4b8ceaeb |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: ypstuff.c,v 1.1 1998/04/23 13:29:33 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 | /*----- Revision history --------------------------------------------------* |
30 | * |
31 | * $Log: ypstuff.c,v $ |
32 | * Revision 1.1 1998/04/23 13:29:33 mdw |
33 | * New interface to YP server. Only bind once, and never unbind. |
34 | * Introduced because Linux libc-5.4.33's YP interface dumps core in |
35 | * yp_unbind for no particularly good reason. |
36 | * |
37 | */ |
38 | |
39 | /*----- Header files ------------------------------------------------------*/ |
40 | |
41 | /* --- ANSI headers --- */ |
42 | |
43 | #include <errno.h> |
44 | #include <stdio.h> |
45 | #include <stdlib.h> |
46 | #include <string.h> |
47 | |
48 | /* --- Local headers --- */ |
49 | |
50 | #include "config.h" |
51 | #include "ypstuff.h" |
52 | |
53 | /*----- Global variables --------------------------------------------------*/ |
54 | |
55 | char *yp_domain; |
56 | static int ypstuff__tried; |
57 | |
58 | /*----- Main code ---------------------------------------------------------*/ |
59 | |
60 | #ifdef HAVE_YP |
61 | |
62 | /* --- @ypstuff_bind@ --- * |
63 | * |
64 | * Arguments: --- |
65 | * |
66 | * Returns: --- |
67 | * |
68 | * Use: Attempts to bind to a YP server, just once. If it fails, |
69 | * @yp_domain@ will be null; otherwise it's a pointer to the |
70 | * default YP domain name. |
71 | */ |
72 | |
73 | void ypstuff_bind(void) |
74 | { |
75 | char *dom; |
76 | |
77 | if (ypstuff__tried) |
78 | return; |
79 | ypstuff__tried = 1; |
80 | if (yp_get_default_domain(&dom) || yp_bind(dom)) |
81 | return; |
82 | yp_domain = dom; |
83 | } |
84 | |
85 | #endif |
86 | |
87 | /*----- That's all, folks -------------------------------------------------*/ |