-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_atoi.c
42 lines (38 loc) · 1.37 KB
/
ft_atoi.c
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
/* ************************************************************************** */
/* */
/* :::::::: */
/* ft_atoi.c :+: :+: */
/* +:+ */
/* By: jaberkro <[email protected]> +#+ */
/* +#+ */
/* Created: 2021/10/22 19:32:16 by jaberkro #+# #+# */
/* Updated: 2022/01/04 18:33:16 by Jorien ######## odam.nl */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_atoi(const char *str)
{
int sign;
int out;
int counter;
sign = 1;
out = 0;
counter = 0;
while (ft_isspace(str[counter]))
counter++;
if (str[counter] == '-' || str[counter] == '+')
{
if (str[counter] == '-')
sign = -1;
counter++;
}
while (ft_isdigit(str[counter]))
{
out = out * 10 + str[counter] - 48;
counter++;
}
return (out * sign);
}
/* The atoi() function converts the initial portion of the string pointed to
by str to int representation.
*/