Update.

	* include/libc-symbols.h: Define hidden attribute macros for libnsl.
	* include/rpcsvc/nislib.h: Use libnsl_hidden_proto for various
	functions.
	* nis/nis_add.c: Add libnsl_hidden_def.  Minor optimizations.
	* nis/nis_call.c: Likewise.
	* nis/nis_clone_obj.c: Likewise.
	* nis/nis_defaults.c: Likewise.
	* nis/nis_domain_of_r.c: Likewise.
	* nis/nis_error.c: Likewise.
	* nis/nis_file.c: Likewise.
	* nis/nis_free.c: Likewise.
	* nis/nis_local_names.c: Likewise.
	* nis/nis_lookup.c: Likewise.
	* nis/nis_modify.c: Likewise.
	* nis/nis_print.c: Likewise.
	* nis/nis_remove.c: Likewise.
	* nis/nis_subr.c: Likewise.
	* nis/nis_table.c: Likewise.
	* nis/nis_util.c: Likewise.
	* nis/yp_xdr.c: Likewise.
	* nis/ypclnt.c: Likewise.
	* nis/ypupdate_xdr.c: Likewise.

19 files changed, 166 insertions, 191 deletions

diff --git a/nis/nis_add.c b/nis/nis_add.c
index 29646bd..f5e783c 100644
--- a/nis/nis_add.c
+++ b/nis/nis_add.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -72,3 +72,4 @@ nis_add (const_nis_name name, const nis_object *obj2)
 
   return res;
 }
+libnsl_hidden_def (nis_add)
diff --git a/nis/nis_call.c b/nis/nis_call.c
index d65b1dd..e2c55ac 100644
--- a/nis/nis_call.c
+++ b/nis/nis_call.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -71,6 +71,7 @@ __nisbind_destroy (dir_binding *bind)
       clnt_destroy (bind->clnt);
     }
 }
+libnsl_hidden_def (__nisbind_destroy)
 
 nis_error
 __nisbind_next (dir_binding *bind)
@@ -114,6 +115,7 @@ __nisbind_next (dir_binding *bind)
 
   return NIS_FAIL;
 }
+libnsl_hidden_def (__nisbind_next)
 
 nis_error
 __nisbind_connect (dir_binding *dbp)
@@ -179,6 +181,7 @@ __nisbind_connect (dir_binding *dbp)
 
   return NIS_SUCCESS;
 }
+libnsl_hidden_def (__nisbind_connect)
 
 nis_error
 __nisbind_create (dir_binding *dbp, const nis_server *serv_val,
@@ -216,6 +219,7 @@ __nisbind_create (dir_binding *dbp, const nis_server *serv_val,
 
   return NIS_SUCCESS;
 }
+libnsl_hidden_def (__nisbind_create)
 
 /* __nisbind_connect (dbp) must be run before calling this function !
    So we could use the same binding twice */
diff --git a/nis/nis_clone_obj.c b/nis/nis_clone_obj.c
index 82d1425..5f9dd34 100644
--- a/nis/nis_clone_obj.c
+++ b/nis/nis_clone_obj.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -29,43 +29,41 @@ nis_clone_object (const nis_object *src, nis_object *dest)
   unsigned char *addr;
   unsigned long size;
   XDR xdrs;
-  nis_object *res;
+  nis_object *res = NULL;
 
   if (src == NULL)
     return (NULL);
 
-  size = xdr_sizeof ((xdrproc_t)_xdr_nis_object, (char *)src);
-  if ((addr = calloc(1, size)) == NULL)
+  size = xdr_sizeof ((xdrproc_t)_xdr_nis_object, (char *) src);
+  if ((addr = calloc (1, size)) == NULL)
     return NULL;
 
   if (dest == NULL)
     {
       if ((res = calloc (1, sizeof (nis_object))) == NULL)
-	{
-	  free (addr);
-	  return NULL;
-	}
+	goto out2;
     }
   else
     res = dest;
 
