1 files changed, 40 insertions, 0 deletions
diff --git a/libft/ft_strjoin.c b/libft/ft_strjoin.c
new file mode 100644
index 0000000..30447d1
--- /dev/null
+++ b/libft/ft_strjoin.c
@@ -0,0 +1,40 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strjoin.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kdx    <kdx   @student.42angouleme.fr      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/28 07:29:30 by kdx               #+#    #+#             */
+/*   Updated: 2022/10/14 02:28:15 by kdx              ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strjoin(char const *s1, char const *s2)
+{
+	size_t	s1_len;
+	size_t	s2_len;
+	char	*ptr;
+
+	if (s1 == NULL || s2 == NULL)
+		return (NULL);
+	s1_len = ft_strlen(s1);
+	s2_len = ft_strlen(s2);
+	ptr = malloc(s1_len + s2_len + 1);
+	if (ptr == NULL)
+		return (NULL);
+	ptr[s1_len + s2_len] = '\0';
+	while (s2_len > 0)
+	{
+		s2_len -= 1;
+		ptr[s1_len + s2_len] = s2[s2_len];
+	}
+	while (s1_len > 0)
+	{
+		s1_len -= 1;
+		ptr[s1_len] = s1[s1_len];
+	}
+	return (ptr);
+}