61 lines
1.5 KiB
C
Executable File
61 lines
1.5 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/01 02:36:12 by tomoron #+# #+# */
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/* Updated: 2023/11/02 10:16:45 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int get_number_len(long int n)
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{
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int res;
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res = 1;
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if (n < 0)
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{
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res++;
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n *= -1;
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}
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while (n > 9)
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{
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res++;
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n /= 10;
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}
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return (res);
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}
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char *ft_itoa(int n)
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{
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char *res;
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int nb_len;
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int i;
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long int temp_nb;
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temp_nb = (long int)n;
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nb_len = get_number_len(n);
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res = malloc((nb_len + 1) * sizeof(char));
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if (!res)
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return (res);
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i = 0;
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if (temp_nb < 0)
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{
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res[0] = '-';
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temp_nb *= -1;
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}
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while (temp_nb > 9)
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{
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res[nb_len - i - 1] = (temp_nb % 10) + '0';
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temp_nb /= 10;
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i++;
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}
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res[nb_len - i - 1] = temp_nb + '0';
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res[nb_len] = 0;
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return (res);
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}
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