ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rel-fila <rel-fila@student.1337.ma>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/16 14:36:30 by rel-fila          #+#    #+#             */
/*   Updated: 2022/10/19 11:00:40 by rel-fila         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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