src/darwin/dirs.c

   1 /*****************************************************************************
   2  * darwin_dirs.c: Mac OS X directories configuration
   3  *****************************************************************************
   4  * Copyright (C) 2001-2009 VLC authors and VideoLAN
   5  * Copyright © 2007-2012 Rémi Denis-Courmont
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *          Felix Paul Kühne <fkuehne at videolan dot org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #include <CoreFoundation/CoreFoundation.h>
  26
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include <vlc_common.h>
  32
  33 #include "../libvlc.h"
  34 #include <vlc_configuration.h>
  35 #include "config/configuration.h"
  36
  37 #include <libgen.h>
  38 #include <dlfcn.h>
  39 #include <mach-o/dyld.h>
  40
  41 #ifndef MAXPATHLEN
  42 # define MAXPATHLEN 1024
  43 #endif
  44
  45 static char *config_GetLibPath (void)
  46 {
  47     /* Get the full program path and name */
  48     /* First try to see if we are linked to the framework */
  49     for (unsigned i = 0; i < _dyld_image_count(); i++)
  50     {
  51         const char *psz_img_name = _dyld_get_image_name(i);
  52         const char *p = strstr( psz_img_name, "VLCKit.framework/Versions/" );
  53
  54         /* Check for "VLCKit.framework/Versions/Current/VLCKit",
  55          * as well as "VLCKit.framework/Versions/A/VLCKit" and
  56          * "VLC.framework/Versions/B/VLCKit" */
  57         if( p != NULL )
  58         {
  59             /* Look for the next forward slash */
  60             p += 26; /* p_char += strlen(" VLCKit.framework/Versions/" ) */
  61             p += strcspn( p, "/" );
  62
  63             /* If the string ends with VLC then we've found a winner */
  64             if ( !strcmp( p, "/VLCKit" ) )
  65                 return strdup( psz_img_name );
  66         }
  67
  68         /* Do we end by "VLC"? If so we are the legacy VLC.app that doesn't
  69          * link to VLCKit. */
  70         size_t len = strlen(psz_img_name);
  71         if( len >= 3 && !strcmp( psz_img_name + len - 3, "VLC") )
  72             return strdup( psz_img_name );
  73     }
  74
  75     /* We are not linked to the VLC.framework, let's use dladdr to figure
  76      * libvlc path */
  77     Dl_info info;
  78     if( dladdr(system_Init, &info) )
  79         return strdup(dirname( info.dli_fname ));
  80
  81     char path[MAXPATHLEN+1];
  82     uint32_t path_len = sizeof(path) - 1;
  83
  84     if ( !_NSGetExecutablePath(path, &path_len) )
  85          return strdup(path);
  86     return NULL;
  87 }
  88
  89 char *config_GetLibDir (void)
  90 {
  91     char *path = config_GetLibPath ();
  92     if (path != NULL)
  93     {
  94         char *p = strrchr (path, '/');
  95         if (p != NULL)
  96         {
  97             *p = '\0';
  98             return path;
  99         }
 100         free (path);
 101     }
 102
 103     /* should never happen */
 104     abort ();
 105 }
 106
 107 char *config_GetDataDir (void)
 108 {
 109     const char *path = getenv ("VLC_DATA_PATH");
 110     if (path)
 111         return strdup (path);
 112
 113     char *vlcpath = config_GetLibDir ();
 114     char *datadir;
 115
 116     if (asprintf (&datadir, "%s/share", vlcpath) == -1)
 117         datadir = NULL;
 118
 119     free (vlcpath);
 120     return datadir;
 121 }
 122
 123 static char *config_GetHomeDir (void)
 124 {
 125     const char *home = getenv ("HOME");
 126
 127     if (home == NULL)
 128         home = "/tmp";
 129
 130     return strdup (home);
 131 }
 132
 133 static char *getAppDependentDir(vlc_userdir_t type)
 134 {
 135     const char *psz_path;
 136     switch (type)
 137     {
 138         case VLC_CONFIG_DIR:
 139             psz_path = "%s/Library/Preferences/%s";
 140             break;
 141         case VLC_TEMPLATES_DIR:
 142         case VLC_DATA_DIR:
 143             psz_path = "%s/Library/Application Support/%s";
 144             break;
 145         case VLC_CACHE_DIR:
 146             psz_path = "%s/Library/Caches/%s";
 147             break;
 148         default:
 149             assert(0);
 150             break;
 151     }
 152
 153     // Default fallback
 154     const char *name = "org.videolan.vlc";
 155
 156     CFBundleRef mainBundle = CFBundleGetMainBundle();
 157     if (mainBundle)
 158     {
 159         CFStringRef identifierAsNS = CFBundleGetIdentifier(mainBundle);
 160         if (identifierAsNS)
 161         {
 162             char identifier[256];
 163             Boolean ret = CFStringGetCString(identifierAsNS, identifier, sizeof(identifier), kCFStringEncodingUTF8);
 164             if (ret)
 165                 name = identifier;
 166         }
 167     }
 168
 169     char *psz_parent = config_GetHomeDir ();
 170     char *psz_dir;
 171     if( asprintf( &psz_dir, psz_path, psz_parent, name) == -1 )
 172         psz_dir = NULL;
 173     free(psz_parent);
 174
 175     return psz_dir;
 176 }
 177
 178 char *config_GetUserDir (vlc_userdir_t type)
 179 {
 180     const char *psz_path;
 181     switch (type)
 182     {
 183         case VLC_CONFIG_DIR:
 184         case VLC_TEMPLATES_DIR:
 185         case VLC_DATA_DIR:
 186         case VLC_CACHE_DIR:
 187             return getAppDependentDir(type);
 188
 189         case VLC_DESKTOP_DIR:
 190             psz_path = "%s/Desktop";
 191             break;
 192         case VLC_DOWNLOAD_DIR:
 193             psz_path = "%s/Downloads";
 194             break;
 195         case VLC_DOCUMENTS_DIR:
 196             psz_path = "%s/Documents";
 197             break;
 198         case VLC_MUSIC_DIR:
 199             psz_path = "%s/Music";
 200             break;
 201         case VLC_PICTURES_DIR:
 202             psz_path = "%s/Pictures";
 203             break;
 204         case VLC_VIDEOS_DIR:
 205             psz_path = "%s/Movies";
 206             break;
 207         case VLC_PUBLICSHARE_DIR:
 208             psz_path = "%s/Public";
 209             break;
 210         case VLC_HOME_DIR:
 211         default:
 212             psz_path = "%s";
 213     }
 214     char *psz_parent = config_GetHomeDir ();
 215     char *psz_dir;
 216     if( asprintf( &psz_dir, psz_path, psz_parent ) == -1 )
 217         psz_dir = NULL;
 218     free(psz_parent);
 219     return psz_dir;
 220 }