LXR busybox/archival/libarchive/seek_by

   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/*  If we are reading through a pipe, or from stdin then we can't lseek,
  10 *  we must read and discard the data to skip over it.
  11 */
  12void FAST_FUNC seek_by_read(int fd, off_t amount)
  13{
  14        if (amount)
  15                bb_copyfd_exact_size(fd, -1, amount);
  16}
  17