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
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include "mp_msg.h"
  14
  15 #ifdef MACOSX_BUNDLE
  16 #include <CoreFoundation/CoreFoundation.h>
  17 #include <sys/types.h>
  18 #include <sys/stat.h>
  19 #include <unistd.h>
  20 #endif
  21
  22 #ifdef WIN32
  23 #include <windows.h>
  24 #endif
  25
  26 char *get_path(const char *filename){
  27         char *homedir;
  28         char *buff;
  29 #ifdef __MINGW32__
  30         static char *config_dir = "/mplayer";
  31 #else
  32         static char *config_dir = "/.mplayer";
  33 #endif
  34         int len;
  35 #ifdef MACOSX_BUNDLE
  36         struct stat dummy;
  37         CFIndex maxlen=256;
  38         CFURLRef res_url_ref=NULL;
  39         CFURLRef bdl_url_ref=NULL;
  40         char *res_url_path = NULL;
  41         char *bdl_url_path = NULL;
  42 #endif
  43
  44         if ((homedir = getenv("MPLAYER_HOME")) != NULL)
  45                 config_dir = "";
  46         else if ((homedir = getenv("HOME")) == NULL)
  47 #if defined(__MINGW32__) || defined(__CYGWIN__)
  48         /* Hack to get fonts etc. loaded outside of Cygwin environment. */
  49         {
  50                 int i,imax=0;
  51                 char exedir[260];
  52                 GetModuleFileNameA(NULL, exedir, 260);
  53                 for (i=0; i< strlen(exedir); i++)
  54                         if (exedir[i] =='\\')
  55                                 {exedir[i]='/'; imax=i;}
  56                 exedir[imax]='\0';
  57                 homedir = exedir;
  58         }
  59 #else
  60         return NULL;
  61 #endif
  62         len = strlen(homedir) + strlen(config_dir) + 1;
  63         if (filename == NULL) {
  64                 if ((buff = malloc(len)) == NULL)
  65                         return NULL;
  66                 sprintf(buff, "%s%s", homedir, config_dir);
  67         } else {
  68                 len += strlen(filename) + 1;
  69                 if ((buff = malloc(len)) == NULL)
  70                         return NULL;
  71                 sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
  72         }
  73
  74 #ifdef MACOSX_BUNDLE
  75         if (stat(buff, &dummy)) {
  76
  77                 res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
  78                 bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
  79
  80                 if (res_url_ref&&bdl_url_ref) {
  81
  82                         res_url_path=malloc(maxlen);
  83                         bdl_url_path=malloc(maxlen);
  84
  85                         while (!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
  86                                 maxlen*=2;
  87                                 res_url_path=realloc(res_url_path, maxlen);
  88                         }
  89                         CFRelease(res_url_ref);
  90
  91                         while (!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
  92                                 maxlen*=2;
  93                                 bdl_url_path=realloc(bdl_url_path, maxlen);
  94                         }
  95                         CFRelease(bdl_url_ref);
  96
  97                         if (strcmp(res_url_path, bdl_url_path) == 0)
  98                                 res_url_path = NULL;
  99                 }
 100
 101                 if (res_url_path&&filename) {
 102                         if ((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
 103                                 maxlen=strlen(filename)+strlen(res_url_path)+2;
 104                         }
 105                         free(buff);
 106                         buff = malloc(maxlen);
 107                         strcpy(buff, res_url_path);
 108
 109                         strcat(buff,"/");
 110                         strcat(buff, filename);
 111                 }
 112         }
 113 #endif
 114         mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
 115         return buff;
 116 }
 117
 118 #if defined(WIN32) && defined(USE_WIN32DLL)
 119 void set_path_env()
 120 {
 121         /*make our codec dirs available for LoadLibraryA()*/
 122         char tmppath[MAX_PATH*2 + 1];
 123         char win32path[MAX_PATH];
 124         char realpath[MAX_PATH];
 125 #ifdef __CYGWIN__
 126         cygwin_conv_to_full_win32_path(WIN32_PATH,win32path);
 127         strcpy(tmppath,win32path);
 128 #ifdef USE_REALCODECS
 129         cygwin_conv_to_full_win32_path(REALCODEC_PATH,realpath);
 130         sprintf(tmppath,"%s;%s",win32path,realpath);
 131 #endif /*USE_REALCODECS*/
 132 #else /*__CYGWIN__*/
 133         /* Expand to absolute path unless it's already absolute */
 134         if (!strstr(WIN32_PATH,":") && WIN32_PATH[0] != '\\'){
 135                 GetModuleFileNameA(NULL, win32path, MAX_PATH);
 136                 strcpy(strrchr(win32path, '\\') + 1, WIN32_PATH);
 137         }
 138         else strcpy(win32path,WIN32_PATH);
 139         strcpy(tmppath,win32path);
 140 #ifdef USE_REALCODECS
 141         /* Expand to absolute path unless it's already absolute */
 142         if (!strstr(REALCODEC_PATH,":") && REALCODEC_PATH[0] != '\\'){
 143                 GetModuleFileNameA(NULL, realpath, MAX_PATH);
 144                 strcpy(strrchr(realpath, '\\') + 1, REALCODEC_PATH);
 145         }
 146         else strcpy(realpath,REALCODEC_PATH);
 147         sprintf(tmppath,"%s;%s",win32path,realpath);
 148 #endif /*USE_REALCODECS*/
 149 #endif /*__CYGWIN__*/
 150         mp_msg(MSGT_WIN32, MSGL_V,"Setting PATH to %s\n",tmppath);
 151         if (!SetEnvironmentVariableA("PATH", tmppath))
 152                 mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
 153 }
 154 #endif /*WIN32 && USE_WIN32DLL*/