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/*

Copyright (C) 1996-1997 Id Software, Inc.

This program 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.

This program 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 this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

// sys_null.h -- null system driver to aid porting efforts

#include "quakedef.h"

#include "errno.h"

/*

===============================================================================

FILE IO

===============================================================================

*/

#define MAX_HANDLES             10

FILE    *sys_handles[MAX_HANDLES];

int             findhandle (void)

{

	int             i;

	for (i=1 ; i

		if (!sys_handles[i])

			return i;

	Sys_Error ("out of handles");

	return -1;

}

/*

================

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_FileOpenRead (char *path, int *hndl)

{

	FILE    *f;

	int             i;

	i = findhandle ();

	f = fopen(path, "rb");

	if (!f)

	{

		*hndl = -1;

		return -1;

	}

	sys_handles[i] = f;

	*hndl = i;

	return filelength(f);

}

int Sys_FileOpenWrite (char *path)

{

	FILE    *f;

	int             i;

	i = findhandle ();

	f = fopen(path, "wb");

	if (!f)

		Sys_Error ("Error opening %s: %s", path,strerror(errno));

	sys_handles[i] = f;

	return i;

}

void Sys_FileClose (int handle)

{

	fclose (sys_handles[handle]);

	sys_handles[handle] = NULL;

}

void Sys_FileSeek (int handle, int position)

{

	fseek (sys_handles[handle], position, SEEK_SET);

}

int Sys_FileRead (int handle, void *dest, int count)

{

	return fread (dest, 1, count, sys_handles[handle]);

}

int Sys_FileWrite (int handle, void *data, int count)

{

	return fwrite (data, 1, count, sys_handles[handle]);

}

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_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_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)

{

	static quakeparms_t    parms;

	parms.memsize = 8*1024*1024;

	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);

	}

}