodeDeviceReAttach is the go wrapper for REMOTE_PROC_NODE_DEVICE_RE_ATTACH.
 func (l *Libvirt) NodeDeviceReAttach(Name string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceReAttachArgs {
 		Name: Name,
@@ -7364,7 +7364,7 @@ func (l *Libvirt) NodeDeviceReAttach(Name string) (err error) {
 	}
 
 
-	_, err = l.request(119, constants.Program, &buf)
+	_, err = l.request(119, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7374,7 +7374,7 @@ func (l *Libvirt) NodeDeviceReAttach(Name string) (err error) {
 
 // NodeDeviceReset is the go wrapper for REMOTE_PROC_NODE_DEVICE_RESET.
 func (l *Libvirt) NodeDeviceReset(Name string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceResetArgs {
 		Name: Name,
@@ -7386,7 +7386,7 @@ func (l *Libvirt) NodeDeviceReset(Name string) (err error) {
 	}
 
 
-	_, err = l.request(120, constants.Program, &buf)
+	_, err = l.request(120, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7396,7 +7396,7 @@ func (l *Libvirt) NodeDeviceReset(Name string) (err error) {
 
 // DomainGetSecurityLabel is the go wrapper for REMOTE_PROC_DOMAIN_GET_SECURITY_LABEL.
 func (l *Libvirt) DomainGetSecurityLabel(Dom Domain) (rLabel []int8, rEnforcing int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetSecurityLabelArgs {
 		Dom: Dom,
@@ -7408,7 +7408,7 @@ func (l *Libvirt) DomainGetSecurityLabel(Dom Domain) (rLabel []int8, rEnforcing
 	}
 
 	var r response
-	r, err = l.request(121, constants.Program, &buf)
+	r, err = l.request(121, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7432,10 +7432,10 @@ func (l *Libvirt) DomainGetSecurityLabel(Dom Domain) (rLabel []int8, rEnforcing
 
 // NodeGetSecurityModel is the go wrapper for REMOTE_PROC_NODE_GET_SECURITY_MODEL.
 func (l *Libvirt) NodeGetSecurityModel() (rModel []int8, rDoi []int8, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(122, constants.Program, &buf)
+	r, err = l.request(122, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7459,7 +7459,7 @@ func (l *Libvirt) NodeGetSecurityModel() (rModel []int8, rDoi []int8, err error)
 
 // NodeDeviceCreateXML is the go wrapper for REMOTE_PROC_NODE_DEVICE_CREATE_XML.
 func (l *Libvirt) NodeDeviceCreateXML(XMLDesc string, Flags uint32) (rDev NodeDevice, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceCreateXMLArgs {
 		XMLDesc: XMLDesc,
@@ -7472,7 +7472,7 @@ func (l *Libvirt) NodeDeviceCreateXML(XMLDesc string, Flags uint32) (rDev NodeDe
 	}
 
 	var r response
-	r, err = l.request(123, constants.Program, &buf)
+	r, err = l.request(123, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7491,7 +7491,7 @@ func (l *Libvirt) NodeDeviceCreateXML(XMLDesc string, Flags uint32) (rDev NodeDe
 
 // NodeDeviceDestroy is the go wrapper for REMOTE_PROC_NODE_DEVICE_DESTROY.
 func (l *Libvirt) NodeDeviceDestroy(Name string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceDestroyArgs {
 		Name: Name,
@@ -7503,7 +7503,7 @@ func (l *Libvirt) NodeDeviceDestroy(Name string) (err error) {
 	}
 
 
-	_, err = l.request(124, constants.Program, &buf)
+	_, err = l.request(124, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7513,7 +7513,7 @@ func (l *Libvirt) NodeDeviceDestroy(Name string) (err error) {
 
 // StorageVolCreateXMLFrom is the go wrapper for REMOTE_PROC_STORAGE_VOL_CREATE_XML_FROM.
 func (l *Libvirt) StorageVolCreateXMLFrom(Pool StoragePool, XML string, Clonevol StorageVol, Flags StorageVolCreateFlags) (rVol StorageVol, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolCreateXMLFromArgs {
 		Pool: Pool,
@@ -7528,7 +7528,7 @@ func (l *Libvirt) StorageVolCreateXMLFrom(Pool StoragePool, XML string, Clonevol
 	}
 
 	var r response
-	r, err = l.request(125, constants.Program, &buf)
+	r, err = l.request(125, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7547,10 +7547,10 @@ func (l *Libvirt) StorageVolCreateXMLFrom(Pool StoragePool, XML string, Clonevol
 
 // ConnectNumOfInterfaces is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_INTERFACES.
 func (l *Libvirt) ConnectNumOfInterfaces() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(126, constants.Program, &buf)
+	r, err = l.request(126, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7569,7 +7569,7 @@ func (l *Libvirt) ConnectNumOfInterfaces() (rNum int32, err error) {
 
 // ConnectListInterfaces is the go wrapper for REMOTE_PROC_CONNECT_LIST_INTERFACES.
 func (l *Libvirt) ConnectListInterfaces(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListInterfacesArgs {
 		Maxnames: Maxnames,
@@ -7581,7 +7581,7 @@ func (l *Libvirt) ConnectListInterfaces(Maxnames int32) (rNames []string, err er
 	}
 
 	var r response
-	r, err = l.request(127, constants.Program, &buf)
+	r, err = l.request(127, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7600,7 +7600,7 @@ func (l *Libvirt) ConnectListInterfaces(Maxnames int32) (rNames []string, err er
 
 // InterfaceLookupByName is the go wrapper for REMOTE_PROC_INTERFACE_LOOKUP_BY_NAME.
 func (l *Libvirt) InterfaceLookupByName(Name string) (rIface Interface, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceLookupByNameArgs {
 		Name: Name,
@@ -7612,7 +7612,7 @@ func (l *Libvirt) InterfaceLookupByName(Name string) (rIface Interface, err erro
 	}
 
 	var r response
-	r, err = l.request(128, constants.Program, &buf)
+	r, err = l.request(128, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7631,7 +7631,7 @@ func (l *Libvirt) InterfaceLookupByName(Name string) (rIface Interface, err erro
 
 // InterfaceLookupByMacString is the go wrapper for REMOTE_PROC_INTERFACE_LOOKUP_BY_MAC_STRING.
 func (l *Libvirt) InterfaceLookupByMacString(Mac string) (rIface Interface, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceLookupByMacStringArgs {
 		Mac: Mac,
@@ -7643,7 +7643,7 @@ func (l *Libvirt) InterfaceLookupByMacString(Mac string) (rIface Interface, err
 	}
 
 	var r response
-	r, err = l.request(129, constants.Program, &buf)
+	r, err = l.request(129, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7662,7 +7662,7 @@ func (l *Libvirt) InterfaceLookupByMacString(Mac string) (rIface Interface, err
 
 // InterfaceGetXMLDesc is the go wrapper for REMOTE_PROC_INTERFACE_GET_XML_DESC.
 func (l *Libvirt) InterfaceGetXMLDesc(Iface Interface, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceGetXMLDescArgs {
 		Iface: Iface,
@@ -7675,7 +7675,7 @@ func (l *Libvirt) InterfaceGetXMLDesc(Iface Interface, Flags uint32) (rXML strin
 	}
 
 	var r response
-	r, err = l.request(130, constants.Program, &buf)
+	r, err = l.request(130, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7694,7 +7694,7 @@ func (l *Libvirt) InterfaceGetXMLDesc(Iface Interface, Flags uint32) (rXML strin
 
 // InterfaceDefineXML is the go wrapper for REMOTE_PROC_INTERFACE_DEFINE_XML.
 func (l *Libvirt) InterfaceDefineXML(XML string, Flags uint32) (rIface Interface, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceDefineXMLArgs {
 		XML: XML,
@@ -7707,7 +7707,7 @@ func (l *Libvirt) InterfaceDefineXML(XML string, Flags uint32) (rIface Interface
 	}
 
 	var r response
-	r, err = l.request(131, constants.Program, &buf)
+	r, err = l.request(131, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7726,7 +7726,7 @@ func (l *Libvirt) InterfaceDefineXML(XML string, Flags uint32) (rIface Interface
 
 // InterfaceUndefine is the go wrapper for REMOTE_PROC_INTERFACE_UNDEFINE.
 func (l *Libvirt) InterfaceUndefine(Iface Interface) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceUndefineArgs {
 		Iface: Iface,
@@ -7738,7 +7738,7 @@ func (l *Libvirt) InterfaceUndefine(Iface Interface) (err error) {
 	}
 
 
-	_, err = l.request(132, constants.Program, &buf)
+	_, err = l.request(132, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7748,7 +7748,7 @@ func (l *Libvirt) InterfaceUndefine(Iface Interface) (err error) {
 
 // InterfaceCreate is the go wrapper for REMOTE_PROC_INTERFACE_CREATE.
 func (l *Libvirt) InterfaceCreate(Iface Interface, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceCreateArgs {
 		Iface: Iface,
@@ -7761,7 +7761,7 @@ func (l *Libvirt) InterfaceCreate(Iface Interface, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(133, constants.Program, &buf)
+	_, err = l.request(133, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7771,7 +7771,7 @@ func (l *Libvirt) InterfaceCreate(Iface Interface, Flags uint32) (err error) {
 
 // InterfaceDestroy is the go wrapper for REMOTE_PROC_INTERFACE_DESTROY.
 func (l *Libvirt) InterfaceDestroy(Iface Interface, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceDestroyArgs {
 		Iface: Iface,
@@ -7784,7 +7784,7 @@ func (l *Libvirt) InterfaceDestroy(Iface Interface, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(134, constants.Program, &buf)
+	_, err = l.request(134, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7794,7 +7794,7 @@ func (l *Libvirt) InterfaceDestroy(Iface Interface, Flags uint32) (err error) {
 
 // ConnectDomainXMLFromNative is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_XML_FROM_NATIVE.
 func (l *Libvirt) ConnectDomainXMLFromNative(NativeFormat string, NativeConfig string, Flags uint32) (rDomainXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectDomainXMLFromNativeArgs {
 		NativeFormat: NativeFormat,
@@ -7808,7 +7808,7 @@ func (l *Libvirt) ConnectDomainXMLFromNative(NativeFormat string, NativeConfig s
 	}
 
 	var r response
-	r, err = l.request(135, constants.Program, &buf)
+	r, err = l.request(135, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7827,7 +7827,7 @@ func (l *Libvirt) ConnectDomainXMLFromNative(NativeFormat string, NativeConfig s
 
 // ConnectDomainXMLToNative is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_XML_TO_NATIVE.
 func (l *Libvirt) ConnectDomainXMLToNative(NativeFormat string, DomainXML string, Flags uint32) (rNativeConfig string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectDomainXMLToNativeArgs {
 		NativeFormat: NativeFormat,
@@ -7841,7 +7841,7 @@ func (l *Libvirt) ConnectDomainXMLToNative(NativeFormat string, DomainXML string
 	}
 
 	var r response
-	r, err = l.request(136, constants.Program, &buf)
+	r, err = l.request(136, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7860,10 +7860,10 @@ func (l *Libvirt) ConnectDomainXMLToNative(NativeFormat string, DomainXML string
 
 // ConnectNumOfDefinedInterfaces is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_DEFINED_INTERFACES.
 func (l *Libvirt) ConnectNumOfDefinedInterfaces() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(137, constants.Program, &buf)
+	r, err = l.request(137, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7882,7 +7882,7 @@ func (l *Libvirt) ConnectNumOfDefinedInterfaces() (rNum int32, err error) {
 
 // ConnectListDefinedInterfaces is the go wrapper for REMOTE_PROC_CONNECT_LIST_DEFINED_INTERFACES.
 func (l *Libvirt) ConnectListDefinedInterfaces(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListDefinedInterfacesArgs {
 		Maxnames: Maxnames,
@@ -7894,7 +7894,7 @@ func (l *Libvirt) ConnectListDefinedInterfaces(Maxnames int32) (rNames []string,
 	}
 
 	var r response
-	r, err = l.request(138, constants.Program, &buf)
+	r, err = l.request(138, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7913,10 +7913,10 @@ func (l *Libvirt) ConnectListDefinedInterfaces(Maxnames int32) (rNames []string,
 
 // ConnectNumOfSecrets is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_SECRETS.
 func (l *Libvirt) ConnectNumOfSecrets() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(139, constants.Program, &buf)
+	r, err = l.request(139, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7935,7 +7935,7 @@ func (l *Libvirt) ConnectNumOfSecrets() (rNum int32, err error) {
 
 // ConnectListSecrets is the go wrapper for REMOTE_PROC_CONNECT_LIST_SECRETS.
 func (l *Libvirt) ConnectListSecrets(Maxuuids int32) (rUuids []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListSecretsArgs {
 		Maxuuids: Maxuuids,
@@ -7947,7 +7947,7 @@ func (l *Libvirt) ConnectListSecrets(Maxuuids int32) (rUuids []string, err error
 	}
 
 	var r response
-	r, err = l.request(140, constants.Program, &buf)
+	r, err = l.request(140, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7966,7 +7966,7 @@ func (l *Libvirt) ConnectListSecrets(Maxuuids int32) (rUuids []string, err error
 
 // SecretLookupByUUID is the go wrapper for REMOTE_PROC_SECRET_LOOKUP_BY_UUID.
 func (l *Libvirt) SecretLookupByUUID(UUID UUID) (rOptSecret Secret, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretLookupByUUIDArgs {
 		UUID: UUID,
@@ -7978,7 +7978,7 @@ func (l *Libvirt) SecretLookupByUUID(UUID UUID) (rOptSecret Secret, err error) {
 	}
 
 	var r response
-	r, err = l.request(141, constants.Program, &buf)
+	r, err = l.request(141, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -7997,7 +7997,7 @@ func (l *Libvirt) SecretLookupByUUID(UUID UUID) (rOptSecret Secret, err error) {
 
 // SecretDefineXML is the go wrapper for REMOTE_PROC_SECRET_DEFINE_XML.
 func (l *Libvirt) SecretDefineXML(XML string, Flags uint32) (rOptSecret Secret, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretDefineXMLArgs {
 		XML: XML,
@@ -8010,7 +8010,7 @@ func (l *Libvirt) SecretDefineXML(XML string, Flags uint32) (rOptSecret Secret,
 	}
 
 	var r response
-	r, err = l.request(142, constants.Program, &buf)
+	r, err = l.request(142, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8029,7 +8029,7 @@ func (l *Libvirt) SecretDefineXML(XML string, Flags uint32) (rOptSecret Secret,
 
 // SecretGetXMLDesc is the go wrapper for REMOTE_PROC_SECRET_GET_XML_DESC.
 func (l *Libvirt) SecretGetXMLDesc(OptSecret Secret, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretGetXMLDescArgs {
 		OptSecret: OptSecret,
@@ -8042,7 +8042,7 @@ func (l *Libvirt) SecretGetXMLDesc(OptSecret Secret, Flags uint32) (rXML string,
 	}
 
 	var r response
-	r, err = l.request(143, constants.Program, &buf)
+	r, err = l.request(143, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8061,7 +8061,7 @@ func (l *Libvirt) SecretGetXMLDesc(OptSecret Secret, Flags uint32) (rXML string,
 
 // SecretSetValue is the go wrapper for REMOTE_PROC_SECRET_SET_VALUE.
 func (l *Libvirt) SecretSetValue(OptSecret Secret, Value []byte, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretSetValueArgs {
 		OptSecret: OptSecret,
@@ -8075,7 +8075,7 @@ func (l *Libvirt) SecretSetValue(OptSecret Secret, Value []byte, Flags uint32) (
 	}
 
 
-	_, err = l.request(144, constants.Program, &buf)
+	_, err = l.request(144, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8085,7 +8085,7 @@ func (l *Libvirt) SecretSetValue(OptSecret Secret, Value []byte, Flags uint32) (
 
 // SecretGetValue is the go wrapper for REMOTE_PROC_SECRET_GET_VALUE.
 func (l *Libvirt) SecretGetValue(OptSecret Secret, Flags uint32) (rValue []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretGetValueArgs {
 		OptSecret: OptSecret,
@@ -8098,7 +8098,7 @@ func (l *Libvirt) SecretGetValue(OptSecret Secret, Flags uint32) (rValue []byte,
 	}
 
 	var r response
-	r, err = l.request(145, constants.Program, &buf)
+	r, err = l.request(145, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8117,7 +8117,7 @@ func (l *Libvirt) SecretGetValue(OptSecret Secret, Flags uint32) (rValue []byte,
 
 // SecretUndefine is the go wrapper for REMOTE_PROC_SECRET_UNDEFINE.
 func (l *Libvirt) SecretUndefine(OptSecret Secret) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretUndefineArgs {
 		OptSecret: OptSecret,
@@ -8129,7 +8129,7 @@ func (l *Libvirt) SecretUndefine(OptSecret Secret) (err error) {
 	}
 
 
-	_, err = l.request(146, constants.Program, &buf)
+	_, err = l.request(146, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8139,7 +8139,7 @@ func (l *Libvirt) SecretUndefine(OptSecret Secret) (err error) {
 
 // SecretLookupByUsage is the go wrapper for REMOTE_PROC_SECRET_LOOKUP_BY_USAGE.
 func (l *Libvirt) SecretLookupByUsage(UsageType int32, UsageID string) (rOptSecret Secret, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := SecretLookupByUsageArgs {
 		UsageType: UsageType,
@@ -8152,7 +8152,7 @@ func (l *Libvirt) SecretLookupByUsage(UsageType int32, UsageID string) (rOptSecr
 	}
 
 	var r response
-	r, err = l.request(147, constants.Program, &buf)
+	r, err = l.request(147, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8171,7 +8171,7 @@ func (l *Libvirt) SecretLookupByUsage(UsageType int32, UsageID string) (rOptSecr
 
 // DomainMigratePrepareTunnel is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL.
 func (l *Libvirt) DomainMigratePrepareTunnel(Flags uint64, Dname OptString, Resource uint64, DomXML string) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepareTunnelArgs {
 		Flags: Flags,
@@ -8186,7 +8186,7 @@ func (l *Libvirt) DomainMigratePrepareTunnel(Flags uint64, Dname OptString, Reso
 	}
 
 
-	_, err = l.request(148, constants.Program, &buf)
+	_, err = l.request(148, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8196,10 +8196,10 @@ func (l *Libvirt) DomainMigratePrepareTunnel(Flags uint64, Dname OptString, Reso
 
 // ConnectIsSecure is the go wrapper for REMOTE_PROC_CONNECT_IS_SECURE.
 func (l *Libvirt) ConnectIsSecure() (rSecure int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(149, constants.Program, &buf)
+	r, err = l.request(149, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8218,7 +8218,7 @@ func (l *Libvirt) ConnectIsSecure() (rSecure int32, err error) {
 
 // DomainIsActive is the go wrapper for REMOTE_PROC_DOMAIN_IS_ACTIVE.
 func (l *Libvirt) DomainIsActive(Dom Domain) (rActive int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainIsActiveArgs {
 		Dom: Dom,
@@ -8230,7 +8230,7 @@ func (l *Libvirt) DomainIsActive(Dom Domain) (rActive int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(150, constants.Program, &buf)
+	r, err = l.request(150, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8249,7 +8249,7 @@ func (l *Libvirt) DomainIsActive(Dom Domain) (rActive int32, err error) {
 
 // DomainIsPersistent is the go wrapper for REMOTE_PROC_DOMAIN_IS_PERSISTENT.
 func (l *Libvirt) DomainIsPersistent(Dom Domain) (rPersistent int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainIsPersistentArgs {
 		Dom: Dom,
@@ -8261,7 +8261,7 @@ func (l *Libvirt) DomainIsPersistent(Dom Domain) (rPersistent int32, err error)
 	}
 
 	var r response
-	r, err = l.request(151, constants.Program, &buf)
+	r, err = l.request(151, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8280,7 +8280,7 @@ func (l *Libvirt) DomainIsPersistent(Dom Domain) (rPersistent int32, err error)
 
 // NetworkIsActive is the go wrapper for REMOTE_PROC_NETWORK_IS_ACTIVE.
 func (l *Libvirt) NetworkIsActive(Net Network) (rActive int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkIsActiveArgs {
 		Net: Net,
@@ -8292,7 +8292,7 @@ func (l *Libvirt) NetworkIsActive(Net Network) (rActive int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(152, constants.Program, &buf)
+	r, err = l.request(152, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8311,7 +8311,7 @@ func (l *Libvirt) NetworkIsActive(Net Network) (rActive int32, err error) {
 
 // NetworkIsPersistent is the go wrapper for REMOTE_PROC_NETWORK_IS_PERSISTENT.
 func (l *Libvirt) NetworkIsPersistent(Net Network) (rPersistent int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkIsPersistentArgs {
 		Net: Net,
@@ -8323,7 +8323,7 @@ func (l *Libvirt) NetworkIsPersistent(Net Network) (rPersistent int32, err error
 	}
 
 	var r response
-	r, err = l.request(153, constants.Program, &buf)
+	r, err = l.request(153, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8342,7 +8342,7 @@ func (l *Libvirt) NetworkIsPersistent(Net Network) (rPersistent int32, err error
 
 // StoragePoolIsActive is the go wrapper for REMOTE_PROC_STORAGE_POOL_IS_ACTIVE.
 func (l *Libvirt) StoragePoolIsActive(Pool StoragePool) (rActive int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolIsActiveArgs {
 		Pool: Pool,
@@ -8354,7 +8354,7 @@ func (l *Libvirt) StoragePoolIsActive(Pool StoragePool) (rActive int32, err erro
 	}
 
 	var r response
-	r, err = l.request(154, constants.Program, &buf)
+	r, err = l.request(154, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8373,7 +8373,7 @@ func (l *Libvirt) StoragePoolIsActive(Pool StoragePool) (rActive int32, err erro
 
