blob: 15991638eca63b664f0d72ca963adb45580873b7 (
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
45
46
47
48
49
50
51
52
53
54
55
56
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ref_ft_atoi_base.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/08 03:20:16 by cacharle #+# #+# */
/* Updated: 2020/04/13 15:00:33 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include <ctype.h>
#include "libasm_test.h"
static
bool valid_base(char *base)
{
if (strlen(base) < 2)
return false;
while (*base)
{
if (isspace(*base) || *base == '+' || *base == '-')
return false;
for (int i = 1; base[i]; i++)
if (base[i] == *base)
return false;
base++;
}
return true;
}
int ref_ft_atoi_base(char *str, char *base)
{
long int nb;
int radix;
bool is_negative;
if (!valid_base(base))
return 0;
while (isspace(*str))
str++;
is_negative = false;
while (*str == '+' || *str == '-')
if (*str++ == '-')
is_negative = !is_negative;
radix = strlen(base);
nb = 0;
while (*str && strchr(base, *str) != NULL)
{
nb *= radix;
nb += strchr(base, *str) - base;
str++;
}
return is_negative ? -nb : nb;
}
|