- for (struct odhcp6c_entry *c = start; !x && c < &start[len/sizeof(*c)]; ++c)
- if (!memcmp(c, new, cmplen))
+ for (struct odhcp6c_entry *c = (struct odhcp6c_entry*)start;
+ (uint8_t*)c < &start[len] && &c->auxtarget[c->auxlen] <= &start[len];
+ c = (struct odhcp6c_entry*)(&c->auxtarget[c->auxlen]))
+ if (!memcmp(c, new, cmplen) && !memcmp(c->auxtarget, new->auxtarget, new->auxlen))