65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: madumerg <madumerg@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/06 11:14:32 by madumerg #+# #+# */
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/* Updated: 2023/11/08 10:22:00 by madumerg ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int ft_len(int n)
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{
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int cpt;
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unsigned int nb;
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cpt = 0;
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if (n < 0)
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{
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cpt++;
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nb = -n;
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}
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else
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nb = n;
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while (nb >= 10)
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{
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nb /= 10;
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cpt++;
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}
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cpt++;
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return (cpt);
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}
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char *ft_itoa(int n)
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{
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char *str;
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int cpt;
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long long int nb;
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int i;
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i = 0;
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nb = n;
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cpt = ft_len(n);
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str = ft_calloc((cpt + 1), sizeof(char));
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if (!str)
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return (NULL);
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if (n < 0)
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{
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str[0] = '-';
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i = 1;
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nb *= -1;
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}
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cpt--;
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while (cpt >= i)
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{
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str[cpt] = (nb % 10) + '0';
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nb /= 10;
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cpt--;
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}
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return (str);
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}
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