2022-11-05 13:58:44 +01:00
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// SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
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// SPDX-FileCopyrightText: 2014 Citra Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <cstddef>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <cerrno>
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#include <cstring>
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#endif
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#include "common/error.h"
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namespace Common {
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std::string NativeErrorToString(int e) {
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#ifdef _WIN32
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LPSTR err_str;
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DWORD res = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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nullptr, e, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
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if (!res) {
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return "(FormatMessageA failed to format error)";
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}
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std::string ret(err_str);
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LocalFree(err_str);
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return ret;
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#else
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char err_str[255];
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#if defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600))
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// Thread safe (GNU-specific)
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const char* str = strerror_r(e, err_str, sizeof(err_str));
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return std::string(str);
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#else
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// Thread safe (XSI-compliant)
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int second_err = strerror_r(e, err_str, sizeof(err_str));
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if (second_err != 0) {
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return "(strerror_r failed to format error)";
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}
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return std::string(err_str);
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#endif // GLIBC etc.
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#endif // _WIN32
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}
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std::string GetLastErrorMsg() {
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#ifdef _WIN32
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return NativeErrorToString(GetLastError());
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#else
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return NativeErrorToString(errno);
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#endif
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}
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} // namespace Common
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