2013-09-26 17:14:40 +02:00

67 lines
2.3 KiB
C

/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matthias Scheler.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 FILEIO_H
#define FILEIO_H
#include <stdbool.h>
#include <unistd.h>
typedef struct FileHandleStruct FileHandle;
extern void FileHandleClose(FileHandle *);
extern bool FileHandleRead(FileHandle *, void *, size_t);
extern off_t FileHandleGetPos(const FileHandle *fh);
extern FileHandle *FileHandleBZLib(int *);
extern FileHandle *FileHandleLZMA(int *);
extern FileHandle *FileHandlePlain(int *);
extern FileHandle *FileHandleZLib(int *);
#ifdef FILEIO_INTERNAL
typedef void (*FileHandleCloseFunc)(struct FileHandleStruct *);
typedef ssize_t (*FileHandleReadFunc)(struct FileHandleStruct *, void *,size_t);
struct FileHandleStruct {
FileHandleCloseFunc fh_CloseFunc;
FileHandleReadFunc fh_ReadFunc;
void *fh_InstData;
off_t fh_Pos;
};
extern FileHandle *FileHandleCreate(FileHandleCloseFunc, FileHandleReadFunc,
size_t);
#endif /* FILEIO_INTERNAL */
#endif /* !FILEIO_H */