hush/archival/libunarchive/seek_by_jump.c

20 lines
453 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"
void FAST_FUNC seek_by_jump(const archive_handle_t *archive_handle, unsigned amount)
{
if (amount
&& lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1
) {
if (errno == ESPIPE)
seek_by_read(archive_handle, amount);
else
bb_perror_msg_and_die("seek failure");
}
}