libft/src/ft_substr.c


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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: joelecle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:07:15 by joelecle          #+#    #+#             */
/*   Updated: 2020/02/14 17:07:15 by joelecle         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

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

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

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