1 /* $NetBSD: debug.c,v 1.5 2012/01/30 22:49:03 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #include <stdio.h> 28 #include <errno.h> 29 #include <string.h> 30 #include <syslog.h> 31 #include <ctype.h> 32 #include <sys/socket.h> 33 34 #include "perfused.h" 35 36 #ifdef PERFUSE_DEBUG 37 void 38 perfused_hexdump(const char *addr, size_t len) 39 { 40 unsigned int i, j, k; 41 42 for (i = 0; i < len; i += 16) { 43 DPRINTF("%p ", &addr[i]); 44 for (j = 0; j < 16; j += 4) { 45 for (k = 0; k < 4; k++) { 46 if (i + j + k < len) { 47 DPRINTF("%02x ", 48 *(addr + i + j + k) & 0xff); 49 } else { 50 DPRINTF(" "); 51 } 52 } 53 } 54 55 DPRINTF(" "); 56 for (j = 0; j < 16; j++) { 57 char c; 58 59 if (i + j < len) { 60 c = *(addr + i + j); 61 DPRINTF("%c", isprint((int)c) ? c : '.'); 62 } else { 63 DPRINTF(" "); 64 } 65 } 66 DPRINTF("\n"); 67 } 68 69 return; 70 } 71 72 73 74 #endif /* PERFUSE_DEBUG */ 75