diff --git a/src/utf8.cpp b/src/utf8.cpp
index fb8365a..b78d314 100755
--- a/src/utf8.cpp
+++ b/src/utf8.cpp
@@ -143,6 +143,51 @@ return len;
 
 
 
+/*!
+	this function converts one UTF-8 character into one wide-character
+
+	input:
+		utf8 - an input UTF-8 string (null terminated)
+
+	output:
+		res - an output character
+		correct - true if it is a correct character
+
+		the function returns how many characters have been used from the input string
+		(returns zero only if the string has '\0' at the first character)
+		even if there are errors the functions returns a different from zero value
+*/
+size_t UTF8ToInt(const char * utf8, int & res, bool & correct)
+{
+size_t i, len;
+
+	res = 0;
+	correct = false;
+
+	if( *utf8 == 0 )
+		return 0;
+
+	if( !UTF8ToInt_FirstOctet(utf8[0], len, res) )
+		return 1;
+
+	for(i=1 ; i<len ; ++i)
+	{
+		if( utf8[i] == 0 )
+			return i;
+
+		if( !UTF8ToInt_AddNextOctet(utf8[i], res) )
+			return i;
+	}
+
+	if( UTF8_CheckRange(res) )
+		correct = true;
+
+return len;
+}
+
+
+
+
 /*!
 	this function converts one UTF-8 character into one wide-character
 
@@ -522,7 +567,7 @@ static size_t WideToInt(const wchar_t * wide_string, size_t string_len, int & z,
 			
 			if( z2>=0xDC00 && z2<=0xDFFF )
 			{
-				z = 0x10000 + ((z & 0x3FF) << 10) | (z2 & 0x3FF);
+				z = 0x10000 + (((z & 0x3FF) << 10) | (z2 & 0x3FF));
 				return 2;
 			}
 			else
diff --git a/src/utf8.h b/src/utf8.h
index 0331db3..73fe8d0 100755
--- a/src/utf8.h
+++ b/src/utf8.h
@@ -69,6 +69,7 @@ bool UTF8_CheckRange(int c);
 	converting one character from UTF-8 to an int
 */
 size_t UTF8ToInt(const char * utf8, size_t utf8_len, int & res, bool & correct);
+size_t UTF8ToInt(const char * utf8,                  int & res, bool & correct);
 size_t UTF8ToInt(const std::string & utf8,           int & res, bool & correct);
 size_t UTF8ToInt(std::istream & utf8,                int & res, bool & correct);