busybox/archival/libarchive/seek_by_jump.c
Denys Vlasenko d184a728cf rename archive.h to bb_archive.h. no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-09-22 12:45:14 +02:00

20 lines
371 B
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
#include "bb_archive.h"
void FAST_FUNC seek_by_jump(int fd, off_t amount)
{
if (amount
&& lseek(fd, amount, SEEK_CUR) == (off_t) -1
) {
if (errno == ESPIPE)
seek_by_read(fd, amount);
else
bb_perror_msg_and_die("seek failure");
}
}