 // StoragePoolIsPersistent is the go wrapper for REMOTE_PROC_STORAGE_POOL_IS_PERSISTENT.
 func (l *Libvirt) StoragePoolIsPersistent(Pool StoragePool) (rPersistent int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolIsPersistentArgs {
 		Pool: Pool,
@@ -8385,7 +8385,7 @@ func (l *Libvirt) StoragePoolIsPersistent(Pool StoragePool) (rPersistent int32,
 	}
 
 	var r response
-	r, err = l.request(155, constants.Program, &buf)
+	r, err = l.request(155, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8404,7 +8404,7 @@ func (l *Libvirt) StoragePoolIsPersistent(Pool StoragePool) (rPersistent int32,
 
 // InterfaceIsActive is the go wrapper for REMOTE_PROC_INTERFACE_IS_ACTIVE.
 func (l *Libvirt) InterfaceIsActive(Iface Interface) (rActive int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceIsActiveArgs {
 		Iface: Iface,
@@ -8416,7 +8416,7 @@ func (l *Libvirt) InterfaceIsActive(Iface Interface) (rActive int32, err error)
 	}
 
 	var r response
-	r, err = l.request(156, constants.Program, &buf)
+	r, err = l.request(156, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8435,10 +8435,10 @@ func (l *Libvirt) InterfaceIsActive(Iface Interface) (rActive int32, err error)
 
 // ConnectGetLibVersion is the go wrapper for REMOTE_PROC_CONNECT_GET_LIB_VERSION.
 func (l *Libvirt) ConnectGetLibVersion() (rLibVer uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(157, constants.Program, &buf)
+	r, err = l.request(157, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8457,7 +8457,7 @@ func (l *Libvirt) ConnectGetLibVersion() (rLibVer uint64, err error) {
 
 // ConnectCompareCPU is the go wrapper for REMOTE_PROC_CONNECT_COMPARE_CPU.
 func (l *Libvirt) ConnectCompareCPU(XML string, Flags ConnectCompareCPUFlags) (rResult int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectCompareCPUArgs {
 		XML: XML,
@@ -8470,7 +8470,7 @@ func (l *Libvirt) ConnectCompareCPU(XML string, Flags ConnectCompareCPUFlags) (r
 	}
 
 	var r response
-	r, err = l.request(158, constants.Program, &buf)
+	r, err = l.request(158, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8489,7 +8489,7 @@ func (l *Libvirt) ConnectCompareCPU(XML string, Flags ConnectCompareCPUFlags) (r
 
 // DomainMemoryStats is the go wrapper for REMOTE_PROC_DOMAIN_MEMORY_STATS.
 func (l *Libvirt) DomainMemoryStats(Dom Domain, MaxStats uint32, Flags uint32) (rStats []DomainMemoryStat, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMemoryStatsArgs {
 		Dom: Dom,
@@ -8503,7 +8503,7 @@ func (l *Libvirt) DomainMemoryStats(Dom Domain, MaxStats uint32, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(159, constants.Program, &buf)
+	r, err = l.request(159, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8522,7 +8522,7 @@ func (l *Libvirt) DomainMemoryStats(Dom Domain, MaxStats uint32, Flags uint32) (
 
 // DomainAttachDeviceFlags is the go wrapper for REMOTE_PROC_DOMAIN_ATTACH_DEVICE_FLAGS.
 func (l *Libvirt) DomainAttachDeviceFlags(Dom Domain, XML string, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainAttachDeviceFlagsArgs {
 		Dom: Dom,
@@ -8536,7 +8536,7 @@ func (l *Libvirt) DomainAttachDeviceFlags(Dom Domain, XML string, Flags uint32)
 	}
 
 
-	_, err = l.request(160, constants.Program, &buf)
+	_, err = l.request(160, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8546,7 +8546,7 @@ func (l *Libvirt) DomainAttachDeviceFlags(Dom Domain, XML string, Flags uint32)
 
 // DomainDetachDeviceFlags is the go wrapper for REMOTE_PROC_DOMAIN_DETACH_DEVICE_FLAGS.
 func (l *Libvirt) DomainDetachDeviceFlags(Dom Domain, XML string, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDetachDeviceFlagsArgs {
 		Dom: Dom,
@@ -8560,7 +8560,7 @@ func (l *Libvirt) DomainDetachDeviceFlags(Dom Domain, XML string, Flags uint32)
 	}
 
 
-	_, err = l.request(161, constants.Program, &buf)
+	_, err = l.request(161, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8570,7 +8570,7 @@ func (l *Libvirt) DomainDetachDeviceFlags(Dom Domain, XML string, Flags uint32)
 
 // ConnectBaselineCPU is the go wrapper for REMOTE_PROC_CONNECT_BASELINE_CPU.
 func (l *Libvirt) ConnectBaselineCPU(XMLCPUs []string, Flags ConnectBaselineCPUFlags) (rCPU string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectBaselineCPUArgs {
 		XMLCPUs: XMLCPUs,
@@ -8583,7 +8583,7 @@ func (l *Libvirt) ConnectBaselineCPU(XMLCPUs []string, Flags ConnectBaselineCPUF
 	}
 
 	var r response
-	r, err = l.request(162, constants.Program, &buf)
+	r, err = l.request(162, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8602,7 +8602,7 @@ func (l *Libvirt) ConnectBaselineCPU(XMLCPUs []string, Flags ConnectBaselineCPUF
 
 // DomainGetJobInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_JOB_INFO.
 func (l *Libvirt) DomainGetJobInfo(Dom Domain) (rType int32, rTimeElapsed uint64, rTimeRemaining uint64, rDataTotal uint64, rDataProcessed uint64, rDataRemaining uint64, rMemTotal uint64, rMemProcessed uint64, rMemRemaining uint64, rFileTotal uint64, rFileProcessed uint64, rFileRemaining uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetJobInfoArgs {
 		Dom: Dom,
@@ -8614,7 +8614,7 @@ func (l *Libvirt) DomainGetJobInfo(Dom Domain) (rType int32, rTimeElapsed uint64
 	}
 
 	var r response
-	r, err = l.request(163, constants.Program, &buf)
+	r, err = l.request(163, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8688,7 +8688,7 @@ func (l *Libvirt) DomainGetJobInfo(Dom Domain) (rType int32, rTimeElapsed uint64
 
 // DomainAbortJob is the go wrapper for REMOTE_PROC_DOMAIN_ABORT_JOB.
 func (l *Libvirt) DomainAbortJob(Dom Domain) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainAbortJobArgs {
 		Dom: Dom,
@@ -8700,7 +8700,7 @@ func (l *Libvirt) DomainAbortJob(Dom Domain) (err error) {
 	}
 
 
-	_, err = l.request(164, constants.Program, &buf)
+	_, err = l.request(164, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8710,7 +8710,7 @@ func (l *Libvirt) DomainAbortJob(Dom Domain) (err error) {
 
 // StorageVolWipe is the go wrapper for REMOTE_PROC_STORAGE_VOL_WIPE.
 func (l *Libvirt) StorageVolWipe(Vol StorageVol, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolWipeArgs {
 		Vol: Vol,
@@ -8723,7 +8723,7 @@ func (l *Libvirt) StorageVolWipe(Vol StorageVol, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(165, constants.Program, &buf)
+	_, err = l.request(165, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8733,7 +8733,7 @@ func (l *Libvirt) StorageVolWipe(Vol StorageVol, Flags uint32) (err error) {
 
 // DomainMigrateSetMaxDowntime is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_SET_MAX_DOWNTIME.
 func (l *Libvirt) DomainMigrateSetMaxDowntime(Dom Domain, Downtime uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateSetMaxDowntimeArgs {
 		Dom: Dom,
@@ -8747,7 +8747,7 @@ func (l *Libvirt) DomainMigrateSetMaxDowntime(Dom Domain, Downtime uint64, Flags
 	}
 
 
-	_, err = l.request(166, constants.Program, &buf)
+	_, err = l.request(166, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8757,7 +8757,7 @@ func (l *Libvirt) DomainMigrateSetMaxDowntime(Dom Domain, Downtime uint64, Flags
 
 // ConnectDomainEventRegisterAny is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_EVENT_REGISTER_ANY.
 func (l *Libvirt) ConnectDomainEventRegisterAny(EventID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectDomainEventRegisterAnyArgs {
 		EventID: EventID,
@@ -8769,7 +8769,7 @@ func (l *Libvirt) ConnectDomainEventRegisterAny(EventID int32) (err error) {
 	}
 
 
-	_, err = l.request(167, constants.Program, &buf)
+	_, err = l.request(167, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8779,7 +8779,7 @@ func (l *Libvirt) ConnectDomainEventRegisterAny(EventID int32) (err error) {
 
 // ConnectDomainEventDeregisterAny is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_EVENT_DEREGISTER_ANY.
 func (l *Libvirt) ConnectDomainEventDeregisterAny(EventID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectDomainEventDeregisterAnyArgs {
 		EventID: EventID,
@@ -8791,7 +8791,7 @@ func (l *Libvirt) ConnectDomainEventDeregisterAny(EventID int32) (err error) {
 	}
 
 
-	_, err = l.request(168, constants.Program, &buf)
+	_, err = l.request(168, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8801,10 +8801,10 @@ func (l *Libvirt) ConnectDomainEventDeregisterAny(EventID int32) (err error) {
 
 // DomainEventReboot is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_REBOOT.
 func (l *Libvirt) DomainEventReboot() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(169, constants.Program, &buf)
+	_, err = l.request(169, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8814,10 +8814,10 @@ func (l *Libvirt) DomainEventReboot() (err error) {
 
 // DomainEventRtcChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE.
 func (l *Libvirt) DomainEventRtcChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(170, constants.Program, &buf)
+	_, err = l.request(170, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8827,10 +8827,10 @@ func (l *Libvirt) DomainEventRtcChange() (err error) {
 
 // DomainEventWatchdog is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_WATCHDOG.
 func (l *Libvirt) DomainEventWatchdog() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(171, constants.Program, &buf)
+	_, err = l.request(171, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8840,10 +8840,10 @@ func (l *Libvirt) DomainEventWatchdog() (err error) {
 
 // DomainEventIOError is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_IO_ERROR.
 func (l *Libvirt) DomainEventIOError() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(172, constants.Program, &buf)
+	_, err = l.request(172, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8853,10 +8853,10 @@ func (l *Libvirt) DomainEventIOError() (err error) {
 
 // DomainEventGraphics is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_GRAPHICS.
 func (l *Libvirt) DomainEventGraphics() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(173, constants.Program, &buf)
+	_, err = l.request(173, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8866,7 +8866,7 @@ func (l *Libvirt) DomainEventGraphics() (err error) {
 
 // DomainUpdateDeviceFlags is the go wrapper for REMOTE_PROC_DOMAIN_UPDATE_DEVICE_FLAGS.
 func (l *Libvirt) DomainUpdateDeviceFlags(Dom Domain, XML string, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainUpdateDeviceFlagsArgs {
 		Dom: Dom,
@@ -8880,7 +8880,7 @@ func (l *Libvirt) DomainUpdateDeviceFlags(Dom Domain, XML string, Flags uint32)
 	}
 
 
-	_, err = l.request(174, constants.Program, &buf)
+	_, err = l.request(174, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8890,7 +8890,7 @@ func (l *Libvirt) DomainUpdateDeviceFlags(Dom Domain, XML string, Flags uint32)
 
 // NwfilterLookupByName is the go wrapper for REMOTE_PROC_NWFILTER_LOOKUP_BY_NAME.
 func (l *Libvirt) NwfilterLookupByName(Name string) (rOptNwfilter Nwfilter, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NwfilterLookupByNameArgs {
 		Name: Name,
@@ -8902,7 +8902,7 @@ func (l *Libvirt) NwfilterLookupByName(Name string) (rOptNwfilter Nwfilter, err
 	}
 
 	var r response
-	r, err = l.request(175, constants.Program, &buf)
+	r, err = l.request(175, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8921,7 +8921,7 @@ func (l *Libvirt) NwfilterLookupByName(Name string) (rOptNwfilter Nwfilter, err
 
 // NwfilterLookupByUUID is the go wrapper for REMOTE_PROC_NWFILTER_LOOKUP_BY_UUID.
 func (l *Libvirt) NwfilterLookupByUUID(UUID UUID) (rOptNwfilter Nwfilter, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NwfilterLookupByUUIDArgs {
 		UUID: UUID,
@@ -8933,7 +8933,7 @@ func (l *Libvirt) NwfilterLookupByUUID(UUID UUID) (rOptNwfilter Nwfilter, err er
 	}
 
 	var r response
-	r, err = l.request(176, constants.Program, &buf)
+	r, err = l.request(176, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8952,7 +8952,7 @@ func (l *Libvirt) NwfilterLookupByUUID(UUID UUID) (rOptNwfilter Nwfilter, err er
 
 // NwfilterGetXMLDesc is the go wrapper for REMOTE_PROC_NWFILTER_GET_XML_DESC.
 func (l *Libvirt) NwfilterGetXMLDesc(OptNwfilter Nwfilter, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NwfilterGetXMLDescArgs {
 		OptNwfilter: OptNwfilter,
@@ -8965,7 +8965,7 @@ func (l *Libvirt) NwfilterGetXMLDesc(OptNwfilter Nwfilter, Flags uint32) (rXML s
 	}
 
 	var r response
-	r, err = l.request(177, constants.Program, &buf)
+	r, err = l.request(177, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -8984,10 +8984,10 @@ func (l *Libvirt) NwfilterGetXMLDesc(OptNwfilter Nwfilter, Flags uint32) (rXML s
 
 // ConnectNumOfNwfilters is the go wrapper for REMOTE_PROC_CONNECT_NUM_OF_NWFILTERS.
 func (l *Libvirt) ConnectNumOfNwfilters() (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	var r response
-	r, err = l.request(178, constants.Program, &buf)
+	r, err = l.request(178, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9006,7 +9006,7 @@ func (l *Libvirt) ConnectNumOfNwfilters() (rNum int32, err error) {
 
 // ConnectListNwfilters is the go wrapper for REMOTE_PROC_CONNECT_LIST_NWFILTERS.
 func (l *Libvirt) ConnectListNwfilters(Maxnames int32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListNwfiltersArgs {
 		Maxnames: Maxnames,
@@ -9018,7 +9018,7 @@ func (l *Libvirt) ConnectListNwfilters(Maxnames int32) (rNames []string, err err
 	}
 
 	var r response
-	r, err = l.request(179, constants.Program, &buf)
+	r, err = l.request(179, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9037,7 +9037,7 @@ func (l *Libvirt) ConnectListNwfilters(Maxnames int32) (rNames []string, err err
 
 // NwfilterDefineXML is the go wrapper for REMOTE_PROC_NWFILTER_DEFINE_XML.
 func (l *Libvirt) NwfilterDefineXML(XML string) (rOptNwfilter Nwfilter, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NwfilterDefineXMLArgs {
 		XML: XML,
@@ -9049,7 +9049,7 @@ func (l *Libvirt) NwfilterDefineXML(XML string) (rOptNwfilter Nwfilter, err erro
 	}
 
 	var r response
-	r, err = l.request(180, constants.Program, &buf)
+	r, err = l.request(180, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9068,7 +9068,7 @@ func (l *Libvirt) NwfilterDefineXML(XML string) (rOptNwfilter Nwfilter, err erro
 
 // NwfilterUndefine is the go wrapper for REMOTE_PROC_NWFILTER_UNDEFINE.
 func (l *Libvirt) NwfilterUndefine(OptNwfilter Nwfilter) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NwfilterUndefineArgs {
 		OptNwfilter: OptNwfilter,
@@ -9080,7 +9080,7 @@ func (l *Libvirt) NwfilterUndefine(OptNwfilter Nwfilter) (err error) {
 	}
 
 
-	_, err = l.request(181, constants.Program, &buf)
+	_, err = l.request(181, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9090,7 +9090,7 @@ func (l *Libvirt) NwfilterUndefine(OptNwfilter Nwfilter) (err error) {
 
 // DomainManagedSave is the go wrapper for REMOTE_PROC_DOMAIN_MANAGED_SAVE.
 func (l *Libvirt) DomainManagedSave(Dom Domain, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainManagedSaveArgs {
 		Dom: Dom,
@@ -9103,7 +9103,7 @@ func (l *Libvirt) DomainManagedSave(Dom Domain, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(182, constants.Program, &buf)
+	_, err = l.request(182, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9113,7 +9113,7 @@ func (l *Libvirt) DomainManagedSave(Dom Domain, Flags uint32) (err error) {
 
 // DomainHasManagedSaveImage is the go wrapper for REMOTE_PROC_DOMAIN_HAS_MANAGED_SAVE_IMAGE.
 func (l *Libvirt) DomainHasManagedSaveImage(Dom Domain, Flags uint32) (rResult int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainHasManagedSaveImageArgs {
 		Dom: Dom,
@@ -9126,7 +9126,7 @@ func (l *Libvirt) DomainHasManagedSaveImage(Dom Domain, Flags uint32) (rResult i
 	}
 
 	var r response
-	r, err = l.request(183, constants.Program, &buf)
+	r, err = l.request(183, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9145,7 +9145,7 @@ func (l *Libvirt) DomainHasManagedSaveImage(Dom Domain, Flags uint32) (rResult i
 
 // DomainManagedSaveRemove is the go wrapper for REMOTE_PROC_DOMAIN_MANAGED_SAVE_REMOVE.
 func (l *Libvirt) DomainManagedSaveRemove(Dom Domain, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainManagedSaveRemoveArgs {
 		Dom: Dom,
@@ -9158,7 +9158,7 @@ func (l *Libvirt) DomainManagedSaveRemove(Dom Domain, Flags uint32) (err error)
 	}
 
 
-	_, err = l.request(184, constants.Program, &buf)
+	_, err = l.request(184, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9168,7 +9168,7 @@ func (l *Libvirt) DomainManagedSaveRemove(Dom Domain, Flags uint32) (err error)
 
 // DomainSnapshotCreateXML is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_CREATE_XML.
 func (l *Libvirt) DomainSnapshotCreateXML(Dom Domain, XMLDesc string, Flags uint32) (rSnap DomainSnapshot, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotCreateXMLArgs {
 		Dom: Dom,
@@ -9182,7 +9182,7 @@ func (l *Libvirt) DomainSnapshotCreateXML(Dom Domain, XMLDesc string, Flags uint
 	}
 
 	var r response
-	r, err = l.request(185, constants.Program, &buf)
+	r, err = l.request(185, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9201,7 +9201,7 @@ func (l *Libvirt) DomainSnapshotCreateXML(Dom Domain, XMLDesc string, Flags uint
 
 // DomainSnapshotGetXMLDesc is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_GET_XML_DESC.
 func (l *Libvirt) DomainSnapshotGetXMLDesc(Snap DomainSnapshot, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotGetXMLDescArgs {
 		Snap: Snap,
@@ -9214,7 +9214,7 @@ func (l *Libvirt) DomainSnapshotGetXMLDesc(Snap DomainSnapshot, Flags uint32) (r
 	}
 
 	var r response
-	r, err = l.request(186, constants.Program, &buf)
+	r, err = l.request(186, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9233,7 +9233,7 @@ func (l *Libvirt) DomainSnapshotGetXMLDesc(Snap DomainSnapshot, Flags uint32) (r
 
 // DomainSnapshotNum is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_NUM.
 func (l *Libvirt) DomainSnapshotNum(Dom Domain, Flags uint32) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotNumArgs {
 		Dom: Dom,
@@ -9246,7 +9246,7 @@ func (l *Libvirt) DomainSnapshotNum(Dom Domain, Flags uint32) (rNum int32, err e
 	}
 
 	var r response
-	r, err = l.request(187, constants.Program, &buf)
+	r, err = l.request(187, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9265,7 +9265,7 @@ func (l *Libvirt) DomainSnapshotNum(Dom Domain, Flags uint32) (rNum int32, err e
 
 // DomainSnapshotListNames is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_LIST_NAMES.
 func (l *Libvirt) DomainSnapshotListNames(Dom Domain, Maxnames int32, Flags uint32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotListNamesArgs {
 		Dom: Dom,
@@ -9279,7 +9279,7 @@ func (l *Libvirt) DomainSnapshotListNames(Dom Domain, Maxnames int32, Flags uint
 	}
 
 	var r response
-	r, err = l.request(188, constants.Program, &buf)
+	r, err = l.request(188, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9298,7 +9298,7 @@ func (l *Libvirt) DomainSnapshotListNames(Dom Domain, Maxnames int32, Flags uint
 
 // DomainSnapshotLookupByName is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_LOOKUP_BY_NAME.
 func (l *Libvirt) DomainSnapshotLookupByName(Dom Domain, Name string, Flags uint32) (rSnap DomainSnapshot, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotLookupByNameArgs {
 		Dom: Dom,
@@ -9312,7 +9312,7 @@ func (l *Libvirt) DomainSnapshotLookupByName(Dom Domain, Name string, Flags uint
 	}
 
 	var r response
-	r, err = l.request(189, constants.Program, &buf)
+	r, err = l.request(189, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9331,7 +9331,7 @@ func (l *Libvirt) DomainSnapshotLookupByName(Dom Domain, Name string, Flags uint
 