-  xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
+  xdrmem_create (&xdrs, addr, size, XDR_ENCODE);
   if (!_xdr_nis_object (&xdrs, (nis_object *)src))
-    {
-      xdr_destroy (&xdrs);
-      free (addr);
-      return NULL;
-    }
+    goto out3;
   xdr_destroy (&xdrs);
-  xdrmem_create(&xdrs, addr, size, XDR_DECODE);
-  if (!_xdr_nis_object(&xdrs, res))
+  xdrmem_create (&xdrs, addr, size, XDR_DECODE);
+  if (!_xdr_nis_object (&xdrs, res))
     {
-      xdr_destroy (&xdrs);
-      free (addr);
-      return NULL;
+    out3:
+      if (dest == NULL)
+	free (res);
+      res = NULL;
     }
+
+ out:
   xdr_destroy (&xdrs);
+ out2:
   free (addr);
 
   return res;
 }
+libnsl_hidden_def (nis_clone_object)
diff --git a/nis/nis_defaults.c b/nis/nis_defaults.c
index f68699a..f135786 100644
--- a/nis/nis_defaults.c
+++ b/nis/nis_defaults.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -395,6 +395,7 @@ __nis_default_owner (char *defaults)
 
   return strdup (default_owner);
 }
+libnsl_hidden_def (__nis_default_owner)
 
 nis_name
 __nis_default_group (char *defaults)
@@ -435,6 +436,7 @@ __nis_default_group (char *defaults)
 
   return strdup (default_group);
 }
+libnsl_hidden_def (__nis_default_group)
 
 uint32_t
 __nis_default_ttl (char *defaults)
@@ -483,3 +485,4 @@ __nis_default_access (char *param, unsigned int defaults)
 
   return result;
 }
+libnsl_hidden_def (__nis_default_access)
diff --git a/nis/nis_domain_of_r.c b/nis/nis_domain_of_r.c
index 167a499..ca298f3 100644
--- a/nis/nis_domain_of_r.c
+++ b/nis/nis_domain_of_r.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -29,7 +29,7 @@ nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen)
 
   if (buffer == NULL)
     {
-      errno = ERANGE;
+      __set_errno (ERANGE);
       return NULL;
     }
 
@@ -44,14 +44,14 @@ nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen)
   cptr_len = strlen (cptr);
 
   if (cptr_len == 0)
-    strcpy (buffer, ".");
-  else if (cptr_len >= buflen)
+    return strcpy (buffer, ".");
+
+  if (__builtin_expect (cptr_len >= buflen, 0))
     {
-      errno = ERANGE;
+      __set_errno (ERANGE);
       return NULL;
     }
-  else
-    memcpy (buffer, cptr, cptr_len + 1);
 
-  return buffer;
+  return memcpy (buffer, cptr, cptr_len + 1);
 }
+libnsl_hidden_proto (nis_domain_of_r)
diff --git a/nis/nis_error.c b/nis/nis_error.c
index 66dda28..147f88c 100644
--- a/nis/nis_error.c
+++ b/nis/nis_error.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -84,6 +84,7 @@ nis_sperrno (const nis_error status)
   else
     return gettext (nis_errlist[status]);
 }
+libnsl_hidden_def (nis_sperrno)
 
 void
 nis_perror (const nis_error status, const char *label)
@@ -115,6 +116,7 @@ nis_sperror_r (const nis_error status, const char *label,
 
     return buffer;
 }
+libnsl_hidden_def (nis_sperror_r)
 
 char *
 nis_sperror (const nis_error status, const char *label)
diff --git a/nis/nis_file.c b/nis/nis_file.c
index c84fb3c..1f22957 100644
--- a/nis/nis_file.c
+++ b/nis/nis_file.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
 
@@ -28,21 +28,17 @@ static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
 directory_obj *
 readColdStartFile (void)
 {
-  XDR xdrs;
-  FILE *in;
-  bool_t status = TRUE;
-  directory_obj *obj;
-
-  in = fopen (cold_start_file, "rb");
+  FILE *in = fopen (cold_start_file, "rc");
   if (in == NULL)
     return NULL;
 
-  obj = calloc (1, sizeof (directory_obj));
+  directory_obj *obj = calloc (1, sizeof (directory_obj));
 
   if (obj != NULL)
     {
+      XDR xdrs;
       xdrstdio_create (&xdrs, in, XDR_DECODE);
-      status = _xdr_directory_obj (&xdrs, obj);
+      bool_t status = _xdr_directory_obj (&xdrs, obj);
       xdr_destroy (&xdrs);
 
       if (!status)
@@ -56,6 +52,7 @@ readColdStartFile (void)
 
   return obj;
 }
+libnsl_hidden_def (readColdStartFile)
 
 bool_t
 writeColdStartFile (const directory_obj *obj)
diff --git a/nis/nis_free.c b/nis/nis_free.c
index 48b8a08..fae9251 100644
--- a/nis/nis_free.c
+++ b/nis/nis_free.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -29,6 +29,7 @@ __free_fdresult (fd_result *res)
       free (res);
     }
 }
+libnsl_hidden_def (__free_fdresult)
 
