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authorUlrich Drepper <drepper@redhat.com>2008-11-27 00:25:32 +0000
committerUlrich Drepper <drepper@redhat.com>2008-11-27 00:25:32 +0000
commitca4dc0fe64c2087b78c52ff9b93ecca669d56164 (patch)
tree82e3578964be0e3109a1c26da2670e76bdd408cb /sysdeps/posix/getaddrinfo.c
parentd6c9ebb777066a02020d28b1d29a6de09b08ccdf (diff)
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* sysdeps/posix/getaddrinfo.c (getaddrinfo): If the system has
	neither IPv4 nor IPv6 addresses defined, don't do anything.
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
-rw-r--r--sysdeps/posix/getaddrinfo.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 97f3af9938..b52c371c81 100644
--- 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;
 	}