75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* $NetBSD: debug.c,v 1.5 2012/01/30 22:49:03 christos Exp $ */
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/*-
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* Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <syslog.h>
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#include <ctype.h>
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#include <sys/socket.h>
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#include "perfused.h"
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#ifdef PERFUSE_DEBUG
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void
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perfused_hexdump(const char *addr, size_t len)
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{
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unsigned int i, j, k;
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for (i = 0; i < len; i += 16) {
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DPRINTF("%p ", &addr[i]);
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for (j = 0; j < 16; j += 4) {
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for (k = 0; k < 4; k++) {
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if (i + j + k < len) {
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DPRINTF("%02x ",
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*(addr + i + j + k) & 0xff);
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} else {
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DPRINTF(" ");
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}
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}
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}
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DPRINTF(" ");
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for (j = 0; j < 16; j++) {
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char c;
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if (i + j < len) {
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c = *(addr + i + j);
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DPRINTF("%c", isprint((int)c) ? c : '.');
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} else {
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DPRINTF(" ");
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}
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}
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DPRINTF("\n");
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}
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return;
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}
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#endif /* PERFUSE_DEBUG */
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