get_path.c

   1
   2 /*
   3  * Get path to config dir/file.
   4  *
   5  * Return Values:
   6  *   Returns the pointer to the ALLOCATED buffer containing the
   7  *   zero terminated path string. This buffer has to be FREED
   8  *   by the caller.
   9  *
  10  */
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include "mp_msg.h"
  16
  17 #ifdef MACOSX_BUNDLE
  18 #include <CoreFoundation/CoreFoundation.h>
  19 #include <sys/types.h>
  20 #include <sys/stat.h>
  21 #include <unistd.h>
  22 #endif
  23
  24 char *get_path(const char *filename){
  25         char *homedir;
  26         char *buff;
  27 #if defined(__MINGW32__)
  28     static char *config_dir = "/mplayer";
  29 #else
  30         static char *config_dir = "/.mplayer";
  31 #endif
  32         int len;
  33 #ifdef MACOSX_BUNDLE
  34         struct stat dummy;
  35         CFIndex maxlen=256;
  36         CFURLRef res_url_ref=NULL;
  37         CFURLRef bdl_url_ref=NULL;
  38         char *res_url_path = NULL;
  39         char *bdl_url_path = NULL;
  40 #endif
  41
  42         if ((homedir = getenv("MPLAYER_HOME")) != NULL)
  43                 config_dir = "";
  44         else if ((homedir = getenv("HOME")) == NULL)
  45 #if defined(__MINGW32__)||defined(__CYGWIN__) /*hack to get fonts etc. loaded outside of cygwin environment*/
  46         {
  47         int i,imax=0;
  48         char exedir[260];
  49         GetModuleFileNameA(NULL, exedir, 260);
  50         for(i=0; i< strlen(exedir);i++)if(exedir[i] =='\\'){exedir[i]='/';imax=i;}
  51         exedir[imax]='\0';
  52             homedir = exedir;
  53         }
  54 #else
  55                 return NULL;
  56 #endif
  57         len = strlen(homedir) + strlen(config_dir) + 1;
  58         if (filename == NULL) {
  59                 if ((buff = malloc(len)) == NULL)
  60                         return NULL;
  61                 sprintf(buff, "%s%s", homedir, config_dir);
  62         } else {
  63                 len += strlen(filename) + 1;
  64                 if ((buff = malloc(len)) == NULL)
  65                         return NULL;
  66                 sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
  67         }
  68
  69 #ifdef MACOSX_BUNDLE
  70         if(stat(buff, &dummy)) {
  71
  72                 res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
  73                 bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
  74
  75                 if(res_url_ref&&bdl_url_ref) {
  76
  77                         res_url_path=malloc(maxlen);
  78                         bdl_url_path=malloc(maxlen);
  79
  80                         while(!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
  81                                 maxlen*=2;
  82                                 res_url_path=realloc(res_url_path, maxlen);
  83                         }
  84                         CFRelease(res_url_ref);
  85
  86                         while(!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
  87                                 maxlen*=2;
  88                                 bdl_url_path=realloc(bdl_url_path, maxlen);
  89                         }
  90                         CFRelease(bdl_url_ref);
  91
  92                         if( strcmp(res_url_path, bdl_url_path) == 0)
  93                                 res_url_path = NULL;
  94                 }
  95
  96                 if(res_url_path&&filename) {
  97                         if((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
  98                                 maxlen=strlen(filename)+strlen(res_url_path)+2;
  99                         }
 100                         free(buff);
 101                         buff = malloc(maxlen);
 102                         strcpy(buff, res_url_path);
 103
 104                         strcat(buff,"/");
 105                         strcat(buff, filename);
 106                 }
 107         }
 108 #endif
 109         mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
 110         return buff;
 111 }
 112
 113 #if defined(WIN32) && defined(USE_WIN32DLL)
 114 void set_path_env()
 115 {
 116         /*make our codec dirs available for LoadLibraryA()*/
 117         char tmppath[MAX_PATH*2 + 1];
 118         char win32path[MAX_PATH];
 119         char realpath[MAX_PATH];
 120 #ifdef __CYGWIN__
 121         cygwin_conv_to_full_win32_path(WIN32_PATH,win32path);
 122         strcpy(tmppath,win32path);
 123 #ifdef USE_REALCODECS
 124         cygwin_conv_to_full_win32_path(REALCODEC_PATH,realpath);
 125         sprintf(tmppath,"%s;%s",win32path,realpath);
 126 #endif /*USE_REALCODECS*/
 127 #else /*__CYGWIN__*/
 128         /* Expand to absolute path unless it's already absolute */
 129         if(!strstr(WIN32_PATH,":") && WIN32_PATH[0] != '\\'){
 130                 GetModuleFileNameA(NULL, win32path, MAX_PATH);
 131                 strcpy(strrchr(win32path, '\\') + 1, WIN32_PATH);
 132         }
 133         else strcpy(win32path,WIN32_PATH);
 134         strcpy(tmppath,win32path);
 135 #ifdef USE_REALCODECS
 136         /* Expand to absolute path unless it's already absolute */
 137         if(!strstr(REALCODEC_PATH,":") && REALCODEC_PATH[0] != '\\'){
 138                 GetModuleFileNameA(NULL, realpath, MAX_PATH);
 139                 strcpy(strrchr(realpath, '\\') + 1, REALCODEC_PATH);
 140         }
 141         else strcpy(realpath,REALCODEC_PATH);
 142         sprintf(tmppath,"%s;%s",win32path,realpath);
 143 #endif /*USE_REALCODECS*/
 144 #endif /*__CYGWIN__*/
 145         mp_msg(MSGT_WIN32, MSGL_V,"Setting PATH to %s\n",tmppath);
 146         if (!SetEnvironmentVariableA("PATH", tmppath))
 147                 mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
 148 }
 149 #endif /*WIN32 && USE_WIN32DLL*/