Libft aortigos

ft_memmove.c

@@ -0,0 +1,42 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memmove.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42malaga.com>   +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/09/20 21:18:07 by aortigos          #+#    #+#             */
+/*   Updated: 2023/09/20 21:18:58 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_memmove(void *dst, const void *src, size_t num)
+{
+	unsigned char		*x;
+	const unsigned char	*y;
+
+	x = ((unsigned char *)dst);
+	y = ((const unsigned char *)src);
+	if (x != y)
+	{
+		if (x > y)
+		{
+			y = y + num - 1;
+			x = x + num - 1;
+			while (num > 0)
+			{
+				*x = *y;
+				x--;
+				y--;
+				num--;
+			}
+		}
+		else
+		{
+			dst = ft_memcpy(x, y, num);
+		}
+	}
+	return (dst);
+}