lib/gnutls_compress_int.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation
   3  *
   4  * Author: Nikos Mavroyanopoulos
   5  *
   6  * This file is part of GNUTLS.
   7  *
   8  * The GNUTLS library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 2.1 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21  * USA
  22  *
  23  */
  24
  25 #ifndef GNUTLS_COMP_INT
  26 # define GNUTLS_COMP_INT
  27
  28 #ifdef HAVE_LIBZ
  29 # include <zlib.h>
  30 #endif
  31
  32 #define GNUTLS_COMP_FAILED NULL
  33
  34 typedef struct comp_hd_t_STRUCT
  35 {
  36   void *handle;
  37   gnutls_compression_method_t algo;
  38 } *comp_hd_t;
  39
  40 comp_hd_t _gnutls_comp_init (gnutls_compression_method_t, int d);
  41 void _gnutls_comp_deinit (comp_hd_t handle, int d);
  42
  43 int _gnutls_decompress (comp_hd_t handle, opaque * compressed,
  44                         size_t compressed_size, opaque ** plain,
  45                         size_t max_record_size);
  46 int _gnutls_compress (comp_hd_t, const opaque * plain, size_t plain_size,
  47                       opaque ** compressed, size_t max_comp_size);
  48
  49 #endif