1 files changed, 42 insertions, 0 deletions
diff --git a/busybox/archival/libunarchive/get_header_tar_gz.c b/busybox/archival/libunarchive/get_header_tar_gz.c
new file mode 100644
index 0000000..9c708a9
--- /dev/null
+++ b/busybox/archival/libunarchive/get_header_tar_gz.c
@@ -0,0 +1,42 @@
+/*
+ *  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];
+
+	/* Cant lseek over pipe's */
+	archive_handle->seek = seek_by_char;
+
+	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);
+
+	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);
+}