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 #ifdef __OS2__
  27 #define INCL_DOS
  28 #include <os2.h>
  29 #endif
  30
  31 char *get_path(const char *filename){
  32         char *homedir;
  33         char *buff;
  34 #ifdef __MINGW32__
  35         static char *config_dir = "/mplayer";
  36 #else
  37         static char *config_dir = "/.mplayer";
  38 #endif
  39         int len;
  40 #ifdef MACOSX_BUNDLE
  41         struct stat dummy;
  42         CFIndex maxlen=256;
  43         CFURLRef res_url_ref=NULL;
  44         CFURLRef bdl_url_ref=NULL;
  45         char *res_url_path = NULL;
  46         char *bdl_url_path = NULL;
  47 #endif
  48
  49         if ((homedir = getenv("MPLAYER_HOME")) != NULL)
  50                 config_dir = "";
  51         else if ((homedir = getenv("HOME")) == NULL)
  52 #if defined(__MINGW32__) || defined(__CYGWIN__)
  53         /* Hack to get fonts etc. loaded outside of Cygwin environment. */
  54         {
  55                 int i,imax=0;
  56                 char exedir[260];
  57                 GetModuleFileNameA(NULL, exedir, 260);
  58                 for (i=0; i< strlen(exedir); i++)
  59                         if (exedir[i] =='\\')
  60                                 {exedir[i]='/'; imax=i;}
  61                 exedir[imax]='\0';
  62                 homedir = exedir;
  63         }
  64 #elif defined(__OS2__)
  65     {
  66         PPIB ppib;
  67         char path[260];
  68
  69         // Get process info blocks
  70         DosGetInfoBlocks(NULL, &ppib);
  71
  72         // Get full path of the executable
  73         DosQueryModuleName(ppib->pib_hmte, sizeof( path ), path);
  74
  75         // Truncate name part including last backslash
  76         *strrchr(path, '\\') = 0;
  77
  78         // Convert backslash to slash
  79         _fnslashify(path);
  80
  81         homedir = path;
  82     }
  83 #else
  84         return NULL;
  85 #endif
  86         len = strlen(homedir) + strlen(config_dir) + 1;
  87         if (filename == NULL) {
  88                 if ((buff = malloc(len)) == NULL)
  89                         return NULL;
  90                 sprintf(buff, "%s%s", homedir, config_dir);
  91         } else {
  92                 len += strlen(filename) + 1;
  93                 if ((buff = malloc(len)) == NULL)
  94                         return NULL;
  95                 sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
  96         }
  97
  98 #ifdef MACOSX_BUNDLE
  99         if (stat(buff, &dummy)) {
 100
 101                 res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
 102                 bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
 103
 104                 if (res_url_ref&&bdl_url_ref) {
 105
 106                         res_url_path=malloc(maxlen);
 107                         bdl_url_path=malloc(maxlen);
 108
 109                         while (!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
 110                                 maxlen*=2;
 111                                 res_url_path=realloc(res_url_path, maxlen);
 112                         }
 113                         CFRelease(res_url_ref);
 114
 115                         while (!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
 116                                 maxlen*=2;
 117                                 bdl_url_path=realloc(bdl_url_path, maxlen);
 118                         }
 119                         CFRelease(bdl_url_ref);
 120
 121                         if (strcmp(res_url_path, bdl_url_path) == 0)
 122                                 res_url_path = NULL;
 123                 }
 124
 125                 if (res_url_path&&filename) {
 126                         if ((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
 127                                 maxlen=strlen(filename)+strlen(res_url_path)+2;
 128                         }
 129                         free(buff);
 130                         buff = malloc(maxlen);
 131                         strcpy(buff, res_url_path);
 132
 133                         strcat(buff,"/");
 134                         strcat(buff, filename);
 135                 }
 136         }
 137 #endif
 138         mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
 139         return buff;
 140 }
 141
 142 #if defined(WIN32) && defined(USE_WIN32DLL)
 143 void set_path_env()
 144 {
 145         /*make our codec dirs available for LoadLibraryA()*/
 146         char tmppath[MAX_PATH*2 + 1];
 147         char win32path[MAX_PATH];
 148         char realpath[MAX_PATH];
 149 #ifdef __CYGWIN__
 150         cygwin_conv_to_full_win32_path(WIN32_PATH,win32path);
 151         strcpy(tmppath,win32path);
 152 #ifdef USE_REALCODECS
 153         cygwin_conv_to_full_win32_path(REALCODEC_PATH,realpath);
 154         sprintf(tmppath,"%s;%s",win32path,realpath);
 155 #endif /*USE_REALCODECS*/
 156 #else /*__CYGWIN__*/
 157         /* Expand to absolute path unless it's already absolute */
 158         if (!strstr(WIN32_PATH,":") && WIN32_PATH[0] != '\\'){
 159                 GetModuleFileNameA(NULL, win32path, MAX_PATH);
 160                 strcpy(strrchr(win32path, '\\') + 1, WIN32_PATH);
 161         }
 162         else strcpy(win32path,WIN32_PATH);
 163         strcpy(tmppath,win32path);
 164 #ifdef USE_REALCODECS
 165         /* Expand to absolute path unless it's already absolute */
 166         if (!strstr(REALCODEC_PATH,":") && REALCODEC_PATH[0] != '\\'){
 167                 GetModuleFileNameA(NULL, realpath, MAX_PATH);
 168                 strcpy(strrchr(realpath, '\\') + 1, REALCODEC_PATH);
 169         }
 170         else strcpy(realpath,REALCODEC_PATH);
 171         sprintf(tmppath,"%s;%s",win32path,realpath);
 172 #endif /*USE_REALCODECS*/
 173 #endif /*__CYGWIN__*/
 174         mp_msg(MSGT_WIN32, MSGL_V,"Setting PATH to %s\n",tmppath);
 175         if (!SetEnvironmentVariableA("PATH", tmppath))
 176                 mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
 177 }
 178 #endif /*WIN32 && USE_WIN32DLL*/