Update.
[glibc.git] / io / test-utime.c
blob6828d005813e21bceae4d2aab626d81a7e71bfe4
1 /* Copyright (C) 1994, 1996, 1997, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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. */
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 #include <time.h>
27 int
28 main (int argc, char *argv[])
30 char file[L_tmpnam];
31 struct utimbuf ut;
32 struct stat st;
33 struct stat stnow;
34 time_t now1, now2;
35 int fd;
37 if (tmpnam (file) == 0)
39 perror ("tmpnam");
40 return 1;
43 fd = creat (file, 0666);
44 if (fd < 0)
46 perror ("creat");
47 return 1;
49 close (fd);
51 /* Test utime with arg */
52 ut.actime = 500000000;
53 ut.modtime = 500000001;
54 if (utime (file, &ut))
56 perror ("utime");
57 remove (file);
58 return 1;
61 if (stat (file, &st))
63 perror ("stat");
64 remove (file);
65 return 1;
68 /* Test utime with NULL.
69 Since there's a race condition possible here, we check
70 the time before and after the call to utime. */
71 now1 = time (NULL);
72 if (now1 == (time_t)-1)
74 perror ("time");
75 remove (file);
76 return 1;
79 if (utime (file, NULL))
81 perror ("utime NULL");
82 remove (file);
83 return 1;
86 now2 = time (NULL);
87 if (now2 == (time_t)-1)
89 perror ("time");
90 remove (file);
91 return 1;
94 if (stat (file, &stnow))
96 perror ("stat");
97 remove (file);
98 return 1;
101 remove (file);
103 if (st.st_mtime != ut.modtime)
105 printf ("modtime %ld != %ld\n", st.st_mtime, ut.modtime);
106 return 1;
109 if (st.st_atime != ut.actime)
111 printf ("actime %ld != %ld\n", st.st_atime, ut.actime);
112 return 1;
115 if (stnow.st_mtime < now1 || stnow.st_mtime > now2)
117 printf ("modtime %ld <%ld >%ld\n", st.st_mtime, now1, now2);
118 return 1;
121 if (stnow.st_atime < now1 || stnow.st_atime > now2)
123 printf ("actime %ld <%ld >%ld\n", st.st_atime, now1, now2);
124 return 1;
127 puts ("Test succeeded.");
128 return 0;