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* sysdeps/unix/sysv/linux/kernel-features.h: Define
	__ASSUME_UTIMES for x86 and kernels > 2.5.75.

	* sysdeps/unix/sysv/linux/futimes.c (__futimes): Handle case with
	second parameter == NULL.
	* sysdeps/unix/sysv/linux/utimes.c: New file.

2003-07-12  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/futimes.c: Include kernel-features.h.
	* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_UTIMES): Fix
	a typo.

2003-07-12  Ulrich Drepper  <drepper@redhat.com>
This commit is contained in:
Ulrich Drepper
2003-07-12 18:48:39 +00:00
parent 327e163789
commit f4e0175f01
4 changed files with 96 additions and 11 deletions
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59
sysdeps/unix/sysv/linux/utimes.c Normal file
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/* Copyright (C) 1995, 1997, 2000, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stddef.h>
#include <utime.h>
#include <sys/time.h>
#include "kernel-features.h"
/* Change the access time of FILE to TVP[0] and
the modification time of FILE to TVP[1]. */
int
__utimes (const char *file, const struct timeval tvp[2])
{
#ifdef __NR_utimes
int result = INLINE_SYSCALL (utimes, 2, file, tvp);
# ifndef __ASSUME_UTIMES
if (result != -1 || errno != ENOSYS)
# endif
return result;
#endif
/* The utimes() syscall does not exist or is not available in the
used kernel. Use utime(). For this we have to convert to the
data format utime() expects. */
#ifndef __ASSUME_UTIMES
struct utimbuf buf;
struct utimbuf *times;
if (tvp != NULL)
{
times = &buf;
buf.actime = tvp[0].tv_sec + tvp[0].tv_usec >= 500000;
buf.modtime = tvp[1].tv_sec + tvp[1].tv_usec >= 500000;
}
else
times = NULL;
return INLINE_SYSCALL (utime, 2, file, times);
#endif
}
weak_alias (__utimes, utimes)