1 files changed, 40 insertions, 0 deletions
diff --git a/ft_strjoin.c b/ft_strjoin.c
new file mode 100644
index 0000000..ecc7f9a
--- /dev/null
+++ b/ft_strjoin.c
@@ -0,0 +1,40 @@
+/*
+Libft Copyright (C) 2026 yctct
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "libft.h"
+
+char	*ft_strjoin(char const *s1, char const *s2)
+{
+	char	*ptr;
+
+	ptr = malloc(ft_strlen(s1) + ft_strlen(s2) + 1);
+	if (!ptr)
+		return (NULL);
+	ft_strlcpy(ptr, s1, (ft_strlen(s1) + 1));
+	ft_strlcat(ptr, s2, (ft_strlen(s1) + ft_strlen(s2) + 1));
+	return (ptr);
+}
+/*
+#include <stdio.h>
+
+int	main(void)
+{
+	char const	s1[]= "Hello, ";
+	char const	s2[]= "World";
+	printf("after: %s\n", ft_strjoin(s1, s2));
+}
+*/