mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-17 13:53:57 -07:00
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "Stream.h"
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#include <cassert>
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#include <string>
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#include <memory.h>
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using namespace DatafileIO;
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bool InputStream::AcquireBuffer(void*& buffer, size_t& size, size_t max_size)
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{
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std::string data;
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const size_t tempBufSize = 65536;
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static char tempBuffer[tempBufSize];
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size = 0;
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size_t bytesLeft = max_size;
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size_t bytesRead;
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while (bytesLeft > 0 && (bytesRead = Read(tempBuffer, std::min(bytesLeft, tempBufSize))) != 0)
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{
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size += bytesRead;
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bytesLeft -= bytesRead;
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data += std::string(tempBuffer, bytesRead);
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}
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buffer = new char[size];
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memcpy(buffer, data.data(), size);
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return true;
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}
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void InputStream::ReleaseBuffer(void* buffer)
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{
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delete[] (char*)buffer;
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}
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