Added export/unset builtin error message and status code

1 files changed, 41 insertions, 20 deletions

diff --git a/src/builtin/export.c b/src/builtin/export.c
index f41bcb0..809b809 100644
--- a/src/builtin/export.c
+++ b/src/builtin/export.c
@@ -6,7 +6,7 @@
 /*   By: charles <charles@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/04/01 17:11:34 by charles           #+#    #+#             */
-/*   Updated: 2020/06/19 11:21:50 by nahaddac         ###   ########.fr       */
+/*   Updated: 2020/07/15 13:22:18 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,35 +15,56 @@
 ** \brief  `export` builtin
 */
 
-// modify existing
-// set with no string without '='
-// TODO: multiple exported variable (e.g export A=a B=b C=c)
-
 #include "minishell.h"
 
-int	builtin_export(char **argv, t_env env)
+static void	st_put_declare_x(char *s)
 {
-	char	*temp;
+	char	*equal_ptr;
+
+	if (s == NULL)
+		return ;
+	ft_putstr("declare -x ");
+	if ((equal_ptr = ft_strchr(s, '=')) == NULL)
+		equal_ptr = ft_strchr(s, '\0');
+	write(STDOUT_FILENO, s, equal_ptr - s);
+	ft_putchar('=');
+	ft_putchar('"');
+	ft_putstr(equal_ptr + 1);
+	ft_putchar('"');
+	ft_putchar('\n');
+}
+
+int			builtin_export(char **argv, t_env env)
+{
+	int		status;
 	size_t  i;
+	char	*equal_ptr;
+	bool	skip;
 
-	(void)env;
 	if (argv[1] == NULL)
+	{
+		ft_veciter(env, (void (*)(void*))st_put_declare_x);
 		return (0);
-	if(ft_isdigit(argv[1][0]))
-		return(0);
+	}
+	status = 0;
 	i = 0;
-	temp = argv[1];
-	while(temp[i] != '\0')
+	while (argv[++i] != NULL)
 	{
-		if(temp[i] == ' ' || ft_isalnum(temp[i]) == 0)
-			return(0);
-		if (temp[i] == '=')
+		skip = (equal_ptr = ft_strchr(argv[i], '=')) == NULL;
+		if (!skip)
+			*equal_ptr = '\0';
+		if (!utils_valid_identifier(argv[i]))
 		{
-			temp[i] = '\0';
-			env_export(env, temp, &argv[1][i + 1]);
-			return(0);
+			if (!skip)
+				*equal_ptr = '=';
+			error_put_invalid_identifier("export", argv[i]);
+			status = 1;
+			continue;
 		}
-		i++;
+		if (skip)
+			continue;
+		if (env_export(env, argv[i], equal_ptr + 1) == NULL)
+			return (127); // malloc error
 	}
-	return (0);
+	return (status);
 }