Add one-line GPL boilerplate to numerous (but not all yet) source files.

[oweals/busybox.git] / archival / libunarchive / data_align.c

diff --git a/archival/libunarchive/data_align.c b/archival/libunarchive/data_align.c
index d6243bc19293ec64da88d1e2ac04c01dc392490a..81594d87c8706e3110d3b721a01ad7cc2217e27e 100644 (file)
--- a/archival/libunarchive/data_align.c
+++ b/archival/libunarchive/data_align.c
@@ -1,13 +1,22 @@
-#include <errno.h>
+/* 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 "unarchive.h"
+
 #include "libbb.h"
+#include "unarchive.h"
 
-extern const unsigned short data_align(const int src_fd, const unsigned int offset, const unsigned short align_to)
+void data_align(archive_handle_t *archive_handle, const unsigned short boundary)
 {
-       const unsigned short skip_amount = (align_to - (offset % align_to)) % align_to;
-       seek_sub_file(src_fd, skip_amount);
+       const unsigned short skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary;
+
+       archive_handle->seek(archive_handle, skip_amount);
+       archive_handle->offset += skip_amount;
 
-       return(skip_amount);
+       return;
 }