Core/Battle.net: Implemented authserver

src/server/shared/Utilities/Util.cpp

@@ -524,6 +524,17 @@ void vutf8printf(FILE* out, const char *str, va_list* ap)
 #endif
 }
 
+bool Utf8ToUpperOnlyLatin(std::string& utf8String)
+{
+    std::wstring wstr;
+    if (!Utf8toWStr(utf8String, wstr))
+        return false;
+
+    std::transform(wstr.begin(), wstr.end(), wstr.begin(), wcharToUpperOnlyLatin);
+
+    return WStrToUtf8(wstr, utf8String);
+}
+
 std::string ByteArrayToHexStr(uint8 const* bytes, uint32 arrayLen, bool reverse /* = false */)
 {
     int32 init = 0;