nobug.c

   1 /*
   2     nobug.c - a small debugging library
   3
   4   Copyright (C) 2007, Christian Thaeter <ct@pipapo.org>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License version 2 as
   8   published by the Free Software Foundation.
   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, contact me.
  17
  18 */
  19
  20 #include <pthread.h>
  21
  22 #define NOBUG_LIBNOBUG_C
  23 #include "nobug.h"
  24
  25 struct nobug_ringbuffer nobug_default_ringbuffer;
  26 FILE* nobug_default_file = NULL;
  27
  28 struct nobug_flag nobug_flag_NOBUG_ON =
  29 {NULL, {LOG_DEBUG, LOG_DEBUG, LOG_DEBUG, LOG_DEBUG, LOG_DEBUG}, NULL,NULL,NULL};
  30
  31 static int nobug_initialized = 0;
  32
  33
  34 /*
  35   default initialization
  36 */
  37 void
  38 nobug_init()
  39 {
  40   if (nobug_initialized)
  41     return;
  42
  43   nobug_initialized = 1;
  44
  45 #if NOBUG_USE_PTHREAD
  46   pthread_key_create (&nobug_thread_id_key, free);
  47 #endif
  48
  49   /* we initialize a minimal ringbuffer, if not already done */
  50   if (!nobug_default_ringbuffer.start)
  51     nobug_ringbuffer_init (&nobug_default_ringbuffer, 4096, NULL, NOBUG_RINGBUFFER_DEFAULT);
  52
  53   /* initialize the always-on flag*/
  54   nobug_flag_NOBUG_ON.ringbuffer_target = &nobug_default_ringbuffer;
  55   nobug_flag_NOBUG_ON.console_target = stderr;
  56   nobug_flag_NOBUG_ON.file_target = nobug_default_file;
  57 }