mdw@git.distorted.org.uk Git - disorder/blob - lib/eventlog.h

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
   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 3 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,
  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  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /** @file lib/eventlog.h
  19  * @brief Event logging
  20  */
  21 #ifndef EVENTLOG_H
  22 #define EVENTLOG_H
  23
  24 /** @brief An output for the event log
  25  *
  26  * The caller must allocate these (since log.c isn't allowed to perform memory
  27  * allocation).  They form a linked list, using eventlog_add() and
  28  * eventlog_remove().
  29  */
  30 struct eventlog_output {
  31   /** @brief Next output */
  32   struct eventlog_output *next;
  33
  34   /** @brief Handler for this output */
  35   void (*fn)(const char *msg, void *user);
  36
  37   /** @brief Passed to @ref fn */
  38   void *user;
  39 };
  40
  41 /** @brief Add an event log output
  42  * @param lo Pointer to output to add
  43  */
  44 void eventlog_add(struct eventlog_output *lo);
  45
  46 /** @brief Remove an event log output
  47  * @param lo Pointer to output to remove
  48  */
  49 void eventlog_remove(struct eventlog_output *lo);
  50
  51 /** @brief Send a message to the event log
  52  * @param keyword Distinguishing keyword for event
  53  * @param ... Extra data, terminated by (char *)0
  54  */
  55 void eventlog(const char *keyword, ...);
  56
  57 /** @brief Send a message to the event log
  58  * @param keyword Distinguishing keyword for event
  59  * @param raw Unformatted data
  60  * @param ... Extra data, terminated by (char *)0
  61  */
  62 void eventlog_raw(const char *keyword, const char *raw, ...);
  63
  64 #endif /* EVENTLOG_H */
  65
  66 /*
  67 Local Variables:
  68 c-basic-offset:2
  69 comment-column:40
  70 fill-column:79
  71 End:
  72 */