src/network/dn_skipname.c

   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 }