src/config/intf.c

   1 /*****************************************************************************
   2  * intf.c: interface configuration handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   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 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc_common.h>
  29
  30 #include <assert.h>
  31
  32 #undef config_AddIntf
  33 /* Adds an extra interface to the configuration */
  34 void config_AddIntf( vlc_object_t *p_this, const char *psz_intf )
  35 {
  36     assert( psz_intf );
  37
  38     char *psz_config, *psz_parser;
  39     size_t i_len = strlen( psz_intf );
  40
  41     psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "control" );
  42     while( psz_parser )
  43     {
  44         if( !strncmp( psz_intf, psz_parser, i_len ) )
  45         {
  46             free( psz_config );
  47             return;
  48         }
  49         psz_parser = strchr( psz_parser, ':' );
  50         if( psz_parser ) psz_parser++; /* skip the ':' */
  51     }
  52     free( psz_config );
  53
  54     psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "extraintf" );
  55     while( psz_parser )
  56     {
  57         if( !strncmp( psz_intf, psz_parser, i_len ) )
  58         {
  59             free( psz_config );
  60             return;
  61         }
  62         psz_parser = strchr( psz_parser, ':' );
  63         if( psz_parser ) psz_parser++; /* skip the ':' */
  64     }
  65
  66     /* interface not found in the config, let's add it */
  67     if( psz_config && strlen( psz_config ) > 0 )
  68     {
  69         char *psz_newconfig;
  70         if( asprintf( &psz_newconfig, "%s:%s", psz_config, psz_intf ) != -1 )
  71         {
  72             config_PutPsz( p_this->p_libvlc, "extraintf", psz_newconfig );
  73             free( psz_newconfig );
  74         }
  75     }
  76     else
  77         config_PutPsz( p_this->p_libvlc, "extraintf", psz_intf );
  78
  79     free( psz_config );
  80 }
  81
  82 #undef config_RemoveIntf
  83 /* Removes an extra interface from the configuration */
  84 void config_RemoveIntf( vlc_object_t *p_this, const char *psz_intf )
  85 {
  86     assert( psz_intf );
  87
  88     char *psz_config, *psz_parser;
  89     size_t i_len = strlen( psz_intf );
  90
  91     psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "extraintf" );
  92     while( psz_parser )
  93     {
  94         if( !strncmp( psz_intf, psz_parser, i_len ) )
  95         {
  96             char *psz_newconfig;
  97             char *psz_end = psz_parser + i_len;
  98             if( *psz_end == ':' ) psz_end++;
  99             *psz_parser = '\0';
 100             if( asprintf( &psz_newconfig, "%s%s", psz_config, psz_end ) != -1 )
 101             {
 102                 config_PutPsz( p_this->p_libvlc, "extraintf", psz_newconfig );
 103                 free( psz_newconfig );
 104             }
 105             break;
 106         }
 107         psz_parser = strchr( psz_parser, ':' );
 108         if( psz_parser ) psz_parser++; /* skip the ':' */
 109     }
 110     free( psz_config );
 111
 112     psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "control" );
 113     while( psz_parser )
 114     {
 115         if( !strncmp( psz_intf, psz_parser, i_len ) )
 116         {
 117             char *psz_newconfig;
 118             char *psz_end = psz_parser + i_len;
 119             if( *psz_end == ':' ) psz_end++;
 120             *psz_parser = '\0';
 121             if( asprintf( &psz_newconfig, "%s%s", psz_config, psz_end ) != -1 )
 122             {
 123                 config_PutPsz( p_this->p_libvlc, "control", psz_newconfig );
 124                 free( psz_newconfig );
 125             }
 126             break;
 127         }
 128         psz_parser = strchr( psz_parser, ':' );
 129         if( psz_parser ) psz_parser++; /* skip the ':' */
 130     }
 131     free( psz_config );
 132 }
 133
 134 #undef config_ExistIntf
 135 /*
 136  * Returns true if the specified extra interface is present in the
 137  * configuration, false if not
 138  */
 139 bool config_ExistIntf( vlc_object_t *p_this, const char *psz_intf )
 140 {
 141     assert( psz_intf );
 142
 143     char *psz_config, *psz_parser;
 144     size_t i_len = strlen( psz_intf );
 145
 146     psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "extraintf" );
 147     while( psz_parser )
 148     {
 149         if( !strncmp( psz_parser, psz_intf, i_len ) )
 150         {
 151             free( psz_config );
 152             return true;
 153         }
 154         psz_parser = strchr( psz_parser, ':' );
 155         if( psz_parser ) psz_parser++; /* skip the ':' */
 156     }
 157     free( psz_config );
 158
 159     psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "control" );
 160     while( psz_parser )
 161     {
 162         if( !strncmp( psz_parser, psz_intf, i_len ) )
 163         {
 164             free( psz_config );
 165             return true;
 166         }
 167         psz_parser = strchr( psz_parser, ':' );
 168         if( psz_parser ) psz_parser++; /* skip the ':' */
 169     }
 170     free( psz_config );
 171
 172     return false;
 173 }
 174