Lime3DS/src/common/misc.cpp
2015-06-28 00:36:54 +01:00

40 lines
1,008 B
C++

// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstddef>
#ifdef _WIN32
#include <windows.h>
#else
#include <cerrno>
#include <cstring>
#endif
// Neither Android nor OS X support TLS
#if defined(__APPLE__) || (ANDROID && __clang__)
#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] = {};
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
err_str, buff_size, nullptr);
#else
static __thread char err_str[buff_size] = {};
// Thread safe (XSI-compliant)
strerror_r(errno, err_str, buff_size);
#endif
return err_str;
}