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authorUlrich Drepper <drepper@redhat.com>2002-12-17 01:16:31 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-17 01:16:31 +0000
commit64ab2317a89b3965e7d7230bb99cfc99a61f895f (patch)
tree1e0b30898630a4a2964dc254471a0f1073f89b1a /sysdeps
parentf83c7164365526788d69128a506d81777e4092b3 (diff)
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Update.
2002-12-16  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/posix/getaddrinfo.c (gaih_inet): If __nss_lookup_function
	fails to return a function pointer don't use it.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/getaddrinfo.c41
1 files changed, 22 insertions, 19 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 4af40f92ad..dd6e4155a1 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -570,25 +570,28 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		{
 		  fct = __nss_lookup_function (nip, "gethostbyname2_r");
 
-		  gethosts2 (AF_INET6, struct in6_addr);
-		  no_inet6_data = no_data;
-		  inet6_status = status;
-		  gethosts2 (AF_INET, struct in_addr);
-
-		  /* If we found one address for AF_INET or AF_INET6,
-		     don't continue the search.  */
-		  if (inet6_status == NSS_STATUS_SUCCESS ||
-		      status == NSS_STATUS_SUCCESS)
-		    break;
-
-		  /* We can have different states for AF_INET
-		     and AF_INET6. Try to find a usefull one for
-		     both.  */
-		  if (inet6_status == NSS_STATUS_TRYAGAIN)
-		    status = NSS_STATUS_TRYAGAIN;
-		  else if (status == NSS_STATUS_UNAVAIL &&
-			   inet6_status != NSS_STATUS_UNAVAIL)
-		    status = inet6_status;
+		  if (fct != NULL)
+		    {
+		      gethosts2 (AF_INET6, struct in6_addr);
+		      no_inet6_data = no_data;
+		      inet6_status = status;
+		      gethosts2 (AF_INET, struct in_addr);
+
+		      /* If we found one address for AF_INET or AF_INET6,
+			 don't continue the search.  */
+		      if (inet6_status == NSS_STATUS_SUCCESS ||
+			  status == NSS_STATUS_SUCCESS)
+			break;
+
+		      /* We can have different states for AF_INET
+			 and AF_INET6. Try to find a usefull one for
+			 both.  */
+		      if (inet6_status == NSS_STATUS_TRYAGAIN)
+			status = NSS_STATUS_TRYAGAIN;
+		      else if (status == NSS_STATUS_UNAVAIL &&
+			       inet6_status != NSS_STATUS_UNAVAIL)
+			status = inet6_status;
+		    }
 
 		  if (nss_next_action (nip, status) == NSS_ACTION_RETURN)
 		    break;