The Quake III Arena sources as originally released under the GPL license on August 20, 2005.

code/null/null_main.c

@@ -0,0 +1,116 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+// sys_null.h -- null system driver to aid porting efforts
+
+#include <errno.h>
+#include <stdio.h>
+#include "../qcommon/qcommon.h"
+
+int			sys_curtime;
+
+
+//===================================================================
+
+void Sys_BeginStreamedFile( FILE *f, int readAhead ) {
+}
+
+void Sys_EndStreamedFile( FILE *f ) {
+}
+
+int Sys_StreamedRead( void *buffer, int size, int count, FILE *f ) {
+	return fread( buffer, size, count, f );
+}
+
+void Sys_StreamSeek( FILE *f, int offset, int origin ) {
+	fseek( f, offset, origin );
+}
+
+
+//===================================================================
+
+
+void Sys_mkdir ( const char *path ) {
+}
+
+void Sys_Error (char *error, ...) {
+	va_list		argptr;
+
+	printf ("Sys_Error: ");	
+	va_start (argptr,error);
+	vprintf (error,argptr);
+	va_end (argptr);
+	printf ("\n");
+
+	exit (1);
+}
+
+void Sys_Quit (void) {
+	exit (0);
+}
+
+void	Sys_UnloadGame (void) {
+}
+
+void	*Sys_GetGameAPI (void *parms) {
+	return NULL;
+}
+
+char *Sys_GetClipboardData( void ) {
+	return NULL;
+}
+
+int		Sys_Milliseconds (void) {
+	return 0;
+}
+
+void	Sys_Mkdir (char *path) {
+}
+
+char	*Sys_FindFirst (char *path, unsigned musthave, unsigned canthave) {
+	return NULL;
+}
+
+char	*Sys_FindNext (unsigned musthave, unsigned canthave) {
+	return NULL;
+}
+
+void	Sys_FindClose (void) {
+}
+
+void	Sys_Init (void) {
+}
+
+
+void	Sys_EarlyOutput( char *string ) {
+	printf( "%s", string );
+}
+
+
+void main (int argc, char **argv) {
+	Com_Init (argc, argv);
+
+	while (1) {
+		Com_Frame( );
+	}
+}
+
+