1 files changed, 15 insertions, 0 deletions

diff --git a/archival/libarchive/data_align.c b/archival/libarchive/data_align.c
new file mode 100644
index 000000000..2e56fa8ff
--- /dev/null
+++ b/archival/libarchive/data_align.c
@@ -0,0 +1,15 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+#include "libbb.h"
+#include "archive.h"
+
+void FAST_FUNC data_align(archive_handle_t *archive_handle, unsigned boundary)
+{
+        unsigned skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary;
+
+        archive_handle->seek(archive_handle->src_fd, skip_amount);
+        archive_handle->offset += skip_amount;
+}