visit next addrinfo structure when rresvport_af() fails.

this should fix situation like:
- try to rcmd() to dual stack node from IPv4-only node/kernel

1 files changed, 9 insertions, 4 deletions

diff --git a/src/lib/libc/net/rcmd.c b/src/lib/libc/net/rcmd.c
index 79892bd5a1..3cd3029a03 100644
--- a/src/lib/libc/net/rcmd.c
+++ b/src/lib/libc/net/rcmd.c
@@ -34,7 +34,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: rcmd.c,v 1.33 2000/01/27 05:18:47 itojun Exp $";
+static char *rcsid = "$OpenBSD: rcmd.c,v 1.34 2000/01/30 05:17:49 itojun Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/param.h>
@@ -140,9 +140,14 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
                         else
                                 (void)fprintf(stderr, "rcmd: socket: %s\n",
                                     strerror(errno));
-                        sigsetmask(oldmask);
-                        freeaddrinfo(res);
-                        return (-1);
+                        if (r->ai_next) {
+                                r = r->ai_next;
+                                continue;
+                        } else {
+                                sigsetmask(oldmask);
+                                freeaddrinfo(res);
+                                return (-1);
+                        }
                 }
                 fcntl(s, F_SETOWN, pid);
                 if (connect(s, r->ai_addr, r->ai_addrlen) >= 0)