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authorUlrich Drepper <drepper@redhat.com>2008-12-09 10:02:20 +0000
committerUlrich Drepper <drepper@redhat.com>2008-12-09 10:02:20 +0000
commitd4f0720b201778bedd41b662643d28701b079717 (patch)
treeeb9881545720dcf4a864bd19cda714f34a9a7f23 /inet/getnameinfo.c
parentcd72adebda1a008550de05cfcc669b90c36bc438 (diff)
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[BZ #7080]
2008-12-08  Ulrich Drepper  <drepper@redhat.com>
	[BZ #7080]
	* inet/getnameinfo.c (getnameinfo): Check for output buffers being
	NULL when NI_NAMEREQD is set.
	Patch mostly by Yang Hongyang <yanghy@cn.fujitsu.com>.
	* inet/Makefile (tests): Add tst-getni1.
	* inet/tst-getni1.c: New file.
Diffstat (limited to 'inet/getnameinfo.c')
-rw-r--r--inet/getnameinfo.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c
index 50240383f3..db6b5c7eee 100644
--- a/inet/getnameinfo.c
+++ b/inet/getnameinfo.c
@@ -178,6 +178,9 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
   if (sa == NULL || addrlen < sizeof (sa_family_t))
     return EAI_FAMILY;
 
+  if ((flags & NI_NAMEREQD) && host == NULL && serv == NULL)
+    return EAI_NONAME;
+
   switch (sa->sa_family)
     {
     case AF_LOCAL: