36 lines
913 B
C++
36 lines
913 B
C++
// Copyright (c) 2011-2016 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "MemoryInputStream.h"
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#include <algorithm>
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#include <cassert>
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#include <cstring> // memcpy
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namespace Common {
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MemoryInputStream::MemoryInputStream(const void* buffer, size_t bufferSize) :
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buffer(static_cast<const char*>(buffer)), bufferSize(bufferSize), position(0) {}
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size_t MemoryInputStream::getPosition() const {
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return position;
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}
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bool MemoryInputStream::endOfStream() const {
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return position == bufferSize;
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}
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size_t MemoryInputStream::readSome(void* data, size_t size) {
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assert(position <= bufferSize);
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size_t readSize = std::min(size, bufferSize - position);
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if (readSize > 0) {
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memcpy(data, buffer + position, readSize);
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position += readSize;
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}
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return readSize;
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}
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}
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