 // DomainHasCurrentSnapshot is the go wrapper for REMOTE_PROC_DOMAIN_HAS_CURRENT_SNAPSHOT.
 func (l *Libvirt) DomainHasCurrentSnapshot(Dom Domain, Flags uint32) (rResult int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainHasCurrentSnapshotArgs {
 		Dom: Dom,
@@ -9344,7 +9344,7 @@ func (l *Libvirt) DomainHasCurrentSnapshot(Dom Domain, Flags uint32) (rResult in
 	}
 
 	var r response
-	r, err = l.request(190, constants.Program, &buf)
+	r, err = l.request(190, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9363,7 +9363,7 @@ func (l *Libvirt) DomainHasCurrentSnapshot(Dom Domain, Flags uint32) (rResult in
 
 // DomainSnapshotCurrent is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_CURRENT.
 func (l *Libvirt) DomainSnapshotCurrent(Dom Domain, Flags uint32) (rSnap DomainSnapshot, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotCurrentArgs {
 		Dom: Dom,
@@ -9376,7 +9376,7 @@ func (l *Libvirt) DomainSnapshotCurrent(Dom Domain, Flags uint32) (rSnap DomainS
 	}
 
 	var r response
-	r, err = l.request(191, constants.Program, &buf)
+	r, err = l.request(191, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9395,7 +9395,7 @@ func (l *Libvirt) DomainSnapshotCurrent(Dom Domain, Flags uint32) (rSnap DomainS
 
 // DomainRevertToSnapshot is the go wrapper for REMOTE_PROC_DOMAIN_REVERT_TO_SNAPSHOT.
 func (l *Libvirt) DomainRevertToSnapshot(Snap DomainSnapshot, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainRevertToSnapshotArgs {
 		Snap: Snap,
@@ -9408,7 +9408,7 @@ func (l *Libvirt) DomainRevertToSnapshot(Snap DomainSnapshot, Flags uint32) (err
 	}
 
 
-	_, err = l.request(192, constants.Program, &buf)
+	_, err = l.request(192, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9418,7 +9418,7 @@ func (l *Libvirt) DomainRevertToSnapshot(Snap DomainSnapshot, Flags uint32) (err
 
 // DomainSnapshotDelete is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_DELETE.
 func (l *Libvirt) DomainSnapshotDelete(Snap DomainSnapshot, Flags DomainSnapshotDeleteFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotDeleteArgs {
 		Snap: Snap,
@@ -9431,7 +9431,7 @@ func (l *Libvirt) DomainSnapshotDelete(Snap DomainSnapshot, Flags DomainSnapshot
 	}
 
 
-	_, err = l.request(193, constants.Program, &buf)
+	_, err = l.request(193, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9441,7 +9441,7 @@ func (l *Libvirt) DomainSnapshotDelete(Snap DomainSnapshot, Flags DomainSnapshot
 
 // DomainGetBlockInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_BLOCK_INFO.
 func (l *Libvirt) DomainGetBlockInfo(Dom Domain, Path string, Flags uint32) (rAllocation uint64, rCapacity uint64, rPhysical uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetBlockInfoArgs {
 		Dom: Dom,
@@ -9455,7 +9455,7 @@ func (l *Libvirt) DomainGetBlockInfo(Dom Domain, Path string, Flags uint32) (rAl
 	}
 
 	var r response
-	r, err = l.request(194, constants.Program, &buf)
+	r, err = l.request(194, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9484,10 +9484,10 @@ func (l *Libvirt) DomainGetBlockInfo(Dom Domain, Path string, Flags uint32) (rAl
 
 // DomainEventIOErrorReason is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_IO_ERROR_REASON.
 func (l *Libvirt) DomainEventIOErrorReason() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(195, constants.Program, &buf)
+	_, err = l.request(195, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9497,7 +9497,7 @@ func (l *Libvirt) DomainEventIOErrorReason() (err error) {
 
 // DomainCreateWithFlags is the go wrapper for REMOTE_PROC_DOMAIN_CREATE_WITH_FLAGS.
 func (l *Libvirt) DomainCreateWithFlags(Dom Domain, Flags uint32) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCreateWithFlagsArgs {
 		Dom: Dom,
@@ -9510,7 +9510,7 @@ func (l *Libvirt) DomainCreateWithFlags(Dom Domain, Flags uint32) (rDom Domain,
 	}
 
 	var r response
-	r, err = l.request(196, constants.Program, &buf)
+	r, err = l.request(196, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9529,7 +9529,7 @@ func (l *Libvirt) DomainCreateWithFlags(Dom Domain, Flags uint32) (rDom Domain,
 
 // DomainSetMemoryParameters is the go wrapper for REMOTE_PROC_DOMAIN_SET_MEMORY_PARAMETERS.
 func (l *Libvirt) DomainSetMemoryParameters(Dom Domain, Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetMemoryParametersArgs {
 		Dom: Dom,
@@ -9543,7 +9543,7 @@ func (l *Libvirt) DomainSetMemoryParameters(Dom Domain, Params []TypedParam, Fla
 	}
 
 
-	_, err = l.request(197, constants.Program, &buf)
+	_, err = l.request(197, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9553,7 +9553,7 @@ func (l *Libvirt) DomainSetMemoryParameters(Dom Domain, Params []TypedParam, Fla
 
 // DomainGetMemoryParameters is the go wrapper for REMOTE_PROC_DOMAIN_GET_MEMORY_PARAMETERS.
 func (l *Libvirt) DomainGetMemoryParameters(Dom Domain, Nparams int32, Flags uint32) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetMemoryParametersArgs {
 		Dom: Dom,
@@ -9567,7 +9567,7 @@ func (l *Libvirt) DomainGetMemoryParameters(Dom Domain, Nparams int32, Flags uin
 	}
 
 	var r response
-	r, err = l.request(198, constants.Program, &buf)
+	r, err = l.request(198, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9592,7 +9592,7 @@ func (l *Libvirt) DomainGetMemoryParameters(Dom Domain, Nparams int32, Flags uin
 
 // DomainSetVcpusFlags is the go wrapper for REMOTE_PROC_DOMAIN_SET_VCPUS_FLAGS.
 func (l *Libvirt) DomainSetVcpusFlags(Dom Domain, Nvcpus uint32, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetVcpusFlagsArgs {
 		Dom: Dom,
@@ -9606,7 +9606,7 @@ func (l *Libvirt) DomainSetVcpusFlags(Dom Domain, Nvcpus uint32, Flags uint32) (
 	}
 
 
-	_, err = l.request(199, constants.Program, &buf)
+	_, err = l.request(199, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9616,7 +9616,7 @@ func (l *Libvirt) DomainSetVcpusFlags(Dom Domain, Nvcpus uint32, Flags uint32) (
 
 // DomainGetVcpusFlags is the go wrapper for REMOTE_PROC_DOMAIN_GET_VCPUS_FLAGS.
 func (l *Libvirt) DomainGetVcpusFlags(Dom Domain, Flags uint32) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetVcpusFlagsArgs {
 		Dom: Dom,
@@ -9629,7 +9629,7 @@ func (l *Libvirt) DomainGetVcpusFlags(Dom Domain, Flags uint32) (rNum int32, err
 	}
 
 	var r response
-	r, err = l.request(200, constants.Program, &buf)
+	r, err = l.request(200, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9648,7 +9648,7 @@ func (l *Libvirt) DomainGetVcpusFlags(Dom Domain, Flags uint32) (rNum int32, err
 
 // DomainOpenConsole is the go wrapper for REMOTE_PROC_DOMAIN_OPEN_CONSOLE.
 func (l *Libvirt) DomainOpenConsole(Dom Domain, DevName OptString, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainOpenConsoleArgs {
 		Dom: Dom,
@@ -9662,7 +9662,7 @@ func (l *Libvirt) DomainOpenConsole(Dom Domain, DevName OptString, Flags uint32)
 	}
 
 
-	_, err = l.request(201, constants.Program, &buf)
+	_, err = l.request(201, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9672,7 +9672,7 @@ func (l *Libvirt) DomainOpenConsole(Dom Domain, DevName OptString, Flags uint32)
 
 // DomainIsUpdated is the go wrapper for REMOTE_PROC_DOMAIN_IS_UPDATED.
 func (l *Libvirt) DomainIsUpdated(Dom Domain) (rUpdated int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainIsUpdatedArgs {
 		Dom: Dom,
@@ -9684,7 +9684,7 @@ func (l *Libvirt) DomainIsUpdated(Dom Domain) (rUpdated int32, err error) {
 	}
 
 	var r response
-	r, err = l.request(202, constants.Program, &buf)
+	r, err = l.request(202, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9703,7 +9703,7 @@ func (l *Libvirt) DomainIsUpdated(Dom Domain) (rUpdated int32, err error) {
 
 // ConnectGetSysinfo is the go wrapper for REMOTE_PROC_CONNECT_GET_SYSINFO.
 func (l *Libvirt) ConnectGetSysinfo(Flags uint32) (rSysinfo string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectGetSysinfoArgs {
 		Flags: Flags,
@@ -9715,7 +9715,7 @@ func (l *Libvirt) ConnectGetSysinfo(Flags uint32) (rSysinfo string, err error) {
 	}
 
 	var r response
-	r, err = l.request(203, constants.Program, &buf)
+	r, err = l.request(203, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9734,7 +9734,7 @@ func (l *Libvirt) ConnectGetSysinfo(Flags uint32) (rSysinfo string, err error) {
 
 // DomainSetMemoryFlags is the go wrapper for REMOTE_PROC_DOMAIN_SET_MEMORY_FLAGS.
 func (l *Libvirt) DomainSetMemoryFlags(Dom Domain, Memory uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetMemoryFlagsArgs {
 		Dom: Dom,
@@ -9748,7 +9748,7 @@ func (l *Libvirt) DomainSetMemoryFlags(Dom Domain, Memory uint64, Flags uint32)
 	}
 
 
-	_, err = l.request(204, constants.Program, &buf)
+	_, err = l.request(204, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9758,7 +9758,7 @@ func (l *Libvirt) DomainSetMemoryFlags(Dom Domain, Memory uint64, Flags uint32)
 
 // DomainSetBlkioParameters is the go wrapper for REMOTE_PROC_DOMAIN_SET_BLKIO_PARAMETERS.
 func (l *Libvirt) DomainSetBlkioParameters(Dom Domain, Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetBlkioParametersArgs {
 		Dom: Dom,
@@ -9772,7 +9772,7 @@ func (l *Libvirt) DomainSetBlkioParameters(Dom Domain, Params []TypedParam, Flag
 	}
 
 
-	_, err = l.request(205, constants.Program, &buf)
+	_, err = l.request(205, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9782,7 +9782,7 @@ func (l *Libvirt) DomainSetBlkioParameters(Dom Domain, Params []TypedParam, Flag
 
 // DomainGetBlkioParameters is the go wrapper for REMOTE_PROC_DOMAIN_GET_BLKIO_PARAMETERS.
 func (l *Libvirt) DomainGetBlkioParameters(Dom Domain, Nparams int32, Flags uint32) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetBlkioParametersArgs {
 		Dom: Dom,
@@ -9796,7 +9796,7 @@ func (l *Libvirt) DomainGetBlkioParameters(Dom Domain, Nparams int32, Flags uint
 	}
 
 	var r response
-	r, err = l.request(206, constants.Program, &buf)
+	r, err = l.request(206, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9821,7 +9821,7 @@ func (l *Libvirt) DomainGetBlkioParameters(Dom Domain, Nparams int32, Flags uint
 
 // DomainMigrateSetMaxSpeed is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_SET_MAX_SPEED.
 func (l *Libvirt) DomainMigrateSetMaxSpeed(Dom Domain, Bandwidth uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateSetMaxSpeedArgs {
 		Dom: Dom,
@@ -9835,7 +9835,7 @@ func (l *Libvirt) DomainMigrateSetMaxSpeed(Dom Domain, Bandwidth uint64, Flags u
 	}
 
 
-	_, err = l.request(207, constants.Program, &buf)
+	_, err = l.request(207, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9845,7 +9845,7 @@ func (l *Libvirt) DomainMigrateSetMaxSpeed(Dom Domain, Bandwidth uint64, Flags u
 
 // StorageVolUpload is the go wrapper for REMOTE_PROC_STORAGE_VOL_UPLOAD.
 func (l *Libvirt) StorageVolUpload(Vol StorageVol, Offset uint64, Length uint64, Flags StorageVolUploadFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolUploadArgs {
 		Vol: Vol,
@@ -9860,7 +9860,7 @@ func (l *Libvirt) StorageVolUpload(Vol StorageVol, Offset uint64, Length uint64,
 	}
 
 
-	_, err = l.request(208, constants.Program, &buf)
+	_, err = l.request(208, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9870,7 +9870,7 @@ func (l *Libvirt) StorageVolUpload(Vol StorageVol, Offset uint64, Length uint64,
 
 // StorageVolDownload is the go wrapper for REMOTE_PROC_STORAGE_VOL_DOWNLOAD.
 func (l *Libvirt) StorageVolDownload(Vol StorageVol, Offset uint64, Length uint64, Flags StorageVolDownloadFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolDownloadArgs {
 		Vol: Vol,
@@ -9885,7 +9885,7 @@ func (l *Libvirt) StorageVolDownload(Vol StorageVol, Offset uint64, Length uint6
 	}
 
 
-	_, err = l.request(209, constants.Program, &buf)
+	_, err = l.request(209, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9895,7 +9895,7 @@ func (l *Libvirt) StorageVolDownload(Vol StorageVol, Offset uint64, Length uint6
 
 // DomainInjectNmi is the go wrapper for REMOTE_PROC_DOMAIN_INJECT_NMI.
 func (l *Libvirt) DomainInjectNmi(Dom Domain, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainInjectNmiArgs {
 		Dom: Dom,
@@ -9908,7 +9908,7 @@ func (l *Libvirt) DomainInjectNmi(Dom Domain, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(210, constants.Program, &buf)
+	_, err = l.request(210, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9918,7 +9918,7 @@ func (l *Libvirt) DomainInjectNmi(Dom Domain, Flags uint32) (err error) {
 
 // DomainScreenshot is the go wrapper for REMOTE_PROC_DOMAIN_SCREENSHOT.
 func (l *Libvirt) DomainScreenshot(Dom Domain, Screen uint32, Flags uint32) (rMime OptString, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainScreenshotArgs {
 		Dom: Dom,
@@ -9932,7 +9932,7 @@ func (l *Libvirt) DomainScreenshot(Dom Domain, Screen uint32, Flags uint32) (rMi
 	}
 
 	var r response
-	r, err = l.request(211, constants.Program, &buf)
+	r, err = l.request(211, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9951,7 +9951,7 @@ func (l *Libvirt) DomainScreenshot(Dom Domain, Screen uint32, Flags uint32) (rMi
 
 // DomainGetState is the go wrapper for REMOTE_PROC_DOMAIN_GET_STATE.
 func (l *Libvirt) DomainGetState(Dom Domain, Flags uint32) (rState int32, rReason int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetStateArgs {
 		Dom: Dom,
@@ -9964,7 +9964,7 @@ func (l *Libvirt) DomainGetState(Dom Domain, Flags uint32) (rState int32, rReaso
 	}
 
 	var r response
-	r, err = l.request(212, constants.Program, &buf)
+	r, err = l.request(212, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -9988,7 +9988,7 @@ func (l *Libvirt) DomainGetState(Dom Domain, Flags uint32) (rState int32, rReaso
 
 // DomainMigrateBegin3 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_BEGIN3.
 func (l *Libvirt) DomainMigrateBegin3(Dom Domain, Xmlin OptString, Flags uint64, Dname OptString, Resource uint64) (rCookieOut []byte, rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateBegin3Args {
 		Dom: Dom,
@@ -10004,7 +10004,7 @@ func (l *Libvirt) DomainMigrateBegin3(Dom Domain, Xmlin OptString, Flags uint64,
 	}
 
 	var r response
-	r, err = l.request(213, constants.Program, &buf)
+	r, err = l.request(213, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10028,7 +10028,7 @@ func (l *Libvirt) DomainMigrateBegin3(Dom Domain, Xmlin OptString, Flags uint64,
 
 // DomainMigratePrepare3 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE3.
 func (l *Libvirt) DomainMigratePrepare3(CookieIn []byte, UriIn OptString, Flags uint64, Dname OptString, Resource uint64, DomXML string) (rCookieOut []byte, rUriOut OptString, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepare3Args {
 		CookieIn: CookieIn,
@@ -10045,7 +10045,7 @@ func (l *Libvirt) DomainMigratePrepare3(CookieIn []byte, UriIn OptString, Flags
 	}
 
 	var r response
-	r, err = l.request(214, constants.Program, &buf)
+	r, err = l.request(214, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10069,7 +10069,7 @@ func (l *Libvirt) DomainMigratePrepare3(CookieIn []byte, UriIn OptString, Flags
 
 // DomainMigratePrepareTunnel3 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3.
 func (l *Libvirt) DomainMigratePrepareTunnel3(CookieIn []byte, Flags uint64, Dname OptString, Resource uint64, DomXML string) (rCookieOut []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepareTunnel3Args {
 		CookieIn: CookieIn,
@@ -10085,7 +10085,7 @@ func (l *Libvirt) DomainMigratePrepareTunnel3(CookieIn []byte, Flags uint64, Dna
 	}
 
 	var r response
-	r, err = l.request(215, constants.Program, &buf)
+	r, err = l.request(215, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10104,7 +10104,7 @@ func (l *Libvirt) DomainMigratePrepareTunnel3(CookieIn []byte, Flags uint64, Dna
 
 // DomainMigratePerform3 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PERFORM3.
 func (l *Libvirt) DomainMigratePerform3(Dom Domain, Xmlin OptString, CookieIn []byte, Dconnuri OptString, Uri OptString, Flags uint64, Dname OptString, Resource uint64) (rCookieOut []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePerform3Args {
 		Dom: Dom,
@@ -10123,7 +10123,7 @@ func (l *Libvirt) DomainMigratePerform3(Dom Domain, Xmlin OptString, CookieIn []
 	}
 
 	var r response
-	r, err = l.request(216, constants.Program, &buf)
+	r, err = l.request(216, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10142,7 +10142,7 @@ func (l *Libvirt) DomainMigratePerform3(Dom Domain, Xmlin OptString, CookieIn []
 
 // DomainMigrateFinish3 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_FINISH3.
 func (l *Libvirt) DomainMigrateFinish3(Dname string, CookieIn []byte, Dconnuri OptString, Uri OptString, Flags uint64, Cancelled int32) (rDom Domain, rCookieOut []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateFinish3Args {
 		Dname: Dname,
@@ -10159,7 +10159,7 @@ func (l *Libvirt) DomainMigrateFinish3(Dname string, CookieIn []byte, Dconnuri O
 	}
 
 	var r response
-	r, err = l.request(217, constants.Program, &buf)
+	r, err = l.request(217, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10183,7 +10183,7 @@ func (l *Libvirt) DomainMigrateFinish3(Dname string, CookieIn []byte, Dconnuri O
 
 // DomainMigrateConfirm3 is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_CONFIRM3.
 func (l *Libvirt) DomainMigrateConfirm3(Dom Domain, CookieIn []byte, Flags uint64, Cancelled int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateConfirm3Args {
 		Dom: Dom,
@@ -10198,7 +10198,7 @@ func (l *Libvirt) DomainMigrateConfirm3(Dom Domain, CookieIn []byte, Flags uint6
 	}
 
 
-	_, err = l.request(218, constants.Program, &buf)
+	_, err = l.request(218, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10208,7 +10208,7 @@ func (l *Libvirt) DomainMigrateConfirm3(Dom Domain, CookieIn []byte, Flags uint6
 
 // DomainSetSchedulerParametersFlags is the go wrapper for REMOTE_PROC_DOMAIN_SET_SCHEDULER_PARAMETERS_FLAGS.
 func (l *Libvirt) DomainSetSchedulerParametersFlags(Dom Domain, Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetSchedulerParametersFlagsArgs {
 		Dom: Dom,
@@ -10222,7 +10222,7 @@ func (l *Libvirt) DomainSetSchedulerParametersFlags(Dom Domain, Params []TypedPa
 	}
 
 
-	_, err = l.request(219, constants.Program, &buf)
+	_, err = l.request(219, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10232,7 +10232,7 @@ func (l *Libvirt) DomainSetSchedulerParametersFlags(Dom Domain, Params []TypedPa
 
 // InterfaceChangeBegin is the go wrapper for REMOTE_PROC_INTERFACE_CHANGE_BEGIN.
 func (l *Libvirt) InterfaceChangeBegin(Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceChangeBeginArgs {
 		Flags: Flags,
@@ -10244,7 +10244,7 @@ func (l *Libvirt) InterfaceChangeBegin(Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(220, constants.Program, &buf)
+	_, err = l.request(220, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10254,7 +10254,7 @@ func (l *Libvirt) InterfaceChangeBegin(Flags uint32) (err error) {
 
 // InterfaceChangeCommit is the go wrapper for REMOTE_PROC_INTERFACE_CHANGE_COMMIT.
 func (l *Libvirt) InterfaceChangeCommit(Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceChangeCommitArgs {
 		Flags: Flags,
@@ -10266,7 +10266,7 @@ func (l *Libvirt) InterfaceChangeCommit(Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(221, constants.Program, &buf)
+	_, err = l.request(221, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10276,7 +10276,7 @@ func (l *Libvirt) InterfaceChangeCommit(Flags uint32) (err error) {
 
