mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
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03416d24e1
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
164 lines
9.4 KiB
C++
164 lines
9.4 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/XPIPE.CPP 1 3/03/97 10:26a 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 : XPIPE.CPP *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 07/04/96 *
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* *
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* Last Update : July 5, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* BufferPipe::Put -- Submit data to the buffered pipe segment. *
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* FilePipe::Put -- Submit a block of data to the pipe. *
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* FilePipe::End -- End the file pipe handler. *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "FUNCTION.H"
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#include "xpipe.h"
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#include <stddef.h>
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#include <string.h>
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//---------------------------------------------------------------------------------------------------------
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// BufferPipe
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//---------------------------------------------------------------------------------------------------------
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/***********************************************************************************************
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* BufferPipe::Put -- Submit data to the buffered pipe segment. *
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* *
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* The buffered pipe is a pipe terminator. That is, the data never flows onto subsequent *
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* pipe chains. The data is stored into the buffer previously submitted to the pipe. *
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* If the buffer is full, no more data is output to the buffer. *
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* *
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* INPUT: source -- Pointer to the data to submit. *
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* *
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* length -- The number of bytes to be submitted. *
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* *
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* OUTPUT: Returns with the number of bytes output to the destination buffer. *
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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 BufferPipe::Put(void const * source, int slen)
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{
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int total = 0;
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if (Is_Valid() && source != NULL && slen > 0) {
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int len = slen;
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if (BufferPtr.Get_Size() != 0) {
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int theoretical_max = BufferPtr.Get_Size() - Index;
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len = (slen < theoretical_max) ? slen : theoretical_max;
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}
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if (len > 0) {
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memmove(((char *)BufferPtr.Get_Buffer()) + Index, source, len);
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}
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Index += len;
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// Length -= len;
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// Buffer = ((char *)Buffer) + len;
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total += len;
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}
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return(total);
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}
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//---------------------------------------------------------------------------------------------------------
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// FilePipe
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//---------------------------------------------------------------------------------------------------------
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FilePipe::~FilePipe(void)
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{
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if (Valid_File() && HasOpened) {
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HasOpened = false;
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File->Close();
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File = NULL;
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}
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}
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/***********************************************************************************************
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* FilePipe::End -- End the file pipe handler. *
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* *
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* This routine is called when there will be no more data sent through the pipe. It is *
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* responsible for cleaning up anything it needs to. This is not handled by the *
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* destructor, although it serves a similar purpose, because pipe are linked together and *
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* the destructor order is not easily controlled. If the destructors for a pipe chain were *
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* called out of order, the result might be less than pleasant. *
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* *
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* INPUT: none *
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* *
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* OUTPUT: Returns with the number of bytes flushed out the final end of the pipe as a *
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* consequence of this routine. *
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* *
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* WARNINGS: Don't send any more data through the pipe after this routine is called. *
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* *
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* HISTORY: *
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* 07/05/1996 JLB : Created. *
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*=============================================================================================*/
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int FilePipe::End(void)
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{
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int total = Pipe::End();
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if (Valid_File() && HasOpened) {
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HasOpened = false;
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File->Close();
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}
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return(total);
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}
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/***********************************************************************************************
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* FilePipe::Put -- Submit a block of data to the pipe. *
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* *
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* Takes the data block submitted and writes it to the file. If the file was not already *
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* open, this routine will open it for write. *
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* *
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* INPUT: source -- Pointer to the data to submit to the file. *
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* *
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* length -- The number of bytes to write to the file. *
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* *
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* OUTPUT: Returns with the number of bytes written to the file. *
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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 FilePipe::Put(void const * source, int slen)
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{
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if (Valid_File() && source != NULL && slen > 0) {
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if (!File->Is_Open()) {
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HasOpened = true;
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File->Open(WRITE);
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}
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return(File->Write(source, slen));
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}
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return(0);
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}
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