source: MondoRescue/branches/3.2/mindi-busybox/archival/libarchive/seek_by_jump.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");
    }
}