/* xpmap.h */

/* mmap() style cross-platform development wrappers */

/* $Id: xpmap.h,v 1.4 2014/02/10 09:20:44 deuce Exp $ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2011 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * 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			*
 * of the License, or (at your option) any later version.					*
 * See the GNU Lesser General Public License for more details: lgpl.txt or	*
 * http://www.fsf.org/copyleft/lesser.html									*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#ifndef _XPMAP_H
#define _XPMAP_H

#include "gen_defs.h"
#include "wrapdll.h"

enum xpmap_type {
	XPMAP_READ,
	XPMAP_WRITE,
	XPMAP_COPY
};

#if defined(__unix__)

#include <sys/mman.h>
struct xpmapping {
	void	*addr;
	int		fd;
	size_t	size;
};

#elif defined(_WIN32)

struct xpmapping {
	void		*addr;
	HANDLE		fd;
	HANDLE		md;
	uint64_t	size;
};

#else

	#error "Need mmap wrappers."

#endif

DLLEXPORT struct xpmapping* DLLCALL xpmap(const char *filename, enum xpmap_type type);
DLLEXPORT void DLLCALL xpunmap(struct xpmapping *map);

#endif
