Richard Boegli's CnC_Generals_Zero_Hour Fork WIP
This is documentation of Richard Boegil's Zero Hour Fork
 
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shapipe.cpp
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1/*
2** Command & Conquer Generals Zero Hour(tm)
3** Copyright 2025 Electronic Arts Inc.
4**
5** This program is free software: you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation, either version 3 of the License, or
8** (at your option) any later version.
9**
10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program. If not, see <http://www.gnu.org/licenses/>.
17*/
18
19/***********************************************************************************************
20 *** 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 ***
21 ***********************************************************************************************
22 * *
23 * Project Name : Command & Conquer *
24 * *
25 * $Archive:: /Commando/Library/SHAPIPE.CPP $*
26 * *
27 * $Author:: Greg_h $*
28 * *
29 * $Modtime:: 7/22/97 11:37a $*
30 * *
31 * $Revision:: 1 $*
32 * *
33 *---------------------------------------------------------------------------------------------*
34 * Functions: *
35 * SHAPipe::Result -- Fetches the current SHA value. *
36 * SHAPipe::Put -- Pass data through the pipe, but use it to build a SHA digest. *
37 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
38
39
40#include "always.h"
41#include "shapipe.h"
42
43
44/***********************************************************************************************
45 * SHAPipe::Put -- Pass data through the pipe, but use it to build a SHA digest. *
46 * *
47 * This pipe segment will not modify the data, but it will examine the data and use it when *
48 * building a SHA digest. *
49 * *
50 * INPUT: source -- Pointer to the data to flow through the pipe. *
51 * *
52 * length -- The number of bytes to submit. *
53 * *
54 * OUTPUT: Returns with the actual number of bytes output at the distant final end of the *
55 * pipe chain. *
56 * *
57 * WARNINGS: none *
58 * *
59 * HISTORY: *
60 * 07/03/1996 JLB : Created. *
61 *=============================================================================================*/
62int SHAPipe::Put(void const * source, int slen)
63{
64 SHA.Hash(source, slen);
65 return(Pipe::Put(source, slen));
66}
67
68
69/***********************************************************************************************
70 * SHAPipe::Result -- Fetches the current SHA value. *
71 * *
72 * This routine will return the SHA digest for the data that has passed through this *
73 * link in the pipe chain. It is a non-destructive read. *
74 * *
75 * INPUT: result -- Pointer to the buffer to hold the SHA digest. This buffer must be *
76 * 20 bytes long. *
77 * *
78 * OUTPUT: Returns with the number of bytes copied into the buffer. This will be 20. *
79 * *
80 * WARNINGS: none *
81 * *
82 * HISTORY: *
83 * 07/03/1996 JLB : Created. *
84 *=============================================================================================*/
85int SHAPipe::Result(void * result) const
86{
87 return(SHA.Result(result));
88}
89
90
Pipe::Put
virtual int Put(void const *source, int slen)
Definition pipe.cpp:131
SHAPipe::Put
virtual int Put(void const *source, int slen)
Definition shapipe.cpp:62
SHAPipe::SHA
SHAEngine SHA
Definition shapipe.h:57
SHAPipe::Result
int Result(void *result) const
Definition shapipe.cpp:85