1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) tons of folks. Tracking down who wrote what
6 * isn't something I'm going to worry about... If you wrote something
7 * here, please feel free to acknowledge your work.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
24 * Permission has been granted to redistribute this code under the GPL.
32 #define bb_need_full_version
33 #define BB_DECLARE_EXTERN
36 struct BB_applet *applet_using;
38 extern void show_usage(void)
40 const char *format_string;
41 const char *usage_string = usage_messages;
44 for (i = applet_using - applets; i > 0; ) {
45 if (!*usage_string++) {
49 format_string = "%s\n\nUsage: %s %s\n\n";
50 if(*usage_string == 0)
51 format_string = "%s\n\nNo help available.\n\n";
52 fprintf(stderr, format_string,
53 full_version, applet_using->name, usage_string);
57 static int applet_name_compare(const void *x, const void *y)
60 const struct BB_applet *applet = y;
62 return strcmp(name, applet->name);
65 extern size_t NUM_APPLETS;
67 struct BB_applet *find_applet_by_name(const char *name)
69 return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
73 void run_applet_by_name(const char *name, int argc, char **argv)
75 /* Do a binary search to find the applet entry given the name. */
76 if ((applet_using = find_applet_by_name(name)) != NULL) {
77 applet_name = applet_using->name;
78 if (argv[1] && strcmp(argv[1], "--help") == 0)
80 exit((*(applet_using->main)) (argc, argv));