1 /* ====================================================================
2 * Copyright (c) 1999-2015 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@OpenSSL.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
49 * This product includes cryptographic software written by Eric Young
50 * (eay@cryptsoft.com). This product includes software written by Tim
51 * Hudson (tjh@cryptsoft.com).
57 # define HEADER_COMP_H
59 # include <openssl/crypto.h>
61 # ifdef OPENSSL_NO_COMP
62 # error COMP is disabled.
70 COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
71 const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx);
72 int COMP_CTX_get_type(const COMP_CTX* comp);
73 int COMP_get_type(const COMP_METHOD *meth);
74 const char *COMP_get_name(const COMP_METHOD *meth);
75 void COMP_CTX_free(COMP_CTX *ctx);
77 int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
78 unsigned char *in, int ilen);
79 int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
80 unsigned char *in, int ilen);
82 COMP_METHOD *COMP_zlib(void);
83 void COMP_zlib_cleanup(void);
87 BIO_METHOD *BIO_f_zlib(void);
91 /* BEGIN ERROR CODES */
93 * The following lines are auto generated by the script mkerr.pl. Any changes
94 * made after this point may be overwritten when the script is next run.
96 void ERR_load_COMP_strings(void);
98 /* Error codes for the COMP functions. */
100 /* Function codes. */
101 # define COMP_F_BIO_ZLIB_FLUSH 99
102 # define COMP_F_BIO_ZLIB_NEW 100
103 # define COMP_F_BIO_ZLIB_READ 101
104 # define COMP_F_BIO_ZLIB_WRITE 102
107 # define COMP_R_ZLIB_DEFLATE_ERROR 99
108 # define COMP_R_ZLIB_INFLATE_ERROR 100
109 # define COMP_R_ZLIB_NOT_SUPPORTED 101