Commit | Line | Data |
---|---|---|
460b9539 | 1 | /* |
2 | * This file is part of DisOrder | |
5aff007d | 3 | * Copyright (C) 2005, 2007, 2008 Richard Kettlewell |
460b9539 | 4 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
132a5a4a RK |
18 | /** @file lib/eventlog.c |
19 | * @brief Event logging | |
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 | ||
31 | static struct eventlog_output *outputs; | |
32 | ||
33 | void eventlog_add(struct eventlog_output *lo) { | |
34 | lo->next = outputs; | |
35 | outputs = lo; | |
36 | } | |
37 | ||
38 | void 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 | ||
47 | static 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 | ||
71 | void 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 | ||
79 | void 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 | /* | |
88 | Local Variables: | |
89 | c-basic-offset:2 | |
90 | comment-column:40 | |
91 | fill-column:79 | |
92 | End: | |
93 | */ |