io/test-utime.c

   1 /* Copyright (C) 1994, 1996, 1997, 2000 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <fcntl.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <sys/stat.h>
  23 #include <unistd.h>
  24 #include <utime.h>
  25
  26 int
  27 main (int argc, char *argv[])
  28 {
  29   char file[L_tmpnam];
  30   struct utimbuf ut;
  31   struct stat st;
  32   int fd;
  33
  34   if (tmpnam (file) == 0)
  35     {
  36       perror ("tmpnam");
  37       exit (1);
  38     }
  39
  40   fd = creat (file, 0666);
  41   if (fd < 0)
  42     {
  43       perror ("creat");
  44       exit (1);
  45     }
  46   close (fd);
  47
  48   ut.actime = 500000000;
  49   ut.modtime = 500000001;
  50   if (utime (file, &ut))
  51     {
  52       perror ("utime");
  53       remove (file);
  54       exit (1);
  55     }
  56
  57   if (stat (file, &st))
  58     {
  59       perror ("stat");
  60       remove (file);
  61       exit (1);
  62     }
  63
  64   remove (file);
  65
  66   if (st.st_mtime != ut.modtime)
  67     {
  68       printf ("modtime %ld != %ld\n", st.st_mtime, ut.modtime);
  69       exit (1);
  70     }
  71
  72   if (st.st_atime != ut.actime)
  73     {
  74       printf ("actime %ld != %ld\n", st.st_atime, ut.actime);
  75       exit (1);
  76     }
  77
  78   puts ("Test succeeded.");
  79   exit (0);
  80 }