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/*
* Copyright (c) 2008 The LOST Project. All rights reserved.
*
* This code is derived from software contributed to the LOST Project
* by Antoine Kaufmann.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the LOST Project
* and its contributors.
* 4. Neither the name of the LOST Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DRIVERS_H_
#define _DRIVERS_H_
/**
* Struktur fuer Funktionspointer der zwei Treiber fuer Lokal und Image
*/
struct drv {
int (*exists) (const char* path);
int (*is_dir) (const char* path);
int (*create) (const char* full, const char* dir, const char* base,
void** private);
int (*open) (const char* path, int write, void** private);
int (*close) (void** private);
uint64_t (*size) (void** private);
int (*read) (void* buf, int size, void** private);
int (*write) (void* buf, int size, void** private);
};
extern struct drv local_drv;
extern struct drv image_drv;
#endif // ndef _DRIVERS_H_