nss-myhostname: copy first result to preallocated buffer

[elogind.git] / src / nss-myhostname / nss-myhostname.c

diff --git a/src/nss-myhostname/nss-myhostname.c b/src/nss-myhostname/nss-myhostname.c
index 83180ad80532713dc6bb9ca2c23e21629568b026..b0fb8323ad0db8d472bde63ea9700f7ad51afe1a 100644 (file)
--- a/src/nss-myhostname/nss-myhostname.c
+++ b/src/nss-myhostname/nss-myhostname.c
@@ -1,23 +1,22 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***

-  This file is part of nss-myhostname.
+  This file is part of systemd.

 
   Copyright 2008-2011 Lennart Poettering
 
 
   Copyright 2008-2011 Lennart Poettering
 

-  nss-myhostname is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public License
-  as published by the Free Software Foundation; either version 2.1 of
-  the License, or (at your option) any later version.
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.

 
 

-  nss-myhostname is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   Lesser General Public License for more details.
 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   Lesser General Public License for more details.
 

-  You should have received a copy of the GNU Lesser General Public
-  License along with nss-myhostname; If not, see
-  <http://www.gnu.org/licenses/>.
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.

 ***/
 
 #include <limits.h>
 ***/
 
 #include <limits.h>


@@ -177,7 +176,11 @@ enum nss_status _nss_myhostname_gethostbyname4_r(
         /* Verify the size matches */
         assert(idx == ms);
 
         /* Verify the size matches */
         assert(idx == ms);
 

-        *pat = r_tuple_prev;
+        /* Nscd expects us to store the first record in **pat. */
+        if (*pat)
+                **pat = *r_tuple_prev;
+        else
+                *pat = r_tuple_prev;

 
         if (ttlp)
                 *ttlp = 0;
 
         if (ttlp)
                 *ttlp = 0;