Adding C-Strings

2026-06-12 08:51:03 +02:00
commit e92a880178
8 changed files with 547 additions and 0 deletions
@@ -0,0 +1,131 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strncmp.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/24 13:44:05 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/25 22:46:55 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int	ft_strncmp(char *s1, char *s2, unsigned int n)
+{
+	unsigned int	i;
+
+	i = 0;
+	if (n == 0)
+		return (0);
+	while ((s1[i] || s2[i]) && s1[i] == s2[i] && i < n - 1)
+		i++;
+	return ((unsigned char)s1[i] - (unsigned char)s2[i]);
+}
+/*
+void	ft_putnbr(int nb)
+{
+	char	value;
+
+	if (nb == -2147483648)
+	{
+		write(1, "-2147483648", 11);
+		return ;
+	}
+	if (nb < 0)
+	{
+		write(1, "-", 1);
+		nb = -nb;
+	}
+	if (nb > 9)
+	{
+		ft_putnbr(nb / 10);
+	}
+	value = nb % 10 + '0';
+	write(1, &value, 1);
+}
+
+void	ft_putchar(char chara)
+{
+	write(1, &chara, 1);
+}
+
+void	ft_putstr(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i])
+	{
+		ft_putchar(str[i]);
+		i++;
+	}
+}
+
+int main(void)
+{
+	char	*s1 = "Lumiere";
+	char	*s2 = "Luminescense";
+	char	*s3 = "Lumi";
+	char	*rdmvar = "Pasteque";
+	char	*nullvar = "NULL";
+	int		val;
+	// Test 1
+	val = 4;
+	write(1, "Test avec s1 (", 14);
+	ft_putstr(s1);
+	write(1, ") et s2 (", 9);
+	ft_putstr(s2);
+	write(1, ") de valeur ", 13);
+	ft_putnbr(val);
+	write(1, ": \n", 3);
+	if (ft_strncmp(s1, s2, val) == 0)
+		write(1, "Test 1 : OK :3", 14);
+	else
+		write(1, "Test 1 : Not OK :(", 18);
+	ft_putchar('\n');
+	// Test 2
+	val = 5;
+	write(1, "Test avec s1 (", 14);
+	ft_putstr(s1);
+	write(1, ") et s2 (", 9);
+	ft_putstr(s2);
+	write(1, ") de valeur ", 13);
+	ft_putnbr(val);
+	write(1, ": \n", 3);
+	if (ft_strncmp(s1, s2, val) == 0)
+		write(1, "Test 2 : OK :3", 14);
+	else
+		write(1, "Test 2 : Not OK :(", 18);
+	ft_putchar('\n');
+	// Test 3
+	val = 3;
+	write(1, "Test avec s1 (", 14);
+	ft_putstr(s1);
+	write(1, ") et s3 (", 9);
+	ft_putstr(s3);
+	write(1, ") de valeur ", 13);
+	ft_putnbr(val);
+	write(1, ": \n", 3);
+	if (ft_strncmp(nullvar, rdmvar, val) == 0)
+		write(1, "Test 3 : OK :3", 14);
+	else
+		write(1, "Test 3 : Not OK :(", 18);
+	ft_putchar('\n');
+	// Test 4
+	val = 3;
+	write(1, "Test avec NULLVAR (", 19);
+	ft_putstr(nullvar);
+	write(1, ") et rdmvar (", 13);
+	ft_putstr(rdmvar);
+	write(1, ") de valeur ", 13);
+	ft_putnbr(val);
+	write(1, ": \n", 3);
+	if (ft_strncmp(nullvar, rdmvar, val) == 0)
+		write(1, "Test 4 : OK :3", 14);
+	else
+		write(1, "Test 4 : Not OK :(", 18);
+	ft_putchar('\n');
+	return (0);
+}*/