New common unarchive code.
diff --git a/archival/libunarchive/data_skip.c b/archival/libunarchive/data_skip.c
new file mode 100644
index 0000000..4e63d43
--- /dev/null
+++ b/archival/libunarchive/data_skip.c
@@ -0,0 +1,27 @@
+/*
+ * 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 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 <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "unarchive.h"
+#include "libbb.h"
+
+extern void data_skip(archive_handle_t *archive_handle)
+{
+ seek_sub_file(archive_handle->src_fd, archive_handle->file_header->size);
+}