citra/src/common/misc.cpp

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// 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>
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#ifdef _WIN32
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#include <windows.h>
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#else
#include <cerrno>
#include <cstring>
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#endif
#include "common/common_funcs.h"
// Generic function to get last error message.
// Call directly after the command or use the error num.
// This function might change the error code.
std::string GetLastErrorMsg() {
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static const size_t buff_size = 255;
char err_str[buff_size];
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#ifdef _WIN32
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FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), err_str, buff_size, nullptr);
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#else
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// Thread safe (XSI-compliant)
strerror_r(errno, err_str, buff_size);
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#endif
return std::string(err_str, buff_size);
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}