54 lines
1.4 KiB
C
54 lines
1.4 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: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/10/04 17:12:52 by erey-bet #+# #+# */
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/* Updated: 2022/10/10 22:15:30 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static void ft_itoa_bis(char *str, int len, int i, long nl)
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{
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while (len > 1)
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{
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len--;
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str[i] = (nl / ft_power(10, len) % 10) + 48;
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i++;
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}
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str[i] = nl % 10 + 48;
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i++;
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str[i] = '\0';
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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 len;
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int i;
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long nl;
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nl = n;
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nl *= (n > 0) - (n < 0);
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len = ft_get_size(nl);
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i = 0;
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if (n < 0)
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{
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str = malloc(len + 2);
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if (str == NULL)
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return (NULL);
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str[i] = '-';
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i++;
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}
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else
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str = malloc(len + 1);
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if (str == NULL)
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return (NULL);
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ft_itoa_bis(str, len, i, nl);
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return (str);
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}
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