modules/access/mms/buffer.h

   1 /*****************************************************************************
   2  * buffer.h: MMS access plug-in
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef _MMS_BUFFER_H_
  25 #define _MMS_BUFFER_H_ 1
  26
  27 typedef struct
  28 {
  29     uint8_t *p_data;    // pointer on data
  30     int     i_data;     // number of bytes set in p_data
  31
  32     // private
  33     int    i_size;     // size of p_data memory allocated
  34 } var_buffer_t;
  35
  36 /*****************************************************************************
  37  * Macro/Function to create/manipulate buffer
  38  *****************************************************************************/
  39 int  var_buffer_initwrite( var_buffer_t *p_buf, int i_default_size );
  40 int  var_buffer_reinitwrite( var_buffer_t *p_buf, int i_default_size );
  41 void var_buffer_add8 ( var_buffer_t *p_buf, uint8_t  i_byte );
  42 void var_buffer_add16( var_buffer_t *p_buf, uint16_t i_word );
  43 void var_buffer_add32( var_buffer_t *p_buf, uint32_t i_word );
  44 void var_buffer_add64( var_buffer_t *p_buf, uint64_t i_word );
  45 void var_buffer_addmemory( var_buffer_t *p_buf, void *p_mem, int i_mem );
  46 void var_buffer_addUTF16( var_buffer_t *p_buf, const char *p_str );
  47 void var_buffer_free( var_buffer_t *p_buf );
  48
  49
  50 void      var_buffer_initread( var_buffer_t *p_buf, void *p_data, int i_data );
  51 uint8_t   var_buffer_get8 ( var_buffer_t *p_buf );
  52 uint16_t  var_buffer_get16( var_buffer_t *p_buf );
  53 uint32_t  var_buffer_get32( var_buffer_t *p_buf );
  54 uint64_t  var_buffer_get64( var_buffer_t *p_buf );
  55 int       var_buffer_getmemory ( var_buffer_t *p_buf, void *p_mem, int64_t i_mem );
  56 int       var_buffer_readempty( var_buffer_t *p_buf );
  57 void      var_buffer_getguid( var_buffer_t *p_buf, guid_t *p_guid );
  58
  59 #endif