89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_ltoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: aortigos <aortigos@student.42malaga.com +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/09/22 20:46:43 by aortigos #+# #+# */
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/* Updated: 2025/12/09 20:01:45 by aortigos ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static size_t len_sl(long long nl)
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{
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size_t len;
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len = 0;
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if (nl <= 0)
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len++;
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while (nl != 0)
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{
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len++;
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nl /= 10;
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}
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return (len);
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}
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char *ft_sltoa(long long nl)
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{
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char *str;
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size_t len;
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len = len_sl(nl);
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str = (char *)malloc(sizeof(char) * (len + 1));
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if (!str)
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return (NULL);
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if (nl < 0)
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{
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str[0] = '-';
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nl *= -1;
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}
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str[len] = 0;
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str[--len] = (nl % 10) + '0';
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nl /= 10;
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while (nl != 0 && len--)
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{
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str[len] = (nl % 10) + '0';
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nl /= 10;
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}
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return (str);
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}
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static size_t len_ul(unsigned long long un)
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{
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size_t len;
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len = 0;
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if (un == 0)
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len++;
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while (un != 0)
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{
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len++;
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un /= 10;
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}
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return (len);
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}
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char *ft_ultoa(unsigned long long un)
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{
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char *str;
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size_t len;
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len = len_ul(un);
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str = (char *)malloc(sizeof(char) * (len + 1));
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if (!str)
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return (NULL);
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str[len] = 0;
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str[--len] = (un % 10) + '0';
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un /= 10;
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while (un != 0 && len--)
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{
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str[len] = (un % 10) + '0';
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un /= 10;
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}
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return (str);
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}
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