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
71
72
73
74
75
76
77
78
79
80
81
|
#include <stddef.h>
#include "strings.h"
void uint32_to_dec(uint32_t number, char buf[10])
{
for (int i = 0; i < 10; i++)
{
buf[10 - 1 - i] = '0' + (number % 10);
number /= 10;
}
}
void uint32_to_hex(uint32_t number, char buf[8])
{
for (int i = 0; i < 8; i++)
{
unsigned char quadbit = (number >> ((8 - i - 1) * 4)) & 0xf;
buf[i] = quadbit > 9 ? quadbit - 10 + 'a' : quadbit + '0';
}
}
void uint32_to_bin(uint32_t number, char buf[32])
{
for (int i = 0; i < 32; i++)
buf[i] = ((number >> (32 - i - 1)) & 1) ? '1' : '0';
}
void uint32_to_decstring(uint32_t number, char buf[11])
{
uint32_to_dec(number, buf);
buf[10] = '\0';
}
void uint32_to_hexstring(uint32_t number, char buf[9])
{
uint32_to_hex(number, buf);
buf[8] = '\0';
}
void uint32_to_binstring(uint32_t number, char buf[33])
{
uint32_to_bin(number, buf);
buf[32] = '\0';
}
void trim_0s(char string[])
{
size_t i;
for (i = 0; string[i] == '0'; i++);
size_t j = 0;
if (!string[i])
string[j++] = string[--i];
do
string[j] = string[i + j];
while (string[j++]);
}
void uint32_to_decstringt(uint32_t number, char buf[11])
{
uint32_to_decstring(number, buf);
trim_0s(buf);
}
void uint32_to_hexstringt(uint32_t number, char buf[9])
{
uint32_to_hexstring(number, buf);
trim_0s(buf);
}
size_t strlen(char string[])
{
size_t len;
for (len = 0; string[len]; len++);
return len;
}
|
