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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef _SCI_EXE_DEC_H_
#define _SCI_EXE_DEC_H_
typedef struct _exe_handle exe_handle_t;
typedef struct _exe_decompressor {
const char *name; /* Decompressor name. Unique identifier, should consist
** of lower-case (where applicable) alphanumerics
*/
exe_handle_t * (*open)(const char *filename);
/* Opens an executable file
** Parameters: (const char *) filename: Filename of executable to open.
** Returns : (exe_handle_t *) Decompressor file handle, or NULL on
** error.
** This function will verify that the file can be handled by the
** decompressor. If this is not the case the function will fail.
*/
int (*read)(exe_handle_t *handle, void *buf, int count);
/* Reads from executable file
** Parameters: (exe_handle_t *) handle: Decompressor file handle.
** (void *) buf: Buffer to store decompressed data.
** (int) count: Size of decompressed data requested, in
** bytes.
** Returns : (int) Number of bytes of decompressed data that was
** stored in buf. If this value is less than count
** an error has occured, or end-of-file was
** reached.
*/
void (*close)(exe_handle_t *handle);
/* Closes a decompressor file handle.
** Parameters: (exe_handle_t *) handle: Decompressor file handle.
** Returns : (void)
*/
} exe_decompressor_t;
#endif /* !_SCI_EXE_DEC_H_ */
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