/***************************************************************************** * core.c management of the modules configuration ***************************************************************************** * Copyright (C) 2001-2007 the VideoLAN team * $Id$ * * Authors: Gildas Bazin * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #include #include "../libvlc.h" #include "vlc_keys.h" #include "vlc_charset.h" #include /* errno */ #ifdef HAVE_LIMITS_H # include #endif #ifdef HAVE_UNISTD_H # include /* getuid() */ #endif #ifdef HAVE_GETOPT_LONG # ifdef HAVE_GETOPT_H # include /* getopt() */ # endif #else # include "../extras/getopt.h" #endif #if defined(HAVE_GETPWUID) # include /* getpwuid() */ #endif #if defined( HAVE_SYS_STAT_H ) # include #endif #if defined( HAVE_SYS_TYPES_H ) # include #endif #if defined( WIN32 ) # if !defined( UNDER_CE ) # include # endif #include #endif #include "config.h" #include "modules/modules.h" static inline char *strdupnull (const char *src) { return src ? strdup (src) : NULL; } static inline char *_strdupnull (const char *src) { return src ? strdup (_(src)) : NULL; } /* Item types that use a string value (i.e. serialized in the module cache) */ int IsConfigStringType (int type) { static const unsigned char config_types[] = { CONFIG_ITEM_STRING, CONFIG_ITEM_FILE, CONFIG_ITEM_MODULE, CONFIG_ITEM_DIRECTORY, CONFIG_ITEM_MODULE_CAT, CONFIG_ITEM_PASSWORD, CONFIG_ITEM_MODULE_LIST, CONFIG_ITEM_MODULE_LIST_CAT }; /* NOTE: this needs to be changed if we ever get more than 255 types */ return memchr (config_types, type, sizeof (config_types)) != NULL; } static int IsConfigIntegerType (int type) { static const unsigned char config_types[] = { CONFIG_ITEM_INTEGER, CONFIG_ITEM_KEY, CONFIG_ITEM_BOOL, CONFIG_CATEGORY, CONFIG_SUBCATEGORY }; return memchr (config_types, type, sizeof (config_types)) != NULL; } static inline int IsConfigFloatType (int type) { return type == CONFIG_ITEM_FLOAT; } /***************************************************************************** * config_GetType: get the type of a variable (bool, int, float, string) ***************************************************************************** * This function is used to get the type of a variable from its name. * Beware, this is quite slow. *****************************************************************************/ int __config_GetType( vlc_object_t *p_this, const char *psz_name ) { module_config_t *p_config; int i_type; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { return 0; } switch( p_config->i_type ) { case CONFIG_ITEM_BOOL: i_type = VLC_VAR_BOOL; break; case CONFIG_ITEM_INTEGER: case CONFIG_ITEM_KEY: i_type = VLC_VAR_INTEGER; break; case CONFIG_ITEM_FLOAT: i_type = VLC_VAR_FLOAT; break; case CONFIG_ITEM_MODULE: case CONFIG_ITEM_MODULE_CAT: case CONFIG_ITEM_MODULE_LIST: case CONFIG_ITEM_MODULE_LIST_CAT: i_type = VLC_VAR_MODULE; break; case CONFIG_ITEM_STRING: i_type = VLC_VAR_STRING; break; case CONFIG_ITEM_PASSWORD: i_type = VLC_VAR_STRING; break; case CONFIG_ITEM_FILE: i_type = VLC_VAR_FILE; break; case CONFIG_ITEM_DIRECTORY: i_type = VLC_VAR_DIRECTORY; break; default: i_type = 0; break; } return i_type; } /***************************************************************************** * config_GetInt: get the value of an int variable ***************************************************************************** * This function is used to get the value of variables which are internally * represented by an integer (CONFIG_ITEM_INTEGER and * CONFIG_ITEM_BOOL). *****************************************************************************/ int __config_GetInt( vlc_object_t *p_this, const char *psz_name ) { module_config_t *p_config; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { msg_Err( p_this, "option %s does not exist", psz_name ); return -1; } if (!IsConfigIntegerType (p_config->i_type)) { msg_Err( p_this, "option %s does not refer to an int", psz_name ); return -1; } return p_config->value.i; } /***************************************************************************** * config_GetFloat: get the