ft_strtrim.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strtrim.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: edi-marc <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/01/21 16:09:44 by edi-marc          #+#    #+#             */
/*   Updated: 2021/01/31 13:23:31 by edi-marc         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strtrim(char const *s1, char const *set)
{
	char	*p;
	size_t	i;

	p = NULL;
	if (s1 && set)
	{
		while (*s1 && ft_strchr(set, *s1))
			s1++;
		i = ft_strlen(s1);
		while (i && ft_strchr(set, s1[i]))
			i--;
		p = ft_substr(s1, 0, i + 1);
	}
	return (p);
}