66 lines
1.5 KiB
C
66 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: aortigos <aortigos@student.42malaga.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/10/22 15:48:26 by aortigos #+# #+# */
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/* Updated: 2023/10/22 16:08:41 by aortigos ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static char *ft_array(char *x, unsigned int number, long int len)
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{
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while (number > 0)
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{
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x[len--] = 48 + (number % 10);
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number = number / 10;
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}
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return (x);
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}
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static long int ft_len(int n)
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{
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int len;
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len = 0;
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if (n <= 0)
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len = 1;
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while (n != 0)
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{
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len++;
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n = n / 10;
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}
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return (len);
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}
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char *ft_itoa(int n)
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{
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char *x;
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long int len;
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unsigned int number;
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int sign;
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sign = 1;
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len = ft_len(n);
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x = (char *)malloc(sizeof(char) * (len + 1));
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if (!(x))
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return (NULL);
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x[len--] = '\0';
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if (n == 0)
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x[0] = '0';
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if (n < 0)
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{
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sign *= -1;
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number = n * -1;
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x[0] = '-';
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}
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else
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number = n;
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x = ft_array(x, number, len);
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return (x);
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}
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