summaryrefslogtreecommitdiff
path: root/io/test-utime.c
blob: 8e44fa0865f380e8ca3a49b7131bbe147b4f4deb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/* Copyright (C) 1994, 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <utime.h>
#include <time.h>

int
main (int argc, char *argv[])
{
  char file[L_tmpnam];
  struct utimbuf ut;
  struct stat st;
  struct stat stnow;
  time_t now1, now2;
  int fd;

  if (tmpnam (file) == 0)
    {
      perror ("tmpnam");
      return 1;
    }

  fd = creat (file, 0666);
  if (fd < 0)
    {
      perror ("creat");
      return 1;
    }
  close (fd);

  /* Test utime with arg */
  ut.actime = 500000000;
  ut.modtime = 500000001;
  if (utime (file, &ut))
    {
      perror ("utime");
      remove (file);
      return 1;
    }

  if (stat (file, &st))
    {
      perror ("stat");
      remove (file);
      return 1;
    }

  /* Test utime with NULL.
     Since there's a race condition possible here, we check
     the time before and after the call to utime.  */
  now1 = time (NULL);
  if (now1 == (time_t)-1)
    {
      perror ("time");
      remove (file);
      return 1;
    }

  if (utime (file, NULL))
    {
      perror ("utime NULL");
      remove (file);
      return 1;
    }

  now2 = time (NULL);
  if (now2 == (time_t)-1)
    {
      perror ("time");
      remove (file);
      return 1;
    }

  if (stat (file, &stnow))
    {
      perror ("stat");
      remove (file);
      return 1;
    }

  remove (file);

  if (st.st_mtime != ut.modtime)
    {
      printf ("modtime %ld != %ld\n", st.st_mtime, ut.modtime);
      return 1;
    }

  if (st.st_atime != ut.actime)
    {
      printf ("actime %ld != %ld\n", st.st_atime, ut.actime);
      return 1;
    }

  if (stnow.st_mtime < now1 || stnow.st_mtime > now2)
    {
      printf ("modtime %ld <%ld >%ld\n", stnow.st_mtime, now1, now2);
      return 1;
    }

  if (stnow.st_atime < now1 || stnow.st_atime > now2)
    {
      printf ("actime %ld <%ld >%ld\n", stnow.st_atime, now1, now2);
      return 1;
    }

  puts ("Test succeeded.");
  return 0;
}