include/openssl/comp.h

   1 /*
   2  * Copyright 2015-2016 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 # ifdef  __cplusplus
  18 extern "C" {
  19 # endif
  20
  21
  22
  23 COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
  24 const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx);
  25 int COMP_CTX_get_type(const COMP_CTX* comp);
  26 int COMP_get_type(const COMP_METHOD *meth);
  27 const char *COMP_get_name(const COMP_METHOD *meth);
  28 void COMP_CTX_free(COMP_CTX *ctx);
  29
  30 int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
  31                         unsigned char *in, int ilen);
  32 int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
  33                       unsigned char *in, int ilen);
  34
  35 COMP_METHOD *COMP_zlib(void);
  36
  37 #if OPENSSL_API_COMPAT < 0x10100000L
  38 #define COMP_zlib_cleanup() while(0) continue
  39 #endif
  40
  41 # ifdef HEADER_BIO_H
  42 #  ifdef ZLIB
  43 const BIO_METHOD *BIO_f_zlib(void);
  44 #  endif
  45 # endif
  46
  47 /* BEGIN ERROR CODES */
  48 /*
  49  * The following lines are auto generated by the script mkerr.pl. Any changes
  50  * made after this point may be overwritten when the script is next run.
  51  */
  52 void ERR_load_COMP_strings(void);
  53
  54 /* Error codes for the COMP functions. */
  55
  56 /* Function codes. */
  57 # define COMP_F_BIO_ZLIB_FLUSH                            99
  58 # define COMP_F_BIO_ZLIB_NEW                              100
  59 # define COMP_F_BIO_ZLIB_READ                             101
  60 # define COMP_F_BIO_ZLIB_WRITE                            102
  61
  62 /* Reason codes. */
  63 # define COMP_R_ZLIB_DEFLATE_ERROR                        99
  64 # define COMP_R_ZLIB_INFLATE_ERROR                        100
  65 # define COMP_R_ZLIB_NOT_SUPPORTED                        101
  66
  67 #ifdef  __cplusplus
  68 }
  69 # endif
  70 # endif
  71
  72 #endif