]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3e2cda69 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2015 Lennart Poettering | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
71d35b6b | 23 | #include <bzlib.h> |
3e2cda69 | 24 | #include <lzma.h> |
71d35b6b | 25 | #include <sys/types.h> |
3e2cda69 | 26 | #include <zlib.h> |
3e2cda69 LP |
27 | |
28 | #include "macro.h" | |
29 | ||
30 | typedef enum ImportCompressType { | |
31 | IMPORT_COMPRESS_UNKNOWN, | |
32 | IMPORT_COMPRESS_UNCOMPRESSED, | |
33 | IMPORT_COMPRESS_XZ, | |
34 | IMPORT_COMPRESS_GZIP, | |
35 | IMPORT_COMPRESS_BZIP2, | |
36 | _IMPORT_COMPRESS_TYPE_MAX, | |
37 | _IMPORT_COMPRESS_TYPE_INVALID = -1, | |
38 | } ImportCompressType; | |
39 | ||
40 | typedef struct ImportCompress { | |
41 | ImportCompressType type; | |
587fec42 | 42 | bool encoding; |
3e2cda69 LP |
43 | union { |
44 | lzma_stream xz; | |
45 | z_stream gzip; | |
46 | bz_stream bzip2; | |
47 | }; | |
48 | } ImportCompress; | |
49 | ||
50 | typedef int (*ImportCompressCallback)(const void *data, size_t size, void *userdata); | |
51 | ||
52 | void import_compress_free(ImportCompress *c); | |
53 | ||
54 | int import_uncompress_detect(ImportCompress *c, const void *data, size_t size); | |
3e2cda69 LP |
55 | int import_uncompress(ImportCompress *c, const void *data, size_t size, ImportCompressCallback callback, void *userdata); |
56 | ||
587fec42 LP |
57 | int import_compress_init(ImportCompress *c, ImportCompressType t); |
58 | int import_compress(ImportCompress *c, const void *data, size_t size, void **buffer, size_t *buffer_size, size_t *buffer_allocated); | |
59 | int import_compress_finish(ImportCompress *c, void **buffer, size_t *buffer_size, size_t *buffer_allocated); | |
60 | ||
3e2cda69 LP |
61 | const char* import_compress_type_to_string(ImportCompressType t) _const_; |
62 | ImportCompressType import_compress_type_from_string(const char *s) _pure_; |