Update.

1999-05-14  Ulrich Drepper  <drepper@cygnus.com>

	* nis/nis_getservlist.c (nis_getservlist): Use malloc instead of
	calloc.

	* nis/nis_checkpoint.c (nis_checkpoint): Fix memory leaks.
	* nis/nis_addmember.c (nis_addmember): Fix memory leak.  Test
	memory allocation results.

ChangeLog

@@ -1,3 +1,12 @@
+1999-05-14  Ulrich Drepper  <drepper@cygnus.com>
+
+	* nis/nis_getservlist.c (nis_getservlist): Use malloc instead of
+	calloc.
+
+	* nis/nis_checkpoint.c (nis_checkpoint): Fix memory leaks.
+	* nis/nis_addmember.c (nis_addmember): Fix memory leak.  Test
+	memory allocation results.
+
 1999-05-14  Mark Kettenis  <kettenis@gnu.org>
 
 	* sysdeps/generic/getutmp.c: Include <string.h>

nis/nis_addmember.c

@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -50,13 +50,25 @@ nis_addmember (const_nis_name member, const_nis_name group)
 	}
       if ((NIS_RES_NUMOBJ (res)  != 1) ||
           (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
-        return NIS_INVALIDOBJ;
+	{
+	  nis_freeresult (res);
+	  return NIS_INVALIDOBJ;
+	}
 
       NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val
 	= realloc (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val,
 		   (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len + 1)
 		   * sizeof (char *));
+      if (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val == NULL)
+	goto nomem_out;
       NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len] = strdup (member);
+      if (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len] == NULL)
+	{
+	  free (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val);
+	nomem_out:
+	  nis_freeresult (res);
+	  return NIS_NOMEMORY;
+	}
       ++NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len;
 
       cp = stpcpy (buf, NIS_RES_OBJECT(res)->zo_name);

nis/nis_checkpoint.c

@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -39,11 +39,15 @@ nis_checkpoint(const_nis_name dirname)
 
       res2 = nis_lookup (dirname, EXPAND_NAME);
       if (NIS_RES_STATUS (res2) != NIS_SUCCESS)
-        return res2;
+	{
+	  free (res);
+	  return res2;
+	}
 
       /* Check if obj is really a diryectory object */
       if (__type_of (NIS_RES_OBJECT (res2)) != NIS_DIRECTORY_OBJ)
 	{
+	  nis_freeresult (res2);
 	  nis_freeresult (res);
 	  NIS_RES_STATUS (res) = NIS_INVALIDOBJ;
 	  return res;

nis/nis_getservlist.c

@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -37,7 +37,7 @@ nis_getservlist (const_nis_name dir)
       nis_server *server;
 
       serv =
-	calloc (1, sizeof (nis_server *) *
+	malloc (sizeof (nis_server *) *
 		(NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len + 1));
       if (serv == NULL)
 	return NULL;
@@ -53,10 +53,13 @@ nis_getservlist (const_nis_name dir)
           serv[i]->ep.ep_len = server->ep.ep_len;
           if (serv[i]->ep.ep_len > 0)
             {
-              unsigned long j;
+              unsigned long int j;
 
               serv[i]->ep.ep_val =
 		malloc (server->ep.ep_len * sizeof (endpoint));
+	      if (serv[i]->ep.ep_val == NULL)
+		return NULL;
+
               for (j = 0; j < serv[i]->ep.ep_len; ++j)
                 {
                   if (server->ep.ep_val[j].uaddr)
@@ -92,6 +95,9 @@ nis_getservlist (const_nis_name dir)
           else
             serv[i]->pkey.n_bytes = NULL;
         }
+      serv[i] = NULL;
+
+      nis_freeresult (res);
     }
   else
     {