 void
 nis_free_request (ib_request *ibreq)
@@ -39,6 +40,7 @@ nis_free_request (ib_request *ibreq)
       free (ibreq);
     }
 }
+libnsl_hidden_def (nis_free_request)
 
 void
 nis_free_directory (directory_obj *obj)
@@ -49,6 +51,7 @@ nis_free_directory (directory_obj *obj)
       free (obj);
     }
 }
+libnsl_hidden_def (nis_free_directory)
 
 void
 nis_free_object (nis_object *obj)
@@ -59,6 +62,7 @@ nis_free_object (nis_object *obj)
       free (obj);
     }
 }
+libnsl_hidden_def (nis_free_object)
 
 void
 nis_freeresult (nis_result *res)
@@ -69,3 +73,4 @@ nis_freeresult (nis_result *res)
       free (res);
     }
 }
+libnsl_hidden_def (nis_freeresult)
diff --git a/nis/nis_local_names.c b/nis/nis_local_names.c
index 3fffb6f..30fd208 100644
--- a/nis/nis_local_names.c
+++ b/nis/nis_local_names.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -28,18 +28,12 @@ nis_local_group (void)
 {
   static char __nisgroup[NIS_MAXNAMELEN + 1];
 
-  if (__nisgroup[0] == '\0')
+  char *cptr;
+  if (__nisgroup[0] == '\0'
+      && (cptr = getenv ("NIS_GROUP")) != NULL
+      && strlen (cptr) < NIS_MAXNAMELEN)
     {
-      char *cptr;
-      char *cp;
-
-      if ((cptr = getenv ("NIS_GROUP")) == NULL)
-	return __nisgroup;
-
-      if (strlen (cptr) >= NIS_MAXNAMELEN)
-	return __nisgroup;
-
-      cp = stpcpy (__nisgroup, cptr);
+      char *cp = stpcpy (__nisgroup, cptr);
 
       if (cp[-1] != '.')
 	{
@@ -56,7 +50,7 @@ nis_local_group (void)
 
   return __nisgroup;
 }
-
+libnsl_hidden_def (nis_local_group)
 
 nis_name
 nis_local_directory (void)
@@ -82,6 +76,7 @@ nis_local_directory (void)
 
   return __nisdomainname;
 }
+libnsl_hidden_def (nis_local_directory)
 
 nis_name
 nis_local_principal (void)
@@ -101,6 +96,7 @@ nis_local_principal (void)
 			      uid, nis_local_directory ());
 
 	  if (len >= NIS_MAXNAMELEN - 1)
+	    nobody:
 	    /* XXX The buffer is too small.  Can this happen???  */
 	    return strcpy (__principal, "nobody");
 
@@ -114,7 +110,7 @@ nis_local_principal (void)
 			  FOLLOW_PATH, NULL, NULL);
 
 	  if (res == NULL)
-	    return strcpy (__principal, "nobody");
+	    goto nobody;
 
 	  if (NIS_RES_STATUS (res) == NIS_SUCCESS)
 	    {
@@ -134,17 +130,18 @@ LOCAL entry for UID %d in directory %s not unique\n"),
 	  else
 	    {
 	      nis_freeresult (res);
-	      return strcpy (__principal, "nobody");
+	      goto nobody;
 	    }
 	}
       else
 	return strcpy (__principal, nis_local_host ());
 
       /* Should be never reached */
-      return strcpy (__principal, "nobody");
+      goto nobody;
     }
   return __principal;
 }
+libnsl_hidden_def (nis_local_principal)
 
 nis_name
 nis_local_host (void)
@@ -178,3 +175,4 @@ nis_local_host (void)
 
   return __nishostname;
 }
+libnsl_hidden_def (nis_local_host)
diff --git a/nis/nis_lookup.c b/nis/nis_lookup.c
index 924931c..0b97e67 100644
--- a/nis/nis_lookup.c
+++ b/nis/nis_lookup.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -222,3 +222,4 @@ nis_lookup (const_nis_name name, const unsigned int flags)
 
   return res;
 }
+libnsl_hidden_def (nis_lookup)
diff --git a/nis/nis_modify.c b/nis/nis_modify.c
index 6218fdc..0ec0ec6 100644
--- a/nis/nis_modify.c
+++ b/nis/nis_modify.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -38,7 +38,7 @@ nis_modify (const_nis_name name, const nis_object *obj2)
   if (res == NULL)
     return NULL;
 
-  req.ns_name = (char *)name;
+  req.ns_name = (char *) name;
 
   memcpy (&obj, obj2, sizeof (nis_object));
 
