blob: fde9645b5811d2138d86cc9238ec13899db090bd (
plain)
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
|
#include <types.h>
#include <libk/string.h>
size_t strlen(const char* s)
{
char *p = (char*)s;
while (*p) p++;
return (size_t)(p - s);
}
uint64_t stoi(const char *s)
{
uint64_t num = 0;
size_t n = strlen(s);
for (size_t i = 0; i < n; i++) {
num *= 10;
num += (uint64_t)(s[i] - '0');
}
return num;
}
void strrev(char *s)
{
size_t n = strlen(s);
char a[100];
for (size_t i = 0; i < n; i++) {
a[i] = s[n - 1 - i];
}
for (size_t i = 0; i < n; i++) {
s[i] = a[i];
}
}
void itos(uint64_t num, char* s)
{
size_t i;
for (i = 0; num; num/=10, i++) {
s[i] = (char)('0' + num%10);
}
s[i] = '\0';
strrev(s);
}
|