join free and 4

Author: cezou

libft/first_libft.h

@@ -6,7 +6,7 @@
 /*   By: cviegas <[email protected]>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/06 15:33:49 by cviegas           #+#    #+#             */
-/*   Updated: 2024/02/02 19:02:26 by cviegas          ###   ########.fr       */
+/*   Updated: 2024/03/01 18:31:05 by cviegas          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -50,6 +50,9 @@ char				*ft_strdup(const char *s);
 // DEUXIEME PARTIE
 char				*ft_substr(char const *s, unsigned int start, size_t len);
 char				*ft_strjoin(char const *s1, char const *s2);
+char				*ft_strjoin_free(char *s1, char *s2);
+char				*ft_strjoin_4(char const *s1, char const *s2,
+						char const *s3, char const *s4);
 char				*ft_strtrim(char const *s1, char const *set);
 char				**ft_split(char const *s, char c);
 char				**ft_split_charset(const char *str, char *charset);

libft/ft_strjoin.c

@@ -6,7 +6,7 @@
 /*   By: cviegas <[email protected]>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/10 23:58:03 by cviegas           #+#    #+#             */
-/*   Updated: 2023/12/12 22:07:53 by cviegas          ###   ########.fr       */
+/*   Updated: 2024/03/01 12:14:31 by cviegas          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -42,6 +42,61 @@ char	*ft_strjoin(char const *s1, char const *s2)
 	return (join);
 }
 
+char	*ft_strjoin_free(char *s1, char *s2)
+{
+	size_t	i;
+	char	*join;
+
+	i = 0;
+	if (!s1 || !s2)
+		return (NULL);
+	join = malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
+	if (!join)
+		return (NULL);
+	while (s1[i])
+	{
+		join[i] = s1[i];
+		i++;
+	}
+	while (s2[i - ft_strlen(s1)])
+	{
+		join[i] = s2[i - ft_strlen(s1)];
+		i++;
+	}
+	join[i] = 0;
+	free(s1);
+	free(s2);
+	return (join);
+}
+
+char	*ft_strjoin_4(char const *s1, char const *s2, char const *s3,
+		char const *s4)
+{
+	int		i;
+	char	*join;
+
+	if (!s1 || !s2 || !s3 || !s4)
+		return (NULL);
+	join = malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + ft_strlen(s3)
+				+ ft_strlen(s4) + 1));
+	if (!join)
+		return (NULL);
+	i = -1;
+	while (s1[++i])
+		join[i] = s1[i];
+	i--;
+	while (s2[++i - ft_strlen(s1)])
+		join[i] = s2[i - ft_strlen(s1)];
+	i--;
+	while (s3[++i - ft_strlen(s1) - ft_strlen(s2)])
+		join[i] = s3[i - ft_strlen(s1) - ft_strlen(s2)];
+	i--;
+	while (s4[++i - ft_strlen(s1) - ft_strlen(s2) - ft_strlen(s3)])
+		join[i] = s4[i - ft_strlen(s1) - ft_strlen(s2) - ft_strlen(s3)];
+	join[i] = 0;
+	return (join);
+}
+
 // int	main(int ac, char **av)
 // {
 // 	if (ac == 3)