Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 1 | /* |
| 2 | zip_source_begin_write_cloning.c -- clone part of file for writing |
Thomas Klausner | 9c5347e | 2021-06-18 11:33:22 +0200 | [diff] [blame] | 3 | Copyright (C) 2017-2021 Dieter Baron and Thomas Klausner |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 4 | |
| 5 | This file is part of libzip, a library to manipulate ZIP archives. |
| 6 | The authors can be contacted at <libzip@nih.at> |
| 7 | |
| 8 | Redistribution and use in source and binary forms, with or without |
| 9 | modification, are permitted provided that the following conditions |
| 10 | are met: |
| 11 | 1. Redistributions of source code must retain the above copyright |
| 12 | notice, this list of conditions and the following disclaimer. |
| 13 | 2. Redistributions in binary form must reproduce the above copyright |
| 14 | notice, this list of conditions and the following disclaimer in |
| 15 | the documentation and/or other materials provided with the |
| 16 | distribution. |
| 17 | 3. The names of the authors may not be used to endorse or promote |
| 18 | products derived from this software without specific prior |
| 19 | written permission. |
Thomas Klausner | 8eab1a2 | 2018-01-15 14:10:11 +0100 | [diff] [blame] | 20 | |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 21 | THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS |
| 22 | OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY |
| 25 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 27 | GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 28 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 29 | IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 30 | OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 31 | IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | |
| 35 | #include "zipint.h" |
| 36 | |
| 37 | |
| 38 | ZIP_EXTERN int |
Thomas Klausner | 8eab1a2 | 2018-01-15 14:10:11 +0100 | [diff] [blame] | 39 | zip_source_begin_write_cloning(zip_source_t *src, zip_uint64_t offset) { |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 40 | if (ZIP_SOURCE_IS_OPEN_WRITING(src)) { |
Thomas Klausner | a14fded | 2020-07-21 16:07:23 +0200 | [diff] [blame] | 41 | zip_error_set(&src->error, ZIP_ER_INVAL, 0); |
| 42 | return -1; |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 43 | } |
Thomas Klausner | 8eab1a2 | 2018-01-15 14:10:11 +0100 | [diff] [blame] | 44 | |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 45 | if (_zip_source_call(src, NULL, offset, ZIP_SOURCE_BEGIN_WRITE_CLONING) < 0) { |
Thomas Klausner | a14fded | 2020-07-21 16:07:23 +0200 | [diff] [blame] | 46 | return -1; |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | src->write_state = ZIP_SOURCE_WRITE_OPEN; |
Thomas Klausner | 8eab1a2 | 2018-01-15 14:10:11 +0100 | [diff] [blame] | 50 | |
Dieter Baron | 5caa9c9 | 2017-12-11 16:50:12 +0100 | [diff] [blame] | 51 | return 0; |
| 52 | } |