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 CONFIG_MACOSX_BUNDLE
  17 #include <CoreFoundation/CoreFoundation.h>
  18 #include <sys/types.h>
  19 #include <sys/stat.h>
  20 #include <unistd.h>
  21 #elif defined(_WIN32)
  22 #define _WIN32_IE 0x0400
  23 #include <windows.h>
  24 #include <shlobj.h>
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #if defined(__CYGWIN__)
  28 #include <sys/cygwin.h>
  29 #endif
  30 #elif defined(__OS2__)
  31 #define INCL_DOS
  32 #include <os2.h>
  33 #endif
  34
  35 char *get_path(const char *filename){
  36         char *homedir;
  37         char *buff;
  38 #ifdef _WIN32
  39         static char *config_dir = "/mplayer";
  40 #else
  41         static char *config_dir = "/.mplayer";
  42 #endif
  43         int len;
  44 #ifdef CONFIG_MACOSX_BUNDLE
  45         struct stat dummy;
  46         CFIndex maxlen=256;
  47         CFURLRef res_url_ref=NULL;
  48         CFURLRef bdl_url_ref=NULL;
  49         char *res_url_path = NULL;
  50         char *bdl_url_path = NULL;
  51 #endif
  52
  53         if ((homedir = getenv("MPLAYER_HOME")) != NULL)
  54                 config_dir = "";
  55         else if ((homedir = getenv("HOME")) == NULL)
  56 #if _WIN32
  57         /* Hack to get fonts etc. loaded outside of Cygwin environment. */
  58         {
  59                 int i,imax=0;
  60                 struct _stat statBuffer;
  61                 char exedir[4096], config_path[4096], appdata[4096];
  62                 if (SHGetSpecialFolderPathA(NULL, appdata, CSIDL_APPDATA, 1)) {
  63                         strncpy(exedir, appdata, strlen(appdata));
  64                 } else {
  65                         GetModuleFileNameA(NULL, exedir, 4096);
  66                 }
  67                 int len = strlen(exedir);
  68                 for (i=0; i< len; i++)
  69                         if (exedir[i] =='\\')
  70                                 exedir[i]='/';
  71
  72                 sprintf(config_path, "%s%s", exedir, config_dir);
  73                 int stat_res;
  74                 if ((stat_res = stat(config_path, &statBuffer)) < 0 ||
  75                                 !(statBuffer.st_mode & S_IFDIR)) {
  76                         GetModuleFileNameA(NULL, exedir, 4096);
  77                         len = strlen(exedir);
  78                         for (i=0; i< len; i++)
  79                                 if (exedir[i] =='\\')
  80                                         {exedir[i]='/'; imax=i;}
  81                         exedir[imax]='\0';
  82                 }
  83
  84                 homedir = exedir;
  85         }
  86 #elif defined(__OS2__)
  87     {
  88         PPIB ppib;
  89         char path[260];
  90
  91         // Get process info blocks
  92         DosGetInfoBlocks(NULL, &ppib);
  93
  94         // Get full path of the executable
  95         DosQueryModuleName(ppib->pib_hmte, sizeof( path ), path);
  96
  97         // Truncate name part including last backslash
  98         *strrchr(path, '\\') = 0;
  99
 100         // Convert backslash to slash
 101         _fnslashify(path);
 102
 103         homedir = path;
 104     }
 105 #else
 106         return NULL;
 107 #endif
 108         len = strlen(homedir) + strlen(config_dir) + 1;
 109         if (filename == NULL) {
 110                 if ((buff = malloc(len)) == NULL)
 111                         return NULL;
 112                 sprintf(buff, "%s%s", homedir, config_dir);
 113         } else {
 114                 len += strlen(filename) + 1;
 115                 if ((buff = malloc(len)) == NULL)
 116                         return NULL;
 117                 sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
 118         }
 119
 120 #ifdef CONFIG_MACOSX_BUNDLE
 121         if (stat(buff, &dummy)) {
 122
 123                 res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
 124                 bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
 125
 126                 if (res_url_ref&&bdl_url_ref) {
 127
 128                         res_url_path=malloc(maxlen);
 129                         bdl_url_path=malloc(maxlen);
 130
 131                         while (!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
 132                                 maxlen*=2;
 133                                 res_url_path=realloc(res_url_path, maxlen);
 134                         }
 135                         CFRelease(res_url_ref);
 136
 137                         while (!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
 138                                 maxlen*=2;
 139                                 bdl_url_path=realloc(bdl_url_path, maxlen);
 140                         }
 141                         CFRelease(bdl_url_ref);
 142
 143                         if (strcmp(res_url_path, bdl_url_path) == 0)
 144                                 res_url_path = NULL;
 145                 }
 146
 147                 if (res_url_path&&filename) {
 148                         if ((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
 149                                 maxlen=strlen(filename)+strlen(res_url_path)+2;
 150                         }
 151                         free(buff);
 152                         buff = malloc(maxlen);
 153                         strcpy(buff, res_url_path);
 154
 155                         strcat(buff,"/");
 156                         strcat(buff, filename);
 157                 }
 158         }
 159 #endif
 160         mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
 161         return buff;
 162 }
 163
 164 #if (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL)
 165 void set_path_env(void)
 166 {
 167         /*make our codec dirs available for LoadLibraryA()*/
 168         char tmppath[MAX_PATH*2 + 1];
 169         char win32path[MAX_PATH];
 170         char realpath[MAX_PATH];
 171 #ifdef __CYGWIN__
 172         cygwin_conv_to_full_win32_path(WIN32_PATH,win32path);
 173         strcpy(tmppath,win32path);
 174 #ifdef CONFIG_REALCODECS
 175         cygwin_conv_to_full_win32_path(REALCODEC_PATH,realpath);
 176         sprintf(tmppath,"%s;%s",win32path,realpath);
 177 #endif /*CONFIG_REALCODECS*/
 178 #else /*__CYGWIN__*/
 179         /* Expand to absolute path unless it's already absolute */
 180         if (!strstr(WIN32_PATH,":") && WIN32_PATH[0] != '\\'){
 181                 GetModuleFileNameA(NULL, win32path, MAX_PATH);
 182                 strcpy(strrchr(win32path, '\\') + 1, WIN32_PATH);
 183         }
 184         else strcpy(win32path,WIN32_PATH);
 185         strcpy(tmppath,win32path);
 186 #ifdef CONFIG_REALCODECS
 187         /* Expand to absolute path unless it's already absolute */
 188         if (!strstr(REALCODEC_PATH,":") && REALCODEC_PATH[0] != '\\'){
 189                 GetModuleFileNameA(NULL, realpath, MAX_PATH);
 190                 strcpy(strrchr(realpath, '\\') + 1, REALCODEC_PATH);
 191         }
 192         else strcpy(realpath,REALCODEC_PATH);
 193         sprintf(tmppath,"%s;%s",win32path,realpath);
 194 #endif /*CONFIG_REALCODECS*/
 195 #endif /*__CYGWIN__*/
 196         mp_msg(MSGT_WIN32, MSGL_V,"Setting PATH to %s\n",tmppath);
 197         if (!SetEnvironmentVariableA("PATH", tmppath))
 198                 mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
 199 }
 200 #endif /* (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL) */