@@ -72,3 +72,4 @@ nis_modify (const_nis_name name, const nis_object *obj2)
 
   return res;
 }
+libnsl_hidden_def (nis_modify)
diff --git a/nis/nis_print.c b/nis/nis_print.c
index 4c5a519..a8d7e8c 100644
--- a/nis/nis_print.c
+++ b/nis/nis_print.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -87,7 +87,7 @@ print_flags (const unsigned int flags)
     }
   else
     {
-      fputs("TEXTUAL DATA", stdout);
+      fputs ("TEXTUAL DATA", stdout);
       if (flags & TA_SEARCHABLE)
 	{
 	  if (flags & TA_CASE)
@@ -156,6 +156,7 @@ nis_print_rights (const unsigned int access)
     }
   fputs (result, stdout);
 }
+libnsl_hidden_def (nis_print_rights)
 
 void
 nis_print_directory (const directory_obj *dir)
@@ -243,6 +244,7 @@ nis_print_directory (const directory_obj *dir)
 	}
     }
 }
+libnsl_hidden_def (nis_print_directory)
 
 void
 nis_print_group (const group_obj *obj)
@@ -257,6 +259,7 @@ nis_print_group (const group_obj *obj)
   for (i = 0; i < obj->gr_members.gr_members_len; i++)
     printf ("\t%s\n", obj->gr_members.gr_members_val[i]);
 }
+libnsl_hidden_def (nis_print_group)
 
 void
 nis_print_table (const table_obj *obj)
@@ -279,6 +282,7 @@ nis_print_table (const table_obj *obj)
       fputc ('\n', stdout);
     }
 }
+libnsl_hidden_def (nis_print_table)
 
 void
 nis_print_link (const link_obj *obj)
@@ -288,6 +292,7 @@ nis_print_link (const link_obj *obj)
   printf (_("Linked to : %s\n"), obj->li_name);
   /* XXX Print the attributs here, if they exists */
 }
+libnsl_hidden_def (nis_print_link)
 
 void
 nis_print_entry (const entry_obj *obj)
@@ -311,6 +316,7 @@ nis_print_entry (const entry_obj *obj)
 		obj->en_cols.en_cols_val[i].ec_value.ec_value_val);
     }
 }
+libnsl_hidden_def (nis_print_entry)
 
 void
 nis_print_object (const nis_object * obj)
@@ -356,6 +362,7 @@ nis_print_object (const nis_object * obj)
       break;
     }
 }
+libnsl_hidden_def (nis_print_object)
 
 void
 nis_print_result (const nis_result *res)
diff --git a/nis/nis_remove.c b/nis/nis_remove.c
index 7ea0e89..3aefcce 100644
--- a/nis/nis_remove.c
+++ b/nis/nis_remove.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -56,3 +56,4 @@ nis_remove (const_nis_name name, const nis_object *obj)
 
   return res;
 }
+libnsl_hidden_def (nis_remove)
diff --git a/nis/nis_subr.c b/nis/nis_subr.c
index 78e58ae..4c4ef8b 100644
--- a/nis/nis_subr.c
+++ b/nis/nis_subr.c
@@ -41,7 +41,7 @@ nis_leaf_of_r (const_nis_name name, char *buffer, size_t buflen)
 
   if (i > buflen - 1)
     {
-      errno = ERANGE;
+      __set_errno (ERANGE);
       return NULL;
     }
 
@@ -49,7 +49,7 @@ nis_leaf_of_r (const_nis_name name, char *buffer, size_t buflen)
     {
       if ((size_t)i >= buflen)
 	{
-	  errno = ERANGE;
+	  __set_errno (ERANGE);
 	  return NULL;
 	}
 
@@ -58,6 +58,7 @@ nis_leaf_of_r (const_nis_name name, char *buffer, size_t buflen)
 
   return buffer;
 }
+libnsl_hidden_def (nis_leaf_of_r)
 
 nis_name
 nis_name_of (const_nis_name name)
@@ -84,7 +85,7 @@ nis_name_of_r (const_nis_name name, char *buffer, size_t buflen)
 
   if ((size_t) diff >= buflen)
     {
-      errno = ERANGE;
+      __set_errno (ERANGE);
       return NULL;
     }
 
@@ -95,14 +96,15 @@ nis_name_of_r (const_nis_name name, char *buffer, size_t buflen)
 
   return buffer;
 }
+libnsl_hidden_def (nis_name_of_r)
 
 static int
 count_dots (const_nis_name str)
 {
   int count = 0;
-  size_t i;
+  size_t l = strlen (str);
 
-  for (i = 0; i < strlen (str); ++i)
+  for (size_t i = 0; i < l; ++i)
     if (str[i] == '.')
       ++count;
 
