110 static void convert_v4v6_hostent(struct hostent* hp, char** bpp, char* ep,
115 static void pad_v4v6_hostent(struct hostent* hp, char** bpp, char* ep);
152     char *bp, **hap, *ep;  in getanswer()  local
188     ep = buf + buflen;  in getanswer()
193     n = dn_expand(answer->buf, eom, cp, bp, (int) (ep - bp));  in getanswer()
214         n = dn_expand(answer->buf, eom, cp, bp, (int) (ep - bp));  in getanswer()
252             if (n > ep - bp || n >= MAXHOSTNAMELEN) {  in getanswer()
256             strlcpy(bp, tbuf, (size_t)(ep - bp));  in getanswer()
271             if (n > ep - bp || n >= MAXHOSTNAMELEN) {  in getanswer()
275             strlcpy(bp, tbuf, (size_t)(ep - bp));  in getanswer()
295                 n = dn_expand(answer->buf, eom, cp, bp, (int) (ep - bp));  in getanswer()
345                 if (bp + n >= ep) {  in getanswer()
377             if (n > ep - bp || n >= MAXHOSTNAMELEN) goto no_recovery;  in getanswer()
378             strlcpy(bp, qname, (size_t)(ep - bp));  in getanswer()
382         if (res->options & RES_USE_INET6) map_v4v6_hostent(hent, &bp, ep);  in getanswer()
383         if (hent->h_addrtype == AF_INET) pad_v4v6_hostent(hent, &bp, ep);  in getanswer()
393     if ((size_t)(ep - bp) < qlen) goto nospc;  in getanswer()
400     if ((size_t)(ep - bp) < qlen) goto nospc;  in getanswer()
678 static void convert_v4v6_hostent(struct hostent* hp, char** bpp, char* ep,  in convert_v4v6_hostent()  argument
683     _DIAGASSERT(ep != NULL);  in convert_v4v6_hostent()
690         if (ep - *bpp < (i + NS_IN6ADDRSZ)) {  in convert_v4v6_hostent()
702 static void map_v4v6_hostent(struct hostent* hp, char** bpp, char* ep) {  in map_v4v6_hostent()  argument
703     convert_v4v6_hostent(hp, bpp, ep,  in map_v4v6_hostent()
712 static void pad_v4v6_hostent(struct hostent* hp, char** bpp, char* ep) {  in pad_v4v6_hostent()  argument
713     convert_v4v6_hostent(hp, bpp, ep,  in pad_v4v6_hostent()
799     char qbuf[MAXDNAME + 1], *qp, *ep;  in dns_gethtbyaddr()  local
814             ep = qbuf + sizeof(qbuf) - 1;  in dns_gethtbyaddr()
816                 advance = snprintf(qp, (size_t)(ep - qp), "%x.%x.", uaddr[n] & 0xf,  in dns_gethtbyaddr()
818                 if (advance > 0 && qp + advance < ep)  in dns_gethtbyaddr()