len = strlen(tok);
/* Fail quietly if tok is a hostname (not an address) */
- if (strspn(tok, "./0123456789") != len
+ if (strspn(tok, ".0123456789") != len
#ifdef INET6
- && strspn(tok, "/0123456789:ABCDEFabcdef") != len
- && !strchr(tok, '%')
+ && !strchr(tok, ':')
#endif
) return 0;