correction memcpy pour le cas ou dst et src sont nuls

srcs/ft_memalloc.c

@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memalloc.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/11/19 15:21:44 by hulamy            #+#    #+#             */
+/*   Updated: 2019/11/19 15:23:17 by hulamy           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+/*
+** allocate size byte of memory and return a pointer to the allocated memory
+*/
+
+#include "libft.h"
+
+void	*ft_memalloc(size_t size)
+{
+	void	*tmp;
+
+	if (!size || !(tmp = malloc(size)))
+		return (NULL);
+	ft_bzero(tmp, size);
+	return (tmp);
+}