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
|
/* $OpenBSD: dirname.c,v 1.11 2005/04/07 07:16:21 otto Exp $ */
/*
* Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: dirname.c,v 1.11 2005/04/07 07:16:21 otto Exp $";
#endif /* not lint */
#include <err.h>
#include <libgen.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
void usage(void);
int
main(int argc, char *argv[])
{
int ch;
char *dir;
setlocale(LC_ALL, "");
while ((ch = getopt(argc, argv, "")) != -1) {
switch (ch) {
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 1)
usage();
if ((dir = dirname(argv[0])) == NULL)
err(1, "%s", argv[0]);
puts(dir);
exit(0);
}
extern char *__progname;
void
usage(void)
{
(void)fprintf(stderr, "Usage: %s pathname\n", __progname);
exit(1);
}
|
