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Diffstat (limited to 'src/builtins_part_one.c')
-rw-r--r--src/builtins_part_one.c153
1 files changed, 56 insertions, 97 deletions
diff --git a/src/builtins_part_one.c b/src/builtins_part_one.c
index d64bb54..11989cc 100644
--- a/src/builtins_part_one.c
+++ b/src/builtins_part_one.c
@@ -6,79 +6,12 @@
/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/09 17:01:16 by chuhlig #+# #+# */
-/* Updated: 2025/01/10 14:36:55 by chuhlig ### ########.fr */
+/* Updated: 2025/01/20 19:07:18 by chuhlig ### ########.fr */
/* */
/* ************************************************************************** */
#include "env.h"
-
-int echo(char **av)
-{
- int i;
- int f;
-
- i = 1;
- f = 1;
- if (av[1] == NULL || av[1][0] == '\0')
- {
- write(1, "\n", 1);
- return (1);
- }
- if (ft_strncmp(av[1], "-n", 3) == 0)
- {
- i++;
- f = 0;
- }
- while (av[i])
- {
- write(1, av[i], ft_strlen(av[i]));
- i++;
- if (av[i])
- write(1, " ", 1);
- }
- if (f)
- write(1, "\n", 1);
- return (0);
-}
-
-int pwd(t_env *env)
-{
- while (env)
- {
- if (ft_strncmp(env->name, "PWD", 4) == 0)
- {
- ft_printf("%s\n", env->value);
- break ;
- }
- env = env->next;
- }
- return (0);
-}
-
-int ft_env(t_env *env)
-{
- while (env != NULL)
- {
- printf("%s", env->name);
- printf("=%s\n", env->value);
- env = env->next;
- }
- return (0);
-}
-
-// int exit(char *av)
-// {
-// freenode free toke free sequence stop repl free env;
-// clear history;
-// }
-////
-
-void free_env_node(t_env *node)
-{
- free(node->name);
- free(node->value);
- free(node);
-}
+#include <stdio.h>
int unset(char **av, t_env **env)
{
@@ -109,21 +42,12 @@ int unset(char **av, t_env **env)
return (0);
}
-t_env *env_new(char *name)
-{
- t_env *result;
-
- result = malloc(sizeof(t_env));
- if (!result)
- return (NULL);
- result->name = name;
- return (result);
-}
-
t_env *check_existing(t_env *env, char *av)
{
while (env)
{
+ if (ft_strcmp("$", av) == 0)
+ return (NULL);
if (ft_strcmp(env->name, av) == 0)
return (env);
env = env->next;
@@ -131,31 +55,66 @@ t_env *check_existing(t_env *env, char *av)
return (NULL);
}
-int export(char **av, t_env **env)
+void export_export(char *av, t_env **env)
{
char *tmp;
t_env *current;
- int i;
current = NULL;
+ tmp = ft_strchr(av, '=');
+ *tmp = '\0';
+ current = check_existing(*env, av);
+ if (current)
+ free(current->value);
+ else
+ {
+ current = env_new(ft_strdup(av));
+ current->next = *env;
+ *env = current;
+ }
+ current->value = ft_strdup(tmp + 1);
+}
+
+int is_valid_identifier(char *str)
+{
+ int i;
+
+ i = 0;
+ if (!ft_isalpha(str[0]) && str[0] != '_')
+ return (0);
+ while (str[i] && str[i] != '=')
+ {
+ if (!ft_isalnum(str[i]) && str[i] != '_')
+ return (0);
+ i++;
+ }
+ return (1);
+}
+
+int export(char **av, t_env **env, int f)
+{
+ char *equal_sign;
+ int i;
+
i = 0;
while (av[++i])
{
- if ((ft_strchr(av[i], '=')))
+ equal_sign = ft_strchr(av[i], '=');
+ if (equal_sign)
+ *equal_sign = '\0';
+ if (!is_valid_identifier(av[i]))
{
- tmp = ft_strchr(av[i], '=');
- *tmp = '\0';
- current = check_existing(*env, av[i]);
- if (current)
- free(current->value);
- else
- {
- current = env_new(ft_strdup(av[i]));
- current->next = *env;
- *env = current;
- }
- current->value = ft_strdup(tmp + 1);
+ write(1, "Minishell $ export: not a valid identifier\n", 43);
+ if (equal_sign)
+ *equal_sign = '=';
+ f++;
+ continue ;
+ }
+ if (equal_sign)
+ {
+ *equal_sign = '=';
+ export_export(av[i], env);
}
}
- return (0);
-} \ No newline at end of file
+ return (check_flag(f));
+}