value of a float variable ***************************************************************************** * This function is used to get the value of variables which are internally * represented by a float (CONFIG_ITEM_FLOAT). *****************************************************************************/ float __config_GetFloat( vlc_object_t *p_this, const char *psz_name ) { module_config_t *p_config; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { msg_Err( p_this, "option %s does not exist", psz_name ); return -1; } if (!IsConfigFloatType (p_config->i_type)) { msg_Err( p_this, "option %s does not refer to a float", psz_name ); return -1; } return p_config->value.f; } /***************************************************************************** * config_GetPsz: get the string value of a string variable ***************************************************************************** * This function is used to get the value of variables which are internally * represented by a string (CONFIG_ITEM_STRING, CONFIG_ITEM_FILE, * CONFIG_ITEM_DIRECTORY, CONFIG_ITEM_PASSWORD, and CONFIG_ITEM_MODULE). * * Important note: remember to free() the returned char* because it's a * duplicate of the actual value. It isn't safe to return a pointer to the * actual value as it can be modified at any time. *****************************************************************************/ char * __config_GetPsz( vlc_object_t *p_this, const char *psz_name ) { module_config_t *p_config; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { msg_Err( p_this, "option %s does not exist", psz_name ); return NULL; } if (!IsConfigStringType (p_config->i_type)) { msg_Err( p_this, "option %s does not refer to a string", psz_name ); return NULL; } /* return a copy of the string */ vlc_mutex_lock( p_config->p_lock ); char *psz_value = strdupnull (p_config->value.psz); vlc_mutex_unlock( p_config->p_lock ); return psz_value; } /***************************************************************************** * config_PutPsz: set the string value of a string variable ***************************************************************************** * This function is used to set the value of variables which are internally * represented by a string (CONFIG_ITEM_STRING, CONFIG_ITEM_FILE, * CONFIG_ITEM_DIRECTORY, CONFIG_ITEM_PASSWORD, and CONFIG_ITEM_MODULE). *****************************************************************************/ void __config_PutPsz( vlc_object_t *p_this, const char *psz_name, const char *psz_value ) { module_config_t *p_config; vlc_value_t oldval, val; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { msg_Warn( p_this, "option %s does not exist", psz_name ); return; } if (!IsConfigStringType (p_config->i_type)) { msg_Err( p_this, "option %s does not refer to a string", psz_name ); return; } vlc_mutex_lock( p_config->p_lock ); /* backup old value */ oldval.psz_string = (char *)p_config->value.psz; if ((psz_value != NULL) && *psz_value) p_config->value.psz = strdup (psz_value); else p_config->value.psz = NULL; p_config->b_dirty = VLC_TRUE; val.psz_string = (char *)p_config->value.psz; vlc_mutex_unlock( p_config->p_lock ); if( p_config->pf_callback ) { p_config->pf_callback( p_this, psz_name, oldval, val, p_config->p_callback_data ); } /* free old string */ if( oldval.psz_string ) free( oldval.psz_string ); } /***************************************************************************** * config_PutInt: set the integer value of an int variable ***************************************************************************** * This function is used to set the value of variables which are internally * represented by an integer (CONFIG_ITEM_INTEGER and * CONFIG_ITEM_BOOL). *****************************************************************************/ void __config_PutInt( vlc_object_t *p_this, const char *psz_name, int i_value ) { module_config_t *p_config; vlc_value_t oldval, val; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { msg_Warn( p_this, "option %s does not exist", psz_name ); return; } if (!IsConfigIntegerType (p_config->i_type)) { msg_Err( p_this, "option %s does not refer to an int", psz_name ); return; } /* backup old value */ oldval.i_int = p_config->value.i; /* if i_min == i_max == 0, then do not use them */ if ((p_config->min.i == 0) && (p_config->max.i == 0)) { p_config->value.i = i_value; } else if (i_value < p_config->min.i) { p_config->value.i = p_config->min.i; } else if (i_value > p_config->max.i) { p_config->value.i = p_config->max.i; } else { p_config->value.i = i_value; } p_config->b_dirty = VLC_TRUE; val.i_int = p_config->value.i; if( p_config->pf_callback ) { p_config->pf_callback( p_this, psz_name, oldval, val, p_config->p_callback_data ); } } /***************************************************************************** * config_PutFloat: set the value of a float variable ***************************************************************************** * This function is used to set the value of variables which are internally * represented by a float (CONFIG_ITEM_FLOAT). *****************************************************************************/ void __config_PutFloat( vlc_object_t *p_this, const char *psz_name, float f_value ) { module_config_t *p_config; vlc_value_t oldval, val; p_config = config_FindConfig( p_this, psz_name ); /* sanity checks */ if( !p_config ) { msg_Warn( p_this, "option %s does not exist", psz_name ); return; } if (!IsConfigFloatType (p_config->i_type)) { msg_Err( p_this, "option %s does not refer to a float", psz_name ); return; } /* backup old value */ oldval.f_float = p_config->value.f; /* if f_min == f_max == 0, then do not use them */ if ((p_config->min.f == 0) && (p_config->max.f == 0)) { p_config->value.f = f_value; } else if (f_value < p_config->min.f) { p_config->value.f = p_config->min.f; } else if (f_value > p_config->max.f) { p_config->value.f = p_config->max.f; } else { p_config->value.f = f_value; } p_config->b_dirty = VLC_TRUE; val.f_float = p_config->value.f; if( p_config->pf_callback ) { p_config->pf_callback( p_this, psz_name, oldval, val, p_config->p_callback_data ); } } /***************************************************************************** * config_FindConfig: find the config structure associated with an option. ***************************************************************************** * FIXME: This function really needs to be optimized. * FIXME: And now even more. *****************************************************************************/ module_config_t *config_FindConfig( vlc_object_t *p_this, const char *psz_name ) { vlc_list_t *p_list; int i_index; if( !psz_name ) return NULL; p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE ); for( i_index = 0; i_index < p_list->i_count; i_index++ ) { module_config_t *p_item, *p_end; module_t *p_parser = (module_t *)p_list->p_values[i_index].p_object; if( !p_parser->i_config_items ) continue; for( p_item = p_parser->p_config, p_end = p_item + p_parser->confsize; p_item < p_end; p_item++ ) { if( p_item->i_type & CONFIG_HINT ) /* ignore hints */ continue; if( !strcmp( psz_name, p_item->psz_name ) ) { vlc_list_release( p_list ); return p_item; } } } vlc_list_release( p_list ); return NULL; } /***************************************************************************** * config_FindModule: find a specific module structure. *****************************************************************************/ module_t *config_FindModule( vlc_object_t *p_this, const char *psz_name ) { vlc_list_t *p_list; module_t *p_module, *p_result = NULL; int i_index; if( !psz_name ) return NULL; p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE ); for( i_index = 0; i_index < p_list->i_count; i_index++ ) { p_module = (module_t *)p_list->p_values[i_index].p_object; if( !strcmp( p_module->psz_object_name, psz_name ) ) { p_result = p_module; break; } } vlc_list_release( p_list ); return p_result; } /***************************************************************************** * config_Duplicate: creates a duplicate of a module's configuration data. ***************************************************************************** * Unfortunatly we