1 /* vi: set sw=4 ts=4: */
3 * Which implementation for busybox
5 * Copyright (C) 2000 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 extern int which_main(int argc, char **argv)
29 char *path_list, *path_n;
31 int i, count=1, found, status = EXIT_SUCCESS;
33 if (argc <= 1 || **(argv + 1) == '-')
37 path_list = getenv("PATH");
39 path_list = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin";
41 /* Replace colons with zeros in path_parsed and count them */
42 for(i=strlen(path_list); i > 0; i--)
43 if (path_list[i]==':') {
52 for (i = 0; i < count; i++) {
53 char buf[strlen(path_n)+1+strlen(*argv)];
57 if (stat (buf, &filestat) == 0
58 && filestat.st_mode & S_IXUSR)
64 path_n += (strlen(path_n) + 1);
67 status = EXIT_FAILURE;