The Quake sources as originally release under the GPL license on December 21, 1999

QW/client/sys_null.c

@@ -0,0 +1,142 @@
+// sys_null.h -- null system driver to aid porting efforts
+
+#include "quakedef.h"
+#include "errno.h"
+
+
+/*
+================
+filelength
+================
+*/
+int filelength (FILE *f)
+{
+	int		pos;
+	int		end;
+
+	pos = ftell (f);
+	fseek (f, 0, SEEK_END);
+	end = ftell (f);
+	fseek (f, pos, SEEK_SET);
+
+	return end;
+}
+
+
+int	Sys_FileTime (char *path)
+{
+	FILE	*f;
+	
+	f = fopen(path, "rb");
+	if (f)
+	{
+		fclose(f);
+		return 1;
+	}
+	
+	return -1;
+}
+
+void Sys_mkdir (char *path)
+{
+}
+
+
+/*
+===============================================================================
+
+SYSTEM IO
+
+===============================================================================
+*/
+
+void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
+{
+}
+
+
+void Sys_DebugLog(char *file, char *fmt, ...)
+{
+}
+
+void Sys_Error (char *error, ...)
+{
+	va_list		argptr;
+
+	printf ("I_Error: ");	
+	va_start (argptr,error);
+	vprintf (error,argptr);
+	va_end (argptr);
+	printf ("\n");
+
+	exit (1);
+}
+
+void Sys_Printf (char *fmt, ...)
+{
+	va_list		argptr;
+	
+	va_start (argptr,fmt);
+	vprintf (fmt,argptr);
+	va_end (argptr);
+}
+
+void Sys_Quit (void)
+{
+	exit (0);
+}
+
+double Sys_FloatTime (void)
+{
+	static double t;
+	
+	t += 0.1;
+	
+	return t;
+}
+
+char *Sys_ConsoleInput (void)
+{
+	return NULL;
+}
+
+void Sys_Sleep (void)
+{
+}
+
+void Sys_SendKeyEvents (void)
+{
+}
+
+void Sys_HighFPPrecision (void)
+{
+}
+
+void Sys_LowFPPrecision (void)
+{
+}
+
+//=============================================================================
+
+void main (int argc, char **argv)
+{
+	quakeparms_t	parms;
+
+	parms.memsize = 5861376;
+	parms.membase = malloc (parms.memsize);
+	parms.basedir = ".";
+
+	COM_InitArgv (argc, argv);
+
+	parms.argc = com_argc;
+	parms.argv = com_argv;
+
+	printf ("Host_Init\n");
+	Host_Init (&parms);
+	while (1)
+	{
+		Host_Frame (0.1);
+	}
+}
+
+