| 1 | #include <resolv.h> |
| 2 | |
| 3 | int dn_skipname(const unsigned char *s, const unsigned char *end) |
| 4 | { |
| 5 | 	const unsigned char *p = s; |
| 6 | 	while (p < end) |
| 7 | 		if (!*p) return p-s+1; |
| 8 | 		else if (*p>=192) |
| 9 | 			if (p+1<end) return p-s+2; |
| 10 | 			else break; |
| 11 | 		else |
| 12 | 			if (end-p<*p+1) break; |
| 13 | 			else p += *p + 1; |
| 14 | 	return -1; |
| 15 | } |