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/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2008-2009 Collabora Ltd.
* Contact: Youness Alaoui
* (C) 2007 Nokia Corporation. All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Youness Alaoui, Collabora Ltd.
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "debug.h"
static int debug_enabled = 0;
void stun_debug_enable (void) {
debug_enabled = 1;
}
void stun_debug_disable (void) {
debug_enabled = 0;
}
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
#define GNUC_PRINTF(format_idx, arg_idx) \
__attribute__((__format__ (__printf__, format_idx, arg_idx)))
#else
#define GNUC_PRINTF( format_idx, arg_idx)
#endif
static void
default_handler (const char *format, va_list ap) GNUC_PRINTF (1, 0);
static void
default_handler (const char *format, va_list ap)
{
vfprintf (stderr, format, ap);
fprintf (stderr, "\n");
}
static StunDebugHandler handler = default_handler;
void stun_debug (const char *fmt, ...)
{
va_list ap;
if (debug_enabled) {
va_start (ap, fmt);
handler (fmt, ap);
va_end (ap);
}
}
void stun_debug_bytes (const char *prefix, const void *data, size_t len)
{
size_t i;
size_t prefix_len = strlen (prefix);
char *bytes;
char *j;
unsigned char k;
const char *hex = "0123456789abcdef";
if (!debug_enabled)
return;
bytes = malloc (prefix_len + 2 + (len * 2) + 1);
bytes[0] = 0;
strcpy (bytes, prefix);
strcpy (bytes + prefix_len, "0x");
j = bytes + prefix_len + 2;
for (i = 0; i < len; i++) {
k = ((const unsigned char *)data)[i];
j[0] = hex[(k & 0xf0) >> 4];
j[1] = hex[k & 0xf];
j = j + 2;
}
j[0] = 0;
stun_debug ("%s", bytes);
free (bytes);
}
void stun_set_debug_handler (StunDebugHandler _handler)
{
if (_handler == NULL)
_handler = default_handler;
handler = _handler;
}
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