cannot work directly with the module's config data as * this module might be unloaded from memory at any time (remember HideModule). * This is why we need to create an exact copy of the config data. *****************************************************************************/ int config_Duplicate( module_t *p_module, const module_config_t *p_orig, size_t n ) { int j; const module_config_t *p_item, *p_end = p_orig + n; /* Calculate the structure length */ p_module->i_config_items = 0; p_module->i_bool_items = 0; for( p_item = p_orig; p_item < p_end; p_item++ ) { if( p_item->i_type & CONFIG_ITEM ) { p_module->i_config_items++; } if( p_item->i_type == CONFIG_ITEM_BOOL ) { p_module->i_bool_items++; } } /* Allocate memory */ p_module->p_config = (module_config_t *)calloc( n, sizeof(*p_orig) ); if( p_module->p_config == NULL ) { msg_Err( p_module, "config error: can't duplicate p_config" ); return VLC_ENOMEM; } p_module->confsize = n; /* Do the duplication job */ for( size_t i = 0; i < n ; i++ ) { p_module->p_config[i] = p_orig[i]; if (IsConfigIntegerType (p_module->p_config[i].i_type)) { p_module->p_config[i].orig.i = p_orig[i].value.i; p_module->p_config[i].saved.i = p_orig[i].value.i; } else if (IsConfigFloatType (p_module->p_config[i].i_type)) { p_module->p_config[i].orig.f = p_orig[i].value.f; p_module->p_config[i].saved.f = p_orig[i].value.f; } else if (IsConfigStringType (p_module->p_config[i].i_type)) { p_module->p_config[i].value.psz = strdupnull (p_orig[i].value.psz); p_module->p_config[i].orig.psz = strdupnull (p_orig[i].value.psz); p_module->p_config[i].saved.psz = NULL; } p_module->p_config[i].psz_type = strdupnull (p_orig[i].psz_type); p_module->p_config[i].psz_name = strdupnull (p_orig[i].psz_name); p_module->p_config[i].psz_current = strdupnull (p_orig[i].psz_current); p_module->p_config[i].psz_text = _strdupnull (p_orig[i].psz_text); p_module->p_config[i].psz_longtext = _strdupnull (p_orig[i].psz_longtext); p_module->p_config[i].p_lock = &p_module->object_lock; /* duplicate the string list */ if( p_orig[i].i_list ) { if( p_orig[i].ppsz_list ) { p_module->p_config[i].ppsz_list = malloc( (p_orig[i].i_list + 1) * sizeof(char *) ); if( p_module->p_config[i].ppsz_list ) { for( j = 0; j < p_orig[i].i_list; j++ ) p_module->p_config[i].ppsz_list[j] = strdupnull (p_orig[i].ppsz_list[j]); p_module->p_config[i].ppsz_list[j] = NULL; } } if( p_orig[i].ppsz_list_text ) { p_module->p_config[i].ppsz_list_text = calloc( (p_orig[i].i_list + 1), sizeof(char *) ); if( p_module->p_config[i].ppsz_list_text ) { for( j = 0; j < p_orig[i].i_list; j++ ) p_module->p_config[i].ppsz_list_text[j] = strdupnull (_(p_orig[i].ppsz_list_text[j])); p_module->p_config[i].ppsz_list_text[j] = NULL; } } if( p_orig[i].pi_list ) { p_module->p_config[i].pi_list = malloc( (p_orig[i].i_list + 1) * sizeof(int) ); if( p_module->p_config[i].pi_list ) { for( j = 0; j < p_orig[i].i_list; j++ ) p_module->p_config[i].pi_list[j] = p_orig[i].pi_list[j]; } } } /* duplicate the actions list */ if( p_orig[i].i_action ) { int j; p_module->p_config[i].ppf_action = malloc( p_orig[i].i_action * sizeof(void *) ); p_module->p_config[i].ppsz_action_text = malloc( p_orig[i].i_action * sizeof(char *) ); for( j = 0; j < p_orig[i].i_action; j++ ) { p_module->p_config[i].ppf_action[j] = p_orig[i].ppf_action[j]; p_module->p_config[i].ppsz_action_text[j] = strdupnull (p_orig[i].ppsz_action_text[j]); } } p_module->p_config[i].pf_callback = p_orig[i].pf_callback; } return VLC_SUCCESS; } /***************************************************************************** * config_Free: frees a duplicated module's configuration data. ***************************************************************************** * This function frees all the data duplicated by config_Duplicate. *****************************************************************************/ void config_Free( module_t *p_module ) { int i; for (size_t j = 0; j < p_module->confsize; j++) { module_config_t *p_item = p_module->p_config + j; free( (char*) p_item->psz_type ); free( (char*) p_item->psz_name ); free( (char*) p_item->psz_current ); free( (char*) p_item->psz_text ); free( (char*) p_item->psz_longtext ); if (IsConfigStringType (p_item->i_type)) { free ((char *)p_item->value.psz); free ((char *)p_item->orig.psz); free ((char *)p_item->saved.psz); } if( p_item->i_list ) { for( i = 0; i < p_item->i_list; i++ ) { if( p_item->ppsz_list && p_item->ppsz_list[i] ) free( (char*) p_item->ppsz_list[i] ); if( p_item->ppsz_list_text && p_item->ppsz_list_text[i] ) free( (char*) p_item->ppsz_list_text[i] ); } if( p_item->ppsz_list ) free( p_item->ppsz_list ); if( p_item->ppsz_list_text ) free( p_item->ppsz_list_text ); if( p_item->pi_list ) free( p_item->pi_list ); } if( p_item->i_action ) { for( i = 0; i < p_item->i_action; i++ ) { free( (char*) p_item->ppsz_action_text[i] ); } if( p_item->ppf_action ) free( p_item->ppf_action ); if( p_item->ppsz_action_text ) free( p_item->ppsz_action_text ); } } if (p_module->p_config != NULL) { free (p_module->p_config); p_module->p_config = NULL; } } /***************************************************************************** * config_SetCallbacks: sets callback functions in the duplicate p_config. ***************************************************************************** * Unfortunatly we cannot work directly with the module's config data as * this module might be unloaded from memory at any time (remember HideModule). * This is why we need to duplicate callbacks each time we reload the module. *****************************************************************************/ void config_SetCallbacks( module_config_t *p_new, module_config_t *p_orig, size_t n ) { for (size_t i = 0; i < n; i++) { p_new->pf_callback = p_orig->pf_callback; p_new++; p_orig++; } } /***************************************************************************** * config_UnsetCallbacks: unsets callback functions in the duplicate p_config. ***************************************************************************** * We simply undo what we did in config_SetCallbacks. *****************************************************************************/ void config_UnsetCallbacks( module_config_t *p_new, size_t n ) { for (size_t i = 0; i < n; i++) { p_new->pf_callback = NULL; p_new++; } } /***************************************************************************** * config_ResetAll: reset the configuration data for all the modules. *****************************************************************************/ void __config_ResetAll( vlc_object_t *p_this ) { int i_index; vlc_list_t *p_list; module_t *p_module; /* Acquire config file lock */ vlc_mutex_lock( &p_this->p_libvlc->config_lock ); p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE ); for( i_index = 0; i_index < p_list->i_count; i_index++ ) { p_module = (module_t *)p_list->p_values[i_index].p_object ; if( p_module->b_submodule ) continue; for (size_t i = 0; i < p_module->confsize; i++ ) { if (IsConfigIntegerType (p_module->p_config[i].i_type)) p_module->p_config[i].value.i = p_module->p_config[i].orig.i; else if (IsConfigFloatType (p_module->p_config[i].i_type)) p_module->p_config[i].value.f = p_module->p_config[i].orig.f; else if (IsConfigStringType (p_module->p_config[i].i_type)) { free ((char *)p_module->p_config[i].value.psz); p_module->p_config[i].value.psz = strdupnull (p_module->p_config[i].orig.psz); } } } vlc_list_release( p_list ); vlc_mutex_unlock( &p_this->p_libvlc->config_lock ); } /** * config_GetDataDir: find directory where shared data is installed * * @return a string (always succeeds). */ const char *config_GetDataDir( void ) { #if defined (WIN32) || defined (UNDER_CE) return vlc_global()->psz_vlcpath; #elif defined(__APPLE__) || defined (SYS_BEOS) static char path[PATH_MAX] = ""; if( *path == '\0' ) { snprintf( path, sizeof( path ), "%s/share", vlc_global()->psz_vlcpath ); path[sizeof( path ) - 1] = '\0'; } return path; #else return DATA_PATH; #endif } /***************************************************************************** * config_GetHomeDir, config_GetUserDir: find the user's home directory. ***************************************************************************** * This