35 lines
697 B
C++
35 lines
697 B
C++
#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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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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