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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "PackPacket.h"
#include "System/Log/ILog.h"
#include <algorithm>
#include <cstdlib>
namespace netcode
{
PackPacket::PackPacket(const unsigned length)
: RawPacket(length)
, pos(0)
{
}
PackPacket::PackPacket(const unsigned length, unsigned char msgID)
: RawPacket(length)
, pos(0)
{
*this << msgID;
}
PackPacket& PackPacket::operator<<(const std::string& text)
{
size_t size = std::min(text.size() + 1, static_cast<size_t>(length - pos));
if (std::string::npos != text.find_first_of('\0')) {
LOG_L(L_WARNING, "A text must not contain a '\\0' inside, truncating");
size = text.find_first_of('\0') + 1;
}
if (size + pos > length) {
LOG_L(L_WARNING, "netcode: string data truncated in packet");
#ifdef DEBUG
std::abort();
#endif
}
memcpy((char*)(data + pos), text.c_str(), size);
pos += size;
return *this;
}
}
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