function will try by different ways to find the user's home path. * Note that this function is not reentrant, it should be called only once * at the beginning of main where the result will be stored for later use. *****************************************************************************/ static char *GetDir( vlc_bool_t b_appdata ) { const char *psz_localhome = NULL; #if defined(WIN32) && !defined(UNDER_CE) typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD, LPWSTR ); #ifndef CSIDL_FLAG_CREATE # define CSIDL_FLAG_CREATE 0x8000 #endif #ifndef CSIDL_APPDATA # define CSIDL_APPDATA 0x1A #endif #ifndef CSIDL_PROFILE # define CSIDL_PROFILE 0x28 #endif #ifndef SHGFP_TYPE_CURRENT # define SHGFP_TYPE_CURRENT 0 #endif HINSTANCE shfolder_dll; SHGETFOLDERPATH SHGetFolderPath ; /* load the shfolder dll to retrieve SHGetFolderPath */ if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL ) { SHGetFolderPath = (void *)GetProcAddress( shfolder_dll, _T("SHGetFolderPathW") ); if ( SHGetFolderPath != NULL ) { wchar_t whomedir[MAX_PATH]; /* get the "Application Data" folder for the current user */ if( S_OK == SHGetFolderPath( NULL, (b_appdata ? CSIDL_APPDATA : CSIDL_PROFILE) | CSIDL_FLAG_CREATE, NULL, SHGFP_TYPE_CURRENT, whomedir ) ) { FreeLibrary( shfolder_dll ); return FromWide( whomedir ); } } FreeLibrary( shfolder_dll ); } #elif defined(UNDER_CE) #ifndef CSIDL_APPDATA # define CSIDL_APPDATA 0x1A #endif wchar_t whomedir[MAX_PATH]; /* get the "Application Data" folder for the current user */ if( SHGetSpecialFolderPath( NULL, whomedir, CSIDL_APPDATA, 1 ) ) return FromWide( whomedir ); #endif psz_localhome = getenv( "HOME" ); if( psz_localhome == NULL ) { #if defined(HAVE_GETPWUID) struct passwd *p_pw; (void)b_appdata; if( ( p_pw = getpwuid( getuid() ) ) != NULL ) psz_localhome = p_pw->pw_dir; else #endif { psz_localhome = getenv( "TMP" ); if( psz_localhome == NULL ) psz_localhome = "/tmp"; } } return FromLocaleDup( psz_localhome ); } /** * Get the user's home directory */ char *config_GetHomeDir( void ) { return GetDir( VLC_FALSE ); } /** * Get the user's main data and config directory: * - on windows that's the App Data directory; * - on other OSes it's the same as the home directory. */ char *config_GetUserDir( void ); char *config_GetUserDir( void ) { return GetDir( VLC_TRUE ); } /** * Get the user's VLC configuration directory */ char *config_GetConfigDir( libvlc_int_t *p_libvlc ) { char *psz_dir; #if defined(WIN32) || defined(__APPLE__) || defined(SYS_BEOS) char *psz_parent = config_GetUserDir(); if( !psz_parent ) psz_parent = p_libvlc->psz_homedir; if( asprintf( &psz_dir, "%s" DIR_SEP CONFIG_DIR, psz_parent ) == -1 ) return NULL; return psz_dir; #else /* XDG Base Directory Specification - Version 0.6 */ char *psz_env = getenv( "XDG_CONFIG_HOME" ); if( psz_env ) { if( asprintf( &psz_dir, "%s/vlc", psz_env ) == -1 ) return NULL; return psz_dir; } psz_env = getenv( "HOME" ); if( !psz_env ) psz_env = p_libvlc->psz_homedir; /* not part of XDG spec but we want a sensible fallback */ if( asprintf( &psz_dir, "%s/.config/vlc", psz_env ) == -1 ) return NULL; return psz_dir; #endif } /** * Get the user's VLC data directory * (used for stuff like the skins, custom lua modules, ...) */ char *config_GetUserDataDir( libvlc_int_t *p_libvlc ) { char *psz_dir; #if defined(WIN32) || defined(__APPLE__) || defined(SYS_BEOS) char *psz_parent = config_GetUserDir(); if( !psz_parent ) psz_parent = p_libvlc->psz_homedir; if( asprintf( &psz_dir, "%s" DIR_SEP CONFIG_DIR, psz_parent ) == -1 ) return NULL; return psz_dir; #else /* XDG Base Directory Specification - Version 0.6 */ char *psz_env = getenv( "XDG_DATA_HOME" ); if( psz_env ) { if( asprintf( &psz_dir, "%s/vlc", psz_env ) == -1 ) return NULL; return psz_dir; } psz_env = getenv( "HOME" ); if( !psz_env ) psz_env = p_libvlc->psz_homedir; /* not part of XDG spec but we want a sensible fallback */ if( asprintf( &psz_dir, "%s/.local/share/vlc", psz_env ) == -1 ) return NULL; return psz_dir; #endif } /** * Get the user's VLC cache directory * (used