@@ -252,6 +254,7 @@ nis_getnames (const_nis_name name)
 
   return getnames;
 }
+libnsl_hidden_def (nis_getnames)
 
 void
 nis_freenames (nis_name *names)
@@ -266,6 +269,7 @@ nis_freenames (nis_name *names)
 
   free (names);
 }
+libnsl_hidden_def  (nis_freenames)
 
 name_pos
 nis_dir_cmp (const_nis_name n1, const_nis_name n2)
@@ -303,9 +307,11 @@ nis_dir_cmp (const_nis_name n1, const_nis_name n2)
 
     }
 }
+libnsl_hidden_def (nis_dir_cmp)
 
 void
 nis_destroy_object (nis_object *obj)
 {
   nis_free_object (obj);
 }
+libnsl_hidden_def (nis_destroy_object)
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 746444c..13acdfd 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -476,6 +476,7 @@ nis_list (const_nis_name name, unsigned int flags,
 
   return res;
 }
+libnsl_hidden_def (nis_list)
 
 nis_result *
 nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
diff --git a/nis/nis_util.c b/nis/nis_util.c
index 1220987..9ed8b95 100644
--- a/nis/nis_util.c
+++ b/nis/nis_util.c
@@ -46,7 +46,7 @@ __nis_finddirectory (directory_obj *dir, const_nis_name name)
 
   return fd_res;
 }
-
+libnsl_hidden_def (__nis_finddirectory)
 
 /* The hash implementation is in a separate file.  */
 #include "nis_hash.c"
diff --git a/nis/yp_xdr.c b/nis/yp_xdr.c
index f962c4d..0ee80126 100644
--- a/nis/yp_xdr.c
+++ b/nis/yp_xdr.c
@@ -33,60 +33,53 @@
 bool_t
 xdr_ypstat (XDR *xdrs, ypstat *objp)
 {
-  if (!xdr_enum (xdrs, (enum_t *) objp))
-    return FALSE;
-  return TRUE;
+  return xdr_enum (xdrs, (enum_t *) objp);
 }
+libnsl_hidden_def (xdr_ypstat)
 
 bool_t
 xdr_ypxfrstat (XDR *xdrs, ypxfrstat *objp)
 {
-  if (!xdr_enum (xdrs, (enum_t *) objp))
-      return FALSE;
-  return TRUE;
+  return xdr_enum (xdrs, (enum_t *) objp);
 }
+libnsl_hidden_def (xdr_ypxfrstat)
 
 bool_t
 xdr_domainname (XDR *xdrs, domainname *objp)
 {
-  if (!xdr_string (xdrs, objp, ~0))
-    return FALSE;
-  return TRUE;
+  return xdr_string (xdrs, objp, ~0);
 }
+libnsl_hidden_def (xdr_domainname)
 
 bool_t
 xdr_mapname (XDR *xdrs, mapname *objp)
 {
-  if (!xdr_string (xdrs, objp, ~0))
-    return FALSE;
-  return TRUE;
+  return xdr_string (xdrs, objp, ~0);
 }
+libnsl_hidden_def (xdr_mapname)
 
 bool_t
 xdr_peername (XDR *xdrs, peername *objp)
 {
-  if (!xdr_string (xdrs, objp, ~0))
-    return FALSE;
-  return TRUE;
+  return xdr_string (xdrs, objp, ~0);
 }
+libnsl_hidden_def (xdr_peername)
 
 bool_t
 xdr_keydat (XDR *xdrs, keydat *objp)
 {
-  if (!xdr_bytes (xdrs, (char **) &objp->keydat_val,
-		  (u_int *) &objp->keydat_len, ~0))
-    return FALSE;
-  return TRUE;
+  return xdr_bytes (xdrs, (char **) &objp->keydat_val,
+		    (u_int *) &objp->keydat_len, ~0);
 }
+libnsl_hidden_def (xdr_keydat)
 
 bool_t
 xdr_valdat (XDR *xdrs, valdat *objp)
 {
-  if (!xdr_bytes (xdrs, (char **) &objp->valdat_val,
-		  (u_int *) &objp->valdat_len, ~0))
-    return FALSE;
-  return TRUE;
+  return xdr_bytes (xdrs, (char **) &objp->valdat_val,
+		    (u_int *) &objp->valdat_len, ~0);
 }
+libnsl_hidden_def (xdr_valdat)
 
