[ALSA] cmipci: fix version 37 detection
[linux-2.6.git] / crypto / compress.c
1 /*
2  * Cryptographic API.
3  *
4  * Compression operations.
5  *
6  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License as published by the Free
10  * Software Foundation; either version 2 of the License, or (at your option) 
11  * any later version.
12  *
13  */
14 #include <linux/types.h>
15 #include <linux/crypto.h>
16 #include <linux/errno.h>
17 #include <asm/scatterlist.h>
18 #include <linux/string.h>
19 #include "internal.h"
20
21 static int crypto_compress(struct crypto_tfm *tfm,
22                             const u8 *src, unsigned int slen,
23                             u8 *dst, unsigned int *dlen)
24 {
25         return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
26                                                          dlen);
27 }
28
29 static int crypto_decompress(struct crypto_tfm *tfm,
30                              const u8 *src, unsigned int slen,
31                              u8 *dst, unsigned int *dlen)
32 {
33         return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
34                                                            dlen);
35 }
36
37 int crypto_init_compress_ops(struct crypto_tfm *tfm)
38 {
39         struct compress_tfm *ops = &tfm->crt_compress;
40
41         ops->cot_compress = crypto_compress;
42         ops->cot_decompress = crypto_decompress;
43         
44         return 0;
45 }
46
47 void crypto_exit_compress_ops(struct crypto_tfm *tfm)
48 {
49 }