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glibc  2.9
utimensat.c
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00001 /* Change access and modification times of open file.  Linux version.
00002    Copyright (C) 2007 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <sys/stat.h>
00022 #include <sysdep.h>
00023 
00024 #include <kernel-features.h>
00025 
00026 
00027 /* Change the access time of FILE to TSP[0] and
00028    the modification time of FILE to TSP[1].
00029 
00030    Starting with 2.6.22 the Linux kernel has the utimensat syscall.  */
00031 int
00032 utimensat (int fd, const char *file, const struct timespec tsp[2],
00033           int flags)
00034 {
00035   if (file == NULL)
00036     {
00037       __set_errno (EINVAL);
00038       return -1;
00039     }
00040 #ifdef __NR_utimensat
00041   return INLINE_SYSCALL (utimensat, 4, fd, file, tsp, flags);
00042 #else
00043   __set_errno (ENOSYS);
00044   return -1;
00045 #endif
00046 }
00047 #ifndef __NR_utimensat
00048 stub_warning (utimensat)
00049 # include <stub-tag.h>
00050 #endif