1 /* vi: set sw=4 ts=4: */
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Library General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include "unarchive.h"
23 char get_header_tar_gz(archive_handle_t *archive_handle)
25 unsigned char magic[2];
27 /* Cant lseek over pipe's */
28 archive_handle->seek = seek_by_char;
30 archive_xread_all(archive_handle, &magic, 2);
31 if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
32 bb_error_msg_and_die("Invalid gzip magic");
35 check_header_gzip(archive_handle->src_fd);
37 archive_handle->src_fd = open_transformer(archive_handle->src_fd, inflate_gunzip);
38 archive_handle->offset = 0;
39 while (get_header_tar(archive_handle) == EXIT_SUCCESS);
41 /* Can only do one file at a time */