mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-21 11:51:48 +02:00
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Copyright 2009 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
// The code in GetErrorMessage can't handle some systems having the
|
|
// GNU version of strerror_r and other systems having the XSI version,
|
|
// so we undefine _GNU_SOURCE here in an attempt to always get the XSI version.
|
|
// We include cstring before all other headers in case cstring is included
|
|
// indirectly (without undefining _GNU_SOURCE) by some other header.
|
|
#ifdef _GNU_SOURCE
|
|
#undef _GNU_SOURCE
|
|
#include <cstring>
|
|
#define _GNU_SOURCE
|
|
#else
|
|
#include <cstring>
|
|
#endif
|
|
|
|
#include <cstddef>
|
|
#include <errno.h>
|
|
|
|
#include "Common/CommonFuncs.h"
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#define strerror_r(err, buf, len) strerror_s(buf, len, err)
|
|
#endif
|
|
|
|
constexpr size_t BUFFER_SIZE = 256;
|
|
|
|
// Wrapper function to get last strerror(errno) string.
|
|
// This function might change the error code.
|
|
std::string LastStrerrorString()
|
|
{
|
|
char error_message[BUFFER_SIZE];
|
|
|
|
// We assume that the XSI-compliant version of strerror_r (returns int) is used
|
|
// rather than the GNU version (returns char*). The returned value is stored to
|
|
// an int variable to get a compile-time check that the return type is not char*.
|
|
const int result = strerror_r(errno, error_message, BUFFER_SIZE);
|
|
if (result != 0)
|
|
return "";
|
|
return std::string(error_message);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
// Wrapper function to get GetLastError() string.
|
|
// This function might change the error code.
|
|
std::string GetLastErrorString()
|
|
{
|
|
char error_message[BUFFER_SIZE];
|
|
|
|
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(),
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), error_message, BUFFER_SIZE, nullptr);
|
|
return std::string(error_message);
|
|
}
|
|
#endif
|