hush/archival/libunarchive/get_header_tar_gz.c
2003-03-19 09:13:01 +00:00

50 lines
1.4 KiB
C

/*
* 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 Library 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 <stdlib.h>
#include "libbb.h"
#include "unarchive.h"
extern char get_header_tar_gz(archive_handle_t *archive_handle)
{
unsigned char magic[2];
archive_xread_all(archive_handle, &magic, 2);
if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
bb_error_msg_and_die("Invalid gzip magic");
}
check_header_gzip(archive_handle->src_fd);
GZ_gzReadOpen(archive_handle->src_fd, 0, 0);
archive_handle->read = read_gz;
archive_handle->seek = seek_by_char;
archive_handle->offset = 0;
while (get_header_tar(archive_handle) == EXIT_SUCCESS);
/* Cleanup */
GZ_gzReadClose();
check_trailer_gzip(archive_handle->src_fd);
/* Can only do one tar.bz2 per archive */
return(EXIT_FAILURE);
}