sysdeps/posix/utime.c

   1 /* utime -- Change access and modification times of file.  Posix version.
   2    Copyright (C) 1991-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20 #include <errno.h>
  21 #include <utime.h>
  22 #include <time.h>
  23 #include <sys/types.h>
  24 #include <sys/time.h>
  25
  26
  27 /* Set the access and modification times of FILE to those given in TIMES.
  28    If TIMES is NULL, set them to the current time.  */
  29 int
  30 utime (const char *file, const struct utimbuf *times)
  31 {
  32   struct timeval timevals[2];
  33   struct timeval *tvp;
  34
  35   if (times != NULL)
  36     {
  37       timevals[0].tv_sec = (time_t) times->actime;
  38       timevals[0].tv_usec = 0L;
  39       timevals[1].tv_sec = (time_t) times->modtime;
  40       timevals[1].tv_usec = 0L;
  41       tvp = timevals;
  42     }
  43   else
  44     tvp = NULL;
  45
  46   return __utimes (file, tvp);
  47 }
  48 libc_hidden_def (utime)