Port of Duke Nukem 3D

This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.

Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9

apps/plugins/sdl/src/SDL_error_c.h

@@ -0,0 +1,58 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* This file defines a structure that carries language-independent
+   error messages
+*/
+
+#ifndef _SDL_error_c_h
+#define _SDL_error_c_h
+
+#define ERR_MAX_STRLEN	128
+#define ERR_MAX_ARGS	5
+
+typedef struct SDL_error {
+	/* This is a numeric value corresponding to the current error */
+	int error;
+
+	/* This is a key used to index into a language hashtable containing
+	   internationalized versions of the SDL error messages.  If the key
+	   is not in the hashtable, or no hashtable is available, the key is
+	   used directly as an error message format string.
+	*/
+	char key[ERR_MAX_STRLEN];
+
+	/* These are the arguments for the error functions */
+	int argc;
+	union {
+		void *value_ptr;
+#if 0	/* What is a character anyway?  (UNICODE issues) */
+		unsigned char value_c;
+#endif
+		int value_i;
+		double value_f;
+		char buf[ERR_MAX_STRLEN];
+	} args[ERR_MAX_ARGS];
+} SDL_error;
+
+#endif /* _SDL_error_c_h */