From 11843f12be99ab5fad7c5db080177e66f71d2c73 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Fri, 9 Apr 2004 21:52:50 +0000
Subject: [PATCH] add mySDL_GetError

---
 stepmania/src/SDL_utils.cpp | 12 ++++++++++++
 stepmania/src/SDL_utils.h   |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/stepmania/src/SDL_utils.cpp b/stepmania/src/SDL_utils.cpp
index f2515dc3b9..fc5e1a608c 100644
--- a/stepmania/src/SDL_utils.cpp
+++ b/stepmania/src/SDL_utils.cpp
@@ -1269,3 +1269,15 @@ SDL_Surface *mySDL_MakeDummySurface( int height, int width )
 
 	return ret_image;
 }
+
+/* SDL sometimes fails to set an error, in which case we get the null string.  We
+ * sometimes use that as a sentinel return value.  This function returns "(none)"
+ * if no error is set. */
+CString mySDL_GetError()
+{
+	CString error = SDL_GetError();
+	if( error == "" )
+		return "(none)"; /* SDL sometimes fails to set an error */
+	return error;
+}
+
diff --git a/stepmania/src/SDL_utils.h b/stepmania/src/SDL_utils.h
index 804d6a64ee..75df3adc42 100644
--- a/stepmania/src/SDL_utils.h
+++ b/stepmania/src/SDL_utils.h
@@ -88,5 +88,7 @@ SDL_RWops *OpenRWops( const CString &sPath, bool Write=false );
 SDL_RWops *OpenRWops( CString &sBuf );
 SDL_Surface *mySDL_MakeDummySurface( int height, int width );
 
+CString mySDL_GetError();
+
 #endif