libft/convert/ft_itoa.c

58 lines
1.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/09 13:56:30 by rparodi #+# #+# */
/* Updated: 2024/10/31 13:02:55 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static size_t ft_check_sign(char *str, long *nb)
{
if ((*nb) == 0)
str[0] = '0';
if ((*nb) < 0)
{
str[0] = '-';
*nb = -*nb;
return (1);
}
return (0);
}
/**
* @brief Converts integer to string
*
* @param n the integer that will be converted
* @return The string with this integer
*/
char *ft_itoa(int n)
{
size_t i;
size_t modulus;
short int maiboyerlpb;
char str[13];
long nb;
nb = n;
maiboyerlpb = 0;
modulus = 1000000000;
ft_bzero(str, 13);
i = ft_check_sign(str, &nb);
while (modulus != 0)
{
if (nb / modulus != 0 || maiboyerlpb != 0)
{
str[i++] = (nb / modulus) + 48;
maiboyerlpb++;
}
nb %= modulus;
modulus /= 10;
}
return (ft_strdup(str));
}