1*59d65d31SAndy Fiddaman /*-
2*59d65d31SAndy Fiddaman * SPDX-License-Identifier: BSD-3-Clause
3*59d65d31SAndy Fiddaman *
4*59d65d31SAndy Fiddaman * Copyright (c) 1986, 1988, 1991, 1993
5*59d65d31SAndy Fiddaman * The Regents of the University of California. All rights reserved.
6*59d65d31SAndy Fiddaman * (c) UNIX System Laboratories, Inc.
7*59d65d31SAndy Fiddaman * All or some portions of this file are derived from material licensed
8*59d65d31SAndy Fiddaman * to the University of California by American Telephone and Telegraph
9*59d65d31SAndy Fiddaman * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10*59d65d31SAndy Fiddaman * the permission of UNIX System Laboratories, Inc.
11*59d65d31SAndy Fiddaman *
12*59d65d31SAndy Fiddaman * Redistribution and use in source and binary forms, with or without
13*59d65d31SAndy Fiddaman * modification, are permitted provided that the following conditions
14*59d65d31SAndy Fiddaman * are met:
15*59d65d31SAndy Fiddaman * 1. Redistributions of source code must retain the above copyright
16*59d65d31SAndy Fiddaman * notice, this list of conditions and the following disclaimer.
17*59d65d31SAndy Fiddaman * 2. Redistributions in binary form must reproduce the above copyright
18*59d65d31SAndy Fiddaman * notice, this list of conditions and the following disclaimer in the
19*59d65d31SAndy Fiddaman * documentation and/or other materials provided with the distribution.
20*59d65d31SAndy Fiddaman * 3. Neither the name of the University nor the names of its contributors
21*59d65d31SAndy Fiddaman * may be used to endorse or promote products derived from this software
22*59d65d31SAndy Fiddaman * without specific prior written permission.
23*59d65d31SAndy Fiddaman *
24*59d65d31SAndy Fiddaman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25*59d65d31SAndy Fiddaman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26*59d65d31SAndy Fiddaman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27*59d65d31SAndy Fiddaman * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28*59d65d31SAndy Fiddaman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29*59d65d31SAndy Fiddaman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30*59d65d31SAndy Fiddaman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31*59d65d31SAndy Fiddaman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32*59d65d31SAndy Fiddaman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33*59d65d31SAndy Fiddaman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34*59d65d31SAndy Fiddaman * SUCH DAMAGE.
35*59d65d31SAndy Fiddaman *
36*59d65d31SAndy Fiddaman * @(#)subr_prf.c 8.3 (Berkeley) 1/21/94
37*59d65d31SAndy Fiddaman */
38*59d65d31SAndy Fiddaman
39*59d65d31SAndy Fiddaman #include <sys/cdefs.h>
40*59d65d31SAndy Fiddaman
41*59d65d31SAndy Fiddaman #include <sys/types.h>
42*59d65d31SAndy Fiddaman #include <stdio.h>
43*59d65d31SAndy Fiddaman #include "hexdump.h"
44*59d65d31SAndy Fiddaman
45*59d65d31SAndy Fiddaman void
hexdump(const void * ptr,int length,const char * hdr,int flags)46*59d65d31SAndy Fiddaman hexdump(const void *ptr, int length, const char *hdr, int flags)
47*59d65d31SAndy Fiddaman {
48*59d65d31SAndy Fiddaman int i, j, k;
49*59d65d31SAndy Fiddaman int cols;
50*59d65d31SAndy Fiddaman const unsigned char *cp;
51*59d65d31SAndy Fiddaman char delim;
52*59d65d31SAndy Fiddaman
53*59d65d31SAndy Fiddaman if ((flags & HD_DELIM_MASK) != 0)
54*59d65d31SAndy Fiddaman delim = (flags & HD_DELIM_MASK) >> 8;
55*59d65d31SAndy Fiddaman else
56*59d65d31SAndy Fiddaman delim = ' ';
57*59d65d31SAndy Fiddaman
58*59d65d31SAndy Fiddaman if ((flags & HD_COLUMN_MASK) != 0)
59*59d65d31SAndy Fiddaman cols = flags & HD_COLUMN_MASK;
60*59d65d31SAndy Fiddaman else
61*59d65d31SAndy Fiddaman cols = 16;
62*59d65d31SAndy Fiddaman
63*59d65d31SAndy Fiddaman cp = ptr;
64*59d65d31SAndy Fiddaman for (i = 0; i < length; i += cols) {
65*59d65d31SAndy Fiddaman if (hdr != NULL)
66*59d65d31SAndy Fiddaman printf("%s", hdr);
67*59d65d31SAndy Fiddaman
68*59d65d31SAndy Fiddaman if ((flags & HD_OMIT_COUNT) == 0)
69*59d65d31SAndy Fiddaman printf("%04x ", i);
70*59d65d31SAndy Fiddaman
71*59d65d31SAndy Fiddaman if ((flags & HD_OMIT_HEX) == 0) {
72*59d65d31SAndy Fiddaman for (j = 0; j < cols; j++) {
73*59d65d31SAndy Fiddaman k = i + j;
74*59d65d31SAndy Fiddaman if (k < length)
75*59d65d31SAndy Fiddaman printf("%c%02x", delim, cp[k]);
76*59d65d31SAndy Fiddaman else
77*59d65d31SAndy Fiddaman printf(" ");
78*59d65d31SAndy Fiddaman }
79*59d65d31SAndy Fiddaman }
80*59d65d31SAndy Fiddaman
81*59d65d31SAndy Fiddaman if ((flags & HD_OMIT_CHARS) == 0) {
82*59d65d31SAndy Fiddaman printf(" |");
83*59d65d31SAndy Fiddaman for (j = 0; j < cols; j++) {
84*59d65d31SAndy Fiddaman k = i + j;
85*59d65d31SAndy Fiddaman if (k >= length)
86*59d65d31SAndy Fiddaman printf(" ");
87*59d65d31SAndy Fiddaman else if (cp[k] >= ' ' && cp[k] <= '~')
88*59d65d31SAndy Fiddaman printf("%c", cp[k]);
89*59d65d31SAndy Fiddaman else
90*59d65d31SAndy Fiddaman printf(".");
91*59d65d31SAndy Fiddaman }
92*59d65d31SAndy Fiddaman printf("|");
93*59d65d31SAndy Fiddaman }
94*59d65d31SAndy Fiddaman printf("\n");
95*59d65d31SAndy Fiddaman }
96*59d65d31SAndy Fiddaman }
97