ft_memcmp()

ft_memcmp_test.c

@@ -0,0 +1,107 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memcmp_test.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lalgarra <lalgarra@student.42madrid.com>   +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/10/06 20:05:02 by lalgarra          #+#    #+#             */
+/*   Updated: 2025/10/06 20:12:26 by lalgarra         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+#include <stdio.h>
+#include <string.h>
+
+static void	test(char *prefix, char str1[], char str2[], size_t size)
+{
+	int	res;
+	int	fd;
+
+	fd = STDOUT_FILENO;
+	ft_putstr_fd(prefix, fd);
+	ft_putstr_fd("size:[", fd);
+	ft_putnbr_fd((int) size, fd);
+	ft_putstr_fd("], str1:[", fd);
+	ft_putstr_fd(str1, fd);
+	ft_putstr_fd("], str2:[", fd);
+	ft_putstr_fd(str2, fd);
+	res = ft_memcmp(str2, str1, size);
+	ft_putstr_fd("], result:[", fd);
+	ft_putnbr_fd(res, fd);
+	ft_putendl_fd("]", fd);
+}
+
+static void	zero(char src[], char dest[])
+{
+	bzero(src, 128);
+	bzero(dest, 128);
+}
+
+static void	do_test1(char *prefix, char src[], char dest[])
+{
+	size_t	size;
+
+	size = 10;
+	zero(src, dest);
+	memcpy(dest, "Lorem ipsum dolor sit amet consectetur adipiscing elit.", 5);
+	memcpy(src, " ipsum dolor sit amet consectetur adipiscing elit.", 4);
+	test(prefix, src, dest, size);
+}
+
+static void	do_test2(char *prefix, char src[], char dest[])
+{
+	size_t	size;
+
+	zero(src, dest);
+	size = 10;
+	memcpy(dest, "L\x06rem ipsum dolor sit amet consectetur adipiscing elit.",
+		5);
+	memcpy(src, " ipsum dolor sit amet consectetur adipiscing elit.", 5);
+	test(prefix, src, dest, size);
+}
+
+static void	do_test3(char *prefix, char src[], char dest[])
+{
+	size_t	size;
+
+	zero(src, dest);
+	size = 5;
+	test(prefix, src, dest, size);
+}
+
+static void	do_test4(char *prefix, char src[], char dest[])
+{
+	size_t	size;
+
+	zero(src, dest);
+	size = 0;
+	memcpy(dest, "Lorem ipsum dolor sit amet consectetur adipiscing elit.",
+		8);
+	test(prefix, src, dest, size);
+}
+
+static void	do_test5(char *prefix, char src[], char dest[])
+{
+	size_t	size;
+
+	zero(src, dest);
+	size = 4;
+	memcpy(dest, "\xff\xaa\xde\x12", 5);
+	memcpy(src, "\xff\xaa\xde\x12XABC", 5);
+	test(prefix, src, dest, size);
+}
+
+int	main(void)
+{
+	char	src[128];
+	char	dest[128];
+
+	do_test1("test 1: ", src, dest);
+	do_test2("test 2: ", src, dest);
+	do_test3("test 3: ", src, dest);
+	do_test4("test 4: ", src, dest);
+	do_test5("test 5: ", src, dest);
+	return (0);
+}