1 /* IOLog.c - IOMultiplexer v2
2 * Copyright (C) 2014 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #define _IOHandler_internals
18 #include "IOInternal.h"
19 #include "IOHandler.h"
26 struct iolog_callback_entry {
27 iolog_callback *callback;
28 struct iolog_callback_entry *next;
30 static struct iolog_callback_entry *iolog_callbacks = NULL;
38 void iolog_trigger(enum IOLogType type, char *text, ...) {
40 char logBuf[MAXLOG+1];
43 va_start(arg_list, text);
44 pos = vsnprintf(logBuf, MAXLOG - 1, text, arg_list);
46 if (pos < 0 || pos > (MAXLOG - 1)) pos = MAXLOG - 1;
50 struct iolog_callback_entry *callback;
51 for(callback = iolog_callbacks; callback; callback = callback->next)
52 callback->callback(type, logBuf);
55 void iolog_register_callback(iolog_callback *callback) {
56 struct iolog_callback_entry *logcb = malloc(sizeof(*logcb));
58 iolog_trigger(IOLOG_ERROR, "Failed to allocate memory for iolog_callback_entry in %s:%d", __FILE__, __LINE__);
61 logcb->callback = callback;
62 logcb->next = iolog_callbacks;
63 iolog_callbacks = logcb;