From b90f8438d066d68cebbfe5506b6728c76c0ba257 Mon Sep 17 00:00:00 2001
From: David Ludwig <dludwig@pobox.com>
Date: Sun, 3 Feb 2013 12:49:12 -0500
Subject: [PATCH] WinRT: added a function to retrieve the root path to the
 installed app

---
 include/SDL_system.h                  |  6 ++++++
 src/core/windowsrt/SDL_winrtpaths.cpp | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/SDL_system.h b/include/SDL_system.h
index 9cc1ab80d..b7de4ab8a 100644
--- a/include/SDL_system.h
+++ b/include/SDL_system.h
@@ -96,6 +96,12 @@ extern DECLSPEC const char * SDLCALL SDL_AndroidGetExternalStoragePath();
 /* Platform specific functions for Windows RT */
 #if defined(__WINRT__) && __WINRT__
 
+/* Gets the path to the installed app's root directory.
+
+   This function may be used safely on Windows Phone 8.
+*/
+extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetInstalledLocationPath();
+
 /* Gets the path to the local app data store.
    Files and directories that should be limited to the local device can be
    created in this path.
diff --git a/src/core/windowsrt/SDL_winrtpaths.cpp b/src/core/windowsrt/SDL_winrtpaths.cpp
index 01f3c371a..19ed1d303 100644
--- a/src/core/windowsrt/SDL_winrtpaths.cpp
+++ b/src/core/windowsrt/SDL_winrtpaths.cpp
@@ -29,6 +29,16 @@ WINRT_CopySystemPath(Windows::Storage::StorageFolder ^ folder)
     return destPath;
 }
 
+extern "C" const wchar_t *
+SDL_WinRTGetInstalledLocationPath()
+{
+    static const wchar_t * path = nullptr;
+    if (!path) {
+        path = WINRT_CopySystemPath(Windows::ApplicationModel::Package::Current->InstalledLocation);
+    }
+    return path;
+}
+
 extern "C" const wchar_t *
 SDL_WinRTGetLocalFolderPath()
 {