diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-03-16 22:47:14 +0000 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2001-03-16 22:47:14 +0000 |
commit | aad1a88c76f208d188fd061e3723bd637437e8d5 (patch) | |
tree | 75ac2b994f7f04af776e93eeedba82b873ff557e /applets/applets.c | |
parent | dfba13d199bb58d802df99c1ef20fdc0d628e86d (diff) |
Convert utility.c into libbb.a. It is now a whole pile of .c
files. Clean up the resulting damage and fix up the makefile.
-Erik
Diffstat (limited to 'applets/applets.c')
-rw-r--r-- | applets/applets.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/applets/applets.c b/applets/applets.c new file mode 100644 index 000000000..1e31e8925 --- /dev/null +++ b/applets/applets.c @@ -0,0 +1,92 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routines. + * + * Copyright (C) tons of folks. Tracking down who wrote what + * isn't something I'm going to worry about... If you wrote something + * here, please feel free to acknowledge your work. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Based in part on code from sash, Copyright (c) 1999 by David I. Bell + * Permission has been granted to redistribute this code under the GPL. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include "busybox.h" + +#define bb_need_full_version +#define BB_DECLARE_EXTERN +#include "messages.c" + +struct BB_applet *applet_using; + +extern void show_usage(void) +{ + const char *format_string; + const char *usage_string = usage_messages; + int i; + + for (i = applet_using - applets; i > 0; ) { + if (!*usage_string++) { + --i; + } + } + format_string = "%s\n\nUsage: %s %s\n\n"; + if(*usage_string == 0) + format_string = "%s\n\nNo help available.\n\n"; + fprintf(stderr, format_string, + full_version, applet_using->name, usage_string); + exit(EXIT_FAILURE); +} + +static int applet_name_compare(const void *x, const void *y) +{ + const char *name = x; + const struct BB_applet *applet = y; + + return strcmp(name, applet->name); +} + +extern size_t NUM_APPLETS; + +struct BB_applet *find_applet_by_name(const char *name) +{ + return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet), + applet_name_compare); +} + +void run_applet_by_name(const char *name, int argc, char **argv) +{ + /* Do a binary search to find the applet entry given the name. */ + if ((applet_using = find_applet_by_name(name)) != NULL) { + applet_name = applet_using->name; + if (argv[1] && strcmp(argv[1], "--help") == 0) + show_usage(); + exit((*(applet_using->main)) (argc, argv)); + } +} + + +/* END CODE */ +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |