mdw@git.distorted.org.uk Git - become/blob - src/ypstuff.c

   1 /* -*-c-*-
   2  *
   3  * $Id: ypstuff.c,v 1.2 2004/04/08 01:36:20 mdw Exp $
   4  *
   5  * YP support functions
   6  *
   7  * (c) 1998 EBI
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of `become'
  13  *
  14  * `Become' is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * `Become' is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with `become'; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Header files ------------------------------------------------------*/
  30
  31 /* --- ANSI headers --- */
  32
  33 #include <errno.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 /* --- Local headers --- */
  39
  40 #include "config.h"
  41 #include "ypstuff.h"
  42
  43 /*----- Global variables --------------------------------------------------*/
  44
  45 char *yp_domain;
  46 static int ypstuff__tried;
  47
  48 /*----- Main code ---------------------------------------------------------*/
  49
  50 #ifdef HAVE_YP
  51
  52 /* --- @ypstuff_bind@ --- *
  53  *
  54  * Arguments:   ---
  55  *
  56  * Returns:     ---
  57  *
  58  * Use:         Attempts to bind to a YP server, just once.  If it fails,
  59  *              @yp_domain@ will be null; otherwise it's a pointer to the
  60  *              default YP domain name.
  61  */
  62
  63 void ypstuff_bind(void)
  64 {
  65   char *dom;
  66
  67   if (ypstuff__tried)
  68     return;
  69   ypstuff__tried = 1;
  70   if (yp_get_default_domain(&dom) || yp_bind(dom))
  71     return;
  72   yp_domain = dom;
  73 }
  74
  75 #endif
  76
  77 /*----- That's all, folks -------------------------------------------------*/