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[arla.git] / tests / readdir-vs-lstat.c
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1 /*
2 * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
34 #ifdef HAVE_CONFIG_H
35 #include <config.h>
36 #endif
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <sys/types.h>
42 #include <sys/stat.h>
43 #include <fcntl.h>
44 #include <unistd.h>
45 #include <dirent.h>
46 #include <errno.h>
48 #include <err.h>
49 #include <roken.h>
51 #ifdef RCSID
52 RCSID("$Id$");
53 #endif
55 static int
56 verify_inodes (const char *dirname)
58 DIR *d;
59 struct dirent *dp;
61 if (chdir (dirname) < 0)
62 err (1, "chdir %s", dirname);
64 d = opendir (".");
65 if (d == NULL)
66 err (1, "opendir %s", dirname);
67 while ((dp = readdir (d)) != NULL) {
68 struct stat sb;
70 if (lstat (dp->d_name, &sb) < 0) {
71 if (errno == EACCES)
72 continue;
73 err (1, "lstat %s", dp->d_name);
75 if (dp->d_ino != sb.st_ino)
76 errx (1, "%s: inode %u != %u", dp->d_name,
77 (unsigned)dp->d_ino, (unsigned)sb.st_ino);
79 closedir (d);
80 return 0;
83 static void
84 usage (int ret)
86 fprintf (stderr, "%s [directory]\n", getprogname());
87 exit (ret);
90 int
91 main(int argc, char **argv)
93 char *name = ".";
95 setprogname (argv[0]);
97 if (argc > 2)
98 usage (1);
100 if (argc > 1)
101 name = argv[1];
103 return verify_inodes (name);