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
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
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 #include <sys/types.h>
55 creat_files (const char *dirname
, int count
)
62 if (mkdir (dirname
, 0777) < 0)
63 err (1, "mkdir %s", dirname
);
65 if (chdir (dirname
) < 0)
66 err (1, "chdir %s", dirname
);
67 if (stat (".", &sb
) < 0)
69 if (sb
.st_size
!= 2048)
70 errx (1, "size != 2048");
71 for (i
= 0; i
< count
; ++i
) {
75 snprintf (num
, sizeof(num
), "%d", i
);
77 fd
= open (num
, O_CREAT
| O_EXCL
, 0777);
79 err (1, "open %s", num
);
81 err (1, "close %s", num
);
83 if (stat (".", &sb
) < 0)
89 for (i
= -2; i
< count
; ++i
) {
94 errx (1, "out of entries at %d?", i
);
96 strlcpy (num
, ".", sizeof(num
));
98 strlcpy (num
, "..", sizeof(num
));
100 snprintf (num
, sizeof(num
), "%d", i
);
101 if (strcmp (num
, dp
->d_name
) != 0)
102 errx (1, "'%s' != '%s'", num
, dp
->d_name
);
104 if (readdir (d
) != NULL
)
105 errx (1, "more entries?");
107 for (i
= 0; i
< count
; ++i
) {
110 snprintf (num
, sizeof(num
), "%d", i
);
112 if (unlink (num
) < 0)
113 err (1, "unlink %s", num
);
117 err (1, "opendir .");
119 if (dp
== NULL
|| strcmp (dp
->d_name
, ".") != 0)
120 errx (1, "where's .?");
122 if (dp
== NULL
|| strcmp (dp
->d_name
, "..") != 0)
123 errx (1, "where's ..?");
124 if (readdir (d
) != NULL
)
125 errx (1, "even more entries?");
127 if (stat (".", &sb
) < 0)
130 if (sb
.st_size
!= 2048)
131 errx (1, "size != 2048");
139 fprintf (stderr
, "%s directory number-of-files\n", getprogname());
144 main(int argc
, char **argv
)
149 setprogname (argv
[0]);
154 count
= strtol (argv
[2], &ptr
, 0);
155 if (count
== 0 && ptr
== argv
[2])
156 errx (1, "'%s' not a number", argv
[2]);
158 return creat_files (argv
[1], count
);