mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _CRC_H_
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#define _CRC_H_
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#ifndef _TORQUE_TYPES_H_
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#include "platform/types.h"
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#endif
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class Stream;
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namespace CRC
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{
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/// Initial value for CRCs
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const U32 INITIAL_CRC_VALUE = 0xFFFFFFFF;
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/// Value XORd with the CRC to post condition it (ones complement)
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const U32 CRC_POSTCOND_VALUE = 0xFFFFFFFF;
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/// An invalid CRC
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const U32 INVALID_CRC = 0xFFFFFFFF;
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U32 calculateCRC(const void * buffer, S32 len, U32 crcVal = INITIAL_CRC_VALUE);
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U32 calculateCRCStream(Stream *stream, U32 crcVal = INITIAL_CRC_VALUE);
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}
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#endif
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