ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: oelbouha <oelbouha@student.1337.ma>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/09/30 18:22:27 by oelbouha          #+#    #+#             */
/*   Updated: 2022/10/14 18:26:28 by oelbouha         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	if (!s)
		return (NULL);
	s_len = ft_strlen(s);
	if (start >= s_len)
	{
		sub_str = malloc(1);
		sub_str[0] = '\0';
		return (sub_str);
	}
	sub_str = malloc (len + 1);
	if (!sub_str)
		return (NULL);
	i = 0;
	while (i < len)
	{
		sub_str[i] = s[start];
		start++;
		i++;
	}
	sub_str[i] = '\0';
	return (sub_str);
}