Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Which implementation for busybox |
| 4 | * |
Eric Andersen | 8ec10a9 | 2001-01-27 09:33:39 +0000 | [diff] [blame] | 5 | * Copyright (C) 1999,2000,2001 by Lineo, inc. |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 6 | * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> |
| 7 | * |
| 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. |
| 12 | * |
| 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. |
| 17 | * |
| 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 |
| 21 | * |
| 22 | */ |
| 23 | |
Eric Andersen | 8d4c397 | 2001-03-09 21:28:09 +0000 | [diff] [blame] | 24 | /* getopt not needed */ |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 25 | #include <string.h> |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 26 | #include <stdio.h> |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 27 | #include <stdlib.h> |
Eric Andersen | cbe31da | 2001-02-20 06:14:08 +0000 | [diff] [blame] | 28 | #include "busybox.h" |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 29 | |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 30 | extern int which_main(int argc, char **argv) |
| 31 | { |
Glenn L McGrath | 63dde9d | 2000-09-18 09:37:40 +0000 | [diff] [blame] | 32 | char *path_list, *path_n; |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 33 | struct stat filestat; |
Matt Kraai | 768a234 | 2000-11-18 01:16:43 +0000 | [diff] [blame] | 34 | int i, count=1, found, status = EXIT_SUCCESS; |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 35 | |
Matt Kraai | 3bd8bd8 | 2000-07-14 23:28:47 +0000 | [diff] [blame] | 36 | if (argc <= 1 || **(argv + 1) == '-') |
Eric Andersen | 67991cf | 2001-02-14 21:23:06 +0000 | [diff] [blame] | 37 | show_usage(); |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 38 | argc--; |
| 39 | |
| 40 | path_list = getenv("PATH"); |
| 41 | if (!path_list) |
| 42 | path_list = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"; |
| 43 | |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 44 | /* Replace colons with zeros in path_parsed and count them */ |
Glenn L McGrath | 63dde9d | 2000-09-18 09:37:40 +0000 | [diff] [blame] | 45 | for(i=strlen(path_list); i > 0; i--) |
| 46 | if (path_list[i]==':') { |
| 47 | path_list[i]=0; |
| 48 | count++; |
| 49 | } |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 50 | |
| 51 | while(argc-- > 0) { |
Glenn L McGrath | 63dde9d | 2000-09-18 09:37:40 +0000 | [diff] [blame] | 52 | path_n = path_list; |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 53 | argv++; |
Matt Kraai | 768a234 | 2000-11-18 01:16:43 +0000 | [diff] [blame] | 54 | found = 0; |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 55 | for (i = 0; i < count; i++) { |
Eric Andersen | 044a72d | 2001-05-04 22:04:24 +0000 | [diff] [blame] | 56 | char *buf; |
Eric Andersen | 8d35134 | 2001-05-07 22:45:06 +0000 | [diff] [blame] | 57 | buf = concat_path_file(path_n, *argv); |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 58 | if (stat (buf, &filestat) == 0 |
| 59 | && filestat.st_mode & S_IXUSR) |
| 60 | { |
Glenn L McGrath | 63dde9d | 2000-09-18 09:37:40 +0000 | [diff] [blame] | 61 | printf ("%s\n", buf); |
Matt Kraai | 768a234 | 2000-11-18 01:16:43 +0000 | [diff] [blame] | 62 | found = 1; |
Pavel Roskin | c389d91 | 2000-06-05 23:41:27 +0000 | [diff] [blame] | 63 | break; |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 64 | } |
Eric Andersen | 8d35134 | 2001-05-07 22:45:06 +0000 | [diff] [blame] | 65 | free(buf); |
Glenn L McGrath | 63dde9d | 2000-09-18 09:37:40 +0000 | [diff] [blame] | 66 | path_n += (strlen(path_n) + 1); |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 67 | } |
Matt Kraai | 768a234 | 2000-11-18 01:16:43 +0000 | [diff] [blame] | 68 | if (!found) |
| 69 | status = EXIT_FAILURE; |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 70 | } |
Matt Kraai | 768a234 | 2000-11-18 01:16:43 +0000 | [diff] [blame] | 71 | return status; |
Erik Andersen | 330fd2b | 2000-05-19 05:35:19 +0000 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | /* |
| 75 | Local Variables: |
| 76 | c-file-style: "linux" |
| 77 | c-basic-offset: 4 |
| 78 | tab-width: 4 |
| 79 | End: |
| 80 | */ |