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ft_itoa.c
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ft_itoa.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: yabenman <yabenman@student.1337.ma> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/15 20:04:54 by yabenman #+# #+# */
/* Updated: 2024/08/28 18:56:18 by yabenman ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_numlen(int nb)
{
int len;
len = 0;
if (nb <= 0)
len++;
while (nb)
{
len++;
nb = nb / 10;
}
return (len);
}
char *ft_itoa(int n)
{
int lenth;
char *str;
long nb;
lenth = ft_numlen(n);
str = malloc(sizeof(char) * lenth + 1);
nb = n;
if (!str)
return (NULL);
else if (nb < 0)
{
str[0] = '-';
nb = -nb;
}
if (nb == 0)
str[0] = '0';
str[lenth--] = '\0';
while (nb)
{
str[lenth] = nb % 10 + 48;
nb = nb / 10;
lenth--;
}
return (str);
}
/*
int main()
{
char *i1 = ft_itoa(-623);
char *i2 = ft_itoa(156);
char *i3 = ft_itoa(-0);
printf ("%d\n", strcmp(i1,"-623"));
printf ("%d\n", strcmp(i2,"156"));
printf ("%d\n", strcmp(i3,"0"));
}
*/