blob: 42ebd8bd59b7a1bb43a1f488b8142c9dc02d5d85 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
#include <string.h>
#include "internal.h"
typedef compressor_t *(*compressor_fun_t)(bool compress, size_t block_size);
static compressor_fun_t compressors[SQFS_COMP_MAX + 1] = {
#ifdef WITH_GZIP
[SQFS_COMP_GZIP] = create_gzip_compressor,
#endif
#ifdef WITH_XZ
[SQFS_COMP_XZ] = create_xz_compressor,
#endif
#ifdef WITH_LZO
[SQFS_COMP_LZO] = create_lzo_compressor,
#endif
};
bool compressor_exists(E_SQFS_COMPRESSOR id)
{
if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX)
return false;
return (compressors[id] != NULL);
}
compressor_t *compressor_create(E_SQFS_COMPRESSOR id, bool compress,
size_t block_size)
{
if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX)
return NULL;
if (compressors[id] == NULL)
return NULL;
return compressors[id](compress, block_size);
}
|