ft_strtrim.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strtrim.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mdenys <mdenys@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/11/02 17:58:31 by mdenys            #+#    #+#             */
/*   Updated: 2020/11/03 11:18:41 by mdenys           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strtrim(char const *s1, char const *set)
{
	char	*new;
	int		len;

	len = 0;
	if (!s1 || !set)
		return (NULL);
	while (*s1 && ft_strchr(set, *s1))
		s1++;
	len = ft_strlen((char*)s1);
	while (len && ft_strchr(set, s1[len]))
		len--;
	new = ft_substr((char *)(s1), 0, len + 1);
	return (new);
}