/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mcolonna <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/10/03 11:17:12 by mcolonna          #+#    #+#             */
/*   Updated: 2023/10/09 13:27:30 by mcolonna         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

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

char	*ft_substr(char const *s, unsigned int start, size_t len)
{
	char	*dest;
	size_t	s_len;
	size_t	dest_len;
	size_t	i;

	s_len = ft_strlen(s);
	if (s_len < start)
		dest_len = 0;
	else if (s_len < start + len)
		dest_len = s_len - start;
	else
		dest_len = len;
	dest = malloc((dest_len + 1) * sizeof(char));
	if (!dest)
		return (NULL);
	i = 0;
	while (i < dest_len)
	{
		dest[i] = s[start + i];
		i++;
	}
	dest[i] = '\0';
	return (dest);
}