| 1 | #include <resolv.h> |
| 2 | #include <string.h> |
| 3 | |
| 4 | int res_querydomain(const char *name, const char *domain, int class, int type, unsigned char *dest, int len) |
| 5 | { |
| 6 | char tmp[255]; |
| 7 | size_t nl = strnlen(name, 255); |
| 8 | size_t dl = strnlen(domain, 255); |
| 9 | if (nl+dl+1 > 254) return -1; |
| 10 | memcpy(tmp, name, nl); |
| 11 | tmp[nl] = '.'; |
| 12 | memcpy(tmp+nl+1, domain, dl+1); |
| 13 | return res_query(tmp, class, type, dest, len); |
| 14 | } |