Libft aortigos

2025-11-15 09:18:35 +01:00
commit c87ab67280
45 changed files with 1439 additions and 0 deletions
--- a/ft_itoa.c
+++ b/ft_itoa.c
@@ -0,0 +1,65 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_itoa.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com>   +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/10/22 15:48:26 by aortigos          #+#    #+#             */
+/*   Updated: 2023/10/22 16:08:41 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static char	*ft_array(char *x, unsigned int number, long int len)
+{
+	while (number > 0)
+	{
+		x[len--] = 48 + (number % 10);
+		number = number / 10;
+	}
+	return (x);
+}
+
+static long int	ft_len(int n)
+{
+	int	len;
+
+	len = 0;
+	if (n <= 0)
+		len = 1;
+	while (n != 0)
+	{
+		len++;
+		n = n / 10;
+	}
+	return (len);
+}
+
+char	*ft_itoa(int n)
+{
+	char			*x;
+	long int		len;
+	unsigned int	number;
+	int				sign;
+
+	sign = 1;
+	len = ft_len(n);
+	x = (char *)malloc(sizeof(char) * (len + 1));
+	if (!(x))
+		return (NULL);
+	x[len--] = '\0';
+	if (n == 0)
+		x[0] = '0';
+	if (n < 0)
+	{
+		sign *= -1;
+		number = n * -1;
+		x[0] = '-';
+	}
+	else
+		number = n;
+	x = ft_array(x, number, len);
+	return (x);
+}