b76e12595f13ebb2cdfa6c7386b032bdc777e526
[tripe] / common / util.h
1 /* -*-c-*-
2 *
3 * Utilities for the client and the server
4 *
5 * (c) 2001 Straylight/Edgeware
6 */
7
8 /*----- Licensing notice --------------------------------------------------*
9 *
10 * This file is part of Trivial IP Encryption (TrIPE).
11 *
12 * TrIPE is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * TrIPE is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with TrIPE; if not, write to the Free Software Foundation,
24 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 */
26
27 #ifndef UTIL_H
28 #define UTIL_H
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 /*----- Functions provided ------------------------------------------------*/
35
36 /* --- @u_quotify@ --- *
37 *
38 * Arguments: @dstr *d@ = where to write the answer
39 * @const char *p@ = string to quotify
40 *
41 * Returns: ---
42 *
43 * Use: Quotes the given string if necessary, according to our
44 * quoting rules.
45 */
46
47 extern void u_quotify(dstr */*d*/, const char */*p*/);
48
49 /* --- @u_detach@ --- *
50 *
51 * Arguments: ---
52 *
53 * Returns: ---
54 *
55 * Use: Detaches from the current terminal and ensures it can never
56 * acquire a new one. Calls @fork@.
57 */
58
59 extern void u_detach(void);
60
61 /* --- @u_daemon@ --- *
62 *
63 * Arguments: ---
64 *
65 * Returns: Zero if OK, nonzero on failure.
66 *
67 * Use: Becomes a daemon.
68 */
69
70 extern int u_daemon(void);
71
72 /*----- That's all, folks -------------------------------------------------*/
73
74 #ifdef __cplusplus
75 }
76 #endif
77
78 #endif