Added generic command hooking mechanism, to replace Reg*Cmd which is intended for command creation (bug 4015, r=pred).

core/sm_stringutil.cpp

@@ -1580,3 +1580,50 @@ char *UTIL_TrimWhitespace(char *str, size_t &len)
 	return str;
 }
 
+size_t UTIL_DecodeHexString(unsigned char *buffer, size_t maxlength, const char *hexstr)
+{
+	size_t written = 0;
+	size_t length = strlen(hexstr);
+
+	for (size_t i = 0; i < length; i++)
+	{
+		if (written >= maxlength)
+			break;
+		buffer[written++] = hexstr[i];
+		if (hexstr[i] == '\\' && hexstr[i + 1] == 'x')
+		{
+			if (i + 3 >= length)
+				continue;
+			/* Get the hex part. */
+			char s_byte[3];
+			int r_byte;
+			s_byte[0] = hexstr[i + 2];
+			s_byte[1] = hexstr[i + 3];
+			s_byte[2] = '\0';
+			/* Read it as an integer */
+			sscanf(s_byte, "%x", &r_byte);
+			/* Save the value */
+			buffer[written - 1] = r_byte;
+			/* Adjust index */
+			i += 3;
+		}
+	}
+
+	return written;
+}
+
+char *UTIL_ToLowerCase(const char *str)
+{
+	size_t len = strlen(str);
+	char *buffer = new char[len + 1];
+	for (size_t i = 0; i < len; i++)
+	{
+		if (str[i] >= 'A' && str[i] <= 'Z')
+			buffer[i] = tolower(str[i]);
+		else
+			buffer[i] = str[i];
+	}
+	buffer[len] = '\0';
+	return buffer;
+}
+