Method checkU8

src/main/java/core/org/xbill/DNS/Record.java:688–695

(String field, int val)

/* Checks that an int contains an unsigned 8 bit value */
static int
checkU8(String field, int val) {
	if (val < 0 || val > 0xFF)
		throw new IllegalArgumentException("\"" + field + "\" " + val + 
						   " must be an unsigned 8 " +
						   "bit value");
	return val;
}

/* Checks that an int contains an unsigned 16 bit value */
static int