ft_strtrim.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strtrim.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mmita <mmita@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/19 16:13:35 by mmita             #+#    #+#             */
/*   Updated: 2022/11/21 13:39:16 by mmita            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

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

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