ajout de l'effacement selectif lors de l'opti, pas ouf ouf

libft/src/str/ft_strtrim.c

@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strtrim.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2018/11/14 21:20:09 by hulamy            #+#    #+#             */
+/*   Updated: 2019/03/25 15:12:04 by hulamy           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+/*
+** create a copy of s without the firsts and lasts empty characters
+*/
+
+#include "libft.h"
+
+char		*ft_strtrim(char const *s)
+{
+	int		len;
+	char	*str;
+
+	if (!s)
+		return (NULL);
+	while (*s == ' ' || *s == '\t' || *s == '\n')
+		s++;
+	len = ft_strlen(s) - 1;
+	while (len >= 0 && (s[len] == ' ' || s[len] == '\t' || s[len] == '\n'))
+		len--;
+	len++;
+	if (!(str = ft_strsub(s, 0, len)))
+		return (NULL);
+	return (str);
+}