1 /* $OpenBSD: setprogname.c,v 1.4 2013/11/12 06:09:48 deraadt Exp $ */
2 /*
3 * Copyright (c) 2013 Antoine Jacoutot <ajacoutot@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <string.h>
19 #include <stdlib.h>
20
21 extern const char *__progname;
22
23 void
setprogname(const char * progname)24 setprogname(const char *progname)
25 {
26 const char *tmpn;
27
28 tmpn = strrchr(progname, '/');
29 if (tmpn == NULL)
30 __progname = progname;
31 else
32 __progname = tmpn + 1;
33 }
34