@@ -730,10 +730,11 @@
 	intmax_t num = 0;
 
 	if (string[0] == '-')
 		i++;
 
+	/* FIXME: Add overflow check */
 	for (; i < length; i++) {
 		if (string[i] >= '0' && string[i] <= '9')
 			num = (num * 10) + (string[i] - '0');
 		else
 			@throw [OFInvalidEncodingException newWithClass: isa];
@@ -759,10 +760,11 @@
 		i = 1;
 
 	if (i == length)
 		@throw [OFInvalidEncodingException newWithClass: isa];
 
+	/* FIXME: Add overflow check */
 	for (; i < length; i++) {
 		if (string[i] >= '0' && string[i] <= '9')
 			num = (num << 4) | (string[i] - '0');
 		else if (string[i] >= 'A' && string[i] <= 'F')
 			num = (num << 4) | (string[i] - 'A' + 10);