88 lines
6.2 KiB
C++
88 lines
6.2 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/CRCPIPE.CPP 1 3/03/97 10:24a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : CRCPIPE.CPP *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 06/30/96 *
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* *
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* Last Update : July 3, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* CRCPipe::Result -- Fetches the current CRC of the data. *
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* CRCPipe::Put -- Retrieves the data bytes specified and calculates CRC on it. *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "crcpipe.h"
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/***********************************************************************************************
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* CRCPipe::Put -- Retrieves the data bytes specified and calculates CRC on it. *
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* *
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* This routine will fetch the number of bytes requested from the straw. The data is *
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* not modified by this straw segment, but it is examined by the CRC engine in order to *
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* keep an accurate CRC of the data that passes through this routine. *
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* *
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* INPUT: source -- Pointer to the buffer that will hold the data requested. *
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* *
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* length -- The number of bytes requested. *
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* *
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* OUTPUT: Returns with the actual number of bytes stored into the buffer. If this number is *
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* less than the number requested, then this indicates that the data stream has been *
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* exhausted. *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 07/03/1996 JLB : Created. *
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*=============================================================================================*/
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int CRCPipe::Put(void const * source, int slen)
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{
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CRC(source, slen);
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return(Pipe::Put(source, slen));
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}
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/***********************************************************************************************
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* CRCPipe::Result -- Fetches the current CRC of the data. *
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* *
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* This routine will return the CRC of the data that has passed through the pipe up to *
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* this time. *
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* *
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* INPUT: none *
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* *
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* OUTPUT: Returns with the CRC value. *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 07/03/1996 JLB : Created. *
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*=============================================================================================*/
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long CRCPipe::Result(void) const
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{
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return(CRC());
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}
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