// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2008 Simon Howard
//
// 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.
//
// DESCRIPTION:
//	WAD I/O functions.
//
//-----------------------------------------------------------------------------

#ifndef __W_FILE__
#define __W_FILE__

#include <stdio.h>
#include "doomtype.h"

typedef struct _wad_file_s
{
    FILE *fstream;

} wad_file_t;

// Open the specified file. Returns a pointer to a new wad_file_t 
// handle for the WAD file, or NULL if it could not be opened.

wad_file_t *W_OpenFile(const char *path);

// Close the specified WAD file.

void W_CloseFile(wad_file_t *wad);

// Read data from the specified file into the provided buffer.  The
// data is read from the specified offset from the start of the file.
// Returns the number of bytes read.

size_t W_Read(wad_file_t *wad, unsigned int offset,
              void *buffer, size_t buffer_len);

#endif /* #ifndef __W_FILE__ */