fix echo (accept -n multiple times; fix github action

codes/builtins/builtin_echo.c

@@ -6,13 +6,14 @@
 /*   By: kyungjle <kyungjle@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/04/05 12:45:54 by kyungjle          #+#    #+#             */
-/*   Updated: 2024/04/09 14:55:55 by kyungjle         ###   ########.fr       */
+/*   Updated: 2024/04/09 18:01:44 by kyungjle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "builtin.h"
 
-int	builtin_echo(char *args[], t_ld_map_env *env);
+int				builtin_echo(char *args[], t_ld_map_env *env);
+static t_bool	parse_args(char *args[], int *index);
 
 /*
 int	builtin_echo(char *args[], t_ld_map_env *env)
@@ -22,24 +23,43 @@ int	builtin_echo(char *args[], t_ld_map_env *env)
 */
 int	builtin_echo(char *args[], t_ld_map_env *env)
 {
-	int	i;
+	int		index;
+	t_bool	print_nl;
 
 	(void) env;
-	i = 1;
-	if (args[1] != NULL
-		&& ft_strlen(args[1]) == 2 && ft_strncmp(args[1], "-n", 2) == 0)
-		i += 1;
-	while (args[i] != NULL)
+	print_nl = parse_args(args, &index);
+	while (args[index] != NULL)
 	{
-		printf("%s", args[i]);
-		if (args[i + 1] != NULL)
+		printf("%s", args[index]);
+		if (args[index + 1] != NULL)
 			printf(" ");
-		i++;
+		index++;
 	}
-	if (args[1] != NULL
-		&& !(ft_strlen(args[1]) == 2 && ft_strncmp(args[1], "-n", 2) == 0))
-		printf("\n");
-	if (args[1] == NULL)
+	if (print_nl || args[1] == NULL)
 		printf("\n");
 	return (EXIT_SUCCESS);
 }
+
+static t_bool	parse_args(char *args[], int *index)
+{
+	t_bool	ret;
+	int		i;
+
+	ret = TRUE;
+	*index = 1;
+	while (args[*index] != NULL)
+	{
+		if (args[*index][0] != '-')
+			break ;
+		i = 1;
+		while (args[*index][i] != '\0')
+		{
+			if (args[*index][i] != 'n')
+				return (ret);
+			i += 1;
+		}
+		ret = FALSE;
+		*index += 1;
+	}
+	return (ret);
+}