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
66
67
68
69
70
|
/* a surprising useful little program! (tridge@samba.org) */
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <ctype.h>
static char escape[14] = {'0',0,0,0,0,0,0,'a','b','t','n','v','f','r'};
static void print_binary(unsigned long long v)
{
unsigned long long bit;
if (v == 0ULL)
printf(" 0b0");
else
printf(" 0b");
for (bit = 1ULL<<63; bit; bit>>=1)
if (v >= bit)
printf("%c", (v & bit) ? '1' : '0');
}
static unsigned long long convert_binary(const char *s)
{
unsigned long long v = 0;
for (; *s; s++) {
v <<= 1;
if (*s == '1')
v |= 1;
}
return v;
}
static void print_one(unsigned long long v)
{
printf("%llu 0x%llX 0%llo", v, v, v);
print_binary(v);
if (v < 256) {
if (isprint(v))
printf(" '%c'", (unsigned char)v);
else if (v < 14 && escape[v] != 0)
printf(" '\\%c'", escape[v]);
}
printf("\n");
}
int main(int argc,char *argv[])
{
int i;
char *p;
unsigned long long v;
for(i = 1; i < argc; i++) {
if (strncasecmp(argv[i],"0b",2) == 0) {
v = convert_binary(argv[i]+2);
p = NULL;
} else
v = strtoull(argv[i],&p,0);
if (p == argv[i])
for(;*p;p++)
print_one(*(unsigned char *)p);
else
print_one(v);
}
return EXIT_SUCCESS;
}
|