 bool_t
 xdr_ypmap_parms (XDR *xdrs, ypmap_parms *objp)
@@ -97,10 +90,9 @@ xdr_ypmap_parms (XDR *xdrs, ypmap_parms *objp)
     return FALSE;
   if (!xdr_u_int (xdrs, &objp->ordernum))
     return FALSE;
-  if (!xdr_peername (xdrs, &objp->peer))
-    return FALSE;
-  return TRUE;
+  return xdr_peername (xdrs, &objp->peer);
 }
+libnsl_hidden_def (xdr_ypmap_parms)
 
 bool_t
 xdr_ypreq_key (XDR *xdrs, ypreq_key *objp)
@@ -109,9 +101,7 @@ xdr_ypreq_key (XDR *xdrs, ypreq_key *objp)
     return FALSE;
   if (!xdr_mapname (xdrs, &objp->map))
     return FALSE;
-  if (!xdr_keydat (xdrs, &objp->key))
-    return FALSE;
-  return TRUE;
+  return xdr_keydat (xdrs, &objp->key);
 }
 
 bool_t
@@ -119,9 +109,7 @@ xdr_ypreq_nokey (XDR *xdrs, ypreq_nokey *objp)
 {
   if (!xdr_domainname (xdrs, &objp->domain))
     return FALSE;
-  if (!xdr_mapname (xdrs, &objp->map))
-    return FALSE;
-  return TRUE;
+  return xdr_mapname (xdrs, &objp->map);
 }
 
 bool_t
@@ -133,9 +121,7 @@ xdr_ypreq_xfr (XDR *xdrs, ypreq_xfr *objp)
     return FALSE;
   if (!xdr_u_int (xdrs, &objp->prog))
     return FALSE;
-  if (!xdr_u_int (xdrs, &objp->port))
-    return FALSE;
-  return TRUE;
+  return xdr_u_int (xdrs, &objp->port);
 }
 
 bool_t
@@ -143,9 +129,7 @@ xdr_ypresp_val (XDR *xdrs, ypresp_val *objp)
 {
   if (!xdr_ypstat (xdrs, &objp->stat))
     return FALSE;
-  if (!xdr_valdat (xdrs, &objp->val))
-    return FALSE;
-  return TRUE;
+  return xdr_valdat (xdrs, &objp->val);
 }
 
 bool_t
@@ -155,19 +139,16 @@ xdr_ypresp_key_val (XDR *xdrs, ypresp_key_val *objp)
     return FALSE;
   if (!xdr_valdat (xdrs, &objp->val))
     return FALSE;
-  if (!xdr_keydat (xdrs, &objp->key))
-    return FALSE;
-  return TRUE;
+  return xdr_keydat (xdrs, &objp->key);
 }
+libnsl_hidden_def (xdr_ypresp_key_val)
 
 bool_t
 xdr_ypresp_master (XDR *xdrs, ypresp_master *objp)
 {
   if (!xdr_ypstat (xdrs, &objp->stat))
     return FALSE;
-  if (!xdr_peername (xdrs, &objp->peer))
-    return FALSE;
-  return TRUE;
+  return xdr_peername (xdrs, &objp->peer);
 }
 
 bool_t
@@ -175,9 +156,7 @@ xdr_ypresp_order (XDR *xdrs, ypresp_order *objp)
 {
   if (!xdr_ypstat (xdrs, &objp->stat))
     return FALSE;
-  if (!xdr_u_int (xdrs, &objp->ordernum))
-    return FALSE;
-  return TRUE;
+  return xdr_u_int (xdrs, &objp->ordernum);
 }
 
 bool_t
@@ -188,9 +167,7 @@ xdr_ypresp_all (XDR *xdrs, ypresp_all *objp)
   switch (objp->more)
     {
     case TRUE:
-      if (!xdr_ypresp_key_val (xdrs, &objp->ypresp_all_u.val))
-	return FALSE;
-      break;
+      return xdr_ypresp_key_val (xdrs, &objp->ypresp_all_u.val);
     case FALSE:
       break;
     default:
@@ -198,15 +175,14 @@ xdr_ypresp_all (XDR *xdrs, ypresp_all *objp)
     }
   return TRUE;
 }
+libnsl_hidden_def (xdr_ypresp_all)
 
 bool_t
 xdr_ypresp_xfr (XDR *xdrs, ypresp_xfr *objp)
 {
   if (!xdr_u_int (xdrs, &objp->transid))
     return FALSE;
-  if (!xdr_ypxfrstat (xdrs, &objp->xfrstat))
-    return FALSE;
-  return TRUE;
+  return xdr_ypxfrstat (xdrs, &objp->xfrstat);
 }
 
