mirror of
https://git.busybox.net/busybox.git
synced 2024-11-24 06:03:27 +08:00
110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include "busybox.h"
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extern int dpkg_deb_main(int argc, char **argv)
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{
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char *argument = NULL;
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char *output_buffer = NULL;
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int opt = 0;
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int optflag = 0;
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while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
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switch (opt) {
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case 'c':
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optflag |= extract_contents;
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break;
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case 'e':
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optflag |= extract_control;
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break;
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case 'f':
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optflag |= extract_field;
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break;
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case 't':
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optflag |= extract_fsys_tarfile;
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break;
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case 'X':
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optflag |= extract_verbose_extract;
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break;
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case 'x':
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optflag |= extract_extract;
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break;
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case 'I':
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optflag |= extract_info;
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break;
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default:
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show_usage();
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}
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}
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if (optind == argc) {
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show_usage();
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}
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switch (optflag) {
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case (extract_control):
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case (extract_extract):
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case (extract_verbose_extract):
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/* argument is a dir name */
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if ( (optind + 1) == argc ) {
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argument = xstrdup("DEBIAN");
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} else {
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argument = xstrdup(argv[optind + 1]);
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}
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break;
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case (extract_field):
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/* argument is a control field name */
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if ((optind + 1) != argc) {
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argument = xstrdup(argv[optind + 1]);
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}
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break;
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case (extract_info):
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/* argument is a control field name */
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if ((optind + 1) != argc) {
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argument = xstrdup(argv[optind + 1]);
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break;
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} else {
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error_msg("-I currently requires a filename to be specifies");
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return(EXIT_FAILURE);
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}
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/* argument is a filename */
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default:
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}
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output_buffer = deb_extract(argv[optind], optflag, argument, NULL);
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if (optflag & extract_field) {
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char *field = NULL;
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int field_length = 0;
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int field_start = 0;
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while ((field = read_package_field(&output_buffer[field_start])) != NULL) {
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field_length = strlen(field);
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field_start += (field_length + 1);
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if (strstr(field, argument) == field) {
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puts(field + strlen(argument) + 2);
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}
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free(field);
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}
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}
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return(EXIT_SUCCESS);
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}
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