std::wstring result(s, L' ');
while(s < (r = std::wcsxfrm(&*result.begin(), src.c_str(), s)))
{
+#if defined(_CPPLIB_VER)
+ //
+ // A bug in VC11 and 12 causes the program to hang if we pass a null-string
+ // to std::strxfrm, but only for certain locales :-(
+ // Probably effects Intel and Clang or any compiler using the VC std library (Dinkumware).
+ //
+ if(r == INT_MAX)
+ {
+ result.erase();
+ result.insert(result.begin(), static_cast<wchar_t>(0));
+ return result;
+ }
+#endif
result.append(r - s + 3, L' ');
s = result.size();
}