sysdeps/posix/utime.c

   1 /* Copyright (C) 1991-2015 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <sysdep.h>
  19 #include <errno.h>
  20 #include <utime.h>
  21 #include <time.h>
  22 #include <sys/types.h>
  23 #include <sys/time.h>
  24
  25
  26 /* Set the access and modification times of FILE to those given in TIMES.
  27    If TIMES is NULL, set them to the current time.  */
  28 int
  29 utime (const char *file, const struct utimbuf *times)
  30 {
  31   struct timeval timevals[2];
  32   struct timeval *tvp;
  33
  34   if (times != NULL)
  35     {
  36       timevals[0].tv_sec = (time_t) times->actime;
  37       timevals[0].tv_usec = 0L;
  38       timevals[1].tv_sec = (time_t) times->modtime;
  39       timevals[1].tv_usec = 0L;
  40       tvp = timevals;
  41     }
  42   else
  43     tvp = NULL;
  44
  45   return __utimes (file, tvp);
  46 }
  47 libc_hidden_def (utime)