1  /* ************************************************************************** */
 2  /*                                                                            */
 3  /*                                                        :::      ::::::::   */
 4  /*   ft_itoa.c                                          :+:      :+:    :+:   */
 5  /*                                                    +:+ +:+         +:+     */
 6  /*   By: ll-hotel <ll-hotel@student.42lyon.fr>      +#+  +:+       +#+        */
 7  /*                                                +#+#+#+#+#+   +#+           */
 8  /*   Created: 2023/11/08 10:20:09 by ll-hotel          #+#    #+#             */
 9  /*   Updated: 2024/08/20 17:48:42 by ll-hotel         ###   ########.fr       */
10  /*                                                                            */
11  /* ************************************************************************** */
12  
13  #include "ft_basics.h"
14  #include "ft_math.h"
15  
16  char	*ft_itoa(int n)
17  {
18  	const _Bool	is_negative = (n < 0);
19  	long		tmp;
20  	char		*val;
21  	short		len;
22  	short		i;
23  
24  	len = ft_log_b(n, 10) + 1;
25  	val = ft_calloc(len + 1 + is_negative, sizeof(char));
26  	if (!val)
27  		return (0);
28  	i = len + is_negative;
29  	tmp = n * (!is_negative - is_negative);
30  	while (i-- > is_negative)
31  	{
32  		val[i] = tmp % 10 + '0';
33  		tmp /= 10;
34  	}
35  	if (n < 0)
36  		val[0] = '-';
37  	return (val);
38  }