 // InterfaceChangeRollback is the go wrapper for REMOTE_PROC_INTERFACE_CHANGE_ROLLBACK.
 func (l *Libvirt) InterfaceChangeRollback(Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := InterfaceChangeRollbackArgs {
 		Flags: Flags,
@@ -10288,7 +10288,7 @@ func (l *Libvirt) InterfaceChangeRollback(Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(222, constants.Program, &buf)
+	_, err = l.request(222, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10298,7 +10298,7 @@ func (l *Libvirt) InterfaceChangeRollback(Flags uint32) (err error) {
 
 // DomainGetSchedulerParametersFlags is the go wrapper for REMOTE_PROC_DOMAIN_GET_SCHEDULER_PARAMETERS_FLAGS.
 func (l *Libvirt) DomainGetSchedulerParametersFlags(Dom Domain, Nparams int32, Flags uint32) (rParams []TypedParam, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetSchedulerParametersFlagsArgs {
 		Dom: Dom,
@@ -10312,7 +10312,7 @@ func (l *Libvirt) DomainGetSchedulerParametersFlags(Dom Domain, Nparams int32, F
 	}
 
 	var r response
-	r, err = l.request(223, constants.Program, &buf)
+	r, err = l.request(223, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10332,10 +10332,10 @@ func (l *Libvirt) DomainGetSchedulerParametersFlags(Dom Domain, Nparams int32, F
 
 // DomainEventControlError is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CONTROL_ERROR.
 func (l *Libvirt) DomainEventControlError() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(224, constants.Program, &buf)
+	_, err = l.request(224, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10345,7 +10345,7 @@ func (l *Libvirt) DomainEventControlError() (err error) {
 
 // DomainPinVcpuFlags is the go wrapper for REMOTE_PROC_DOMAIN_PIN_VCPU_FLAGS.
 func (l *Libvirt) DomainPinVcpuFlags(Dom Domain, Vcpu uint32, Cpumap []byte, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainPinVcpuFlagsArgs {
 		Dom: Dom,
@@ -10360,7 +10360,7 @@ func (l *Libvirt) DomainPinVcpuFlags(Dom Domain, Vcpu uint32, Cpumap []byte, Fla
 	}
 
 
-	_, err = l.request(225, constants.Program, &buf)
+	_, err = l.request(225, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10370,7 +10370,7 @@ func (l *Libvirt) DomainPinVcpuFlags(Dom Domain, Vcpu uint32, Cpumap []byte, Fla
 
 // DomainSendKey is the go wrapper for REMOTE_PROC_DOMAIN_SEND_KEY.
 func (l *Libvirt) DomainSendKey(Dom Domain, Codeset uint32, Holdtime uint32, Keycodes []uint32, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSendKeyArgs {
 		Dom: Dom,
@@ -10386,7 +10386,7 @@ func (l *Libvirt) DomainSendKey(Dom Domain, Codeset uint32, Holdtime uint32, Key
 	}
 
 
-	_, err = l.request(226, constants.Program, &buf)
+	_, err = l.request(226, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10396,7 +10396,7 @@ func (l *Libvirt) DomainSendKey(Dom Domain, Codeset uint32, Holdtime uint32, Key
 
 // NodeGetCPUStats is the go wrapper for REMOTE_PROC_NODE_GET_CPU_STATS.
 func (l *Libvirt) NodeGetCPUStats(CPUNum int32, Nparams int32, Flags uint32) (rParams []NodeGetCPUStats, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeGetCPUStatsArgs {
 		CPUNum: CPUNum,
@@ -10410,7 +10410,7 @@ func (l *Libvirt) NodeGetCPUStats(CPUNum int32, Nparams int32, Flags uint32) (rP
 	}
 
 	var r response
-	r, err = l.request(227, constants.Program, &buf)
+	r, err = l.request(227, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10434,7 +10434,7 @@ func (l *Libvirt) NodeGetCPUStats(CPUNum int32, Nparams int32, Flags uint32) (rP
 
 // NodeGetMemoryStats is the go wrapper for REMOTE_PROC_NODE_GET_MEMORY_STATS.
 func (l *Libvirt) NodeGetMemoryStats(Nparams int32, CellNum int32, Flags uint32) (rParams []NodeGetMemoryStats, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeGetMemoryStatsArgs {
 		Nparams: Nparams,
@@ -10448,7 +10448,7 @@ func (l *Libvirt) NodeGetMemoryStats(Nparams int32, CellNum int32, Flags uint32)
 	}
 
 	var r response
-	r, err = l.request(228, constants.Program, &buf)
+	r, err = l.request(228, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10472,7 +10472,7 @@ func (l *Libvirt) NodeGetMemoryStats(Nparams int32, CellNum int32, Flags uint32)
 
 // DomainGetControlInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_CONTROL_INFO.
 func (l *Libvirt) DomainGetControlInfo(Dom Domain, Flags uint32) (rState uint32, rDetails uint32, rStateTime uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetControlInfoArgs {
 		Dom: Dom,
@@ -10485,7 +10485,7 @@ func (l *Libvirt) DomainGetControlInfo(Dom Domain, Flags uint32) (rState uint32,
 	}
 
 	var r response
-	r, err = l.request(229, constants.Program, &buf)
+	r, err = l.request(229, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10514,7 +10514,7 @@ func (l *Libvirt) DomainGetControlInfo(Dom Domain, Flags uint32) (rState uint32,
 
 // DomainGetVcpuPinInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_VCPU_PIN_INFO.
 func (l *Libvirt) DomainGetVcpuPinInfo(Dom Domain, Ncpumaps int32, Maplen int32, Flags uint32) (rCpumaps []byte, rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetVcpuPinInfoArgs {
 		Dom: Dom,
@@ -10529,7 +10529,7 @@ func (l *Libvirt) DomainGetVcpuPinInfo(Dom Domain, Ncpumaps int32, Maplen int32,
 	}
 
 	var r response
-	r, err = l.request(230, constants.Program, &buf)
+	r, err = l.request(230, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10553,7 +10553,7 @@ func (l *Libvirt) DomainGetVcpuPinInfo(Dom Domain, Ncpumaps int32, Maplen int32,
 
 // DomainUndefineFlags is the go wrapper for REMOTE_PROC_DOMAIN_UNDEFINE_FLAGS.
 func (l *Libvirt) DomainUndefineFlags(Dom Domain, Flags DomainUndefineFlagsValues) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainUndefineFlagsArgs {
 		Dom: Dom,
@@ -10566,7 +10566,7 @@ func (l *Libvirt) DomainUndefineFlags(Dom Domain, Flags DomainUndefineFlagsValue
 	}
 
 
-	_, err = l.request(231, constants.Program, &buf)
+	_, err = l.request(231, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10576,7 +10576,7 @@ func (l *Libvirt) DomainUndefineFlags(Dom Domain, Flags DomainUndefineFlagsValue
 
 // DomainSaveFlags is the go wrapper for REMOTE_PROC_DOMAIN_SAVE_FLAGS.
 func (l *Libvirt) DomainSaveFlags(Dom Domain, To string, Dxml OptString, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSaveFlagsArgs {
 		Dom: Dom,
@@ -10591,7 +10591,7 @@ func (l *Libvirt) DomainSaveFlags(Dom Domain, To string, Dxml OptString, Flags u
 	}
 
 
-	_, err = l.request(232, constants.Program, &buf)
+	_, err = l.request(232, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10601,7 +10601,7 @@ func (l *Libvirt) DomainSaveFlags(Dom Domain, To string, Dxml OptString, Flags u
 
 // DomainRestoreFlags is the go wrapper for REMOTE_PROC_DOMAIN_RESTORE_FLAGS.
 func (l *Libvirt) DomainRestoreFlags(From string, Dxml OptString, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainRestoreFlagsArgs {
 		From: From,
@@ -10615,7 +10615,7 @@ func (l *Libvirt) DomainRestoreFlags(From string, Dxml OptString, Flags uint32)
 	}
 
 
-	_, err = l.request(233, constants.Program, &buf)
+	_, err = l.request(233, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10625,7 +10625,7 @@ func (l *Libvirt) DomainRestoreFlags(From string, Dxml OptString, Flags uint32)
 
 // DomainDestroyFlags is the go wrapper for REMOTE_PROC_DOMAIN_DESTROY_FLAGS.
 func (l *Libvirt) DomainDestroyFlags(Dom Domain, Flags DomainDestroyFlagsValues) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDestroyFlagsArgs {
 		Dom: Dom,
@@ -10638,7 +10638,7 @@ func (l *Libvirt) DomainDestroyFlags(Dom Domain, Flags DomainDestroyFlagsValues)
 	}
 
 
-	_, err = l.request(234, constants.Program, &buf)
+	_, err = l.request(234, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10648,7 +10648,7 @@ func (l *Libvirt) DomainDestroyFlags(Dom Domain, Flags DomainDestroyFlagsValues)
 
 // DomainSaveImageGetXMLDesc is the go wrapper for REMOTE_PROC_DOMAIN_SAVE_IMAGE_GET_XML_DESC.
 func (l *Libvirt) DomainSaveImageGetXMLDesc(File string, Flags uint32) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSaveImageGetXMLDescArgs {
 		File: File,
@@ -10661,7 +10661,7 @@ func (l *Libvirt) DomainSaveImageGetXMLDesc(File string, Flags uint32) (rXML str
 	}
 
 	var r response
-	r, err = l.request(235, constants.Program, &buf)
+	r, err = l.request(235, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10680,7 +10680,7 @@ func (l *Libvirt) DomainSaveImageGetXMLDesc(File string, Flags uint32) (rXML str
 
 // DomainSaveImageDefineXML is the go wrapper for REMOTE_PROC_DOMAIN_SAVE_IMAGE_DEFINE_XML.
 func (l *Libvirt) DomainSaveImageDefineXML(File string, Dxml string, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSaveImageDefineXMLArgs {
 		File: File,
@@ -10694,7 +10694,7 @@ func (l *Libvirt) DomainSaveImageDefineXML(File string, Dxml string, Flags uint3
 	}
 
 
-	_, err = l.request(236, constants.Program, &buf)
+	_, err = l.request(236, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10704,7 +10704,7 @@ func (l *Libvirt) DomainSaveImageDefineXML(File string, Dxml string, Flags uint3
 
 // DomainBlockJobAbort is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_JOB_ABORT.
 func (l *Libvirt) DomainBlockJobAbort(Dom Domain, Path string, Flags DomainBlockJobAbortFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockJobAbortArgs {
 		Dom: Dom,
@@ -10718,7 +10718,7 @@ func (l *Libvirt) DomainBlockJobAbort(Dom Domain, Path string, Flags DomainBlock
 	}
 
 
-	_, err = l.request(237, constants.Program, &buf)
+	_, err = l.request(237, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10728,7 +10728,7 @@ func (l *Libvirt) DomainBlockJobAbort(Dom Domain, Path string, Flags DomainBlock
 
 // DomainGetBlockJobInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_BLOCK_JOB_INFO.
 func (l *Libvirt) DomainGetBlockJobInfo(Dom Domain, Path string, Flags uint32) (rFound int32, rType int32, rBandwidth uint64, rCur uint64, rEnd uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetBlockJobInfoArgs {
 		Dom: Dom,
@@ -10742,7 +10742,7 @@ func (l *Libvirt) DomainGetBlockJobInfo(Dom Domain, Path string, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(238, constants.Program, &buf)
+	r, err = l.request(238, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10781,7 +10781,7 @@ func (l *Libvirt) DomainGetBlockJobInfo(Dom Domain, Path string, Flags uint32) (
 
 // DomainBlockJobSetSpeed is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_JOB_SET_SPEED.
 func (l *Libvirt) DomainBlockJobSetSpeed(Dom Domain, Path string, Bandwidth uint64, Flags DomainBlockJobSetSpeedFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockJobSetSpeedArgs {
 		Dom: Dom,
@@ -10796,7 +10796,7 @@ func (l *Libvirt) DomainBlockJobSetSpeed(Dom Domain, Path string, Bandwidth uint
 	}
 
 
-	_, err = l.request(239, constants.Program, &buf)
+	_, err = l.request(239, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10806,7 +10806,7 @@ func (l *Libvirt) DomainBlockJobSetSpeed(Dom Domain, Path string, Bandwidth uint
 
 // DomainBlockPull is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_PULL.
 func (l *Libvirt) DomainBlockPull(Dom Domain, Path string, Bandwidth uint64, Flags DomainBlockPullFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockPullArgs {
 		Dom: Dom,
@@ -10821,7 +10821,7 @@ func (l *Libvirt) DomainBlockPull(Dom Domain, Path string, Bandwidth uint64, Fla
 	}
 
 
-	_, err = l.request(240, constants.Program, &buf)
+	_, err = l.request(240, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10831,10 +10831,10 @@ func (l *Libvirt) DomainBlockPull(Dom Domain, Path string, Bandwidth uint64, Fla
 
 // DomainEventBlockJob is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB.
 func (l *Libvirt) DomainEventBlockJob() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(241, constants.Program, &buf)
+	_, err = l.request(241, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10844,7 +10844,7 @@ func (l *Libvirt) DomainEventBlockJob() (err error) {
 
 // DomainMigrateGetMaxSpeed is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_SPEED.
 func (l *Libvirt) DomainMigrateGetMaxSpeed(Dom Domain, Flags uint32) (rBandwidth uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateGetMaxSpeedArgs {
 		Dom: Dom,
@@ -10857,7 +10857,7 @@ func (l *Libvirt) DomainMigrateGetMaxSpeed(Dom Domain, Flags uint32) (rBandwidth
 	}
 
 	var r response
-	r, err = l.request(242, constants.Program, &buf)
+	r, err = l.request(242, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10876,7 +10876,7 @@ func (l *Libvirt) DomainMigrateGetMaxSpeed(Dom Domain, Flags uint32) (rBandwidth
 
 // DomainBlockStatsFlags is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_STATS_FLAGS.
 func (l *Libvirt) DomainBlockStatsFlags(Dom Domain, Path string, Nparams int32, Flags uint32) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockStatsFlagsArgs {
 		Dom: Dom,
@@ -10891,7 +10891,7 @@ func (l *Libvirt) DomainBlockStatsFlags(Dom Domain, Path string, Nparams int32,
 	}
 
 	var r response
-	r, err = l.request(243, constants.Program, &buf)
+	r, err = l.request(243, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10916,7 +10916,7 @@ func (l *Libvirt) DomainBlockStatsFlags(Dom Domain, Path string, Nparams int32,
 
 // DomainSnapshotGetParent is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_GET_PARENT.
 func (l *Libvirt) DomainSnapshotGetParent(Snap DomainSnapshot, Flags uint32) (rSnap DomainSnapshot, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotGetParentArgs {
 		Snap: Snap,
@@ -10929,7 +10929,7 @@ func (l *Libvirt) DomainSnapshotGetParent(Snap DomainSnapshot, Flags uint32) (rS
 	}
 
 	var r response
-	r, err = l.request(244, constants.Program, &buf)
+	r, err = l.request(244, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10948,7 +10948,7 @@ func (l *Libvirt) DomainSnapshotGetParent(Snap DomainSnapshot, Flags uint32) (rS
 
 // DomainReset is the go wrapper for REMOTE_PROC_DOMAIN_RESET.
 func (l *Libvirt) DomainReset(Dom Domain, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainResetArgs {
 		Dom: Dom,
@@ -10961,7 +10961,7 @@ func (l *Libvirt) DomainReset(Dom Domain, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(245, constants.Program, &buf)
+	_, err = l.request(245, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -10971,7 +10971,7 @@ func (l *Libvirt) DomainReset(Dom Domain, Flags uint32) (err error) {
 
 // DomainSnapshotNumChildren is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_NUM_CHILDREN.
 func (l *Libvirt) DomainSnapshotNumChildren(Snap DomainSnapshot, Flags uint32) (rNum int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotNumChildrenArgs {
 		Snap: Snap,
@@ -10984,7 +10984,7 @@ func (l *Libvirt) DomainSnapshotNumChildren(Snap DomainSnapshot, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(246, constants.Program, &buf)
+	r, err = l.request(246, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11003,7 +11003,7 @@ func (l *Libvirt) DomainSnapshotNumChildren(Snap DomainSnapshot, Flags uint32) (
 
 // DomainSnapshotListChildrenNames is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_LIST_CHILDREN_NAMES.
 func (l *Libvirt) DomainSnapshotListChildrenNames(Snap DomainSnapshot, Maxnames int32, Flags uint32) (rNames []string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotListChildrenNamesArgs {
 		Snap: Snap,
@@ -11017,7 +11017,7 @@ func (l *Libvirt) DomainSnapshotListChildrenNames(Snap DomainSnapshot, Maxnames
 	}
 
 	var r response
-	r, err = l.request(247, constants.Program, &buf)
+	r, err = l.request(247, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11036,10 +11036,10 @@ func (l *Libvirt) DomainSnapshotListChildrenNames(Snap DomainSnapshot, Maxnames
 
 // DomainEventDiskChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_DISK_CHANGE.
 func (l *Libvirt) DomainEventDiskChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(248, constants.Program, &buf)
+	_, err = l.request(248, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11049,7 +11049,7 @@ func (l *Libvirt) DomainEventDiskChange() (err error) {
 
 // DomainOpenGraphics is the go wrapper for REMOTE_PROC_DOMAIN_OPEN_GRAPHICS.
 func (l *Libvirt) DomainOpenGraphics(Dom Domain, Idx uint32, Flags DomainOpenGraphicsFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainOpenGraphicsArgs {
 		Dom: Dom,
@@ -11063,7 +11063,7 @@ func (l *Libvirt) DomainOpenGraphics(Dom Domain, Idx uint32, Flags DomainOpenGra
 	}
 
 
-	_, err = l.request(249, constants.Program, &buf)
+	_, err = l.request(249, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11073,7 +11073,7 @@ func (l *Libvirt) DomainOpenGraphics(Dom Domain, Idx uint32, Flags DomainOpenGra
 
 // NodeSuspendForDuration is the go wrapper for REMOTE_PROC_NODE_SUSPEND_FOR_DURATION.
 func (l *Libvirt) NodeSuspendForDuration(Target uint32, Duration uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeSuspendForDurationArgs {
 		Target: Target,
@@ -11087,7 +11087,7 @@ func (l *Libvirt) NodeSuspendForDuration(Target uint32, Duration uint64, Flags u
 	}
 
 
-	_, err = l.request(250, constants.Program, &buf)
+	_, err = l.request(250, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11097,7 +11097,7 @@ func (l *Libvirt) NodeSuspendForDuration(Target uint32, Duration uint64, Flags u
 
 // DomainBlockResize is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_RESIZE.
 func (l *Libvirt) DomainBlockResize(Dom Domain, Disk string, Size uint64, Flags DomainBlockResizeFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockResizeArgs {
 		Dom: Dom,
@@ -11112,7 +11112,7 @@ func (l *Libvirt) DomainBlockResize(Dom Domain, Disk string, Size uint64, Flags
 	}
 
 
-	_, err = l.request(251, constants.Program, &buf)
+	_, err = l.request(251, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11122,7 +11122,7 @@ func (l *Libvirt) DomainBlockResize(Dom Domain, Disk string, Size uint64, Flags
 
 // DomainSetBlockIOTune is the go wrapper for REMOTE_PROC_DOMAIN_SET_BLOCK_IO_TUNE.
 func (l *Libvirt) DomainSetBlockIOTune(Dom Domain, Disk string, Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetBlockIOTuneArgs {
 		Dom: Dom,
@@ -11137,7 +11137,7 @@ func (l *Libvirt) DomainSetBlockIOTune(Dom Domain, Disk string, Params []TypedPa
 	}
 
 
-	_, err = l.request(252, constants.Program, &buf)
+	_, err = l.request(252, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11147,7 +11147,7 @@ func (l *Libvirt) DomainSetBlockIOTune(Dom Domain, Disk string, Params []TypedPa
 
 // DomainGetBlockIOTune is the go wrapper for REMOTE_PROC_DOMAIN_GET_BLOCK_IO_TUNE.
 func (l *Libvirt) DomainGetBlockIOTune(Dom Domain, Disk OptString, Nparams int32, Flags uint32) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetBlockIOTuneArgs {
 		Dom: Dom,
@@ -11162,7 +11162,7 @@ func (l *Libvirt) DomainGetBlockIOTune(Dom Domain, Disk OptString, Nparams int32
 	}
 
 	var r response
-	r, err = l.request(253, constants.Program, &buf)
+	r, err = l.request(253, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11187,7 +11187,7 @@ func (l *Libvirt) DomainGetBlockIOTune(Dom Domain, Disk OptString, Nparams int32
 
 // DomainSetNumaParameters is the go wrapper for REMOTE_PROC_DOMAIN_SET_NUMA_PARAMETERS.
 func (l *Libvirt) DomainSetNumaParameters(Dom Domain, Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetNumaParametersArgs {
 		Dom: Dom,
@@ -11201,7 +11201,7 @@ func (l *Libvirt) DomainSetNumaParameters(Dom Domain, Params []TypedParam, Flags
 	}
 
 
-	_, err = l.request(254, constants.Program, &buf)
+	_, err = l.request(254, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11211,7 +11211,7 @@ func (l *Libvirt) DomainSetNumaParameters(Dom Domain, Params []TypedParam, Flags
 
