stun/debug.c

   1 /*
   2  * This file is part of the Nice GLib ICE library.
   3  *
   4  * (C) 2008-2009 Collabora Ltd.
   5  *  Contact: Youness Alaoui
   6  * (C) 2007 Nokia Corporation. All rights reserved.
   7  *
   8  * The contents of this file are subject to the Mozilla Public License Version
   9  * 1.1 (the "License"); you may not use this file except in compliance with
  10  * the License. You may obtain a copy of the License at
  11  * http://www.mozilla.org/MPL/
  12  *
  13  * Software distributed under the License is distributed on an "AS IS" basis,
  14  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  15  * for the specific language governing rights and limitations under the
  16  * License.
  17  *
  18  * The Original Code is the Nice GLib ICE library.
  19  *
  20  * The Initial Developers of the Original Code are Collabora Ltd and Nokia
  21  * Corporation. All Rights Reserved.
  22  *
  23  * Contributors:
  24  *   Youness Alaoui, Collabora Ltd.
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of the
  27  * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
  28  * case the provisions of LGPL are applicable instead of those above. If you
  29  * wish to allow use of your version of this file only under the terms of the
  30  * LGPL and not to allow others to use your version of this file under the
  31  * MPL, indicate your decision by deleting the provisions above and replace
  32  * them with the notice and other provisions required by the LGPL. If you do
  33  * not delete the provisions above, a recipient may use your version of this
  34  * file under either the MPL or the LGPL.
  35  */
  36
  37 #ifdef HAVE_CONFIG_H
  38 # include <config.h>
  39 #endif
  40
  41 #include <string.h>
  42 #include <stdlib.h>
  43 #include <stdio.h>
  44 #include <stdarg.h>
  45
  46 #include "debug.h"
  47
  48
  49 static int debug_enabled = 1;
  50
  51 void stun_debug_enable (void) {
  52   debug_enabled = 1;
  53 }
  54 void stun_debug_disable (void) {
  55   debug_enabled = 0;
  56 }
  57
  58 void stun_debug (const char *fmt, ...)
  59 {
  60   va_list ap;
  61   if (debug_enabled) {
  62     va_start (ap, fmt);
  63     vfprintf (stderr, fmt, ap);
  64     va_end (ap);
  65   }
  66 }
  67
  68 void stun_debug_bytes (const void *data, size_t len)
  69 {
  70   size_t i;
  71
  72   stun_debug ("0x");
  73   for (i = 0; i < len; i++)
  74     stun_debug ("%02x", ((const unsigned char *)data)[i]);
  75 }
  76