io/test-utime.c

   1 /* Copyright (C) 1994, 1996 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 <fcntl.h>
  20 #include <stdio.h>
  21 #include <sys/stat.h>
  22 #include <unistd.h>
  23 #include <utime.h>
  24
  25 int
  26 main (int argc, char *argv[])
  27 {
  28   char file[L_tmpnam];
  29   struct utimbuf ut;
  30   struct stat st;
  31   int fd;
  32
  33   if (tmpnam (file) == 0)
  34     {
  35       perror ("tmpnam");
  36       exit (1);
  37     }
  38
  39   fd = creat (file, 0666);
  40   if (fd < 0)
  41     {
  42       perror ("creat");
  43       exit (1);
  44     }
  45   close (fd);
  46
  47   ut.actime = 500000000;
  48   ut.modtime = 500000001;
  49   if (utime (file, &ut))
  50     {
  51       perror ("utime");
  52       remove (file);
  53       exit (1);
  54     }
  55
  56   if (stat (file, &st))
  57     {
  58       perror ("stat");
  59       remove (file);
  60       exit (1);
  61     }
  62
  63   remove (file);
  64
  65   if (st.st_mtime != ut.modtime)
  66     {
  67       printf ("modtime %ld != %ld\n", st.st_mtime, ut.modtime);
  68       exit (1);
  69     }
  70
  71   if (st.st_atime != ut.actime)
  72     {
  73       printf ("actime %ld != %ld\n", st.st_atime, ut.actime);
  74       exit (1);
  75     }
  76
  77   puts ("Test succeeded.");
  78   exit (0);
  79 }