Function dns_skipname

resolve.c:767–785

! \brief Skips over a domain name in a dns message * (it can be a sequence of labels ending in \\0, a pointer or * a sequence of labels ending in a pointer -- see rfc1035 * returns pointer after the domain name or null on error */

 *   returns pointer after the domain name or null on error
 */
unsigned char* dns_skipname(unsigned char* p, unsigned char* end)
{
	while(p<end) {
		/* check if \0 (root label length) */
		if (*p==0){
			p+=1;
			break;
		}
		/* check if we found a pointer */
		if (((*p)&0xc0)==0xc0){
			/* if pointer skip over it (2 bytes) & we found the end */
			p+=2;
			break;
		}
		/* normal label */
		p+=*p+1;
	}
	return (p>=end)?0:p;
}