Mandatory finished

libft/ft_memmove.c

@@ -0,0 +1,34 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memmove.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/11/05 13:17:42 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/11/09 20:15:29 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static void	*ft_rev_memcpy(void *dest, const void *src, size_t n)
+{
+	if ((!dest && !src) || n == 0)
+		return (dest);
+	n--;
+	while (n > 0)
+	{
+		((unsigned char *) dest)[n] = ((unsigned char *) src)[n];
+		n--;
+	}
+	((unsigned char *) dest)[n] = ((unsigned char *) src)[n];
+	return (dest);
+}
+
+void	*ft_memmove(void *dest, const void *src, size_t n)
+{
+	if (dest < src)
+		return (ft_memcpy(dest, src, n));
+	return (ft_rev_memcpy(dest, src, n));
+}