/* ************************************************************************** */
/*                                                                            */
/*                                                  :::  o_   ::::::    :::   */
/*   ft_strtrim.c                                  :+:  /    :+::+:    :+:    */
/*                                                +:+   >   +:++:+    +:+     */
/*   By: whaffman <whaffman@student.codam.nl>    +#+  +:+  +#++#++:++#++      */
/*                                              +#+ +#+#+ +#++#+    +#+ \o/   */
/*   Created: 2024/10/10 17:00:32 by whaffman   #+#+# #+#+# #+#    #+#   |    */
/*   Updated: 2024/10/10 17:00:32 by whaffman   ###   ###  ###    ###   / \   */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strtrim(char const *s1, char const *set)
{
	char	*front;
	char	*back;

	if (!s1)
		return (NULL);
	if (!ft_strlen(set))
		return (ft_strdup(s1));
	front = (char *) s1;
	back = (char *) s1;
	while (*back)
		back++;
	back--;
	while (ft_strchr(set, *front))
		front++;
	while (ft_strchr(set, *back))
		back--;
	return (ft_substr(s1, front - s1, back - front + 1));
}