compress.h
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1 /* compress.h
2  *
3  * Copyright (C) 2006-2020 wolfSSL Inc.
4  *
5  * This file is part of wolfSSL.
6  *
7  * wolfSSL is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * wolfSSL is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
20  */
21 
27 #ifndef WOLF_CRYPT_COMPRESS_H
28 #define WOLF_CRYPT_COMPRESS_H
29 
31 
32 #ifdef HAVE_LIBZ
33 
34 #ifdef __cplusplus
35  extern "C" {
36 #endif
37 
38 
39 #define COMPRESS_FIXED 1
40 
41 #define LIBZ_WINBITS_GZIP 16
42 
43 
44 WOLFSSL_API int wc_Compress(byte*, word32, const byte*, word32, word32);
45 WOLFSSL_API int wc_Compress_ex(byte* out, word32 outSz, const byte* in,
46  word32 inSz, word32 flags, word32 windowBits);
47 WOLFSSL_API int wc_DeCompress(byte*, word32, const byte*, word32);
48 WOLFSSL_API int wc_DeCompress_ex(byte* out, word32 outSz, const byte* in,
49  word32 inSz, int windowBits);
50 
51 #ifdef __cplusplus
52  } /* extern "C" */
53 #endif
54 
55 
56 #endif /* HAVE_LIBZ */
57 #endif /* WOLF_CRYPT_COMPRESS_H */
58 
WOLFSSL_API int wc_Compress(byte *, word32, const byte *, word32, word32)
This function compresses the given input data using Huffman coding and stores the output in out...
Definition: compress.c:125
WOLFSSL_API int wc_DeCompress(byte *, word32, const byte *, word32)
This function decompresses the given compressed data using Huffman coding and stores the output in ou...
Definition: compress.c:191