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
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* radare - advanced commandline hexadecimal editor
* Copyright (C) 2006,2007 pancake <pancake@youterm.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include "hexdump.h"
char getprintablechar(char a)
{
if (a>=' '&&a<='~')
return a;
return '.';
}
int is_printable (int c)
{
if (c<' '||c>'~') return 0;
return 1;
}
/*
* Helper function
*/
void dump_bytes(unsigned char *buf, int len)
{
int i,j,seek = 0;
int inc = 16;
for(i=0; i<len; i+=inc) {
fprintf(stderr, "0x%08x | ", seek+i);
for(j=i;j<i+inc;j++) {
if (j>=len) {
fprintf(stderr, " ");
continue;
}
fprintf(stderr, "%02x ", buf[j]);
}
fprintf(stderr, " ");
for(j=i; j<i+inc; j++) {
if (j >= len)
fprintf(stderr, " ");
else
if ( is_printable(buf[j]) )
fprintf(stderr, "%c", buf[j]);
else fprintf(stderr, ".");
}
fprintf(stderr, "\n");
}
fflush(stderr);
}
|
