59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: o_ :::::: ::: */
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/* ft_itoa.c :+: / :+::+: :+: */
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/* +:+ > +:++:+ +:+ */
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/* By: whaffman <whaffman@student.codam.nl> +#+ +:+ +#++#++:++#++ */
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/* +#+ +#+#+ +#++#+ +#+ \o/ */
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/* Created: 2024/10/10 17:00:17 by whaffman #+#+# #+#+# #+# #+# | */
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/* Updated: 2024/10/10 17:00:17 by whaffman ### ### ### ### / \ */
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/* */
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/* ************************************************************************** */
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#include <stdlib.h>
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#include "libft.h"
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static char *itoa_stralloc(int n)
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{
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int i;
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i = 0;
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if (n <= 0)
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i++;
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while (n)
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{
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i++;
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n /= 10;
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}
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return (ft_calloc((i + 1), sizeof(char)));
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}
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char *ft_itoa(int n)
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{
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int i;
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long ln;
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long divider;
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char *result;
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result = itoa_stralloc(n);
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if (!result)
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return (NULL);
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ln = n;
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i = 0;
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divider = 1;
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if (ln < 0)
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{
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ln *= -1;
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result[i++] = '-';
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}
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while (divider * 10 <= ln)
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divider *= 10;
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while (divider)
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{
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result[i++] = ln / divider + '0';
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ln %= divider;
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divider /= 10;
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}
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return (result);
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}
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