src/config/intf.c

   1 /*****************************************************************************
   2  * intf.c: interface configuration handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2007 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc_common.h>
  29
  30 #include <assert.h>
  31
  32 /* Adds an extra interface to the configuration */
  33 void config_AddIntf( const char *psz_intf )
  34 {
  35     assert( psz_intf );
  36
  37     char *psz_config, *psz_parser;
  38     size_t i_len = strlen( psz_intf );
  39
  40     psz_config = psz_parser = config_GetPsz( "control" );
  41     while( psz_parser )
  42     {
  43         if( !strncmp( psz_intf, psz_parser, i_len ) )
  44         {
  45             free( psz_config );
  46             return;
  47         }
  48         psz_parser = strchr( psz_parser, ':' );
  49         if( psz_parser ) psz_parser++; /* skip the ':' */
  50     }
  51     free( psz_config );
  52
  53     psz_config = psz_parser = config_GetPsz( "extraintf" );
  54     while( psz_parser )
  55     {
  56         if( !strncmp( psz_intf, psz_parser, i_len ) )
  57         {
  58             free( psz_config );
  59             return;
  60         }
  61         psz_parser = strchr( psz_parser, ':' );
  62         if( psz_parser ) psz_parser++; /* skip the ':' */
  63     }
  64
  65     /* interface not found in the config, let's add it */
  66     if( psz_config && strlen( psz_config ) > 0 )
  67     {
  68         char *psz_newconfig;
  69         if( asprintf( &psz_newconfig, "%s:%s", psz_config, psz_intf ) != -1 )
  70         {
  71             config_PutPsz( "extraintf", psz_newconfig );
  72             free( psz_newconfig );
  73         }
  74     }
  75     else
  76         config_PutPsz( "extraintf", psz_intf );
  77
  78     free( psz_config );
  79 }
  80
  81 /* Removes an extra interface from the configuration */
  82 void config_RemoveIntf( const char *psz_intf )
  83 {
  84     assert( psz_intf );
  85
  86     char *psz_config, *psz_parser;
  87     size_t i_len = strlen( psz_intf );
  88
  89     psz_config = psz_parser = config_GetPsz( "extraintf" );
  90     while( psz_parser )
  91     {
  92         if( !strncmp( psz_intf, psz_parser, i_len ) )
  93         {
  94             char *psz_newconfig;
  95             char *psz_end = psz_parser + i_len;
  96             if( *psz_end == ':' ) psz_end++;
  97             *psz_parser = '\0';
  98             if( asprintf( &psz_newconfig, "%s%s", psz_config, psz_end ) != -1 )
  99             {
 100                 config_PutPsz( "extraintf", psz_newconfig );
 101                 free( psz_newconfig );
 102             }
 103             break;
 104         }
 105         psz_parser = strchr( psz_parser, ':' );
 106         if( psz_parser ) psz_parser++; /* skip the ':' */
 107     }
 108     free( psz_config );
 109
 110     psz_config = psz_parser = config_GetPsz( "control" );
 111     while( psz_parser )
 112     {
 113         if( !strncmp( psz_intf, psz_parser, i_len ) )
 114         {
 115             char *psz_newconfig;
 116             char *psz_end = psz_parser + i_len;
 117             if( *psz_end == ':' ) psz_end++;
 118             *psz_parser = '\0';
 119             if( asprintf( &psz_newconfig, "%s%s", psz_config, psz_end ) != -1 )
 120             {
 121                 config_PutPsz( "control", psz_newconfig );
 122                 free( psz_newconfig );
 123             }
 124             break;
 125         }
 126         psz_parser = strchr( psz_parser, ':' );
 127         if( psz_parser ) psz_parser++; /* skip the ':' */
 128     }
 129     free( psz_config );
 130 }
 131
 132 /*
 133  * Returns true if the specified extra interface is present in the
 134  * configuration, false if not
 135  */
 136 bool config_ExistIntf( const char *psz_intf )
 137 {
 138     assert( psz_intf );
 139
 140     char *psz_config, *psz_parser;
 141     size_t i_len = strlen( psz_intf );
 142
 143     psz_config = psz_parser = config_GetPsz( "extraintf" );
 144     while( psz_parser )
 145     {
 146         if( !strncmp( psz_parser, psz_intf, i_len ) )
 147         {
 148             free( psz_config );
 149             return true;
 150         }
 151         psz_parser = strchr( psz_parser, ':' );
 152         if( psz_parser ) psz_parser++; /* skip the ':' */
 153     }
 154     free( psz_config );
 155
 156     psz_config = psz_parser = config_GetPsz( "control" );
 157     while( psz_parser )
 158     {
 159         if( !strncmp( psz_parser, psz_intf, i_len ) )
 160         {
 161             free( psz_config );
 162             return true;
 163         }
 164         psz_parser = strchr( psz_parser, ':' );
 165         if( psz_parser ) psz_parser++; /* skip the ':' */
 166     }
 167     free( psz_config );
 168
 169     return false;
 170 }
 171