io/test-utime.c

   1 /* Copyright (C) 1994 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
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <utime.h>
  20 #include <stdio.h>
  21 #include <sys/stat.h>
  22 #include <unistd.h>
  23
  24 int
  25 main ()
  26 {
  27   char file[L_tmpnam];
  28   struct utimbuf ut;
  29   struct stat st;
  30   int fd;
  31
  32   if (tmpnam (file) == 0)
  33     {
  34       perror ("tmpnam");
  35       exit (1);
  36     }
  37
  38   fd = creat (file, 0666);
  39   if (fd < 0)
  40     {
  41       perror ("creat");
  42       exit (1);
  43     }
  44   close (fd);
  45
  46   ut.actime = 500000000;
  47   ut.modtime = 500000001;
  48   if (utime (file, &ut))
  49     {
  50       perror ("utime");
  51       remove (file);
  52       exit (1);
  53     }
  54
  55   if (stat (file, &st))
  56     {
  57       perror ("stat");
  58       remove (file);
  59       exit (1);
  60     }
  61
  62   remove (file);
  63
  64   if (st.st_mtime != ut.modtime)
  65     {
  66       printf ("modtime %ld != %ld\n", st.st_mtime, ut.modtime);
  67       exit (1);
  68     }
  69
  70   if (st.st_atime != ut.actime)
  71     {
  72       printf ("actime %ld != %ld\n", st.st_atime, ut.actime);
  73       exit (1);
  74     }
  75
  76   puts ("Test succeeded.");
  77   exit (0);
  78 }