a start a making getnetbyaddr() respect "lookup" keyword in resolv.conf

diff --git a/lib/libc/net/getnetnamadr.c b/lib/libc/net/getnetnamadr.c
index cc6ccc4..7a5ff39 100644 (file)
--- a/lib/libc/net/getnetnamadr.c
+++ b/lib/libc/net/getnetnamadr.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: getnetnamadr.c,v 1.1 1997/03/13 19:07:27 downsj Exp $ */
+/*     $OpenBSD: getnetnamadr.c,v 1.2 1997/04/03 02:15:16 kstailey Exp $       */
 
 /* Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
  *     Dep. Matematica Universidade de Coimbra, Portugal, Europe
@@ -46,7 +46,7 @@ static char sccsid[] = "@(#)getnetbyaddr.c    8.1 (Berkeley) 6/4/93";
 static char sccsid_[] = "from getnetnamadr.c   1.4 (Coimbra) 93/06/03";
 static char rcsid[] = "$From: getnetnamadr.c,v 8.7 1996/08/05 08:31:35 vixie Exp $";
 #else
-static char rcsid[] = "$OpenBSD: getnetnamadr.c,v 1.1 1997/03/13 19:07:27 downsj Exp $";
+static char rcsid[] = "$OpenBSD: getnetnamadr.c,v 1.2 1997/04/03 02:15:16 kstailey Exp $";
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -214,10 +214,32 @@ getnetbyaddr(net, net_type)
        char qbuf[MAXDNAME];
        unsigned long net2;
        struct netent *net_entry;
+       char lookups[MAXDNSLUS];
+       int i;
 
        if (net_type != AF_INET)
                return (_getnetbyaddr(net, net_type));
 
+       bcopy(_res.lookups, lookups, sizeof lookups);
+       if (lookups[0] == '\0')
+               strncpy(lookups, "bf", sizeof lookups);
+
+       for (i = 0; i < MAXDNSLUS && lookups[i]; i++) {
+               switch (lookups[i]) {
+#if 0 /* def YP */
+               case 'y':
+                       /* YP only supports AF_INET. */
+                       if (af == AF_INET)
+                               hp = _yp_gethtbyaddr(addr);
+                       break;
+#endif
+               case 'b':
+                       break;
+               case 'f':
+                       return (_getnetbyaddr(net, net_type));
+               }
+       }
+
        for (nn = 4, net2 = net; net2; net2 >>= 8)
                netbr[--nn] = net2 & 0xff;
        switch (nn) {