busybox/archival/libunarchive/seek_by_read.c
2007-05-31 22:42:12 +00:00

17 lines
461 B
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include "unarchive.h"
/* If we are reading through a pipe(), or from stdin then we can't lseek,
* we must read and discard the data to skip over it.
*/
void seek_by_read(const archive_handle_t *archive_handle, const unsigned int jump_size)
{
if (jump_size)
bb_copyfd_exact_size(archive_handle->src_fd, -1, jump_size);
}