busybox/archival/libarchive/get_header_tar_xz.c

/* vi: set sw=4 ts=4: */
/*
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */
#include "libbb.h"
#include "bb_archive.h"

char FAST_FUNC get_header_tar_xz(archive_handle_t *archive_handle)
{
	/* Can't lseek over pipes */
	archive_handle->seek = seek_by_read;

	fork_transformer_with_sig(archive_handle->src_fd, unpack_xz_stream, "unxz");
	archive_handle->offset = 0;
	while (get_header_tar(archive_handle) == EXIT_SUCCESS)
		continue;

	/* Can only do one file at a time */
	return EXIT_FAILURE;
}