2 * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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
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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
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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
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 #include <sys/types.h>
51 creat_files(const char *dirname, int count)
60 if (mkdir(dirname, 0777) < 0)
61 err(1, "mkdir %s", dirname);
63 if (chdir(dirname) < 0)
64 err(1, "chdir %s", dirname);
65 if (stat(".", &sb) < 0)
68 if (sb.st_size != 2048)
69 errx(1, "size != 2048");
71 for (i = 0; i < count; ++i) {
77 len = 1 + rand() % (sizeof(fname) - 2);
79 for (j = 0; j < len; ++j)
80 fname[j] = 'A' + rand() % ('z' - 'A');
83 fd = open(fname, O_CREAT | O_EXCL, 0777);
85 err(1, "open %s", fname);
87 err(1, "close %s", fname);
89 if (stat(".", &sb) < 0)
95 while ((dp = readdir(d)) != NULL) {
96 if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0)
99 if (unlink(dp->d_name) < 0)
100 err(1, "unlink %s", dp->d_name);
105 if (rmdir(dirname) < 0)
113 fprintf(stderr, "%s directory number-of-files\n", __progname);
118 main(int argc, char **argv)
127 count = strtol(argv[2], &ptr, 0);
128 if (count == 0 && ptr == argv[2])
129 errx(1, "'%s' not a number", argv[2]);
131 return creat_files(argv[1], count);