filesystem: SDL_GetPrefPath() now follows the SDL_GetStringRule.

Reference Issue #10229.

src/filesystem/SDL_filesystem.c

@@ -429,6 +429,15 @@ const char *SDL_GetUserFolder(SDL_Folder folder)
 }
 
 
+const char *SDL_GetPrefPath(const char *org, const char *app)
+{
+    char *path = SDL_SYS_GetPrefPath(org, app);
+    if (path) {
+        SDL_FreeLater(path);
+    }
+    return path;
+}
+
 
 void SDL_InitFilesystem(void)
 {

src/filesystem/SDL_sysfilesystem.h

@@ -24,6 +24,7 @@
 
 // return a string that we can SDL_free(). It will be cached at the higher level.
 extern char *SDL_SYS_GetBasePath(void);
+extern char *SDL_SYS_GetPrefPath(const char *org, const char *app);
 extern char *SDL_SYS_GetUserFolder(SDL_Folder folder);
 
 int SDL_SYS_EnumerateDirectory(const char *path, const char *dirname, SDL_EnumerateDirectoryCallback cb, void *userdata);

src/filesystem/android/SDL_sysfilesystem.c

@@ -34,7 +34,7 @@ char *SDL_SYS_GetBasePath(void)
     return NULL;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     const char *path = SDL_GetAndroidInternalStoragePath();
     if (path) {

src/filesystem/cocoa/SDL_sysfilesystem.m

@@ -61,7 +61,7 @@ char *SDL_SYS_GetBasePath(void)
     }
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     @autoreleasepool {
         char *retval = NULL;

src/filesystem/dummy/SDL_sysfilesystem.c

@@ -31,7 +31,7 @@ char *SDL_SYS_GetBasePath(void)
     return NULL;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     SDL_Unsupported();
     return NULL;

src/filesystem/emscripten/SDL_sysfilesystem.c

@@ -34,7 +34,7 @@ char *SDL_SYS_GetBasePath(void)
     return SDL_strdup("/");
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     const char *append = "/libsdl/";
     char *retval;

src/filesystem/gdk/SDL_sysfilesystem.cpp

@@ -79,8 +79,7 @@ SDL_SYS_GetBasePath(void)
     return path;
 }
 
-char *
-SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     XUserHandle user = NULL;
     XAsyncBlock block = { 0 };

src/filesystem/haiku/SDL_sysfilesystem.cc

@@ -65,7 +65,7 @@ char *SDL_SYS_GetBasePath(void)
 }
 
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     // !!! FIXME: is there a better way to do this?
     const char *home = SDL_getenv("HOME");

src/filesystem/n3ds/SDL_sysfilesystem.c

@@ -38,7 +38,7 @@ char *SDL_SYS_GetBasePath(void)
     return base_path;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     char *pref_path = NULL;
     if (!app) {

src/filesystem/ps2/SDL_sysfilesystem.c

@@ -73,7 +73,7 @@ static void recursive_mkdir(const char *dir)
     mkdir(tmp, S_IRWXU);
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     char *retval = NULL;
     size_t len;

src/filesystem/psp/SDL_sysfilesystem.c

@@ -44,7 +44,7 @@ char *SDL_SYS_GetBasePath(void)
     return retval;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     char *retval = NULL;
     size_t len;

src/filesystem/riscos/SDL_sysfilesystem.c

@@ -150,7 +150,7 @@ char *SDL_SYS_GetBasePath(void)
     return retval;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     char *canon, *dir, *retval;
     size_t len;

src/filesystem/unix/SDL_sysfilesystem.c

@@ -253,7 +253,7 @@ char *SDL_SYS_GetBasePath(void)
     return retval;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     /*
      * We use XDG's base directory spec, even if you're not on Linux.

src/filesystem/vita/SDL_sysfilesystem.c

@@ -39,7 +39,7 @@ char *SDL_SYS_GetBasePath(void)
     return SDL_strdup("app0:/");
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     const char *envr = "ux0:/data/";
     char *retval = NULL;

src/filesystem/windows/SDL_sysfilesystem.c

@@ -90,7 +90,7 @@ char *SDL_SYS_GetBasePath(void)
     return retval;
 }
 
-char *SDL_GetPrefPath(const char *org, const char *app)
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     /*
      * Vista and later has a new API for this, but SHGetFolderPath works there,

src/filesystem/winrt/SDL_sysfilesystem.cpp

@@ -137,7 +137,7 @@ extern "C" char *SDL_SYS_GetBasePath(void)
     return destPath;
 }
 
-extern "C" char *SDL_GetPrefPath(const char *org, const char *app)
+extern "C" char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     /* WinRT note: The 'SHGetFolderPath' API that is used in Windows 7 and
      * earlier is not available on WinRT or Windows Phone.  WinRT provides