busybox/archival/libunarchive/get_header_tar_gz.c
2006-10-08 12:49:22 +00:00

32 lines
756 B
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <stdlib.h>
#include "libbb.h"
#include "unarchive.h"
char get_header_tar_gz(archive_handle_t *archive_handle)
{
unsigned char magic[2];
/* Cant lseek over pipe's */
archive_handle->seek = seek_by_read;
xread(archive_handle->src_fd, &magic, 2);
if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
bb_error_msg_and_die("invalid gzip magic");
}
check_header_gzip(archive_handle->src_fd);
archive_handle->src_fd = open_transformer(archive_handle->src_fd, inflate_gunzip);
archive_handle->offset = 0;
while (get_header_tar(archive_handle) == EXIT_SUCCESS) /**/;
/* Can only do one file at a time */
return EXIT_FAILURE;
}