get_path.c

   1 /*
   2  * Get path to config dir/file.
   3  *
   4  * Return Values:
   5  *   Returns the pointer to the ALLOCATED buffer containing the
   6  *   zero terminated path string. This buffer has to be FREED
   7  *   by the caller.
   8  *
   9  * This file is part of MPlayer.
  10  *
  11  * MPlayer is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * MPlayer is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include "config.h"
  30 #include "mp_msg.h"
  31 #include "get_path.h"
  32
  33 #ifdef CONFIG_MACOSX_BUNDLE
  34 #include <CoreFoundation/CoreFoundation.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <unistd.h>
  38 #elif defined(__MINGW32__)
  39 #include <windows.h>
  40 #elif defined(__CYGWIN__)
  41 #include <windows.h>
  42 #include <sys/cygwin.h>
  43 #elif defined(__OS2__)
  44 #define INCL_DOS
  45 #include <os2.h>
  46 #endif
  47
  48 char *get_path(const char *filename){
  49         char *homedir;
  50         char *buff;
  51 #ifdef __MINGW32__
  52         static char *config_dir = "/mplayer";
  53 #else
  54         static char *config_dir = "/.mplayer";
  55 #endif
  56         int len;
  57 #ifdef CONFIG_MACOSX_BUNDLE
  58         struct stat dummy;
  59         CFIndex maxlen=256;
  60         CFURLRef res_url_ref=NULL;
  61         CFURLRef bdl_url_ref=NULL;
  62         char *res_url_path = NULL;
  63         char *bdl_url_path = NULL;
  64 #endif
  65
  66         if ((homedir = getenv("MPLAYER_HOME")) != NULL)
  67                 config_dir = "";
  68         else if ((homedir = getenv("HOME")) == NULL)
  69 #if defined(__MINGW32__) || defined(__CYGWIN__)
  70         /* Hack to get fonts etc. loaded outside of Cygwin environment. */
  71         {
  72                 int i,imax=0;
  73                 char exedir[260];
  74                 GetModuleFileNameA(NULL, exedir, 260);
  75                 for (i=0; i< strlen(exedir); i++)
  76                         if (exedir[i] =='\\')
  77                                 {exedir[i]='/'; imax=i;}
  78                 exedir[imax]='\0';
  79                 homedir = exedir;
  80         }
  81 #elif defined(__OS2__)
  82     {
  83         PPIB ppib;
  84         char path[260];
  85
  86         // Get process info blocks
  87         DosGetInfoBlocks(NULL, &ppib);
  88
  89         // Get full path of the executable
  90         DosQueryModuleName(ppib->pib_hmte, sizeof( path ), path);
  91
  92         // Truncate name part including last backslash
  93         *strrchr(path, '\\') = 0;
  94
  95         // Convert backslash to slash
  96         _fnslashify(path);
  97
  98         homedir = path;
  99     }
 100 #else
 101         return NULL;
 102 #endif
 103         len = strlen(homedir) + strlen(config_dir) + 1;
 104         if (filename == NULL) {
 105                 if ((buff = malloc(len)) == NULL)
 106                         return NULL;
 107                 sprintf(buff, "%s%s", homedir, config_dir);
 108         } else {
 109                 len += strlen(filename) + 1;
 110                 if ((buff = malloc(len)) == NULL)
 111                         return NULL;
 112                 sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
 113         }
 114
 115 #ifdef CONFIG_MACOSX_BUNDLE
 116         if (stat(buff, &dummy)) {
 117
 118                 res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
 119                 bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
 120
 121                 if (res_url_ref&&bdl_url_ref) {
 122
 123                         res_url_path=malloc(maxlen);
 124                         bdl_url_path=malloc(maxlen);
 125
 126                         while (!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
 127                                 maxlen*=2;
 128                                 res_url_path=realloc(res_url_path, maxlen);
 129                         }
 130                         CFRelease(res_url_ref);
 131
 132                         while (!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
 133                                 maxlen*=2;
 134                                 bdl_url_path=realloc(bdl_url_path, maxlen);
 135                         }
 136                         CFRelease(bdl_url_ref);
 137
 138                         if (strcmp(res_url_path, bdl_url_path) == 0)
 139                                 res_url_path = NULL;
 140                 }
 141
 142                 if (res_url_path&&filename) {
 143                         if ((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
 144                                 maxlen=strlen(filename)+strlen(res_url_path)+2;
 145                         }
 146                         free(buff);
 147                         buff = malloc(maxlen);
 148                         strcpy(buff, res_url_path);
 149
 150                         strcat(buff,"/");
 151                         strcat(buff, filename);
 152                 }
 153         }
 154 #endif
 155         mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
 156         return buff;
 157 }
 158
 159 #if (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL)
 160 void set_path_env(void)
 161 {
 162         /*make our codec dirs available for LoadLibraryA()*/
 163         char tmppath[MAX_PATH*2 + 1];
 164         char win32path[MAX_PATH];
 165         char realpath[MAX_PATH];
 166 #ifdef __CYGWIN__
 167         cygwin_conv_to_full_win32_path(WIN32_PATH,win32path);
 168         strcpy(tmppath,win32path);
 169 #ifdef CONFIG_REALCODECS
 170         cygwin_conv_to_full_win32_path(REALCODEC_PATH,realpath);
 171         sprintf(tmppath,"%s;%s",win32path,realpath);
 172 #endif /*CONFIG_REALCODECS*/
 173 #else /*__CYGWIN__*/
 174         /* Expand to absolute path unless it's already absolute */
 175         if (!strstr(WIN32_PATH,":") && WIN32_PATH[0] != '\\'){
 176                 GetModuleFileNameA(NULL, win32path, MAX_PATH);
 177                 strcpy(strrchr(win32path, '\\') + 1, WIN32_PATH);
 178         }
 179         else strcpy(win32path,WIN32_PATH);
 180         strcpy(tmppath,win32path);
 181 #ifdef CONFIG_REALCODECS
 182         /* Expand to absolute path unless it's already absolute */
 183         if (!strstr(REALCODEC_PATH,":") && REALCODEC_PATH[0] != '\\'){
 184                 GetModuleFileNameA(NULL, realpath, MAX_PATH);
 185                 strcpy(strrchr(realpath, '\\') + 1, REALCODEC_PATH);
 186         }
 187         else strcpy(realpath,REALCODEC_PATH);
 188         sprintf(tmppath,"%s;%s",win32path,realpath);
 189 #endif /*CONFIG_REALCODECS*/
 190 #endif /*__CYGWIN__*/
 191         mp_msg(MSGT_WIN32, MSGL_V,"Setting PATH to %s\n",tmppath);
 192         if (!SetEnvironmentVariableA("PATH", tmppath))
 193                 mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
 194 }
 195 #endif /* (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL) */