 bool_t
@@ -214,10 +190,8 @@ xdr_ypmaplist (XDR *xdrs, ypmaplist *objp)
 {
   if (!xdr_mapname (xdrs, &objp->map))
     return FALSE;
-  if (!xdr_pointer (xdrs, (char **) &objp->next, sizeof (ypmaplist),
-		    (xdrproc_t) xdr_ypmaplist))
-    return FALSE;
-  return TRUE;
+  return xdr_pointer (xdrs, (char **) &objp->next, sizeof (ypmaplist),
+		      (xdrproc_t) xdr_ypmaplist);
 }
 
 bool_t
@@ -225,47 +199,40 @@ xdr_ypresp_maplist (XDR *xdrs, ypresp_maplist *objp)
 {
   if (!xdr_ypstat (xdrs, &objp->stat))
     return FALSE;
-  if (!xdr_pointer (xdrs, (char **) &objp->maps, sizeof (ypmaplist),
-		    (xdrproc_t) xdr_ypmaplist))
-    return FALSE;
-  return TRUE;
+  return xdr_pointer (xdrs, (char **) &objp->maps, sizeof (ypmaplist),
+		      (xdrproc_t) xdr_ypmaplist);
 }
 
 bool_t
 xdr_yppush_status (XDR *xdrs, yppush_status *objp)
 {
-  if (!xdr_enum (xdrs, (enum_t *) objp))
-    return FALSE;
-  return TRUE;
+  return xdr_enum (xdrs, (enum_t *) objp);
 }
+libnsl_hidden_def (xdr_yppush_status)
 
 bool_t
 xdr_yppushresp_xfr (XDR *xdrs, yppushresp_xfr *objp)
 {
   if (!xdr_u_int (xdrs, &objp->transid))
     return FALSE;
-  if (!xdr_yppush_status (xdrs, &objp->status))
-    return FALSE;
-  return TRUE;
+  return xdr_yppush_status (xdrs, &objp->status);
 }
 
 bool_t
 xdr_ypbind_resptype (XDR *xdrs, ypbind_resptype *objp)
 {
-  if (!xdr_enum (xdrs, (enum_t *) objp))
-    return FALSE;
-  return TRUE;
+  return xdr_enum (xdrs, (enum_t *) objp);
 }
+libnsl_hidden_def (xdr_ypbind_resptype)
 
 bool_t
 xdr_ypbind_binding (XDR *xdrs, ypbind_binding *objp)
 {
   if (!xdr_opaque (xdrs, objp->ypbind_binding_addr, 4))
     return FALSE;
-  if (!xdr_opaque (xdrs, objp->ypbind_binding_port, 2))
-    return FALSE;
-  return TRUE;
+  return xdr_opaque (xdrs, objp->ypbind_binding_port, 2);
 }
+libnsl_hidden_def (xdr_ypbind_binding)
 
 bool_t
 xdr_ypbind_resp (XDR *xdrs, ypbind_resp *objp)
@@ -275,17 +242,11 @@ xdr_ypbind_resp (XDR *xdrs, ypbind_resp *objp)
   switch (objp->ypbind_status)
     {
     case YPBIND_FAIL_VAL:
-      if (!xdr_u_int (xdrs, &objp->ypbind_resp_u.ypbind_error))
-	return FALSE;
-      break;
+      return xdr_u_int (xdrs, &objp->ypbind_resp_u.ypbind_error);
     case YPBIND_SUCC_VAL:
-      if (!xdr_ypbind_binding (xdrs, &objp->ypbind_resp_u.ypbind_bindinfo))
-	return FALSE;
-      break;
-    default:
-      return FALSE;
+      return xdr_ypbind_binding (xdrs, &objp->ypbind_resp_u.ypbind_bindinfo);
     }
-  return TRUE;
+  return FALSE;
 }
 
 bool_t
@@ -295,9 +256,7 @@ xdr_ypbind_setdom (XDR *xdrs, ypbind_setdom *objp)
     return FALSE;
   if (!xdr_ypbind_binding (xdrs, &objp->ypsetdom_binding))
     return FALSE;
-  if (!xdr_u_int (xdrs, &objp->ypsetdom_vers))
-    return FALSE;
-  return TRUE;
+  return xdr_u_int (xdrs, &objp->ypsetdom_vers);
 }
 
 bool_t
diff --git a/nis/ypclnt.c b/nis/ypclnt.c
index f25c7c7..65b9c55 100644
--- a/nis/ypclnt.c
+++ b/nis/ypclnt.c
@@ -230,6 +230,7 @@ yp_bind (const char *indomain)
 
   return status;
 }
+libnsl_hidden_def (yp_bind)
 