for stuff like the modules cache, the album art cache, ...) */ char *config_GetCacheDir( libvlc_int_t *p_libvlc ) { char *psz_dir; #if defined(WIN32) || defined(__APPLE__) || defined(SYS_BEOS) char *psz_parent = config_GetUserDir(); if( !psz_parent ) psz_parent = p_libvlc->psz_homedir; if( asprintf( &psz_dir, "%s" DIR_SEP CONFIG_DIR, psz_parent ) == -1 ) return NULL; return psz_dir; #else /* XDG Base Directory Specification - Version 0.6 */ char *psz_env = getenv( "XDG_CACHE_HOME" ); if( psz_env ) { if( asprintf( &psz_dir, "%s/vlc", psz_env ) == -1 ) return NULL; return psz_dir; } psz_env = getenv( "HOME" ); if( !psz_env ) psz_env = p_libvlc->psz_homedir; /* not part of XDG spec but we want a sensible fallback */ if( asprintf( &psz_dir, "%s/.cache/vlc", psz_env ) == -1 ) return NULL; return psz_dir; #endif } /* Adds an extra interface to the configuration */ void __config_AddIntf( vlc_object_t *p_this, const char *psz_intf ) { assert( psz_intf ); char *psz_config, *psz_parser; size_t i_len = strlen( psz_intf ); psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "control" ); while( psz_parser ) { if( !strncmp( psz_intf, psz_parser, i_len ) ) { free( psz_config ); return; } psz_parser = strchr( psz_parser, ':' ); if( psz_parser ) psz_parser++; /* skip the ':' */ } free( psz_config ); psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "extraintf" ); while( psz_parser ) { if( !strncmp( psz_intf, psz_parser, i_len ) ) { free( psz_config ); return; } psz_parser = strchr( psz_parser, ':' ); if( psz_parser ) psz_parser++; /* skip the ':' */ } /* interface not found in the config, let's add it */ if( psz_config && strlen( psz_config ) > 0 ) { char *psz_newconfig; if( asprintf( &psz_newconfig, "%s:%s", psz_config, psz_intf ) != -1 ) { config_PutPsz( p_this->p_libvlc, "extraintf", psz_newconfig ); free( psz_newconfig ); } } else config_PutPsz( p_this->p_libvlc, "extraintf", psz_intf ); free( psz_config ); } /* Removes an extra interface from the configuration */ void __config_RemoveIntf( vlc_object_t *p_this, const char *psz_intf ) { assert( psz_intf ); char *psz_config, *psz_parser; size_t i_len = strlen( psz_intf ); psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "extraintf" ); while( psz_parser ) { if( !strncmp( psz_intf, psz_parser, i_len ) ) { char *psz_newconfig; char *psz_end = psz_parser + i_len; if( *psz_end == ':' ) psz_end++; *psz_parser = '\0'; if( asprintf( &psz_newconfig, "%s%s", psz_config, psz_end ) != -1 ) { config_PutPsz( p_this->p_libvlc, "extraintf", psz_newconfig ); free( psz_newconfig ); } break; } psz_parser = strchr( psz_parser, ':' ); if( psz_parser ) psz_parser++; /* skip the ':' */ } free( psz_config ); psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "control" ); while( psz_parser ) { if( !strncmp( psz_intf, psz_parser, i_len ) ) { char *psz_newconfig; char *psz_end = psz_parser + i_len; if( *psz_end == ':' ) psz_end++; *psz_parser = '\0'; if( asprintf( &psz_newconfig, "%s%s", psz_config, psz_end ) != -1 ) { config_PutPsz( p_this->p_libvlc, "control", psz_newconfig ); free( psz_newconfig ); } break; } psz_parser = strchr( psz_parser, ':' ); if( psz_parser ) psz_parser++; /* skip the ':' */ } free( psz_config ); } /* * Returns VLC_TRUE if the specified extra interface is present in the * configuration, VLC_FALSE if not */ vlc_bool_t __config_ExistIntf( vlc_object_t *p_this, const char *psz_intf ) { assert( psz_intf ); char *psz_config, *psz_parser; size_t i_len = strlen( psz_intf ); psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "extraintf" ); while( psz_parser ) { if( !strncmp( psz_parser, psz_intf, i_len ) ) { free( psz_config ); return VLC_TRUE; } psz_parser = strchr( psz_parser, ':' ); if( psz_parser ) psz_parser++; /* skip the ':' */ } free( psz_config ); psz_config = psz_parser = config_GetPsz( p_this->p_libvlc, "control" ); while( psz_parser ) { if( !strncmp( psz_parser, psz_intf, i_len ) ) { free( psz_config ); return VLC_TRUE; } psz_parser = strchr( psz_parser, ':' ); if( psz_parser ) psz_parser++; /* skip the ':' */ } free( psz_config ); return VLC_FALSE; }