62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: grobledo <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/19 19:32:47 by grobledo #+# #+# */
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/* Updated: 2023/02/19 19:32:48 by grobledo ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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int countsize(int nb)
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{
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long int temp;
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int size;
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size = 0;
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temp = nb;
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if (nb < 0)
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{
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temp = -nb;
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size = size +1;
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}
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while (temp > 9)
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{
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temp = (temp / 10);
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size++;
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}
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size++;
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return (size);
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}
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char *ft_itoa(int nb)
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{
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long int temp;
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char *res;
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int size;
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if (nb == -2147483648)
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return (ft_strdup("-2147483648"));
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temp = nb;
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size = countsize(nb);
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res = ft_calloc(size + 1, sizeof (char));
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if (!res)
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return (NULL);
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if (nb < 0)
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{
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res[0] = '-';
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temp *= -1;
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}
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if (nb == 0)
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res[0] = '0';
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while (temp > 0)
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{
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res[size - 1] = (temp % 10 + 48);
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size--;
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temp /= 10;
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}
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return (res);
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}
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