1 /* $OpenBSD: setprogname.c,v 1.4 2013/11/12 06:09:48 deraadt Exp $ */ 2 /* 3 * Copyright (c) 2013 Antoine Jacoutot <ajacoutot (at) 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 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
