1/* vi: set sw=4 ts=4: */ 2/* 3 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. 4 */ 5 6#include "libbb.h" 7#include "unarchive.h" 8 9void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount) 10{ 11 if (lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1) { 12#if ENABLE_FEATURE_UNARCHIVE_TAPE 13 if (errno == ESPIPE) { 14 seek_by_read(archive_handle, amount); 15 } else 16#endif 17 bb_perror_msg_and_die("seek failure"); 18 } 19} 20