188 lines
4.8 KiB
C
188 lines
4.8 KiB
C
/*********************************************************
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* Copyright (C) 2004-2015 VMware, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation version 2.1 and no later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*********************************************************/
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/*
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* safetime.h --
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*
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* This header file defines wrappers so that we use the
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* 64-bit versions of the C time calls. This file is
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* temporary until we switch to a newer version of
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* Visual Studio that uses the 64-bit verisions by default.
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*
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* In Windows, the user is allowed to set the time past the
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* 32-bit overflow date (in 2038), which can cause crashes
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* and security problems. In Linux, the time can't be set
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* to overflow, so we do nothing.
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*
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* NB: We do not know if one can set the time past 2038 in
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* 64-bit versions of Linux, and, if so, what happens when
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* one does. This requires further investigation sometime
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* in the future.
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*
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* The stat types and functions must be defined manually,
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* since they contain time_ts, and we can't use the macro
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* trick, since the struct stat and the function stat have
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* the same 32 bit name (but different 64 bit names).
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*
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*/
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#ifndef _SAFETIME_H_
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#define _SAFETIME_H_
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#ifdef _WIN32
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#undef FMTTIME
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#define FMTTIME FMT64"d"
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#if (_MSC_VER < 1400)
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#if (defined(_STAT_DEFINED) || defined(_INC_TIME) || defined(_INC_TYPES))
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#error Use safetime.h instead of time.h, stat.h, and types.h
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#endif
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#define _STAT_DEFINED
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#include <time.h>
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#include <sys/utime.h>
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#include <sys/timeb.h>
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#define time_t __time64_t
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#define time(a) _time64(a)
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#define localtime(a) _localtime64((a))
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#define _ctime(a) _ctime64((a))
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#define ctime(a) _ctime64((a))
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#define _ftime(a) _ftime64((a))
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#define ftime(a) _ftime64((a))
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#define _timeb __timeb64
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#define _gmtime(a) _gmtime64((a))
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#define gmtime(a) _gmtime64((a))
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#define _mktime(a) _mktime64((a))
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#define mktime(a) _mktime64((a))
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#define _utime(a,b) _utime64((a),(b))
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#define utime(a,b) _utime64((a),(b))
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#define _utimbuf __utimbuf64
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#define utimbuf __utimbuf64
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#define _wctime(a) _wctime64((a),(b))
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#define wctime(a) _wctime64((a),(b))
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#define _futime(a,b) _futime64((a),(b))
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#define futime(a,b) _futime64((a),(b))
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#define _wutime(a,b) _wutime64((a),(b))
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#define wutime(a,b) _wutime64((a),(b))
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#include <sys/types.h>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif
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struct _stat {
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_dev_t st_dev;
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_ino_t st_ino;
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unsigned short st_mode;
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short st_nlink;
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short st_uid;
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short st_gid;
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_dev_t st_rdev;
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__int64 st_size;
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__time64_t st_atime;
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__time64_t st_mtime;
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__time64_t st_ctime;
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};
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struct stat {
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_dev_t st_dev;
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_ino_t st_ino;
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unsigned short st_mode;
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short st_nlink;
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short st_uid;
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short st_gid;
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_dev_t st_rdev;
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__int64 st_size;
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__time64_t st_atime;
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__time64_t st_mtime;
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__time64_t st_ctime;
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};
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struct __stat64 {
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_dev_t st_dev;
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_ino_t st_ino;
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unsigned short st_mode;
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short st_nlink;
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short st_uid;
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short st_gid;
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_dev_t st_rdev;
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__int64 st_size;
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__time64_t st_atime;
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__time64_t st_mtime;
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__time64_t st_ctime;
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};
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif
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#include <sys/stat.h>
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#define stat(a,b) _stat64((a),(struct __stat64*)(b))
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#define _stat(a,b) _stat64((a),(struct __stat64*)(b))
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#define fstat(a,b) _fstat64((a),(struct __stat64*)(b))
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#define _fstat(a,b) _fstat64((a),(struct __stat64*)(b))
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#define wstat(a,b) _wstat64((a),(struct __stat64*)(b))
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#define _wstat(a,b) _wstat64((a),(struct __stat64*)(b))
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#else /* (_MSC_VER < 1400) */
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/*
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* Starting with VC80, we can pick between 32-bit and 64-bit time_t
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* by defining or not defining _USE_32BIT_TIME_T. Don't define it.
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*/
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#include <time.h>
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#include <sys/utime.h>
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#include <sys/timeb.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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/* Make sure that the headers didn't revert to 32-bit. */
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#ifdef _USE_32BIT_TIME_T
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#error Refusing to use 32-bit time_t in safetime.h
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#endif
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#endif /* (_MSC_VER < 1400) */
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#else
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#include <sys/types.h>
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#include <time.h>
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#include <sys/stat.h>
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#include <utime.h>
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#endif
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#endif
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