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/* The zlibw object. It encapsulates the zlib functionality. The primary
* purpose of this wrapper class is to enable rsyslogd core to be build without
* zlib libraries.
*
* Copyright 2009-2022 Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDED_ZLIBW_H
#define INCLUDED_ZLIBW_H
#include <zlib.h>
#include "errmsg.h"
/* interfaces */
BEGINinterface(zlibw) /* name must also be changed in ENDinterface macro! */
int (*DeflateInit)(z_streamp strm, int);
int (*DeflateInit2)(z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy);
int (*Deflate)(z_streamp strm, int);
int (*DeflateEnd)(z_streamp strm);
rsRetVal (*doStrmWrite)(strm_t *pThis, uchar *const pBuf, const size_t lenBuf, const int bFlush,
rsRetVal (*strmPhysWrite)(strm_t *pThis, uchar *pBuf, size_t lenBuf) );
rsRetVal (*doCompressFinish)(strm_t *pThis,
rsRetVal (*Destruct)(strm_t *pThis, uchar *pBuf, size_t lenBuf) );
rsRetVal (*Destruct)(strm_t *pThis);
ENDinterface(zlibw)
#define zlibwCURR_IF_VERSION 2 /* increment whenever you change the interface structure! */
/* prototypes */
PROTOTYPEObj(zlibw);
/* the name of our library binary */
#define LM_ZLIBW_FILENAME "lmzlibw"
#endif /* #ifndef INCLUDED_ZLIBW_H */
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