 // DomainGetNumaParameters is the go wrapper for REMOTE_PROC_DOMAIN_GET_NUMA_PARAMETERS.
 func (l *Libvirt) DomainGetNumaParameters(Dom Domain, Nparams int32, Flags uint32) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetNumaParametersArgs {
 		Dom: Dom,
@@ -11225,7 +11225,7 @@ func (l *Libvirt) DomainGetNumaParameters(Dom Domain, Nparams int32, Flags uint3
 	}
 
 	var r response
-	r, err = l.request(255, constants.Program, &buf)
+	r, err = l.request(255, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11250,7 +11250,7 @@ func (l *Libvirt) DomainGetNumaParameters(Dom Domain, Nparams int32, Flags uint3
 
 // DomainSetInterfaceParameters is the go wrapper for REMOTE_PROC_DOMAIN_SET_INTERFACE_PARAMETERS.
 func (l *Libvirt) DomainSetInterfaceParameters(Dom Domain, Device string, Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetInterfaceParametersArgs {
 		Dom: Dom,
@@ -11265,7 +11265,7 @@ func (l *Libvirt) DomainSetInterfaceParameters(Dom Domain, Device string, Params
 	}
 
 
-	_, err = l.request(256, constants.Program, &buf)
+	_, err = l.request(256, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11275,7 +11275,7 @@ func (l *Libvirt) DomainSetInterfaceParameters(Dom Domain, Device string, Params
 
 // DomainGetInterfaceParameters is the go wrapper for REMOTE_PROC_DOMAIN_GET_INTERFACE_PARAMETERS.
 func (l *Libvirt) DomainGetInterfaceParameters(Dom Domain, Device string, Nparams int32, Flags DomainModificationImpact) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetInterfaceParametersArgs {
 		Dom: Dom,
@@ -11290,7 +11290,7 @@ func (l *Libvirt) DomainGetInterfaceParameters(Dom Domain, Device string, Nparam
 	}
 
 	var r response
-	r, err = l.request(257, constants.Program, &buf)
+	r, err = l.request(257, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11315,7 +11315,7 @@ func (l *Libvirt) DomainGetInterfaceParameters(Dom Domain, Device string, Nparam
 
 // DomainShutdownFlags is the go wrapper for REMOTE_PROC_DOMAIN_SHUTDOWN_FLAGS.
 func (l *Libvirt) DomainShutdownFlags(Dom Domain, Flags DomainShutdownFlagValues) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainShutdownFlagsArgs {
 		Dom: Dom,
@@ -11328,7 +11328,7 @@ func (l *Libvirt) DomainShutdownFlags(Dom Domain, Flags DomainShutdownFlagValues
 	}
 
 
-	_, err = l.request(258, constants.Program, &buf)
+	_, err = l.request(258, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11338,7 +11338,7 @@ func (l *Libvirt) DomainShutdownFlags(Dom Domain, Flags DomainShutdownFlagValues
 
 // StorageVolWipePattern is the go wrapper for REMOTE_PROC_STORAGE_VOL_WIPE_PATTERN.
 func (l *Libvirt) StorageVolWipePattern(Vol StorageVol, Algorithm uint32, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolWipePatternArgs {
 		Vol: Vol,
@@ -11352,7 +11352,7 @@ func (l *Libvirt) StorageVolWipePattern(Vol StorageVol, Algorithm uint32, Flags
 	}
 
 
-	_, err = l.request(259, constants.Program, &buf)
+	_, err = l.request(259, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11362,7 +11362,7 @@ func (l *Libvirt) StorageVolWipePattern(Vol StorageVol, Algorithm uint32, Flags
 
 // StorageVolResize is the go wrapper for REMOTE_PROC_STORAGE_VOL_RESIZE.
 func (l *Libvirt) StorageVolResize(Vol StorageVol, Capacity uint64, Flags StorageVolResizeFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolResizeArgs {
 		Vol: Vol,
@@ -11376,7 +11376,7 @@ func (l *Libvirt) StorageVolResize(Vol StorageVol, Capacity uint64, Flags Storag
 	}
 
 
-	_, err = l.request(260, constants.Program, &buf)
+	_, err = l.request(260, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11386,7 +11386,7 @@ func (l *Libvirt) StorageVolResize(Vol StorageVol, Capacity uint64, Flags Storag
 
 // DomainPmSuspendForDuration is the go wrapper for REMOTE_PROC_DOMAIN_PM_SUSPEND_FOR_DURATION.
 func (l *Libvirt) DomainPmSuspendForDuration(Dom Domain, Target uint32, Duration uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainPmSuspendForDurationArgs {
 		Dom: Dom,
@@ -11401,7 +11401,7 @@ func (l *Libvirt) DomainPmSuspendForDuration(Dom Domain, Target uint32, Duration
 	}
 
 
-	_, err = l.request(261, constants.Program, &buf)
+	_, err = l.request(261, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11411,7 +11411,7 @@ func (l *Libvirt) DomainPmSuspendForDuration(Dom Domain, Target uint32, Duration
 
 // DomainGetCPUStats is the go wrapper for REMOTE_PROC_DOMAIN_GET_CPU_STATS.
 func (l *Libvirt) DomainGetCPUStats(Dom Domain, Nparams uint32, StartCPU int32, Ncpus uint32, Flags TypedParameterFlags) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetCPUStatsArgs {
 		Dom: Dom,
@@ -11427,7 +11427,7 @@ func (l *Libvirt) DomainGetCPUStats(Dom Domain, Nparams uint32, StartCPU int32,
 	}
 
 	var r response
-	r, err = l.request(262, constants.Program, &buf)
+	r, err = l.request(262, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11452,7 +11452,7 @@ func (l *Libvirt) DomainGetCPUStats(Dom Domain, Nparams uint32, StartCPU int32,
 
 // DomainGetDiskErrors is the go wrapper for REMOTE_PROC_DOMAIN_GET_DISK_ERRORS.
 func (l *Libvirt) DomainGetDiskErrors(Dom Domain, Maxerrors uint32, Flags uint32) (rErrors []DomainDiskError, rNerrors int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetDiskErrorsArgs {
 		Dom: Dom,
@@ -11466,7 +11466,7 @@ func (l *Libvirt) DomainGetDiskErrors(Dom Domain, Maxerrors uint32, Flags uint32
 	}
 
 	var r response
-	r, err = l.request(263, constants.Program, &buf)
+	r, err = l.request(263, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11490,7 +11490,7 @@ func (l *Libvirt) DomainGetDiskErrors(Dom Domain, Maxerrors uint32, Flags uint32
 
 // DomainSetMetadata is the go wrapper for REMOTE_PROC_DOMAIN_SET_METADATA.
 func (l *Libvirt) DomainSetMetadata(Dom Domain, Type int32, Metadata OptString, Key OptString, Uri OptString, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetMetadataArgs {
 		Dom: Dom,
@@ -11507,7 +11507,7 @@ func (l *Libvirt) DomainSetMetadata(Dom Domain, Type int32, Metadata OptString,
 	}
 
 
-	_, err = l.request(264, constants.Program, &buf)
+	_, err = l.request(264, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11517,7 +11517,7 @@ func (l *Libvirt) DomainSetMetadata(Dom Domain, Type int32, Metadata OptString,
 
 // DomainGetMetadata is the go wrapper for REMOTE_PROC_DOMAIN_GET_METADATA.
 func (l *Libvirt) DomainGetMetadata(Dom Domain, Type int32, Uri OptString, Flags DomainModificationImpact) (rMetadata string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetMetadataArgs {
 		Dom: Dom,
@@ -11532,7 +11532,7 @@ func (l *Libvirt) DomainGetMetadata(Dom Domain, Type int32, Uri OptString, Flags
 	}
 
 	var r response
-	r, err = l.request(265, constants.Program, &buf)
+	r, err = l.request(265, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11551,7 +11551,7 @@ func (l *Libvirt) DomainGetMetadata(Dom Domain, Type int32, Uri OptString, Flags
 
 // DomainBlockRebase is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_REBASE.
 func (l *Libvirt) DomainBlockRebase(Dom Domain, Path string, Base OptString, Bandwidth uint64, Flags DomainBlockRebaseFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockRebaseArgs {
 		Dom: Dom,
@@ -11567,7 +11567,7 @@ func (l *Libvirt) DomainBlockRebase(Dom Domain, Path string, Base OptString, Ban
 	}
 
 
-	_, err = l.request(266, constants.Program, &buf)
+	_, err = l.request(266, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11577,7 +11577,7 @@ func (l *Libvirt) DomainBlockRebase(Dom Domain, Path string, Base OptString, Ban
 
 // DomainPmWakeup is the go wrapper for REMOTE_PROC_DOMAIN_PM_WAKEUP.
 func (l *Libvirt) DomainPmWakeup(Dom Domain, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainPmWakeupArgs {
 		Dom: Dom,
@@ -11590,7 +11590,7 @@ func (l *Libvirt) DomainPmWakeup(Dom Domain, Flags uint32) (err error) {
 	}
 
 
-	_, err = l.request(267, constants.Program, &buf)
+	_, err = l.request(267, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11600,10 +11600,10 @@ func (l *Libvirt) DomainPmWakeup(Dom Domain, Flags uint32) (err error) {
 
 // DomainEventTrayChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_TRAY_CHANGE.
 func (l *Libvirt) DomainEventTrayChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(268, constants.Program, &buf)
+	_, err = l.request(268, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11613,10 +11613,10 @@ func (l *Libvirt) DomainEventTrayChange() (err error) {
 
 // DomainEventPmwakeup is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_PMWAKEUP.
 func (l *Libvirt) DomainEventPmwakeup() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(269, constants.Program, &buf)
+	_, err = l.request(269, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11626,10 +11626,10 @@ func (l *Libvirt) DomainEventPmwakeup() (err error) {
 
 // DomainEventPmsuspend is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND.
 func (l *Libvirt) DomainEventPmsuspend() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(270, constants.Program, &buf)
+	_, err = l.request(270, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11639,7 +11639,7 @@ func (l *Libvirt) DomainEventPmsuspend() (err error) {
 
 // DomainSnapshotIsCurrent is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_IS_CURRENT.
 func (l *Libvirt) DomainSnapshotIsCurrent(Snap DomainSnapshot, Flags uint32) (rCurrent int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotIsCurrentArgs {
 		Snap: Snap,
@@ -11652,7 +11652,7 @@ func (l *Libvirt) DomainSnapshotIsCurrent(Snap DomainSnapshot, Flags uint32) (rC
 	}
 
 	var r response
-	r, err = l.request(271, constants.Program, &buf)
+	r, err = l.request(271, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11671,7 +11671,7 @@ func (l *Libvirt) DomainSnapshotIsCurrent(Snap DomainSnapshot, Flags uint32) (rC
 
 // DomainSnapshotHasMetadata is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_HAS_METADATA.
 func (l *Libvirt) DomainSnapshotHasMetadata(Snap DomainSnapshot, Flags uint32) (rMetadata int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotHasMetadataArgs {
 		Snap: Snap,
@@ -11684,7 +11684,7 @@ func (l *Libvirt) DomainSnapshotHasMetadata(Snap DomainSnapshot, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(272, constants.Program, &buf)
+	r, err = l.request(272, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11703,7 +11703,7 @@ func (l *Libvirt) DomainSnapshotHasMetadata(Snap DomainSnapshot, Flags uint32) (
 
 // ConnectListAllDomains is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_DOMAINS.
 func (l *Libvirt) ConnectListAllDomains(NeedResults int32, Flags ConnectListAllDomainsFlags) (rDomains []Domain, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllDomainsArgs {
 		NeedResults: NeedResults,
@@ -11716,7 +11716,7 @@ func (l *Libvirt) ConnectListAllDomains(NeedResults int32, Flags ConnectListAllD
 	}
 
 	var r response
-	r, err = l.request(273, constants.Program, &buf)
+	r, err = l.request(273, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11740,7 +11740,7 @@ func (l *Libvirt) ConnectListAllDomains(NeedResults int32, Flags ConnectListAllD
 
 // DomainListAllSnapshots is the go wrapper for REMOTE_PROC_DOMAIN_LIST_ALL_SNAPSHOTS.
 func (l *Libvirt) DomainListAllSnapshots(Dom Domain, NeedResults int32, Flags uint32) (rSnapshots []DomainSnapshot, rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainListAllSnapshotsArgs {
 		Dom: Dom,
@@ -11754,7 +11754,7 @@ func (l *Libvirt) DomainListAllSnapshots(Dom Domain, NeedResults int32, Flags ui
 	}
 
 	var r response
-	r, err = l.request(274, constants.Program, &buf)
+	r, err = l.request(274, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11778,7 +11778,7 @@ func (l *Libvirt) DomainListAllSnapshots(Dom Domain, NeedResults int32, Flags ui
 
 // DomainSnapshotListAllChildren is the go wrapper for REMOTE_PROC_DOMAIN_SNAPSHOT_LIST_ALL_CHILDREN.
 func (l *Libvirt) DomainSnapshotListAllChildren(Snapshot DomainSnapshot, NeedResults int32, Flags uint32) (rSnapshots []DomainSnapshot, rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSnapshotListAllChildrenArgs {
 		Snapshot: Snapshot,
@@ -11792,7 +11792,7 @@ func (l *Libvirt) DomainSnapshotListAllChildren(Snapshot DomainSnapshot, NeedRes
 	}
 
 	var r response
-	r, err = l.request(275, constants.Program, &buf)
+	r, err = l.request(275, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11816,10 +11816,10 @@ func (l *Libvirt) DomainSnapshotListAllChildren(Snapshot DomainSnapshot, NeedRes
 
 // DomainEventBalloonChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_BALLOON_CHANGE.
 func (l *Libvirt) DomainEventBalloonChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(276, constants.Program, &buf)
+	_, err = l.request(276, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11829,7 +11829,7 @@ func (l *Libvirt) DomainEventBalloonChange() (err error) {
 
 // DomainGetHostname is the go wrapper for REMOTE_PROC_DOMAIN_GET_HOSTNAME.
 func (l *Libvirt) DomainGetHostname(Dom Domain, Flags uint32) (rHostname string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetHostnameArgs {
 		Dom: Dom,
@@ -11842,7 +11842,7 @@ func (l *Libvirt) DomainGetHostname(Dom Domain, Flags uint32) (rHostname string,
 	}
 
 	var r response
-	r, err = l.request(277, constants.Program, &buf)
+	r, err = l.request(277, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11861,7 +11861,7 @@ func (l *Libvirt) DomainGetHostname(Dom Domain, Flags uint32) (rHostname string,
 
 // DomainGetSecurityLabelList is the go wrapper for REMOTE_PROC_DOMAIN_GET_SECURITY_LABEL_LIST.
 func (l *Libvirt) DomainGetSecurityLabelList(Dom Domain) (rLabels []DomainGetSecurityLabelRet, rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetSecurityLabelListArgs {
 		Dom: Dom,
@@ -11873,7 +11873,7 @@ func (l *Libvirt) DomainGetSecurityLabelList(Dom Domain) (rLabels []DomainGetSec
 	}
 
 	var r response
-	r, err = l.request(278, constants.Program, &buf)
+	r, err = l.request(278, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11897,7 +11897,7 @@ func (l *Libvirt) DomainGetSecurityLabelList(Dom Domain) (rLabels []DomainGetSec
 
 // DomainPinEmulator is the go wrapper for REMOTE_PROC_DOMAIN_PIN_EMULATOR.
 func (l *Libvirt) DomainPinEmulator(Dom Domain, Cpumap []byte, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainPinEmulatorArgs {
 		Dom: Dom,
@@ -11911,7 +11911,7 @@ func (l *Libvirt) DomainPinEmulator(Dom Domain, Cpumap []byte, Flags DomainModif
 	}
 
 
-	_, err = l.request(279, constants.Program, &buf)
+	_, err = l.request(279, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11921,7 +11921,7 @@ func (l *Libvirt) DomainPinEmulator(Dom Domain, Cpumap []byte, Flags DomainModif
 
 // DomainGetEmulatorPinInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_EMULATOR_PIN_INFO.
 func (l *Libvirt) DomainGetEmulatorPinInfo(Dom Domain, Maplen int32, Flags DomainModificationImpact) (rCpumaps []byte, rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetEmulatorPinInfoArgs {
 		Dom: Dom,
@@ -11935,7 +11935,7 @@ func (l *Libvirt) DomainGetEmulatorPinInfo(Dom Domain, Maplen int32, Flags Domai
 	}
 
 	var r response
-	r, err = l.request(280, constants.Program, &buf)
+	r, err = l.request(280, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11959,7 +11959,7 @@ func (l *Libvirt) DomainGetEmulatorPinInfo(Dom Domain, Maplen int32, Flags Domai
 
 // ConnectListAllStoragePools is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_STORAGE_POOLS.
 func (l *Libvirt) ConnectListAllStoragePools(NeedResults int32, Flags ConnectListAllStoragePoolsFlags) (rPools []StoragePool, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllStoragePoolsArgs {
 		NeedResults: NeedResults,
@@ -11972,7 +11972,7 @@ func (l *Libvirt) ConnectListAllStoragePools(NeedResults int32, Flags ConnectLis
 	}
 
 	var r response
-	r, err = l.request(281, constants.Program, &buf)
+	r, err = l.request(281, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -11996,7 +11996,7 @@ func (l *Libvirt) ConnectListAllStoragePools(NeedResults int32, Flags ConnectLis
 
 // StoragePoolListAllVolumes is the go wrapper for REMOTE_PROC_STORAGE_POOL_LIST_ALL_VOLUMES.
 func (l *Libvirt) StoragePoolListAllVolumes(Pool StoragePool, NeedResults int32, Flags uint32) (rVols []StorageVol, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StoragePoolListAllVolumesArgs {
 		Pool: Pool,
@@ -12010,7 +12010,7 @@ func (l *Libvirt) StoragePoolListAllVolumes(Pool StoragePool, NeedResults int32,
 	}
 
 	var r response
-	r, err = l.request(282, constants.Program, &buf)
+	r, err = l.request(282, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12034,7 +12034,7 @@ func (l *Libvirt) StoragePoolListAllVolumes(Pool StoragePool, NeedResults int32,
 
 // ConnectListAllNetworks is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS.
 func (l *Libvirt) ConnectListAllNetworks(NeedResults int32, Flags ConnectListAllNetworksFlags) (rNets []Network, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllNetworksArgs {
 		NeedResults: NeedResults,
@@ -12047,7 +12047,7 @@ func (l *Libvirt) ConnectListAllNetworks(NeedResults int32, Flags ConnectListAll
 	}
 
 	var r response
-	r, err = l.request(283, constants.Program, &buf)
+	r, err = l.request(283, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12071,7 +12071,7 @@ func (l *Libvirt) ConnectListAllNetworks(NeedResults int32, Flags ConnectListAll
 
 // ConnectListAllInterfaces is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_INTERFACES.
 func (l *Libvirt) ConnectListAllInterfaces(NeedResults int32, Flags ConnectListAllInterfacesFlags) (rIfaces []Interface, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllInterfacesArgs {
 		NeedResults: NeedResults,
@@ -12084,7 +12084,7 @@ func (l *Libvirt) ConnectListAllInterfaces(NeedResults int32, Flags ConnectListA
 	}
 
 	var r response
-	r, err = l.request(284, constants.Program, &buf)
+	r, err = l.request(284, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12108,7 +12108,7 @@ func (l *Libvirt) ConnectListAllInterfaces(NeedResults int32, Flags ConnectListA
 
 // ConnectListAllNodeDevices is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_NODE_DEVICES.
 func (l *Libvirt) ConnectListAllNodeDevices(NeedResults int32, Flags uint32) (rDevices []NodeDevice, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllNodeDevicesArgs {
 		NeedResults: NeedResults,
@@ -12121,7 +12121,7 @@ func (l *Libvirt) ConnectListAllNodeDevices(NeedResults int32, Flags uint32) (rD
 	}
 
 	var r response
-	r, err = l.request(285, constants.Program, &buf)
+	r, err = l.request(285, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12145,7 +12145,7 @@ func (l *Libvirt) ConnectListAllNodeDevices(NeedResults int32, Flags uint32) (rD
 
 // ConnectListAllNwfilters is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_NWFILTERS.
 func (l *Libvirt) ConnectListAllNwfilters(NeedResults int32, Flags uint32) (rFilters []Nwfilter, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllNwfiltersArgs {
 		NeedResults: NeedResults,
@@ -12158,7 +12158,7 @@ func (l *Libvirt) ConnectListAllNwfilters(NeedResults int32, Flags uint32) (rFil
 	}
 
 	var r response
-	r, err = l.request(286, constants.Program, &buf)
+	r, err = l.request(286, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12182,7 +12182,7 @@ func (l *Libvirt) ConnectListAllNwfilters(NeedResults int32, Flags uint32) (rFil
 
 // ConnectListAllSecrets is the go wrapper for REMOTE_PROC_CONNECT_LIST_ALL_SECRETS.
 func (l *Libvirt) ConnectListAllSecrets(NeedResults int32, Flags ConnectListAllSecretsFlags) (rSecrets []Secret, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectListAllSecretsArgs {
 		NeedResults: NeedResults,
@@ -12195,7 +12195,7 @@ func (l *Libvirt) ConnectListAllSecrets(NeedResults int32, Flags ConnectListAllS
 	}
 
 	var r response
-	r, err = l.request(287, constants.Program, &buf)
+	r, err = l.request(287, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12219,7 +12219,7 @@ func (l *Libvirt) ConnectListAllSecrets(NeedResults int32, Flags ConnectListAllS
 
 // NodeSetMemoryParameters is the go wrapper for REMOTE_PROC_NODE_SET_MEMORY_PARAMETERS.
 func (l *Libvirt) NodeSetMemoryParameters(Params []TypedParam, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeSetMemoryParametersArgs {
 		Params: Params,
@@ -12232,7 +12232,7 @@ func (l *Libvirt) NodeSetMemoryParameters(Params []TypedParam, Flags uint32) (er
 	}
 
