dolphin/Source/Core/Common/Src/Misc.cpp

// Copyright (C) 2003 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#include "Common.h"

#ifdef __APPLE__
#define __thread
#endif

// Generic function to get last error message.
// Call directly after the command or use the error num.
// This function might change the error code.
const char* GetLastErrorMsg()
{
	static const size_t buff_size = 255;

#ifdef _WIN32
	static __declspec(thread) char err_str[buff_size] = {};

	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(),
		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
		err_str, buff_size, NULL);
#else
	static __thread char err_str[buff_size] = {};

	// Thread safe (XSI-compliant)
	strerror_r(errno, err_str, buff_size);
#endif

	return err_str;
}