| "Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| Glenn L McGrath | 95ebf61 | 2001-10-25 14:18:08 +0000 | [diff] [blame] | 2 | /* |
| "Robert P. J. Day" | 801ab14 | 2006-07-12 07:56:04 +0000 | [diff] [blame] | 3 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| Glenn L McGrath | 95ebf61 | 2001-10-25 14:18:08 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 6 | #include <sys/types.h> |
| Glenn L McGrath | 95ebf61 | 2001-10-25 14:18:08 +0000 | [diff] [blame] | 7 | #include <errno.h> |
| Glenn L McGrath | 7134d65 | 2001-10-27 13:14:52 +0000 | [diff] [blame] | 8 | #include <unistd.h> |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 9 | #include <stdlib.h> |
| Glenn L McGrath | 95ebf61 | 2001-10-25 14:18:08 +0000 | [diff] [blame] | 10 | |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 11 | #include "libbb.h" |
| 12 | #include "unarchive.h" |
| 13 | |
| Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 14 | void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount) |
| Glenn L McGrath | 95ebf61 | 2001-10-25 14:18:08 +0000 | [diff] [blame] | 15 | { |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 16 | if (lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1) { |
| Glenn L McGrath | 5703341 | 2002-11-08 08:07:38 +0000 | [diff] [blame] | 17 | #ifdef CONFIG_FEATURE_UNARCHIVE_TAPE |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 18 | if (errno == ESPIPE) { |
| 19 | seek_by_char(archive_handle, amount); |
| 20 | } else |
| 21 | #endif |
| Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 22 | bb_perror_msg_and_die("Seek failure"); |
| Glenn L McGrath | 95ebf61 | 2001-10-25 14:18:08 +0000 | [diff] [blame] | 23 | } |
| Eric Andersen | 2276d83 | 2002-07-11 11:11:56 +0000 | [diff] [blame] | 24 | } |