 static void
 yp_unbind_locked (const char *indomain)
@@ -394,6 +395,7 @@ yp_get_default_domain (char **outdomain)
 
   return result;
 }
+libnsl_hidden_def (yp_get_default_domain)
 
 int
 __yp_check (char **domain)
@@ -580,6 +582,7 @@ yp_master (const char *indomain, const char *inmap, char **outname)
 
   return *outname == NULL ? YPERR_YPERR : YPERR_SUCCESS;
 }
+libnsl_hidden_def (yp_master)
 
 int
 yp_order (const char *indomain, const char *inmap, unsigned int *outorder)
@@ -823,36 +826,29 @@ yperr_string (const int error)
   return _("Unknown NIS error code");
 }
 
+static const int8_t yp_2_yperr[] =
+  {
+#define YP2YPERR(yp, yperr)  [YP_##yp - YP_VERS] = YPERR_##yperr
+    YP2YPERR (TRUE, SUCCESS),
+    YP2YPERR (NOMORE, NOMORE),
+    YP2YPERR (FALSE, YPERR),
+    YP2YPERR (NOMAP, MAP),
+    YP2YPERR (NODOM, DOMAIN),
+    YP2YPERR (NOKEY, KEY),
+    YP2YPERR (BADOP, YPERR),
+    YP2YPERR (BADDB, BADDB),
+    YP2YPERR (YPERR, YPERR),
+    YP2YPERR (BADARGS, BADARGS),
+    YP2YPERR (VERS, VERS)
+  };
 int
 ypprot_err (const int code)
 {
-  switch (code)
-    {
-    case YP_TRUE:
-      return YPERR_SUCCESS;
-    case YP_NOMORE:
-      return YPERR_NOMORE;
-    case YP_FALSE:
-      return YPERR_YPERR;
-    case YP_NOMAP:
-      return YPERR_MAP;
-    case YP_NODOM:
-      return YPERR_DOMAIN;
-    case YP_NOKEY:
-      return YPERR_KEY;
-    case YP_BADOP:
-      return YPERR_YPERR;
-    case YP_BADDB:
-      return YPERR_BADDB;
-    case YP_YPERR:
-      return YPERR_YPERR;
-    case YP_BADARGS:
-      return YPERR_BADARGS;
-    case YP_VERS:
-      return YPERR_VERS;
-    }
-  return YPERR_YPERR;
+  if (code < YP_VERS || code > YP_NOKEY)
+    return YPERR_YPERR;
+  return yp_2_yperr[code];
 }
+libnsl_hidden_def (ypprot_err)
 
 const char *
 ypbinderr_string (const int error)
@@ -871,7 +867,7 @@ ypbinderr_string (const int error)
       return _("Unknown ypbind error");
     }
 }
-
+libnsl_hidden_def (ypbinderr_string)
 
 #define WINDOW 60
 
diff --git a/nis/ypupdate_xdr.c b/nis/ypupdate_xdr.c
index e4027b0..4789e47 100644
--- a/nis/ypupdate_xdr.c
+++ b/nis/ypupdate_xdr.c
@@ -36,11 +36,10 @@
 bool_t
 xdr_yp_buf (XDR *xdrs, yp_buf *objp)
 {
-  if (!xdr_bytes (xdrs, (char **) &objp->yp_buf_val,
-		  (u_int *) &objp->yp_buf_len, ~0))
-    return FALSE;
-  return TRUE;
+  return xdr_bytes (xdrs, (char **) &objp->yp_buf_val,
+		    (u_int *) &objp->yp_buf_len, ~0);
 }
+libnsl_hidden_def (xdr_yp_buf)
 
 bool_t
 xdr_ypupdate_args (XDR *xdrs, ypupdate_args *objp)
@@ -49,9 +48,7 @@ xdr_ypupdate_args (XDR *xdrs, ypupdate_args *objp)
     return FALSE;
   if (!xdr_yp_buf (xdrs, &objp->key))
     return FALSE;
-  if (!xdr_yp_buf (xdrs, &objp->datum))
-    return FALSE;
-  return TRUE;
+  return xdr_yp_buf (xdrs, &objp->datum);
 }
 
 bool_t
@@ -59,7 +56,5 @@ xdr_ypdelete_args (XDR *xdrs, ypdelete_args *objp)
 {
   if (!xdr_string (xdrs, &objp->mapname, ~0))
     return FALSE;
-  if (!xdr_yp_buf (xdrs, &objp->key))
-    return FALSE;
-  return TRUE;
+  return xdr_yp_buf (xdrs, &objp->key);
 }