/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_nrealloc.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: joelecle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:06:43 by joelecle          #+#    #+#             */
/*   Updated: 2020/02/14 17:06:43 by joelecle         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

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

void
	*ft_nrealloc(void *ptr, size_t oldsize, size_t newsize)
{
	void *nptr;

	if (!ptr)
	{
		if (!(ptr = malloc(newsize)))
			return (NULL);
		return (ptr);
	}
	else if (!newsize)
	{
		free(ptr);
		return (NULL);
	}
	if (!(nptr = malloc(newsize)))
		return (ptr);
	ft_memcpy(nptr, ptr, oldsize);
	free(ptr);
	return (nptr);
}