| 3 | #include "util/strings.hpp" |
| 4 | |
| 5 | std::wstring Error::MessageFromErrno(errno_t err) |
| 6 | { |
| 7 | std::wstring str; |
| 8 | // fairly reasonable size so that most error messages fit within it. |
| 9 | str.resize_and_overwrite(256, [err](wchar_t* data, std::size_t count) -> std::size_t |
| 10 | { |
| 11 | if (const errno_t strErr = _wcserror_s(data, count + 1, err); strErr == 0) |
| 12 | { |
| 13 | return wcslen(data); |
| 14 | } |
| 15 | else |
| 16 | { |
| 17 | return 0; |
| 18 | } |
| 19 | }); |
| 20 | |
| 21 | if (!str.empty()) |
| 22 | { |
| 23 | Util::TrimInplace(str); |
| 24 | } |
| 25 | else |
| 26 | { |
| 27 | str = L"[failed to get message for errno_t]"; |
| 28 | } |
| 29 | |
| 30 | return std::format(L"{}: {}", err, str); |
| 31 | } |
nothing calls this directly
no test coverage detected