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 #include "get_path.h"
  15
  16 #ifdef MACOSX_BUNDLE
  17 #include <CoreFoundation/CoreFoundation.h>
  18 #include <sys/types.h>
  19 #include <sys/stat.h>
  20 #include <unistd.h>
  21 #endif
  22
  23 #ifdef WIN32
  24 #include <windows.h>
  25 #endif
  26
  27 #ifdef __OS2__
  28 #define INCL_DOS
  29 #include <os2.h>
  30 #endif
  31
  32 char *get_path(const char *filename){
  33         char *homedir;
  34         char *buff;
  35 #ifdef __MINGW32__
  36         static char *config_dir = "/mplayer";
  37 #else
  38         static char *config_dir = "/.mplayer";
  39 #endif
  40         int len;
  41 #ifdef MACOSX_BUNDLE
  42         struct stat dummy;
  43         CFIndex maxlen=256;
  44         CFURLRef res_url_ref=NULL;
  45         CFURLRef bdl_url_ref=NULL;
  46         char *res_url_path = NULL;
  47         char *bdl_url_path = NULL;
  48 #endif
  49
  50         if ((homedir = getenv("MPLAYER_HOME")) != NULL)
  51                 config_dir = "";
  52         else if ((homedir = getenv("HOME")) == NULL)
  53 #if defined(__MINGW32__) || defined(__CYGWIN__)
  54         /* Hack to get fonts etc. loaded outside of Cygwin environment. */
  55         {
  56                 int i,imax=0;
  57                 char exedir[260];
  58                 GetModuleFileNameA(NULL, exedir, 260);
  59                 for (i=0; i< strlen(exedir); i++)
  60                         if (exedir[i] =='\\')
  61                                 {exedir[i]='/'; imax=i;}
  62                 exedir[imax]='\0';
  63                 homedir = exedir;
  64         }
  65 #elif defined(__OS2__)
  66     {
  67         PPIB ppib;
  68         char path[260];
  69
  70         // Get process info blocks
  71         DosGetInfoBlocks(NULL, &ppib);
  72
  73         // Get full path of the executable
  74         DosQueryModuleName(ppib->pib_hmte, sizeof( path ), path);
  75
  76         // Truncate name part including last backslash
  77         *strrchr(path, '\\') = 0;
  78
  79         // Convert backslash to slash
  80         _fnslashify(path);
  81
  82         homedir = path;
  83     }
  84 #else
  85         return NULL;
  86 #endif
  87         len = strlen(homedir) + strlen(config_dir) + 1;
  88         if (filename == NULL) {
  89                 if ((buff = malloc(len)) == NULL)
  90                         return NULL;
  91                 sprintf(buff, "%s%s", homedir, config_dir);
  92         } else {
  93                 len += strlen(filename) + 1;
  94                 if ((buff = malloc(len)) == NULL)
  95                         return NULL;
  96                 sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
  97         }
  98
  99 #ifdef MACOSX_BUNDLE
 100         if (stat(buff, &dummy)) {
 101
 102                 res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
 103                 bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
 104
 105                 if (res_url_ref&&bdl_url_ref) {
 106
 107                         res_url_path=malloc(maxlen);
 108                         bdl_url_path=malloc(maxlen);
 109
 110                         while (!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
 111                                 maxlen*=2;
 112                                 res_url_path=realloc(res_url_path, maxlen);
 113                         }
 114                         CFRelease(res_url_ref);
 115
 116                         while (!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
 117                                 maxlen*=2;
 118                                 bdl_url_path=realloc(bdl_url_path, maxlen);
 119                         }
 120                         CFRelease(bdl_url_ref);
 121
 122                         if (strcmp(res_url_path, bdl_url_path) == 0)
 123                                 res_url_path = NULL;
 124                 }
 125
 126                 if (res_url_path&&filename) {
 127                         if ((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
 128                                 maxlen=strlen(filename)+strlen(res_url_path)+2;
 129                         }
 130                         free(buff);
 131                         buff = malloc(maxlen);
 132                         strcpy(buff, res_url_path);
 133
 134                         strcat(buff,"/");
 135                         strcat(buff, filename);
 136                 }
 137         }
 138 #endif
 139         mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
 140         return buff;
 141 }
 142
 143 #if defined(WIN32) && defined(CONFIG_WIN32DLL)
 144 void set_path_env()
 145 {
 146         /*make our codec dirs available for LoadLibraryA()*/
 147         char tmppath[MAX_PATH*2 + 1];
 148         char win32path[MAX_PATH];
 149         char realpath[MAX_PATH];
 150 #ifdef __CYGWIN__
 151         cygwin_conv_to_full_win32_path(WIN32_PATH,win32path);
 152         strcpy(tmppath,win32path);
 153 #ifdef CONFIG_REALCODECS
 154         cygwin_conv_to_full_win32_path(REALCODEC_PATH,realpath);
 155         sprintf(tmppath,"%s;%s",win32path,realpath);
 156 #endif /*CONFIG_REALCODECS*/
 157 #else /*__CYGWIN__*/
 158         /* Expand to absolute path unless it's already absolute */
 159         if (!strstr(WIN32_PATH,":") && WIN32_PATH[0] != '\\'){
 160                 GetModuleFileNameA(NULL, win32path, MAX_PATH);
 161                 strcpy(strrchr(win32path, '\\') + 1, WIN32_PATH);
 162         }
 163         else strcpy(win32path,WIN32_PATH);
 164         strcpy(tmppath,win32path);
 165 #ifdef CONFIG_REALCODECS
 166         /* Expand to absolute path unless it's already absolute */
 167         if (!strstr(REALCODEC_PATH,":") && REALCODEC_PATH[0] != '\\'){
 168                 GetModuleFileNameA(NULL, realpath, MAX_PATH);
 169                 strcpy(strrchr(realpath, '\\') + 1, REALCODEC_PATH);
 170         }
 171         else strcpy(realpath,REALCODEC_PATH);
 172         sprintf(tmppath,"%s;%s",win32path,realpath);
 173 #endif /*CONFIG_REALCODECS*/
 174 #endif /*__CYGWIN__*/
 175         mp_msg(MSGT_WIN32, MSGL_V,"Setting PATH to %s\n",tmppath);
 176         if (!SetEnvironmentVariableA("PATH", tmppath))
 177                 mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
 178 }
 179 #endif /*WIN32 && CONFIG_WIN32DLL*/