| "Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +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 | 237ae42 | 2002-11-03 14:05:15 +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 | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 7 | |
| 8 | #include <errno.h> |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 9 | #include <unistd.h> |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 10 | |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 11 | #include "libbb.h" |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 12 | #include "unarchive.h" |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 13 | |
| Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 14 | void data_align(archive_handle_t *archive_handle, const unsigned short boundary) |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 15 | { |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 16 | const unsigned short skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary; |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 17 | |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 18 | archive_handle->seek(archive_handle, skip_amount); |
| Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 19 | archive_handle->offset += skip_amount; |
| 20 | |
| 21 | return; |
| Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 22 | } |