 
-	_, err = l.request(288, constants.Program, &buf)
+	_, err = l.request(288, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12242,7 +12242,7 @@ func (l *Libvirt) NodeSetMemoryParameters(Params []TypedParam, Flags uint32) (er
 
 // NodeGetMemoryParameters is the go wrapper for REMOTE_PROC_NODE_GET_MEMORY_PARAMETERS.
 func (l *Libvirt) NodeGetMemoryParameters(Nparams int32, Flags uint32) (rParams []TypedParam, rNparams int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeGetMemoryParametersArgs {
 		Nparams: Nparams,
@@ -12255,7 +12255,7 @@ func (l *Libvirt) NodeGetMemoryParameters(Nparams int32, Flags uint32) (rParams
 	}
 
 	var r response
-	r, err = l.request(289, constants.Program, &buf)
+	r, err = l.request(289, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12280,7 +12280,7 @@ func (l *Libvirt) NodeGetMemoryParameters(Nparams int32, Flags uint32) (rParams
 
 // DomainBlockCommit is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_COMMIT.
 func (l *Libvirt) DomainBlockCommit(Dom Domain, Disk string, Base OptString, Top OptString, Bandwidth uint64, Flags DomainBlockCommitFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockCommitArgs {
 		Dom: Dom,
@@ -12297,7 +12297,7 @@ func (l *Libvirt) DomainBlockCommit(Dom Domain, Disk string, Base OptString, Top
 	}
 
 
-	_, err = l.request(290, constants.Program, &buf)
+	_, err = l.request(290, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12307,7 +12307,7 @@ func (l *Libvirt) DomainBlockCommit(Dom Domain, Disk string, Base OptString, Top
 
 // NetworkUpdate is the go wrapper for REMOTE_PROC_NETWORK_UPDATE.
 func (l *Libvirt) NetworkUpdate(Net Network, Command uint32, Section uint32, ParentIndex int32, XML string, Flags NetworkUpdateFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkUpdateArgs {
 		Net: Net,
@@ -12324,7 +12324,7 @@ func (l *Libvirt) NetworkUpdate(Net Network, Command uint32, Section uint32, Par
 	}
 
 
-	_, err = l.request(291, constants.Program, &buf)
+	_, err = l.request(291, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12334,10 +12334,10 @@ func (l *Libvirt) NetworkUpdate(Net Network, Command uint32, Section uint32, Par
 
 // DomainEventPmsuspendDisk is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND_DISK.
 func (l *Libvirt) DomainEventPmsuspendDisk() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(292, constants.Program, &buf)
+	_, err = l.request(292, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12347,7 +12347,7 @@ func (l *Libvirt) DomainEventPmsuspendDisk() (err error) {
 
 // NodeGetCPUMap is the go wrapper for REMOTE_PROC_NODE_GET_CPU_MAP.
 func (l *Libvirt) NodeGetCPUMap(NeedMap int32, NeedOnline int32, Flags uint32) (rCpumap []byte, rOnline uint32, rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeGetCPUMapArgs {
 		NeedMap: NeedMap,
@@ -12361,7 +12361,7 @@ func (l *Libvirt) NodeGetCPUMap(NeedMap int32, NeedOnline int32, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(293, constants.Program, &buf)
+	r, err = l.request(293, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12390,7 +12390,7 @@ func (l *Libvirt) NodeGetCPUMap(NeedMap int32, NeedOnline int32, Flags uint32) (
 
 // DomainFstrim is the go wrapper for REMOTE_PROC_DOMAIN_FSTRIM.
 func (l *Libvirt) DomainFstrim(Dom Domain, MountPoint OptString, Minimum uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainFstrimArgs {
 		Dom: Dom,
@@ -12405,7 +12405,7 @@ func (l *Libvirt) DomainFstrim(Dom Domain, MountPoint OptString, Minimum uint64,
 	}
 
 
-	_, err = l.request(294, constants.Program, &buf)
+	_, err = l.request(294, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12415,7 +12415,7 @@ func (l *Libvirt) DomainFstrim(Dom Domain, MountPoint OptString, Minimum uint64,
 
 // DomainSendProcessSignal is the go wrapper for REMOTE_PROC_DOMAIN_SEND_PROCESS_SIGNAL.
 func (l *Libvirt) DomainSendProcessSignal(Dom Domain, PidValue int64, Signum uint32, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSendProcessSignalArgs {
 		Dom: Dom,
@@ -12430,7 +12430,7 @@ func (l *Libvirt) DomainSendProcessSignal(Dom Domain, PidValue int64, Signum uin
 	}
 
 
-	_, err = l.request(295, constants.Program, &buf)
+	_, err = l.request(295, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12440,7 +12440,7 @@ func (l *Libvirt) DomainSendProcessSignal(Dom Domain, PidValue int64, Signum uin
 
 // DomainOpenChannel is the go wrapper for REMOTE_PROC_DOMAIN_OPEN_CHANNEL.
 func (l *Libvirt) DomainOpenChannel(Dom Domain, Name OptString, Flags DomainChannelFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainOpenChannelArgs {
 		Dom: Dom,
@@ -12454,7 +12454,7 @@ func (l *Libvirt) DomainOpenChannel(Dom Domain, Name OptString, Flags DomainChan
 	}
 
 
-	_, err = l.request(296, constants.Program, &buf)
+	_, err = l.request(296, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12464,7 +12464,7 @@ func (l *Libvirt) DomainOpenChannel(Dom Domain, Name OptString, Flags DomainChan
 
 // NodeDeviceLookupScsiHostByWwn is the go wrapper for REMOTE_PROC_NODE_DEVICE_LOOKUP_SCSI_HOST_BY_WWN.
 func (l *Libvirt) NodeDeviceLookupScsiHostByWwn(Wwnn string, Wwpn string, Flags uint32) (rDev NodeDevice, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceLookupScsiHostByWwnArgs {
 		Wwnn: Wwnn,
@@ -12478,7 +12478,7 @@ func (l *Libvirt) NodeDeviceLookupScsiHostByWwn(Wwnn string, Wwpn string, Flags
 	}
 
 	var r response
-	r, err = l.request(297, constants.Program, &buf)
+	r, err = l.request(297, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12497,7 +12497,7 @@ func (l *Libvirt) NodeDeviceLookupScsiHostByWwn(Wwnn string, Wwpn string, Flags
 
 // DomainGetJobStats is the go wrapper for REMOTE_PROC_DOMAIN_GET_JOB_STATS.
 func (l *Libvirt) DomainGetJobStats(Dom Domain, Flags DomainGetJobStatsFlags) (rType int32, rParams []TypedParam, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetJobStatsArgs {
 		Dom: Dom,
@@ -12510,7 +12510,7 @@ func (l *Libvirt) DomainGetJobStats(Dom Domain, Flags DomainGetJobStatsFlags) (r
 	}
 
 	var r response
-	r, err = l.request(298, constants.Program, &buf)
+	r, err = l.request(298, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12535,7 +12535,7 @@ func (l *Libvirt) DomainGetJobStats(Dom Domain, Flags DomainGetJobStatsFlags) (r
 
 // DomainMigrateGetCompressionCache is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_GET_COMPRESSION_CACHE.
 func (l *Libvirt) DomainMigrateGetCompressionCache(Dom Domain, Flags uint32) (rCacheSize uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateGetCompressionCacheArgs {
 		Dom: Dom,
@@ -12548,7 +12548,7 @@ func (l *Libvirt) DomainMigrateGetCompressionCache(Dom Domain, Flags uint32) (rC
 	}
 
 	var r response
-	r, err = l.request(299, constants.Program, &buf)
+	r, err = l.request(299, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12567,7 +12567,7 @@ func (l *Libvirt) DomainMigrateGetCompressionCache(Dom Domain, Flags uint32) (rC
 
 // DomainMigrateSetCompressionCache is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_SET_COMPRESSION_CACHE.
 func (l *Libvirt) DomainMigrateSetCompressionCache(Dom Domain, CacheSize uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateSetCompressionCacheArgs {
 		Dom: Dom,
@@ -12581,7 +12581,7 @@ func (l *Libvirt) DomainMigrateSetCompressionCache(Dom Domain, CacheSize uint64,
 	}
 
 
-	_, err = l.request(300, constants.Program, &buf)
+	_, err = l.request(300, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12591,7 +12591,7 @@ func (l *Libvirt) DomainMigrateSetCompressionCache(Dom Domain, CacheSize uint64,
 
 // NodeDeviceDetachFlags is the go wrapper for REMOTE_PROC_NODE_DEVICE_DETACH_FLAGS.
 func (l *Libvirt) NodeDeviceDetachFlags(Name string, DriverName OptString, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeDeviceDetachFlagsArgs {
 		Name: Name,
@@ -12605,7 +12605,7 @@ func (l *Libvirt) NodeDeviceDetachFlags(Name string, DriverName OptString, Flags
 	}
 
 
-	_, err = l.request(301, constants.Program, &buf)
+	_, err = l.request(301, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12615,7 +12615,7 @@ func (l *Libvirt) NodeDeviceDetachFlags(Name string, DriverName OptString, Flags
 
 // DomainMigrateBegin3Params is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_BEGIN3_PARAMS.
 func (l *Libvirt) DomainMigrateBegin3Params(Dom Domain, Params []TypedParam, Flags uint32) (rCookieOut []byte, rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateBegin3ParamsArgs {
 		Dom: Dom,
@@ -12629,7 +12629,7 @@ func (l *Libvirt) DomainMigrateBegin3Params(Dom Domain, Params []TypedParam, Fla
 	}
 
 	var r response
-	r, err = l.request(302, constants.Program, &buf)
+	r, err = l.request(302, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12653,7 +12653,7 @@ func (l *Libvirt) DomainMigrateBegin3Params(Dom Domain, Params []TypedParam, Fla
 
 // DomainMigratePrepare3Params is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE3_PARAMS.
 func (l *Libvirt) DomainMigratePrepare3Params(Params []TypedParam, CookieIn []byte, Flags uint32) (rCookieOut []byte, rUriOut OptString, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepare3ParamsArgs {
 		Params: Params,
@@ -12667,7 +12667,7 @@ func (l *Libvirt) DomainMigratePrepare3Params(Params []TypedParam, CookieIn []by
 	}
 
 	var r response
-	r, err = l.request(303, constants.Program, &buf)
+	r, err = l.request(303, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12691,7 +12691,7 @@ func (l *Libvirt) DomainMigratePrepare3Params(Params []TypedParam, CookieIn []by
 
 // DomainMigratePrepareTunnel3Params is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3_PARAMS.
 func (l *Libvirt) DomainMigratePrepareTunnel3Params(Params []TypedParam, CookieIn []byte, Flags uint32) (rCookieOut []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePrepareTunnel3ParamsArgs {
 		Params: Params,
@@ -12705,7 +12705,7 @@ func (l *Libvirt) DomainMigratePrepareTunnel3Params(Params []TypedParam, CookieI
 	}
 
 	var r response
-	r, err = l.request(304, constants.Program, &buf)
+	r, err = l.request(304, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12724,7 +12724,7 @@ func (l *Libvirt) DomainMigratePrepareTunnel3Params(Params []TypedParam, CookieI
 
 // DomainMigratePerform3Params is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_PERFORM3_PARAMS.
 func (l *Libvirt) DomainMigratePerform3Params(Dom Domain, Dconnuri OptString, Params []TypedParam, CookieIn []byte, Flags DomainMigrateFlags) (rCookieOut []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigratePerform3ParamsArgs {
 		Dom: Dom,
@@ -12740,7 +12740,7 @@ func (l *Libvirt) DomainMigratePerform3Params(Dom Domain, Dconnuri OptString, Pa
 	}
 
 	var r response
-	r, err = l.request(305, constants.Program, &buf)
+	r, err = l.request(305, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12759,7 +12759,7 @@ func (l *Libvirt) DomainMigratePerform3Params(Dom Domain, Dconnuri OptString, Pa
 
 // DomainMigrateFinish3Params is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_FINISH3_PARAMS.
 func (l *Libvirt) DomainMigrateFinish3Params(Params []TypedParam, CookieIn []byte, Flags uint32, Cancelled int32) (rDom Domain, rCookieOut []byte, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateFinish3ParamsArgs {
 		Params: Params,
@@ -12774,7 +12774,7 @@ func (l *Libvirt) DomainMigrateFinish3Params(Params []TypedParam, CookieIn []byt
 	}
 
 	var r response
-	r, err = l.request(306, constants.Program, &buf)
+	r, err = l.request(306, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12798,7 +12798,7 @@ func (l *Libvirt) DomainMigrateFinish3Params(Params []TypedParam, CookieIn []byt
 
 // DomainMigrateConfirm3Params is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_CONFIRM3_PARAMS.
 func (l *Libvirt) DomainMigrateConfirm3Params(Dom Domain, Params []TypedParam, CookieIn []byte, Flags uint32, Cancelled int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateConfirm3ParamsArgs {
 		Dom: Dom,
@@ -12814,7 +12814,7 @@ func (l *Libvirt) DomainMigrateConfirm3Params(Dom Domain, Params []TypedParam, C
 	}
 
 
-	_, err = l.request(307, constants.Program, &buf)
+	_, err = l.request(307, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12824,7 +12824,7 @@ func (l *Libvirt) DomainMigrateConfirm3Params(Dom Domain, Params []TypedParam, C
 
 // DomainSetMemoryStatsPeriod is the go wrapper for REMOTE_PROC_DOMAIN_SET_MEMORY_STATS_PERIOD.
 func (l *Libvirt) DomainSetMemoryStatsPeriod(Dom Domain, Period int32, Flags DomainMemoryModFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetMemoryStatsPeriodArgs {
 		Dom: Dom,
@@ -12838,7 +12838,7 @@ func (l *Libvirt) DomainSetMemoryStatsPeriod(Dom Domain, Period int32, Flags Dom
 	}
 
 
-	_, err = l.request(308, constants.Program, &buf)
+	_, err = l.request(308, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12848,7 +12848,7 @@ func (l *Libvirt) DomainSetMemoryStatsPeriod(Dom Domain, Period int32, Flags Dom
 
 // DomainCreateXMLWithFiles is the go wrapper for REMOTE_PROC_DOMAIN_CREATE_XML_WITH_FILES.
 func (l *Libvirt) DomainCreateXMLWithFiles(XMLDesc string, Flags DomainCreateFlags) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCreateXMLWithFilesArgs {
 		XMLDesc: XMLDesc,
@@ -12861,7 +12861,7 @@ func (l *Libvirt) DomainCreateXMLWithFiles(XMLDesc string, Flags DomainCreateFla
 	}
 
 	var r response
-	r, err = l.request(309, constants.Program, &buf)
+	r, err = l.request(309, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12880,7 +12880,7 @@ func (l *Libvirt) DomainCreateXMLWithFiles(XMLDesc string, Flags DomainCreateFla
 
 // DomainCreateWithFiles is the go wrapper for REMOTE_PROC_DOMAIN_CREATE_WITH_FILES.
 func (l *Libvirt) DomainCreateWithFiles(Dom Domain, Flags DomainCreateFlags) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCreateWithFilesArgs {
 		Dom: Dom,
@@ -12893,7 +12893,7 @@ func (l *Libvirt) DomainCreateWithFiles(Dom Domain, Flags DomainCreateFlags) (rD
 	}
 
 	var r response
-	r, err = l.request(310, constants.Program, &buf)
+	r, err = l.request(310, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12912,10 +12912,10 @@ func (l *Libvirt) DomainCreateWithFiles(Dom Domain, Flags DomainCreateFlags) (rD
 
 // DomainEventDeviceRemoved is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_DEVICE_REMOVED.
 func (l *Libvirt) DomainEventDeviceRemoved() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(311, constants.Program, &buf)
+	_, err = l.request(311, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12925,7 +12925,7 @@ func (l *Libvirt) DomainEventDeviceRemoved() (err error) {
 
 // ConnectGetCPUModelNames is the go wrapper for REMOTE_PROC_CONNECT_GET_CPU_MODEL_NAMES.
 func (l *Libvirt) ConnectGetCPUModelNames(Arch string, NeedResults int32, Flags uint32) (rModels []string, rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectGetCPUModelNamesArgs {
 		Arch: Arch,
@@ -12939,7 +12939,7 @@ func (l *Libvirt) ConnectGetCPUModelNames(Arch string, NeedResults int32, Flags
 	}
 
 	var r response
-	r, err = l.request(312, constants.Program, &buf)
+	r, err = l.request(312, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12963,7 +12963,7 @@ func (l *Libvirt) ConnectGetCPUModelNames(Arch string, NeedResults int32, Flags
 
 // ConnectNetworkEventRegisterAny is the go wrapper for REMOTE_PROC_CONNECT_NETWORK_EVENT_REGISTER_ANY.
 func (l *Libvirt) ConnectNetworkEventRegisterAny(EventID int32, Net OptNetwork) (rCallbackID int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectNetworkEventRegisterAnyArgs {
 		EventID: EventID,
@@ -12976,7 +12976,7 @@ func (l *Libvirt) ConnectNetworkEventRegisterAny(EventID int32, Net OptNetwork)
 	}
 
 	var r response
-	r, err = l.request(313, constants.Program, &buf)
+	r, err = l.request(313, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -12995,7 +12995,7 @@ func (l *Libvirt) ConnectNetworkEventRegisterAny(EventID int32, Net OptNetwork)
 
 // ConnectNetworkEventDeregisterAny is the go wrapper for REMOTE_PROC_CONNECT_NETWORK_EVENT_DEREGISTER_ANY.
 func (l *Libvirt) ConnectNetworkEventDeregisterAny(CallbackID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectNetworkEventDeregisterAnyArgs {
 		CallbackID: CallbackID,
@@ -13007,7 +13007,7 @@ func (l *Libvirt) ConnectNetworkEventDeregisterAny(CallbackID int32) (err error)
 	}
 
 
-	_, err = l.request(314, constants.Program, &buf)
+	_, err = l.request(314, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13017,10 +13017,10 @@ func (l *Libvirt) ConnectNetworkEventDeregisterAny(CallbackID int32) (err error)
 
 // NetworkEventLifecycle is the go wrapper for REMOTE_PROC_NETWORK_EVENT_LIFECYCLE.
 func (l *Libvirt) NetworkEventLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(315, constants.Program, &buf)
+	_, err = l.request(315, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13030,7 +13030,7 @@ func (l *Libvirt) NetworkEventLifecycle() (err error) {
 
 // ConnectDomainEventCallbackRegisterAny is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_EVENT_CALLBACK_REGISTER_ANY.
 func (l *Libvirt) ConnectDomainEventCallbackRegisterAny(EventID int32, Dom OptDomain) (rCallbackID int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectDomainEventCallbackRegisterAnyArgs {
 		EventID: EventID,
@@ -13043,7 +13043,7 @@ func (l *Libvirt) ConnectDomainEventCallbackRegisterAny(EventID int32, Dom OptDo
 	}
 
 	var r response
-	r, err = l.request(316, constants.Program, &buf)
+	r, err = l.request(316, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13062,7 +13062,7 @@ func (l *Libvirt) ConnectDomainEventCallbackRegisterAny(EventID int32, Dom OptDo
 
 // ConnectDomainEventCallbackDeregisterAny is the go wrapper for REMOTE_PROC_CONNECT_DOMAIN_EVENT_CALLBACK_DEREGISTER_ANY.
 func (l *Libvirt) ConnectDomainEventCallbackDeregisterAny(CallbackID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectDomainEventCallbackDeregisterAnyArgs {
 		CallbackID: CallbackID,
@@ -13074,7 +13074,7 @@ func (l *Libvirt) ConnectDomainEventCallbackDeregisterAny(CallbackID int32) (err
 	}
 
 
-	_, err = l.request(317, constants.Program, &buf)
+	_, err = l.request(317, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13084,10 +13084,10 @@ func (l *Libvirt) ConnectDomainEventCallbackDeregisterAny(CallbackID int32) (err
 
 // DomainEventCallbackLifecycle is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_LIFECYCLE.
 func (l *Libvirt) DomainEventCallbackLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(318, constants.Program, &buf)
+	_, err = l.request(318, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13097,10 +13097,10 @@ func (l *Libvirt) DomainEventCallbackLifecycle() (err error) {
 
 // DomainEventCallbackReboot is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_REBOOT.
 func (l *Libvirt) DomainEventCallbackReboot() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(319, constants.Program, &buf)
+	_, err = l.request(319, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13110,10 +13110,10 @@ func (l *Libvirt) DomainEventCallbackReboot() (err error) {
 
 // DomainEventCallbackRtcChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_RTC_CHANGE.
 func (l *Libvirt) DomainEventCallbackRtcChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(320, constants.Program, &buf)
+	_, err = l.request(320, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13123,10 +13123,10 @@ func (l *Libvirt) DomainEventCallbackRtcChange() (err error) {
 
 // DomainEventCallbackWatchdog is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_WATCHDOG.
 func (l *Libvirt) DomainEventCallbackWatchdog() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(321, constants.Program, &buf)
+	_, err = l.request(321, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13136,10 +13136,10 @@ func (l *Libvirt) DomainEventCallbackWatchdog() (err error) {
 
 // DomainEventCallbackIOError is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_IO_ERROR.
 func (l *Libvirt) DomainEventCallbackIOError() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(322, constants.Program, &buf)
+	_, err = l.request(322, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13149,10 +13149,10 @@ func (l *Libvirt) DomainEventCallbackIOError() (err error) {
 
