end of mandatory functions

ft_strjoin.c

@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strjoin.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/11/06 13:52:21 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/11/06 13:56:29 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strjoin(char const *s1, char const *s2)
+{
+	char	*str;
+	int		i;
+	int		j;
+
+	str = malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
+	if (!str)
+		return (NULL);
+	i = 0;
+	j = 0;
+	while (s1[i])
+	{
+		str[i] = s1[i];
+		i++;
+	}
+	while (s2[j])
+	{
+		str[i + j] = s2[j];
+		j++;
+	}
+	str[i + j] = '\0';
+	return (str);
+}