chiark / gitweb /
Source code reorganization:
[disorder] / lib / eventlog.c
CommitLineData
460b9539 1/*
2 * This file is part of DisOrder
5aff007d 3 * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
20
05b75f8d 21#include "common.h"
460b9539 22
23#include <stdarg.h>
460b9539 24
25#include "mem.h"
26#include "vector.h"
27#include "printf.h"
28#include "eventlog.h"
29#include "split.h"
30
31static struct eventlog_output *outputs;
32
33void eventlog_add(struct eventlog_output *lo) {
34 lo->next = outputs;
35 outputs = lo;
36}
37
38void eventlog_remove(struct eventlog_output *lo) {
39 struct eventlog_output *p, **pp;
40
41 for(pp = &outputs; (p = *pp) && p != lo; pp = &p->next)
42 ;
43 if(p == lo)
44 *pp = lo->next;
45}
46
47static void veventlog(const char *keyword, const char *raw, va_list ap) {
f6033c46 48 struct eventlog_output *p, *pnext;
460b9539 49 struct dynstr d;
50 const char *param;
51
52 dynstr_init(&d);
53 dynstr_append_string(&d, keyword);
54 while((param = va_arg(ap, const char *))) {
55 dynstr_append(&d, ' ');
56 dynstr_append_string(&d, quoteutf8(param));
57 }
58 if(raw) {
59 dynstr_append(&d, ' ');
60 dynstr_append_string(&d, raw);
61 }
62 dynstr_terminate(&d);
f6033c46
RK
63 for(p = outputs; p; p = pnext) {
64 /* We must be able to cope with eventlog_remove() being called from inside
65 * the callback */
cb9a695c 66 pnext = p->next;
460b9539 67 p->fn(d.vec, p->user);
f6033c46 68 }
460b9539 69}
70
71void eventlog_raw(const char *keyword, const char *raw, ...) {
72 va_list ap;
73
74 va_start(ap, raw);
75 veventlog(keyword, raw, ap);
76 va_end(ap);
77}
78
79void eventlog(const char *keyword, ...) {
80 va_list ap;
81
82 va_start(ap, keyword);
83 veventlog(keyword, 0, ap);
84 va_end(ap);
85}
86
87/*
88Local Variables:
89c-basic-offset:2
90comment-column:40
91fill-column:79
92End:
93*/