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