 // DomainEventCallbackGraphics is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_GRAPHICS.
 func (l *Libvirt) DomainEventCallbackGraphics() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(323, constants.Program, &buf)
+	_, err = l.request(323, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13162,10 +13162,10 @@ func (l *Libvirt) DomainEventCallbackGraphics() (err error) {
 
 // DomainEventCallbackIOErrorReason is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_IO_ERROR_REASON.
 func (l *Libvirt) DomainEventCallbackIOErrorReason() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(324, constants.Program, &buf)
+	_, err = l.request(324, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13175,10 +13175,10 @@ func (l *Libvirt) DomainEventCallbackIOErrorReason() (err error) {
 
 // DomainEventCallbackControlError is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_CONTROL_ERROR.
 func (l *Libvirt) DomainEventCallbackControlError() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(325, constants.Program, &buf)
+	_, err = l.request(325, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13188,10 +13188,10 @@ func (l *Libvirt) DomainEventCallbackControlError() (err error) {
 
 // DomainEventCallbackBlockJob is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_BLOCK_JOB.
 func (l *Libvirt) DomainEventCallbackBlockJob() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(326, constants.Program, &buf)
+	_, err = l.request(326, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13201,10 +13201,10 @@ func (l *Libvirt) DomainEventCallbackBlockJob() (err error) {
 
 // DomainEventCallbackDiskChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DISK_CHANGE.
 func (l *Libvirt) DomainEventCallbackDiskChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(327, constants.Program, &buf)
+	_, err = l.request(327, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13214,10 +13214,10 @@ func (l *Libvirt) DomainEventCallbackDiskChange() (err error) {
 
 // DomainEventCallbackTrayChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_TRAY_CHANGE.
 func (l *Libvirt) DomainEventCallbackTrayChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(328, constants.Program, &buf)
+	_, err = l.request(328, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13227,10 +13227,10 @@ func (l *Libvirt) DomainEventCallbackTrayChange() (err error) {
 
 // DomainEventCallbackPmwakeup is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_PMWAKEUP.
 func (l *Libvirt) DomainEventCallbackPmwakeup() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(329, constants.Program, &buf)
+	_, err = l.request(329, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13240,10 +13240,10 @@ func (l *Libvirt) DomainEventCallbackPmwakeup() (err error) {
 
 // DomainEventCallbackPmsuspend is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_PMSUSPEND.
 func (l *Libvirt) DomainEventCallbackPmsuspend() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(330, constants.Program, &buf)
+	_, err = l.request(330, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13253,10 +13253,10 @@ func (l *Libvirt) DomainEventCallbackPmsuspend() (err error) {
 
 // DomainEventCallbackBalloonChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_BALLOON_CHANGE.
 func (l *Libvirt) DomainEventCallbackBalloonChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(331, constants.Program, &buf)
+	_, err = l.request(331, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13266,10 +13266,10 @@ func (l *Libvirt) DomainEventCallbackBalloonChange() (err error) {
 
 // DomainEventCallbackPmsuspendDisk is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_PMSUSPEND_DISK.
 func (l *Libvirt) DomainEventCallbackPmsuspendDisk() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(332, constants.Program, &buf)
+	_, err = l.request(332, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13279,10 +13279,10 @@ func (l *Libvirt) DomainEventCallbackPmsuspendDisk() (err error) {
 
 // DomainEventCallbackDeviceRemoved is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_REMOVED.
 func (l *Libvirt) DomainEventCallbackDeviceRemoved() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(333, constants.Program, &buf)
+	_, err = l.request(333, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13292,7 +13292,7 @@ func (l *Libvirt) DomainEventCallbackDeviceRemoved() (err error) {
 
 // DomainCoreDumpWithFormat is the go wrapper for REMOTE_PROC_DOMAIN_CORE_DUMP_WITH_FORMAT.
 func (l *Libvirt) DomainCoreDumpWithFormat(Dom Domain, To string, Dumpformat uint32, Flags DomainCoreDumpFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainCoreDumpWithFormatArgs {
 		Dom: Dom,
@@ -13307,7 +13307,7 @@ func (l *Libvirt) DomainCoreDumpWithFormat(Dom Domain, To string, Dumpformat uin
 	}
 
 
-	_, err = l.request(334, constants.Program, &buf)
+	_, err = l.request(334, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13317,7 +13317,7 @@ func (l *Libvirt) DomainCoreDumpWithFormat(Dom Domain, To string, Dumpformat uin
 
 // DomainFsfreeze is the go wrapper for REMOTE_PROC_DOMAIN_FSFREEZE.
 func (l *Libvirt) DomainFsfreeze(Dom Domain, Mountpoints []string, Flags uint32) (rFilesystems int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainFsfreezeArgs {
 		Dom: Dom,
@@ -13331,7 +13331,7 @@ func (l *Libvirt) DomainFsfreeze(Dom Domain, Mountpoints []string, Flags uint32)
 	}
 
 	var r response
-	r, err = l.request(335, constants.Program, &buf)
+	r, err = l.request(335, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13350,7 +13350,7 @@ func (l *Libvirt) DomainFsfreeze(Dom Domain, Mountpoints []string, Flags uint32)
 
 // DomainFsthaw is the go wrapper for REMOTE_PROC_DOMAIN_FSTHAW.
 func (l *Libvirt) DomainFsthaw(Dom Domain, Mountpoints []string, Flags uint32) (rFilesystems int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainFsthawArgs {
 		Dom: Dom,
@@ -13364,7 +13364,7 @@ func (l *Libvirt) DomainFsthaw(Dom Domain, Mountpoints []string, Flags uint32) (
 	}
 
 	var r response
-	r, err = l.request(336, constants.Program, &buf)
+	r, err = l.request(336, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13383,7 +13383,7 @@ func (l *Libvirt) DomainFsthaw(Dom Domain, Mountpoints []string, Flags uint32) (
 
 // DomainGetTime is the go wrapper for REMOTE_PROC_DOMAIN_GET_TIME.
 func (l *Libvirt) DomainGetTime(Dom Domain, Flags uint32) (rSeconds int64, rNseconds uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetTimeArgs {
 		Dom: Dom,
@@ -13396,7 +13396,7 @@ func (l *Libvirt) DomainGetTime(Dom Domain, Flags uint32) (rSeconds int64, rNsec
 	}
 
 	var r response
-	r, err = l.request(337, constants.Program, &buf)
+	r, err = l.request(337, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13420,7 +13420,7 @@ func (l *Libvirt) DomainGetTime(Dom Domain, Flags uint32) (rSeconds int64, rNsec
 
 // DomainSetTime is the go wrapper for REMOTE_PROC_DOMAIN_SET_TIME.
 func (l *Libvirt) DomainSetTime(Dom Domain, Seconds int64, Nseconds uint32, Flags DomainSetTimeFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetTimeArgs {
 		Dom: Dom,
@@ -13435,7 +13435,7 @@ func (l *Libvirt) DomainSetTime(Dom Domain, Seconds int64, Nseconds uint32, Flag
 	}
 
 
-	_, err = l.request(338, constants.Program, &buf)
+	_, err = l.request(338, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13445,10 +13445,10 @@ func (l *Libvirt) DomainSetTime(Dom Domain, Seconds int64, Nseconds uint32, Flag
 
 // DomainEventBlockJob2 is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB_2.
 func (l *Libvirt) DomainEventBlockJob2() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(339, constants.Program, &buf)
+	_, err = l.request(339, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13458,7 +13458,7 @@ func (l *Libvirt) DomainEventBlockJob2() (err error) {
 
 // NodeGetFreePages is the go wrapper for REMOTE_PROC_NODE_GET_FREE_PAGES.
 func (l *Libvirt) NodeGetFreePages(Pages []uint32, StartCell int32, CellCount uint32, Flags uint32) (rCounts []uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeGetFreePagesArgs {
 		Pages: Pages,
@@ -13473,7 +13473,7 @@ func (l *Libvirt) NodeGetFreePages(Pages []uint32, StartCell int32, CellCount ui
 	}
 
 	var r response
-	r, err = l.request(340, constants.Program, &buf)
+	r, err = l.request(340, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13492,7 +13492,7 @@ func (l *Libvirt) NodeGetFreePages(Pages []uint32, StartCell int32, CellCount ui
 
 // NetworkGetDhcpLeases is the go wrapper for REMOTE_PROC_NETWORK_GET_DHCP_LEASES.
 func (l *Libvirt) NetworkGetDhcpLeases(Net Network, Mac OptString, NeedResults int32, Flags uint32) (rLeases []NetworkDhcpLease, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NetworkGetDhcpLeasesArgs {
 		Net: Net,
@@ -13507,7 +13507,7 @@ func (l *Libvirt) NetworkGetDhcpLeases(Net Network, Mac OptString, NeedResults i
 	}
 
 	var r response
-	r, err = l.request(341, constants.Program, &buf)
+	r, err = l.request(341, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13531,7 +13531,7 @@ func (l *Libvirt) NetworkGetDhcpLeases(Net Network, Mac OptString, NeedResults i
 
 // ConnectGetDomainCapabilities is the go wrapper for REMOTE_PROC_CONNECT_GET_DOMAIN_CAPABILITIES.
 func (l *Libvirt) ConnectGetDomainCapabilities(Emulatorbin OptString, Arch OptString, Machine OptString, Virttype OptString, Flags uint32) (rCapabilities string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectGetDomainCapabilitiesArgs {
 		Emulatorbin: Emulatorbin,
@@ -13547,7 +13547,7 @@ func (l *Libvirt) ConnectGetDomainCapabilities(Emulatorbin OptString, Arch OptSt
 	}
 
 	var r response
-	r, err = l.request(342, constants.Program, &buf)
+	r, err = l.request(342, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13566,7 +13566,7 @@ func (l *Libvirt) ConnectGetDomainCapabilities(Emulatorbin OptString, Arch OptSt
 
 // DomainOpenGraphicsFd is the go wrapper for REMOTE_PROC_DOMAIN_OPEN_GRAPHICS_FD.
 func (l *Libvirt) DomainOpenGraphicsFd(Dom Domain, Idx uint32, Flags DomainOpenGraphicsFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainOpenGraphicsFdArgs {
 		Dom: Dom,
@@ -13580,7 +13580,7 @@ func (l *Libvirt) DomainOpenGraphicsFd(Dom Domain, Idx uint32, Flags DomainOpenG
 	}
 
 
-	_, err = l.request(343, constants.Program, &buf)
+	_, err = l.request(343, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13590,7 +13590,7 @@ func (l *Libvirt) DomainOpenGraphicsFd(Dom Domain, Idx uint32, Flags DomainOpenG
 
 // ConnectGetAllDomainStats is the go wrapper for REMOTE_PROC_CONNECT_GET_ALL_DOMAIN_STATS.
 func (l *Libvirt) ConnectGetAllDomainStats(Doms []Domain, Stats uint32, Flags ConnectGetAllDomainStatsFlags) (rRetStats []DomainStatsRecord, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectGetAllDomainStatsArgs {
 		Doms: Doms,
@@ -13604,7 +13604,7 @@ func (l *Libvirt) ConnectGetAllDomainStats(Doms []Domain, Stats uint32, Flags Co
 	}
 
 	var r response
-	r, err = l.request(344, constants.Program, &buf)
+	r, err = l.request(344, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13623,7 +13623,7 @@ func (l *Libvirt) ConnectGetAllDomainStats(Doms []Domain, Stats uint32, Flags Co
 
 // DomainBlockCopy is the go wrapper for REMOTE_PROC_DOMAIN_BLOCK_COPY.
 func (l *Libvirt) DomainBlockCopy(Dom Domain, Path string, Destxml string, Params []TypedParam, Flags DomainBlockCopyFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainBlockCopyArgs {
 		Dom: Dom,
@@ -13639,7 +13639,7 @@ func (l *Libvirt) DomainBlockCopy(Dom Domain, Path string, Destxml string, Param
 	}
 
 
-	_, err = l.request(345, constants.Program, &buf)
+	_, err = l.request(345, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13649,10 +13649,10 @@ func (l *Libvirt) DomainBlockCopy(Dom Domain, Path string, Destxml string, Param
 
 // DomainEventCallbackTunable is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_TUNABLE.
 func (l *Libvirt) DomainEventCallbackTunable() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(346, constants.Program, &buf)
+	_, err = l.request(346, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13662,7 +13662,7 @@ func (l *Libvirt) DomainEventCallbackTunable() (err error) {
 
 // NodeAllocPages is the go wrapper for REMOTE_PROC_NODE_ALLOC_PAGES.
 func (l *Libvirt) NodeAllocPages(PageSizes []uint32, PageCounts []uint64, StartCell int32, CellCount uint32, Flags NodeAllocPagesFlags) (rRet int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := NodeAllocPagesArgs {
 		PageSizes: PageSizes,
@@ -13678,7 +13678,7 @@ func (l *Libvirt) NodeAllocPages(PageSizes []uint32, PageCounts []uint64, StartC
 	}
 
 	var r response
-	r, err = l.request(347, constants.Program, &buf)
+	r, err = l.request(347, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13697,10 +13697,10 @@ func (l *Libvirt) NodeAllocPages(PageSizes []uint32, PageCounts []uint64, StartC
 
 // DomainEventCallbackAgentLifecycle is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_AGENT_LIFECYCLE.
 func (l *Libvirt) DomainEventCallbackAgentLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(348, constants.Program, &buf)
+	_, err = l.request(348, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13710,7 +13710,7 @@ func (l *Libvirt) DomainEventCallbackAgentLifecycle() (err error) {
 
 // DomainGetFsinfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_FSINFO.
 func (l *Libvirt) DomainGetFsinfo(Dom Domain, Flags uint32) (rInfo []DomainFsinfo, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetFsinfoArgs {
 		Dom: Dom,
@@ -13723,7 +13723,7 @@ func (l *Libvirt) DomainGetFsinfo(Dom Domain, Flags uint32) (rInfo []DomainFsinf
 	}
 
 	var r response
-	r, err = l.request(349, constants.Program, &buf)
+	r, err = l.request(349, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13747,7 +13747,7 @@ func (l *Libvirt) DomainGetFsinfo(Dom Domain, Flags uint32) (rInfo []DomainFsinf
 
 // DomainDefineXMLFlags is the go wrapper for REMOTE_PROC_DOMAIN_DEFINE_XML_FLAGS.
 func (l *Libvirt) DomainDefineXMLFlags(XML string, Flags DomainDefineFlags) (rDom Domain, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDefineXMLFlagsArgs {
 		XML: XML,
@@ -13760,7 +13760,7 @@ func (l *Libvirt) DomainDefineXMLFlags(XML string, Flags DomainDefineFlags) (rDo
 	}
 
 	var r response
-	r, err = l.request(350, constants.Program, &buf)
+	r, err = l.request(350, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13779,7 +13779,7 @@ func (l *Libvirt) DomainDefineXMLFlags(XML string, Flags DomainDefineFlags) (rDo
 
 // DomainGetIothreadInfo is the go wrapper for REMOTE_PROC_DOMAIN_GET_IOTHREAD_INFO.
 func (l *Libvirt) DomainGetIothreadInfo(Dom Domain, Flags DomainModificationImpact) (rInfo []DomainIothreadInfo, rRet uint32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetIothreadInfoArgs {
 		Dom: Dom,
@@ -13792,7 +13792,7 @@ func (l *Libvirt) DomainGetIothreadInfo(Dom Domain, Flags DomainModificationImpa
 	}
 
 	var r response
-	r, err = l.request(351, constants.Program, &buf)
+	r, err = l.request(351, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13816,7 +13816,7 @@ func (l *Libvirt) DomainGetIothreadInfo(Dom Domain, Flags DomainModificationImpa
 
 // DomainPinIothread is the go wrapper for REMOTE_PROC_DOMAIN_PIN_IOTHREAD.
 func (l *Libvirt) DomainPinIothread(Dom Domain, IothreadsID uint32, Cpumap []byte, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainPinIothreadArgs {
 		Dom: Dom,
@@ -13831,7 +13831,7 @@ func (l *Libvirt) DomainPinIothread(Dom Domain, IothreadsID uint32, Cpumap []byt
 	}
 
 
-	_, err = l.request(352, constants.Program, &buf)
+	_, err = l.request(352, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13841,7 +13841,7 @@ func (l *Libvirt) DomainPinIothread(Dom Domain, IothreadsID uint32, Cpumap []byt
 
 // DomainInterfaceAddresses is the go wrapper for REMOTE_PROC_DOMAIN_INTERFACE_ADDRESSES.
 func (l *Libvirt) DomainInterfaceAddresses(Dom Domain, Source uint32, Flags uint32) (rIfaces []DomainInterface, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainInterfaceAddressesArgs {
 		Dom: Dom,
@@ -13855,7 +13855,7 @@ func (l *Libvirt) DomainInterfaceAddresses(Dom Domain, Source uint32, Flags uint
 	}
 
 	var r response
-	r, err = l.request(353, constants.Program, &buf)
+	r, err = l.request(353, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13874,10 +13874,10 @@ func (l *Libvirt) DomainInterfaceAddresses(Dom Domain, Source uint32, Flags uint
 
 // DomainEventCallbackDeviceAdded is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_ADDED.
 func (l *Libvirt) DomainEventCallbackDeviceAdded() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(354, constants.Program, &buf)
+	_, err = l.request(354, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13887,7 +13887,7 @@ func (l *Libvirt) DomainEventCallbackDeviceAdded() (err error) {
 
 // DomainAddIothread is the go wrapper for REMOTE_PROC_DOMAIN_ADD_IOTHREAD.
 func (l *Libvirt) DomainAddIothread(Dom Domain, IothreadID uint32, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainAddIothreadArgs {
 		Dom: Dom,
@@ -13901,7 +13901,7 @@ func (l *Libvirt) DomainAddIothread(Dom Domain, IothreadID uint32, Flags DomainM
 	}
 
 
-	_, err = l.request(355, constants.Program, &buf)
+	_, err = l.request(355, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13911,7 +13911,7 @@ func (l *Libvirt) DomainAddIothread(Dom Domain, IothreadID uint32, Flags DomainM
 
 // DomainDelIothread is the go wrapper for REMOTE_PROC_DOMAIN_DEL_IOTHREAD.
 func (l *Libvirt) DomainDelIothread(Dom Domain, IothreadID uint32, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainDelIothreadArgs {
 		Dom: Dom,
@@ -13925,7 +13925,7 @@ func (l *Libvirt) DomainDelIothread(Dom Domain, IothreadID uint32, Flags DomainM
 	}
 
 
-	_, err = l.request(356, constants.Program, &buf)
+	_, err = l.request(356, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13935,7 +13935,7 @@ func (l *Libvirt) DomainDelIothread(Dom Domain, IothreadID uint32, Flags DomainM
 
 // DomainSetUserPassword is the go wrapper for REMOTE_PROC_DOMAIN_SET_USER_PASSWORD.
 func (l *Libvirt) DomainSetUserPassword(Dom Domain, User OptString, Password OptString, Flags DomainSetUserPasswordFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetUserPasswordArgs {
 		Dom: Dom,
@@ -13950,7 +13950,7 @@ func (l *Libvirt) DomainSetUserPassword(Dom Domain, User OptString, Password Opt
 	}
 
 
-	_, err = l.request(357, constants.Program, &buf)
+	_, err = l.request(357, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13960,7 +13960,7 @@ func (l *Libvirt) DomainSetUserPassword(Dom Domain, User OptString, Password Opt
 
 // DomainRename is the go wrapper for REMOTE_PROC_DOMAIN_RENAME.
 func (l *Libvirt) DomainRename(Dom Domain, NewName OptString, Flags uint32) (rRetcode int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainRenameArgs {
 		Dom: Dom,
@@ -13974,7 +13974,7 @@ func (l *Libvirt) DomainRename(Dom Domain, NewName OptString, Flags uint32) (rRe
 	}
 
 	var r response
-	r, err = l.request(358, constants.Program, &buf)
+	r, err = l.request(358, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -13993,10 +13993,10 @@ func (l *Libvirt) DomainRename(Dom Domain, NewName OptString, Flags uint32) (rRe
 
 // DomainEventCallbackMigrationIteration is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_MIGRATION_ITERATION.
 func (l *Libvirt) DomainEventCallbackMigrationIteration() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(359, constants.Program, &buf)
+	_, err = l.request(359, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14006,10 +14006,10 @@ func (l *Libvirt) DomainEventCallbackMigrationIteration() (err error) {
 
 // ConnectRegisterCloseCallback is the go wrapper for REMOTE_PROC_CONNECT_REGISTER_CLOSE_CALLBACK.
 func (l *Libvirt) ConnectRegisterCloseCallback() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(360, constants.Program, &buf)
+	_, err = l.request(360, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14019,10 +14019,10 @@ func (l *Libvirt) ConnectRegisterCloseCallback() (err error) {
 
 // ConnectUnregisterCloseCallback is the go wrapper for REMOTE_PROC_CONNECT_UNREGISTER_CLOSE_CALLBACK.
 func (l *Libvirt) ConnectUnregisterCloseCallback() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(361, constants.Program, &buf)
+	_, err = l.request(361, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14032,10 +14032,10 @@ func (l *Libvirt) ConnectUnregisterCloseCallback() (err error) {
 
