src/OSSupport/GetAddressInfoError.h


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#pragma once


/** Returns the readable form of a getaddressinfo type error code */
inline AString ErrorString(int a_ErrorCode)
{
	// Note gai_strerror is not threadsafe on windows
	#ifdef _WIN32
		char ErrorStr[GAI_STRERROR_BUFFER_SIZE + 1];

		int MsgLen = FormatMessageA(
			FORMAT_MESSAGE_FROM_SYSTEM |
			FORMAT_MESSAGE_IGNORE_INSERTS |
			FORMAT_MESSAGE_MAX_WIDTH_MASK,
			nullptr,
			a_ErrorCode,
			MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
			ErrorStr,
			sizeof(ErrorStr) - 1,
			nullptr
		);

		return AString(ErrorStr, MsgLen);
	#else
		return gai_strerror(a_ErrorCode);
	#endif
}