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o3de/Code/CryEngine/CrySystem/CompressedFile.cpp

39 lines
1.4 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
#include "CrySystem_precompiled.h"
#include "System.h"
#include "CryZlib.h"
bool CSystem::CompressDataBlock(const void* input, size_t inputSize, void* output, size_t& outputSize, int level)
{
uLongf destLen = outputSize;
Bytef* dest = static_cast<Bytef*>(output);
uLong sourceLen = inputSize;
const Bytef* source = static_cast<const Bytef*>(input);
bool ok = Z_OK == compress2(dest, &destLen, source, sourceLen, level);
outputSize = destLen;
return ok;
}
bool CSystem::DecompressDataBlock(const void* input, size_t inputSize, void* output, size_t& outputSize)
{
uLongf destLen = outputSize;
Bytef* dest = static_cast<Bytef*>(output);
uLong sourceLen = inputSize;
const Bytef* source = static_cast<const Bytef*>(input);
bool ok = Z_OK == uncompress(dest, &destLen, source, sourceLen);
outputSize = destLen;
return ok;
}