1 files changed, 22 insertions, 0 deletions
diff --git a/archival/libunarchive/data_align.c b/archival/libunarchive/data_align.c
new file mode 100644
index 000000000..81594d87c
--- /dev/null
+++ b/archival/libunarchive/data_align.c
@@ -0,0 +1,22 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include <sys/types.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#include "libbb.h"
+#include "unarchive.h"
+
+void data_align(archive_handle_t *archive_handle, const unsigned short boundary)
+{
+	const unsigned short skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary;
+
+	archive_handle->seek(archive_handle, skip_amount);
+	archive_handle->offset += skip_amount;
+
+	return;
+}