1 /* 2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef HEADER_COMP_H 11 # define HEADER_COMP_H 12 13 # include <openssl/opensslconf.h> 14 15 # ifndef OPENSSL_NO_COMP 16 # include <openssl/crypto.h> 17 # include <openssl/comperr.h> 18 # ifdef __cplusplus 19 extern "C" { 20 # endif 21 22 23 24 COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); 25 const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx); 26 int COMP_CTX_get_type(const COMP_CTX* comp); 27 int COMP_get_type(const COMP_METHOD *meth); 28 const char *COMP_get_name(const COMP_METHOD *meth); 29 void COMP_CTX_free(COMP_CTX *ctx); 30 31 int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, 32 unsigned char *in, int ilen); 33 int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, 34 unsigned char *in, int ilen); 35 36 COMP_METHOD *COMP_zlib(void); 37 38 #if OPENSSL_API_COMPAT < 0x10100000L 39 #define COMP_zlib_cleanup() while(0) continue 40 #endif 41 42 # ifdef HEADER_BIO_H 43 # ifdef ZLIB 44 const BIO_METHOD *BIO_f_zlib(void); 45 # endif 46 # endif 47 48 49 # ifdef __cplusplus 50 } 51 # endif 52 # endif 53 #endif 54