/*
Libft Copyright (C) 2026 yctct

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#include "libft.h"

char	*ft_strtrim(char const *s1, char const *set)
{
	int		i;
	char	*ptr;
	int		start;
	int		end;
	int		slen;

	i = 0;
	while (s1[i] && ft_strchr(set, s1[i]))
		i++;
	start = i;
	slen = ft_strlen(s1);
	i = 0;
	while (s1[slen - i - 1] && ft_strchr(set, s1[slen - i - 1]))
		i++;
	end = i;
	ptr = ft_substr(s1, start, (slen - start - end));
	return (ptr);
}
/*
#include <stdio.h>

int	main(void)
{
		printf("%s\n", ft_strtrim("   xxxtripouille", " x"));
		printf("%s\n", ft_strtrim("tripouille   xxx", " x"));
		printf("%s\n", ft_strtrim("   xxxtripouille   xxx", " x"));
		printf("%s\n", ft_strtrim("   xxx   xxx", " x"));
		printf("%s\n", ft_strtrim("", "123"));
		printf("%s\n", ft_strtrim("123", ""));
		printf("%s\n", ft_strtrim("", ""));
		printf("%s\n", ft_strtrim("abcdba", "acb"));
		return (0);
}

#include <stdio.h>

int	main(void)
{
	char	s1[] = "lorem \n ipsum \t dolor \n sit \t amet";
	char	s2[] = "lorem ipsum dolor sit amet \n \t ";
	char	s3[] = " \n \t lorem ipsum dolor sit amet";
	char	s4[] = "  \n  \t  lorem \n ipsum \t dolor \n sit \t amet  \t \n ";
	char	s5[] = "          ";

		char    set [] = "\t \n";
	printf("%s\n", ft_strtrim(s1, set));
	printf("\n");
	printf("%s\n", ft_strtrim(s2, set));
	printf("\n");
	printf("%s\n", ft_strtrim(s3, set));
	printf("\n");
	printf("%s\n", ft_strtrim(s4, set));
	printf("\n");
	printf("%s\n", ft_strtrim(s5, set));
	printf("\n");
		return (0);
}

int	main(void)
{
	char const	s1[]= "asasHello, World.asas";
	char const	s2[]= "asasasHello, World.asasasasas";
	char const	s3[]= "abcabcabcabcHelloabc, World.abcabcabc";
	char const	set1[]= "as";
	char const	set1bis[]= "as";
	char const	set3[]= "abc";
	printf("%s\n", ft_strtrim(s1, set1));
	printf("%s\n", ft_strtrim(s2, set1bis));
	printf("%s\n", ft_strtrim(s3, set3));
}
*/