1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* $OpenBSD: hexdump.c,v 1.1 2019/11/28 00:17:13 bluhm Exp $ */
/*
* Copyright (c) 2019 Alexander Bluhm <bluhm@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include "stand.h"
void
hexdump(const void *addr, size_t size)
{
const unsigned char *line, *end;
int byte;
end = (const char *)addr + size;
for (line = addr; line < end; line += 16) {
printf("%08lx ", line);
for (byte = 0; byte < 16; byte++) {
if (&line[byte] < end)
printf("%02x ", line[byte]);
else
printf(" ");
if (byte == 7)
printf(" ");
}
printf(" |");
for (byte = 0; byte < 16; byte++) {
if (&line[byte] < end) {
if (line[byte] >= ' ' && line[byte] <= '~')
printf("%c", line[byte]);
else
printf(".");
} else
break;
}
printf("|\n");
}
printf("%08lx\n", end);
}
|
