Merge #14192: utils: Convert fs::filesystem_error messages from local multibyte to utf-8 on Windows

e221368932 utils: Convert fs error messages from multibyte to utf-8 (Chun Kuan Lee)

Pull request description:

  Before:
  ![default](https://user-images.githubusercontent.com/11154118/45318798-8d83f480-b570-11e8-8cbb-c729a54f6b9e.png)
  After:
  ![2](https://user-images.githubusercontent.com/11154118/45318806-91177b80-b570-11e8-9474-a62342c92dbd.png)

Tree-SHA512: 0a598bd159286f6784d117b8a24888b2650d5402d687ab0e8d0849e0c3d53797e266647d8177bb6614307c9598019cd7477311bb9895b1bb52a6bd77b460fda1
This commit is contained in:
Wladimir J. van der Laan
2018-09-13 17:30:23 +02:00
5 changed files with 21 additions and 3 deletions

View File

@@ -97,4 +97,20 @@ bool FileLock::TryLock()
}
#endif
std::string get_filesystem_error_message(const fs::filesystem_error& e)
{
#ifndef WIN32
return e.what();
#else
// Convert from Multi Byte to utf-16
std::string mb_string(e.what());
int size = MultiByteToWideChar(CP_ACP, 0, mb_string.c_str(), mb_string.size(), nullptr, 0);
std::wstring utf16_string(size, L'\0');
MultiByteToWideChar(CP_ACP, 0, mb_string.c_str(), mb_string.size(), &*utf16_string.begin(), size);
// Convert from utf-16 to utf-8
return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t>().to_bytes(utf16_string);
#endif
}
} // fsbridge