From 9a9fdf0b414cfd77d1fbb0121bbd888bfb011586 Mon Sep 17 00:00:00 2001
From: David Ludwig <dludwig@pobox.com>
Date: Sat, 23 Feb 2013 20:12:14 -0500
Subject: [PATCH] WinRT: build fixes

---
 include/SDL_config_windowsrt.h | 3 ++-
 src/file/SDL_rwops.c           | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/SDL_config_windowsrt.h b/include/SDL_config_windowsrt.h
index 98f01579e..a21777451 100644
--- a/include/SDL_config_windowsrt.h
+++ b/include/SDL_config_windowsrt.h
@@ -104,7 +104,7 @@ typedef unsigned int uintptr_t;
 #define HAVE_STRCHR 1
 #define HAVE_STRRCHR 1
 #define HAVE_STRSTR 1
-#define HAVE_ITOA 1
+//#define HAVE_ITOA 1   // TODO, WinRT: consider using _itoa_s instead
 //#define HAVE__LTOA 1	// TODO, WinRT: consider using _ltoa_s instead
 //#define HAVE__ULTOA 1	// TODO, WinRT: consider using _ultoa_s instead
 #define HAVE_STRTOL 1
@@ -134,6 +134,7 @@ typedef unsigned int uintptr_t;
 #define HAVE_SIN 1
 #define HAVE_SINF 1
 #define HAVE_SQRT 1
+#define HAVE__FSEEKI64 1
 
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_XAUDIO2	1
diff --git a/src/file/SDL_rwops.c b/src/file/SDL_rwops.c
index 1aab8e987..e521588db 100644
--- a/src/file/SDL_rwops.c
+++ b/src/file/SDL_rwops.c
@@ -325,6 +325,10 @@ stdio_seek(SDL_RWops * context, Sint64 offset, int whence)
     if (fseeko(context->hidden.stdio.fp, (off_t)offset, whence) == 0) {
         return ftello(context->hidden.stdio.fp);
     }
+#elif defined(HAVE__FSEEKI64)
+    if (_fseeki64(context->hidden.stdio.fp, offset, whence) == 0) {
+        return _ftelli64(context->hidden.stdio.fp);
+    }
 #else
     if (fseek(context->hidden.stdio.fp, offset, whence) == 0) {
         return (ftell(context->hidden.stdio.fp));