5 #if defined(HAVE_CONFIG_H)
26 const char *s =
nullptr;
28 if (strerror_s(buf,
sizeof(buf), err) == 0) s = buf;
30 #ifdef STRERROR_R_CHAR_P
31 s = strerror_r(err, buf,
sizeof(buf));
33 if (strerror_r(err, buf,
sizeof(buf)) == 0) s = buf;
39 return strprintf(
"Unknown error (%d)", err);
44 std::string Win32ErrorString(
int err)
48 if(FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK,
49 nullptr, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
50 buf, ARRAYSIZE(buf),
nullptr))
52 return strprintf(
"%s (%d)", std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>,
wchar_t>().to_bytes(buf), err);
56 return strprintf(
"Unknown error (%d)", err);
std::string SysErrorString(int err)
Return system error string from errno value.