chiark / gitweb /
Various minor cleanups.
[tripe] / common / util.c
CommitLineData
410c8acf 1/* -*-c-*-
2 *
410c8acf 3 * Utilities for the client and the server
4 *
5 * (c) 2001 Straylight/Edgeware
6 */
7
e04c2d50 8/*----- Licensing notice --------------------------------------------------*
410c8acf 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.
e04c2d50 16 *
410c8acf 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.
e04c2d50 21 *
410c8acf 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
410c8acf 27/*----- Header files ------------------------------------------------------*/
28
29#include <errno.h>
30#include <stdio.h>
31#include <stdlib.h>
32#include <string.h>
33
0ed0735f
MW
34#include <mLib/dstr.h>
35
410c8acf 36#include "util.h"
37
410c8acf 38/*----- Main code ---------------------------------------------------------*/
39
0ed0735f
MW
40/* --- @u_quotify@ --- *
41 *
42 * Arguments: @dstr *d@ = where to write the answer
43 * @const char *p@ = string to quotify
44 *
45 * Returns: ---
46 *
47 * Use: Quotes the given string if necessary, according to our
48 * quoting rules.
49 */
50
51void u_quotify(dstr *d, const char *p)
52{
53 if (d->len)
54 dstr_putc(d, ' ');
55 if (*p && !p[strcspn(p, "\"' \t\n\v")])
56 dstr_puts(d, p);
57 else {
58 dstr_putc(d, '\"');
59 while (*p) {
60 if (*p == '\\' || *p == '\"')
61 dstr_putc(d, '\\');
62 dstr_putc(d, *p++);
63 }
64 dstr_putc(d, '\"');
65 }
66}
67
410c8acf 68/*----- That's all, folks -------------------------------------------------*/