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yuzu/src/common/error.cpp
Morph 290afc00d3 common: Move error handling to error.cpp/h
This allows us to avoid implicitly including <string> every time common_funcs.h is included.
2021-09-11 17:19:14 -04:00

56 lines
1.5 KiB
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
#include "common/error.h"
namespace Common {
std::string NativeErrorToString(int e) {
#ifdef _WIN32
LPSTR err_str;
DWORD res = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, e, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
if (!res) {
return "(FormatMessageA failed to format error)";
}
std::string ret(err_str);
LocalFree(err_str);
return ret;
#else
char err_str[255];
#if defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600))
// Thread safe (GNU-specific)
const char* str = strerror_r(e, err_str, sizeof(err_str));
return std::string(str);
#else
// Thread safe (XSI-compliant)
int second_err = strerror_r(e, err_str, sizeof(err_str));
if (second_err != 0) {
return "(strerror_r failed to format error)";
}
return std::string(err_str);
#endif // GLIBC etc.
#endif // _WIN32
}
std::string GetLastErrorMsg() {
#ifdef _WIN32
return NativeErrorToString(GetLastError());
#else
return NativeErrorToString(errno);
#endif
}
} // namespace Common