diff options
Diffstat (limited to 'ar.c')
| -rw-r--r-- | ar.c | 89 |
1 files changed, 0 insertions, 89 deletions
@@ -1,89 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Mini ar implementation for busybox - * - * Copyright (C) 2000 by Glenn McGrath - * Written by Glenn McGrath <bug1@optushome.com.au> 1 June 2000 - * - * Based in part on BusyBox tar, Debian dpkg-deb and GNU ar. - * - * 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 - * - */ -#include <fcntl.h> -#include <stdlib.h> -#include <string.h> -#include <getopt.h> -#include <unistd.h> -#include "busybox.h" - -extern int ar_main(int argc, char **argv) -{ - FILE *src_stream = NULL; - char **extract_names = NULL; - char ar_magic[8]; - int extract_function = extract_unconditional; - int opt; - int num_of_entries = 0; - extern off_t archive_offset; - - while ((opt = getopt(argc, argv, "ovtpx")) != -1) { - switch (opt) { - case 'o': - extract_function |= extract_preserve_date; - break; - case 'v': - extract_function |= extract_verbose_list; - break; - case 't': - extract_function |= extract_list; - break; - case 'p': - extract_function |= extract_to_stdout; - break; - case 'x': - extract_function |= extract_all_to_fs; - break; - default: - show_usage(); - } - } - - /* check the src filename was specified */ - if (optind == argc) { - show_usage(); - } - - src_stream = xfopen(argv[optind++], "r"); - - /* check ar magic */ - fread(ar_magic, 1, 8, src_stream); - archive_offset = 8; - if (strncmp(ar_magic,"!<arch>",7) != 0) { - error_msg_and_die("invalid magic"); - } - - /* Create a list of files to extract */ - while (optind < argc) { - extract_names = xrealloc(extract_names, sizeof(char *) * (num_of_entries + 2)); - extract_names[num_of_entries] = xstrdup(argv[optind]); - num_of_entries++; - extract_names[num_of_entries] = NULL; - optind++; - } - - unarchive(src_stream, stdout, &get_header_ar, extract_function, "./", extract_names, NULL); - return EXIT_SUCCESS; -} |