fix memcmp, add different*, change directory structure

Author: mjy9088

src/compare/mem_different.c

@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   fake_file_name (file name is useless too)          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: 42header-remover <whatever@example.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 1970/01/01 00:00:00 by VCS handles       #+#    #+#             */
+/*   Updated: 1970/01/01 00:00:00 by file history     ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <ft/memory.h>
+
+void	*ft_mem_different(void *s1, void *s2, size_t size)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < size)
+	{
+		if (*((unsigned char *) s1 + i) != *((unsigned char *) s2 + i))
+			return (s1);
+		i++;
+	}
+	return (NULL);
+}

src/compare/mem_different_index.c

@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   fake_file_name (file name is useless too)          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: 42header-remover <whatever@example.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 1970/01/01 00:00:00 by VCS handles       #+#    #+#             */
+/*   Updated: 1970/01/01 00:00:00 by file history     ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <ft/memory.h>
+
+size_t	ft_mem_different_index(void *s1, void *s2, size_t size)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < size)
+	{
+		if (*((unsigned char *) s1 + i) != *((unsigned char *) s2 + i))
+			return (i);
+		i++;
+	}
+	return (size);
+}

src/compare/mem_different_index_reverse.c

@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   fake_file_name (file name is useless too)          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: 42header-remover <whatever@example.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 1970/01/01 00:00:00 by VCS handles       #+#    #+#             */
+/*   Updated: 1970/01/01 00:00:00 by file history     ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <ft/memory.h>
+
+size_t	ft_mem_different_index_reverse(void *s1, void *s2, size_t size)
+{
+	size_t	i;
+
+	i = size;
+	while (i--)
+		if (*((unsigned char *) s1 + i) != *((unsigned char *) s2 + i))
+			return (i);
+	return (size);
+}

src/compare/mem_different_reverse.c

@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   fake_file_name (file name is useless too)          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: 42header-remover <whatever@example.com>    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 1970/01/01 00:00:00 by VCS handles       #+#    #+#             */
+/*   Updated: 1970/01/01 00:00:00 by file history     ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <ft/memory.h>
+
+void	*ft_mem_different_reverse(void *s1, void *s2, size_t size)
+{
+	size_t	i;
+
+	i = size;
+	while (i--)
+		if (*((unsigned char *) s1 + i) != *((unsigned char *) s2 + i))
+			return (s1);
+	return (NULL);
+}

src/memcmp.c src/compare/memcmp.csrc/memcmp.c renamed to src/compare/memcmp.c

@@ -19,9 +19,9 @@ int	ft_memcmp(void *s1, void *s2, size_t size)
 	i = 0;
 	while (i < size)
 	{
-		if ((unsigned char *) s1 > (unsigned char *) s2)
+		if (*((unsigned char *) s1 + i) > *((unsigned char *) s2 + i))
 			return (1);
-		if ((unsigned char *) s1 < (unsigned char *) s2)
+		if (*((unsigned char *) s1 + i) < *((unsigned char *) s2 + i))
 			return (-1);
 		i++;
 	}