SHAPIPE.CPP (6279B)
1 // 2 // Copyright 2020 Electronic Arts Inc. 3 // 4 // TiberianDawn.DLL and RedAlert.dll and corresponding source code is free 5 // software: you can redistribute it and/or modify it under the terms of 6 // the GNU General Public License as published by the Free Software Foundation, 7 // either version 3 of the License, or (at your option) any later version. 8 9 // TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed 10 // in the hope that it will be useful, but with permitted additional restrictions 11 // under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT 12 // distributed with this program. You should have received a copy of the 13 // GNU General Public License along with permitted additional restrictions 14 // with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection 15 16 /* $Header: /CounterStrike/SHAPIPE.CPP 1 3/03/97 10:25a Joe_bostic $ */ 17 /*********************************************************************************************** 18 *** 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 *** 19 *********************************************************************************************** 20 * * 21 * Project Name : Command & Conquer * 22 * * 23 * File Name : SHAPIPE.CPP * 24 * * 25 * Programmer : Joe L. Bostic * 26 * * 27 * Start Date : 06/30/96 * 28 * * 29 * Last Update : July 3, 1996 [JLB] * 30 * * 31 *---------------------------------------------------------------------------------------------* 32 * Functions: * 33 * SHAPipe::Result -- Fetches the current SHA value. * 34 * SHAPipe::Put -- Pass data through the pipe, but use it to build a SHA digest. * 35 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 36 37 38 #include "shapipe.h" 39 40 41 /*********************************************************************************************** 42 * SHAPipe::Put -- Pass data through the pipe, but use it to build a SHA digest. * 43 * * 44 * This pipe segment will not modify the data, but it will examine the data and use it when * 45 * building a SHA digest. * 46 * * 47 * INPUT: source -- Pointer to the data to flow through the pipe. * 48 * * 49 * length -- The number of bytes to submit. * 50 * * 51 * OUTPUT: Returns with the actual number of bytes output at the distant final end of the * 52 * pipe chain. * 53 * * 54 * WARNINGS: none * 55 * * 56 * HISTORY: * 57 * 07/03/1996 JLB : Created. * 58 *=============================================================================================*/ 59 int SHAPipe::Put(void const * source, int slen) 60 { 61 SHA.Hash(source, slen); 62 return(Pipe::Put(source, slen)); 63 } 64 65 66 /*********************************************************************************************** 67 * SHAPipe::Result -- Fetches the current SHA value. * 68 * * 69 * This routine will return the SHA digest for the data that has passed through this * 70 * link in the pipe chain. It is a non-destructive read. * 71 * * 72 * INPUT: result -- Pointer to the buffer to hold the SHA digest. This buffer must be * 73 * 20 bytes long. * 74 * * 75 * OUTPUT: Returns with the number of bytes copied into the buffer. This will be 20. * 76 * * 77 * WARNINGS: none * 78 * * 79 * HISTORY: * 80 * 07/03/1996 JLB : Created. * 81 *=============================================================================================*/ 82 int SHAPipe::Result(void * result) const 83 { 84 return(SHA.Result(result)); 85 } 86 87