release/src/router/busybox/archival/libarchive/data_align.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   4  */
   5
   6 #include "libbb.h"
   7 #include "bb_archive.h"
   8
   9 void FAST_FUNC data_align(archive_handle_t *archive_handle, unsigned boundary)
  10 {
  11         unsigned skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary;
  12
  13         archive_handle->seek(archive_handle->src_fd, skip_amount);
  14         archive_handle->offset += skip_amount;
  15 }