summaryrefslogtreecommitdiff
path: root/lib/libc/gen/setprogname.c
blob: c8625f0498ab9089e2cb9a02813e154b393ad2b4 (plain)
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
/* $OpenBSD: setprogname.c,v 1.1 2013/05/31 20:59:24 ajacoutot Exp $ */
/*
 * Copyright (c) 2013 Antoine Jacoutot <ajacoutot@openbsd.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 <stdlib.h>
#include <string.h>

extern const char *__progname;

void
setprogname(const char *progname)
{
	const char *tmpn;

	tmpn = strrchr(progname, '/');
	if (tmpn == NULL)
		__progname = progname;
	else
		tmpn + 1;
}