files dans srcs sans dossier

srcs/ft_itoa.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_itoa.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/11/25 13:59:01 by hulamy            #+#    #+#             */
+/*   Updated: 2019/12/09 21:25:06 by hulamy           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+/*
+**	take an integer and give a string
+*/
+
+/*
+**	#include <libc.h>
+**
+**	char			*ft_itoa(int n);
+**
+**	int	main(int ac, char **av)
+**	{
+**		if (ac == 0)
+**			return (0);
+**		else if (ac == 2)
+**			printf("%s\n",ft_itoa(atoi(av[1])));
+**		else
+**			printf("%s\n",ft_itoa(0));
+**		return 0;
+**	}
+*/
+
+#include "libft.h"
+
+char			*ft_itoa(int n)
+{
+	char		*str;
+	int			len;
+	long int	nbis;
+
+	len = (n < 0) ? 2 : 1;
+	nbis = n;
+	while (nbis /= 10)
+		len++;
+	nbis = n;
+	nbis *= (nbis < 0) ? -1 : 1;
+	if (!(str = (char *)malloc(sizeof(char) * (len + 1))))
+		return (NULL);
+	str[len] = '\0';
+	str[--len] = nbis % 10 + '0';
+	while (nbis /= 10)
+		str[--len] = nbis % 10 + '0';
+	if (n < 0)
+		str[0] = '-';
+	return (str);
+}