libft/srcs/ft_strtrim.c at main · abdeleb/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strtrim.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: marvin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/19 19:02:37 by marvin            #+#    #+#             */
/*   Updated: 2022/06/20 18:54:40 by aettouha         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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

/*int main()
{
    char a[50];
    char b[50];

    strcpy(a, "holaqholaquetalqhola");
    strcpy(b, "hola");

    printf("Before: %s\n", a);

    printf("After: %s", ft_strtrim(a, b));
}*/