* nis/nis_call.c (nis_server_cache_search): Save errno around stat

call.
	(__nisfind_server): Similar for open readColdStartFile call.
	Patch partially by Jim Meyering.
	* nss/nss_files/files-XXX.c (_nss_files_getXXent_r): Save errno
	around internal_setent call.

ChangeLog

@@ -1,5 +1,12 @@
 2008-03-24  Ulrich Drepper  <drepper@redhat.com>
 
+	* nis/nis_call.c (nis_server_cache_search): Save errno around stat
+	call.
+	(__nisfind_server): Similar for open readColdStartFile call.
+	Patch partially by Jim Meyering.
+	* nss/nss_files/files-XXX.c (_nss_files_getXXent_r): Save errno
+	around internal_setent call.
+
 	* po/vi.po: New Vietnamese translation.
 
 	* sysdeps/unix/sysv/linux/adjtime.c: Correctly use

nis/nis_call.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2001, 2004, 2005, 2006, 2007
+/* Copyright (C) 1997, 1998, 2001, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -592,8 +592,10 @@ nis_server_cache_search (const_nis_name name, int search_parent,
   XDR xdrs;
   struct stat64 st;
 
+  int saved_errno = errno;
   if (stat64 ("/var/nis/NIS_COLD_START", &st) < 0)
     st.st_mtime = nis_cold_start_mtime + 1;
+  __set_errno (saved_errno);
 
   __libc_lock_lock (nis_server_cache_lock);
 
@@ -741,7 +743,9 @@ __nisfind_server (const_nis_name name, int search_parent,
       return result;
     }
 
+  int saved_errno = errno;
   *dir = readColdStartFile ();
+  __set_errno (saved_errno);
   if (*dir == NULL)
     /* No /var/nis/NIS_COLD_START->no NIS+ installed.  */
     return NIS_UNAVAIL;

nss/nss_files/files-XXX.c

@@ -1,5 +1,6 @@
 /* Common code for file-based databases in nss_files module.
-   Copyright (C) 1996-1999,2001,2002,2004,2007 Free Software Foundation, Inc.
+   Copyright (C) 1996-1999,2001,2002,2004,2007,2008
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -254,8 +255,12 @@ CONCAT(_nss_files_get,ENTNAME_r) (struct STRUCTURE *result, char *buffer,
   /* Be prepared that the set*ent function was not called before.  */
   if (stream == NULL)
     {
+      int save_errno = errno;
+
       status = internal_setent (0);
 
+      __set_errno (errno);
+
       if (status == NSS_STATUS_SUCCESS && fgetpos (stream, &position) < 0)
 	{
 	  fclose (stream);