stun/debug.c

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