/*  $NetBSD: debug.c,v 1.5 2012/01/30 22:49:03 christos Exp $ */

/*-
*  Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved.
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions
*  are met:
*  1. Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*  2. Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in the
*     documentation and/or other materials provided with the distribution.
*
*  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
*  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
*  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
*  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
*  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
*  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
*  POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <syslog.h>
#include <ctype.h>
#include <sys/socket.h>

#include "perfused.h"

#ifdef PERFUSE_DEBUG
void
perfused_hexdump(const char *addr, size_t len)
{
       unsigned int i, j, k;

       for (i = 0; i < len; i += 16) {
               DPRINTF("%p  ", &addr[i]);
               for (j = 0; j < 16; j += 4) {
                       for (k = 0; k < 4; k++) {
                               if (i + j + k < len) {
                                       DPRINTF("%02x ",
                                              *(addr + i + j + k) & 0xff);
                               } else {
                                       DPRINTF("   ");
                               }
                       }
               }

               DPRINTF("  ");
               for (j = 0; j < 16; j++) {
                       char c;

                       if (i + j < len) {
                               c = *(addr + i + j);
                               DPRINTF("%c", isprint((int)c) ? c : '.');
                       } else {
                               DPRINTF(" ");
                       }
               }
               DPRINTF("\n");
       }

       return;
}



#endif /* PERFUSE_DEBUG */