 // ConnectEventConnectionClosed is the go wrapper for REMOTE_PROC_CONNECT_EVENT_CONNECTION_CLOSED.
 func (l *Libvirt) ConnectEventConnectionClosed() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(362, constants.Program, &buf)
+	_, err = l.request(362, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14045,10 +14045,10 @@ func (l *Libvirt) ConnectEventConnectionClosed() (err error) {
 
 // DomainEventCallbackJobCompleted is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_JOB_COMPLETED.
 func (l *Libvirt) DomainEventCallbackJobCompleted() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(363, constants.Program, &buf)
+	_, err = l.request(363, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14058,7 +14058,7 @@ func (l *Libvirt) DomainEventCallbackJobCompleted() (err error) {
 
 // DomainMigrateStartPostCopy is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY.
 func (l *Libvirt) DomainMigrateStartPostCopy(Dom Domain, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateStartPostCopyArgs {
 		Dom: Dom,
@@ -14071,7 +14071,7 @@ func (l *Libvirt) DomainMigrateStartPostCopy(Dom Domain, Flags uint32) (err erro
 	}
 
 
-	_, err = l.request(364, constants.Program, &buf)
+	_, err = l.request(364, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14081,7 +14081,7 @@ func (l *Libvirt) DomainMigrateStartPostCopy(Dom Domain, Flags uint32) (err erro
 
 // DomainGetPerfEvents is the go wrapper for REMOTE_PROC_DOMAIN_GET_PERF_EVENTS.
 func (l *Libvirt) DomainGetPerfEvents(Dom Domain, Flags DomainModificationImpact) (rParams []TypedParam, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetPerfEventsArgs {
 		Dom: Dom,
@@ -14094,7 +14094,7 @@ func (l *Libvirt) DomainGetPerfEvents(Dom Domain, Flags DomainModificationImpact
 	}
 
 	var r response
-	r, err = l.request(365, constants.Program, &buf)
+	r, err = l.request(365, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14114,7 +14114,7 @@ func (l *Libvirt) DomainGetPerfEvents(Dom Domain, Flags DomainModificationImpact
 
 // DomainSetPerfEvents is the go wrapper for REMOTE_PROC_DOMAIN_SET_PERF_EVENTS.
 func (l *Libvirt) DomainSetPerfEvents(Dom Domain, Params []TypedParam, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetPerfEventsArgs {
 		Dom: Dom,
@@ -14128,7 +14128,7 @@ func (l *Libvirt) DomainSetPerfEvents(Dom Domain, Params []TypedParam, Flags Dom
 	}
 
 
-	_, err = l.request(366, constants.Program, &buf)
+	_, err = l.request(366, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14138,10 +14138,10 @@ func (l *Libvirt) DomainSetPerfEvents(Dom Domain, Params []TypedParam, Flags Dom
 
 // DomainEventCallbackDeviceRemovalFailed is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_REMOVAL_FAILED.
 func (l *Libvirt) DomainEventCallbackDeviceRemovalFailed() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(367, constants.Program, &buf)
+	_, err = l.request(367, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14151,7 +14151,7 @@ func (l *Libvirt) DomainEventCallbackDeviceRemovalFailed() (err error) {
 
 // ConnectStoragePoolEventRegisterAny is the go wrapper for REMOTE_PROC_CONNECT_STORAGE_POOL_EVENT_REGISTER_ANY.
 func (l *Libvirt) ConnectStoragePoolEventRegisterAny(EventID int32, Pool OptStoragePool) (rCallbackID int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectStoragePoolEventRegisterAnyArgs {
 		EventID: EventID,
@@ -14164,7 +14164,7 @@ func (l *Libvirt) ConnectStoragePoolEventRegisterAny(EventID int32, Pool OptStor
 	}
 
 	var r response
-	r, err = l.request(368, constants.Program, &buf)
+	r, err = l.request(368, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14183,7 +14183,7 @@ func (l *Libvirt) ConnectStoragePoolEventRegisterAny(EventID int32, Pool OptStor
 
 // ConnectStoragePoolEventDeregisterAny is the go wrapper for REMOTE_PROC_CONNECT_STORAGE_POOL_EVENT_DEREGISTER_ANY.
 func (l *Libvirt) ConnectStoragePoolEventDeregisterAny(CallbackID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectStoragePoolEventDeregisterAnyArgs {
 		CallbackID: CallbackID,
@@ -14195,7 +14195,7 @@ func (l *Libvirt) ConnectStoragePoolEventDeregisterAny(CallbackID int32) (err er
 	}
 
 
-	_, err = l.request(369, constants.Program, &buf)
+	_, err = l.request(369, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14205,10 +14205,10 @@ func (l *Libvirt) ConnectStoragePoolEventDeregisterAny(CallbackID int32) (err er
 
 // StoragePoolEventLifecycle is the go wrapper for REMOTE_PROC_STORAGE_POOL_EVENT_LIFECYCLE.
 func (l *Libvirt) StoragePoolEventLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(370, constants.Program, &buf)
+	_, err = l.request(370, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14218,7 +14218,7 @@ func (l *Libvirt) StoragePoolEventLifecycle() (err error) {
 
 // DomainGetGuestVcpus is the go wrapper for REMOTE_PROC_DOMAIN_GET_GUEST_VCPUS.
 func (l *Libvirt) DomainGetGuestVcpus(Dom Domain, Flags uint32) (rParams []TypedParam, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainGetGuestVcpusArgs {
 		Dom: Dom,
@@ -14231,7 +14231,7 @@ func (l *Libvirt) DomainGetGuestVcpus(Dom Domain, Flags uint32) (rParams []Typed
 	}
 
 	var r response
-	r, err = l.request(371, constants.Program, &buf)
+	r, err = l.request(371, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14251,7 +14251,7 @@ func (l *Libvirt) DomainGetGuestVcpus(Dom Domain, Flags uint32) (rParams []Typed
 
 // DomainSetGuestVcpus is the go wrapper for REMOTE_PROC_DOMAIN_SET_GUEST_VCPUS.
 func (l *Libvirt) DomainSetGuestVcpus(Dom Domain, Cpumap string, State int32, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetGuestVcpusArgs {
 		Dom: Dom,
@@ -14266,7 +14266,7 @@ func (l *Libvirt) DomainSetGuestVcpus(Dom Domain, Cpumap string, State int32, Fl
 	}
 
 
-	_, err = l.request(372, constants.Program, &buf)
+	_, err = l.request(372, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14276,10 +14276,10 @@ func (l *Libvirt) DomainSetGuestVcpus(Dom Domain, Cpumap string, State int32, Fl
 
 // StoragePoolEventRefresh is the go wrapper for REMOTE_PROC_STORAGE_POOL_EVENT_REFRESH.
 func (l *Libvirt) StoragePoolEventRefresh() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(373, constants.Program, &buf)
+	_, err = l.request(373, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14289,7 +14289,7 @@ func (l *Libvirt) StoragePoolEventRefresh() (err error) {
 
 // ConnectNodeDeviceEventRegisterAny is the go wrapper for REMOTE_PROC_CONNECT_NODE_DEVICE_EVENT_REGISTER_ANY.
 func (l *Libvirt) ConnectNodeDeviceEventRegisterAny(EventID int32, Dev OptNodeDevice) (rCallbackID int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectNodeDeviceEventRegisterAnyArgs {
 		EventID: EventID,
@@ -14302,7 +14302,7 @@ func (l *Libvirt) ConnectNodeDeviceEventRegisterAny(EventID int32, Dev OptNodeDe
 	}
 
 	var r response
-	r, err = l.request(374, constants.Program, &buf)
+	r, err = l.request(374, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14321,7 +14321,7 @@ func (l *Libvirt) ConnectNodeDeviceEventRegisterAny(EventID int32, Dev OptNodeDe
 
 // ConnectNodeDeviceEventDeregisterAny is the go wrapper for REMOTE_PROC_CONNECT_NODE_DEVICE_EVENT_DEREGISTER_ANY.
 func (l *Libvirt) ConnectNodeDeviceEventDeregisterAny(CallbackID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectNodeDeviceEventDeregisterAnyArgs {
 		CallbackID: CallbackID,
@@ -14333,7 +14333,7 @@ func (l *Libvirt) ConnectNodeDeviceEventDeregisterAny(CallbackID int32) (err err
 	}
 
 
-	_, err = l.request(375, constants.Program, &buf)
+	_, err = l.request(375, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14343,10 +14343,10 @@ func (l *Libvirt) ConnectNodeDeviceEventDeregisterAny(CallbackID int32) (err err
 
 // NodeDeviceEventLifecycle is the go wrapper for REMOTE_PROC_NODE_DEVICE_EVENT_LIFECYCLE.
 func (l *Libvirt) NodeDeviceEventLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(376, constants.Program, &buf)
+	_, err = l.request(376, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14356,10 +14356,10 @@ func (l *Libvirt) NodeDeviceEventLifecycle() (err error) {
 
 // NodeDeviceEventUpdate is the go wrapper for REMOTE_PROC_NODE_DEVICE_EVENT_UPDATE.
 func (l *Libvirt) NodeDeviceEventUpdate() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(377, constants.Program, &buf)
+	_, err = l.request(377, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14369,7 +14369,7 @@ func (l *Libvirt) NodeDeviceEventUpdate() (err error) {
 
 // StorageVolGetInfoFlags is the go wrapper for REMOTE_PROC_STORAGE_VOL_GET_INFO_FLAGS.
 func (l *Libvirt) StorageVolGetInfoFlags(Vol StorageVol, Flags uint32) (rType int8, rCapacity uint64, rAllocation uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := StorageVolGetInfoFlagsArgs {
 		Vol: Vol,
@@ -14382,7 +14382,7 @@ func (l *Libvirt) StorageVolGetInfoFlags(Vol StorageVol, Flags uint32) (rType in
 	}
 
 	var r response
-	r, err = l.request(378, constants.Program, &buf)
+	r, err = l.request(378, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14411,10 +14411,10 @@ func (l *Libvirt) StorageVolGetInfoFlags(Vol StorageVol, Flags uint32) (rType in
 
 // DomainEventCallbackMetadataChange is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_CALLBACK_METADATA_CHANGE.
 func (l *Libvirt) DomainEventCallbackMetadataChange() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(379, constants.Program, &buf)
+	_, err = l.request(379, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14424,7 +14424,7 @@ func (l *Libvirt) DomainEventCallbackMetadataChange() (err error) {
 
 // ConnectSecretEventRegisterAny is the go wrapper for REMOTE_PROC_CONNECT_SECRET_EVENT_REGISTER_ANY.
 func (l *Libvirt) ConnectSecretEventRegisterAny(EventID int32, OptSecret OptSecret) (rCallbackID int32, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectSecretEventRegisterAnyArgs {
 		EventID: EventID,
@@ -14437,7 +14437,7 @@ func (l *Libvirt) ConnectSecretEventRegisterAny(EventID int32, OptSecret OptSecr
 	}
 
 	var r response
-	r, err = l.request(380, constants.Program, &buf)
+	r, err = l.request(380, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14456,7 +14456,7 @@ func (l *Libvirt) ConnectSecretEventRegisterAny(EventID int32, OptSecret OptSecr
 
 // ConnectSecretEventDeregisterAny is the go wrapper for REMOTE_PROC_CONNECT_SECRET_EVENT_DEREGISTER_ANY.
 func (l *Libvirt) ConnectSecretEventDeregisterAny(CallbackID int32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := ConnectSecretEventDeregisterAnyArgs {
 		CallbackID: CallbackID,
@@ -14468,7 +14468,7 @@ func (l *Libvirt) ConnectSecretEventDeregisterAny(CallbackID int32) (err error)
 	}
 
 
-	_, err = l.request(381, constants.Program, &buf)
+	_, err = l.request(381, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14478,10 +14478,10 @@ func (l *Libvirt) ConnectSecretEventDeregisterAny(CallbackID int32) (err error)
 
 // SecretEventLifecycle is the go wrapper for REMOTE_PROC_SECRET_EVENT_LIFECYCLE.
 func (l *Libvirt) SecretEventLifecycle() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(382, constants.Program, &buf)
+	_, err = l.request(382, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14491,10 +14491,10 @@ func (l *Libvirt) SecretEventLifecycle() (err error) {
 
 // SecretEventValueChanged is the go wrapper for REMOTE_PROC_SECRET_EVENT_VALUE_CHANGED.
 func (l *Libvirt) SecretEventValueChanged() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(383, constants.Program, &buf)
+	_, err = l.request(383, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14504,7 +14504,7 @@ func (l *Libvirt) SecretEventValueChanged() (err error) {
 
 // DomainSetVcpu is the go wrapper for REMOTE_PROC_DOMAIN_SET_VCPU.
 func (l *Libvirt) DomainSetVcpu(Dom Domain, Cpumap string, State int32, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetVcpuArgs {
 		Dom: Dom,
@@ -14519,7 +14519,7 @@ func (l *Libvirt) DomainSetVcpu(Dom Domain, Cpumap string, State int32, Flags Do
 	}
 
 
-	_, err = l.request(384, constants.Program, &buf)
+	_, err = l.request(384, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14529,10 +14529,10 @@ func (l *Libvirt) DomainSetVcpu(Dom Domain, Cpumap string, State int32, Flags Do
 
 // DomainEventBlockThreshold is the go wrapper for REMOTE_PROC_DOMAIN_EVENT_BLOCK_THRESHOLD.
 func (l *Libvirt) DomainEventBlockThreshold() (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 
-	_, err = l.request(385, constants.Program, &buf)
+	_, err = l.request(385, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14542,7 +14542,7 @@ func (l *Libvirt) DomainEventBlockThreshold() (err error) {
 
 // DomainSetBlockThreshold is the go wrapper for REMOTE_PROC_DOMAIN_SET_BLOCK_THRESHOLD.
 func (l *Libvirt) DomainSetBlockThreshold(Dom Domain, Dev string, Threshold uint64, Flags uint32) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetBlockThresholdArgs {
 		Dom: Dom,
@@ -14557,7 +14557,7 @@ func (l *Libvirt) DomainSetBlockThreshold(Dom Domain, Dev string, Threshold uint
 	}
 
 
-	_, err = l.request(386, constants.Program, &buf)
+	_, err = l.request(386, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14567,7 +14567,7 @@ func (l *Libvirt) DomainSetBlockThreshold(Dom Domain, Dev string, Threshold uint
 
 // DomainMigrateGetMaxDowntime is the go wrapper for REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_DOWNTIME.
 func (l *Libvirt) DomainMigrateGetMaxDowntime(Dom Domain, Flags uint32) (rDowntime uint64, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainMigrateGetMaxDowntimeArgs {
 		Dom: Dom,
@@ -14580,7 +14580,7 @@ func (l *Libvirt) DomainMigrateGetMaxDowntime(Dom Domain, Flags uint32) (rDownti
 	}
 
 	var r response
-	r, err = l.request(387, constants.Program, &buf)
+	r, err = l.request(387, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14599,7 +14599,7 @@ func (l *Libvirt) DomainMigrateGetMaxDowntime(Dom Domain, Flags uint32) (rDownti
 
 // DomainManagedSaveGetXMLDesc is the go wrapper for REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC.
 func (l *Libvirt) DomainManagedSaveGetXMLDesc(Dom Domain, Flags DomainXMLFlags) (rXML string, err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainManagedSaveGetXMLDescArgs {
 		Dom: Dom,
@@ -14612,7 +14612,7 @@ func (l *Libvirt) DomainManagedSaveGetXMLDesc(Dom Domain, Flags DomainXMLFlags)
 	}
 
 	var r response
-	r, err = l.request(388, constants.Program, &buf)
+	r, err = l.request(388, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14631,7 +14631,7 @@ func (l *Libvirt) DomainManagedSaveGetXMLDesc(Dom Domain, Flags DomainXMLFlags)
 
 // DomainManagedSaveDefineXML is the go wrapper for REMOTE_PROC_DOMAIN_MANAGED_SAVE_DEFINE_XML.
 func (l *Libvirt) DomainManagedSaveDefineXML(Dom Domain, Dxml OptString, Flags DomainSaveRestoreFlags) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainManagedSaveDefineXMLArgs {
 		Dom: Dom,
@@ -14645,7 +14645,7 @@ func (l *Libvirt) DomainManagedSaveDefineXML(Dom Domain, Dxml OptString, Flags D
 	}
 
 
-	_, err = l.request(389, constants.Program, &buf)
+	_, err = l.request(389, constants.Program, buf)
 	if err != nil {
 		return
 	}
@@ -14655,7 +14655,7 @@ func (l *Libvirt) DomainManagedSaveDefineXML(Dom Domain, Dxml OptString, Flags D
 
 // DomainSetLifecycleAction is the go wrapper for REMOTE_PROC_DOMAIN_SET_LIFECYCLE_ACTION.
 func (l *Libvirt) DomainSetLifecycleAction(Dom Domain, Type uint32, Action uint32, Flags DomainModificationImpact) (err error) {
-	var buf bytes.Buffer
+	var buf []byte
 
 	args := DomainSetLifecycleActionArgs {
 		Dom: Dom,
@@ -14670,7 +14670,7 @@ func (l *Libvirt) DomainSetLifecycleAction(Dom Domain, Type uint32, Action uint3
 	}
 
 
-	_, err = l.request(390, constants.Program, &buf)
+	_, err = l.request(390, constants.Program, buf)
 	if err != nil {
 		return
 	}
diff --git a/libvirt.go b/libvirt.go
index 518e58b..690102e 100644
--- a/libvirt.go
+++ b/libvirt.go
@@ -152,7 +152,7 @@ func (l *Libvirt) Events(dom string) (<-chan DomainEvent, error) {
 		return nil, err
 	}
 
-	res, err := l.request(constants.QEMUConnectDomainMonitorEventRegister, constants.ProgramQEMU, &buf)
+	res, err := l.request(constants.QEMUConnectDomainMonitorEventRegister, constants.ProgramQEMU, buf)
 	if err != nil {
 		if err == ErrUnsupported {
 			return nil, ErrEventsNotSupported
@@ -243,7 +243,7 @@ func (l *Libvirt) Run(dom string, cmd []byte) ([]byte, error) {
 		return nil, err
 	}
 
-	res, err := l.request(constants.QEMUDomainMonitor, constants.ProgramQEMU, &buf)
+	res, err := l.request(constants.QEMUDomainMonitor, constants.ProgramQEMU, buf)
 	if err != nil {
 		return nil, err
 	}
diff --git a/rpc.go b/rpc.go
index 569792d..f4d8c0b 100644
--- a/rpc.go
+++ b/rpc.go
@@ -131,12 +131,12 @@ func (l *Libvirt) connect() error {
 
 	// libvirt requires that we call auth-list prior to connecting,
 	// event when no authentication is used.
-	_, err = l.request(constants.ProcAuthList, constants.Program, &buf)
+	_, err = l.request(constants.ProcAuthList, constants.Program, buf)
 	if err != nil {
 		return err
 	}
 
-	_, err = l.request(constants.ProcConnectOpen, constants.Program, &buf)
+	_, err = l.request(constants.ProcConnectOpen, constants.Program, buf)
 	if err != nil {
 		return err
 	}
@@ -262,7 +262,7 @@ func (l *Libvirt) removeStream(id uint32) error {
 		return err
 	}
 
-	_, err = l.request(constants.QEMUConnectDomainMonitorEventDeregister, constants.ProgramQEMU, &buf)
+	_, err = l.request(constants.QEMUConnectDomainMonitorEventDeregister, constants.ProgramQEMU, buf)
 	if err != nil {
 		return err
 	}
@@ -292,7 +292,7 @@ func (l *Libvirt) deregister(id uint32) {
 // request performs a libvirt RPC request.
 // returns response returned by server.
 // if response is not OK, decodes error from it and returns it.
-func (l *Libvirt) request(proc uint32, program uint32, payload *bytes.Buffer) (response, error) {
+func (l *Libvirt) request(proc uint32, program uint32, payload []byte) (response, error) {
 	serial := l.serial()
 	c := make(chan response)
 
@@ -300,7 +300,7 @@ func (l *Libvirt) request(proc uint32, program uint32, payload *bytes.Buffer) (r
 
 	size := constants.PacketLengthSize + constants.HeaderSize
 	if payload != nil {
-		size += payload.Len()
+		size += len(payload)
 	}
 
 	p := packet{
@@ -325,7 +325,7 @@ func (l *Libvirt) request(proc uint32, program uint32, payload *bytes.Buffer) (r
 
 	// write payload
 	if payload != nil {
-		err = binary.Write(l.w, binary.BigEndian, payload.Bytes())
+		err = binary.Write(l.w, binary.BigEndian, payload)
 		if err != nil {
 			return response{}, err
 		}
@@ -344,11 +344,11 @@ func (l *Libvirt) request(proc uint32, program uint32, payload *bytes.Buffer) (r
 }
 
 // encode XDR encodes the provided data.
-func encode(data interface{}) (bytes.Buffer, error) {
+func encode(data interface{}) ([]byte, error) {
 	var buf bytes.Buffer
 	_, err := xdr.Marshal(&buf, data)
 
-	return buf, err
+	return buf.Bytes(), err
 }
 
 // decodeError extracts an error message from the provider buffer.
diff --git a/rpc_test.go b/rpc_test.go
index d1ddb18..104e3dd 100644
--- a/rpc_test.go
+++ b/rpc_test.go
@@ -219,7 +219,7 @@ func TestEncode(t *testing.T) {
 		t.Error(err)
 	}
 
-	dec := xdr.NewDecoder(bytes.NewReader(buf.Bytes()))
+	dec := xdr.NewDecoder(bytes.NewReader(buf))
 	res, _, err := dec.DecodeString()
 	if err != nil {
 		t.Error(err)