ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ribana-b <ribana-b@42student.malaga.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/04/30 22:59:46 by ribana-b          #+#    #+#             */
/*   Updated: 2023/05/08 02:16:15 by ribana-b         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_substr(char const *s, unsigned int start, size_t bytes)
{
	char	*newstr;
	size_t	cont;

	cont = 0;
	if ((bytes + start > ft_strlen(s)))
	{
		bytes = ft_strlen(s) - start;
	}
	if (start >= ft_strlen(s))
	{
		return (ft_calloc(1, 1));
	}
	newstr = (char *)malloc((bytes + 1) * sizeof(char));
	if (!newstr)
	{
		return (0);
	}
	while (cont < bytes)
	{
		*(newstr + cont) = *(s + start + cont);
		cont++;
	}
	*(newstr + cont) = '\0';
	return (newstr);
}

/* //This is for testing
#include <stdio.h>
#include <string.h>
int	main(void)
{
	char	s1[] = "Hola/muy/buenos/dias";
	printf("%s", ft_substr("hola", 1, 4));
}
 */
/*
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    RRR                  RRR     RRRRR
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*/