File: progname.c

package info (click to toggle)
openntpd 1%3A6.0p1-2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 2,212 kB
  • ctags: 1,294
  • sloc: sh: 11,521; ansic: 10,305; yacc: 663; makefile: 303
file content (46 lines) | stat: -rw-r--r-- 1,269 bytes parent folder | download | duplicates (4)
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
/*
 * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
 *
 * 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.
 */

#include <string.h>

#ifndef HAVE___PROGNAME
char *__progname;
#endif

/*
 * NB. duplicate __progname in case it is an alias for argv[0]
 * Otherwise it may get clobbered by setproctitle()
 */
char *get_progname(char *argv0)
{
#ifdef HAVE___PROGNAME
	extern char *__progname;

	return strdup(__progname);
#else
	char *p;

	if (argv0 == NULL)
		return ("unknown");	/* XXX */
	p = strrchr(argv0, '/');
	if (p == NULL)
		p = argv0;
	else
		p++;

	return (strdup(p));
#endif
}