* sysdeps/posix/getaddrinfo.c (getaddrinfo): If the system has

	neither IPv4 nor IPv6 addresses defined, don't do anything.

diff --git a/ChangeLog b/ChangeLog
index 3650b05..3b0ac93 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-11-26  Ulrich Drepper  <drepper@redhat.com>
+
+       * sysdeps/posix/getaddrinfo.c (getaddrinfo): If the system has
+       neither IPv4 nor IPv6 addresses defined, don't do anything.
+
 2008-11-26  Roland McGrath  <roland@redhat.com>
 
        * sysdeps/unix/sysv/linux/alpha/ipc_priv.h: Renamed to ...

diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 97f3af9..b52c371 100644 (file)
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -2110,6 +2110,11 @@ getaddrinfo (const char *name, const char *service,
             narrow down the search.  */
          if (! seen_ipv4 || ! seen_ipv6)
            {
+             if (! seen_ipv4 && ! seen_ipv6)
+               /* Neither IPv4 nor IPv6 interfaces exist, nothing to
+                  return.  */
+               goto err_noname;
+
              local_hints = *hints;
              local_hints.ai_family = seen_ipv4 ? PF_INET : PF_INET6;
              hints = &local_hints;
@@ -2119,6 +2124,7 @@ getaddrinfo (const char *name, const char *service,
               || (hints->ai_family == PF_INET6 && ! seen_ipv6))
        {
          /* We cannot possibly return a valid answer.  */
+       err_noname:
          free (in6ai);
          return EAI_NONAME;
        }