90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini ar implementation for busybox
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*
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* Copyright (C) 2000 by Glenn McGrath
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* Written by Glenn McGrath <bug1@optushome.com.au> 1 June 2000
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*
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* Based in part on BusyBox tar, Debian dpkg-deb and GNU ar.
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*
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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 GNU
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* 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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*/
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#include <fcntl.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <unistd.h>
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#include "busybox.h"
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extern int ar_main(int argc, char **argv)
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{
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FILE *src_stream = NULL;
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int extract_function = 0, opt = 0;
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file_headers_t *head;
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file_headers_t *ar_extract_list = NULL;
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while ((opt = getopt(argc, argv, "ovtpx")) != -1) {
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switch (opt) {
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case 'o':
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extract_function |= extract_preserve_date;
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break;
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case 'v':
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extract_function |= extract_verbose_list;
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break;
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case 't':
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extract_function |= extract_list;
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break;
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case 'p':
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extract_function |= extract_to_stdout;
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break;
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case 'x':
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extract_function |= extract_all_to_fs;
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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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/* check the src filename was specified */
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if (optind == argc) {
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show_usage();
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}
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src_stream = xfopen(argv[optind++], "r");
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head = get_ar_headers(src_stream);
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/* find files to extract or display */
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/* search through argv and build extract list */
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ar_extract_list = (file_headers_t *) xcalloc(1, sizeof(file_headers_t));
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if (optind < argc) {
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while (optind < argc) {
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ar_extract_list = add_from_archive_list(head, ar_extract_list, argv[optind]);
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optind++;
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}
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} else {
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ar_extract_list = head;
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}
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/* If there isnt even one possible entry then abort */
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if (ar_extract_list->name == NULL) {
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error_msg_and_die("No files to extract");
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}
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fseek(src_stream, 0, SEEK_SET);
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extract_archive(src_stream, stdout, ar_extract_list, extract_function, "./");
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return EXIT_SUCCESS;
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}
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