1 files changed, 88 insertions, 0 deletions
diff --git a/helper_list.c b/helper_list.c
new file mode 100644
index 0000000..71e69fa
--- /dev/null
+++ b/helper_list.c
@@ -0,0 +1,88 @@
+#include "libasm_test.h"
+
+static t_list*
+create_elem(int data)
+{
+	int *data_ptr = malloc(sizeof(int));
+	if (data_ptr == NULL)
+		return (NULL);
+	t_list *new = malloc(sizeof(t_list));
+	if (new == NULL)
+		return NULL;
+	new->data = data_ptr;
+	new->next = NULL;
+	return new;
+}
+
+static void
+push_front(t_list **lst_ptr, t_list *new_front)
+{
+	if (lst_ptr == NULL || new_front == NULL)
+		return ;
+	new_front->next = *lst_ptr;
+	*lst_ptr = new_front;
+}
+
+static t_list*
+reverse(t_list *list)
+{
+	if (list == NULL || list->next == NULL)
+		return list;
+	t_list *tmp = reverse(list->next);
+	list->next->next = list;
+	list->next = NULL;
+	return tmp;
+}
+
+t_list*
+list_from_format(char *fmt)
+{
+	t_list *head = NULL;
+
+	while (*fmt)
+	{
+		int n = ft_atoi(*fmt);
+		t_list *elem = create_elem(n);
+		push_front(&head, elem);
+		while (isdigit(*fmt))
+			fmt++;
+		if (*fmt)
+			fmt++;
+	}
+	return head;
+}
+
+t_list*
+list_dup(t_list *list)
+{
+	t_list *dup_head = NULL;
+
+	while (list != NULL)
+	{
+		t_list *tmp = create_elem(*(int*)list->data);
+		push_front(&dup_head, tmp);
+	}
+	return reverse(dup_head);
+}
+
+int
+list_cmp(t_list *l1, t_list l2)
+{
+	if (l1 == NULL && l2 == NULL)
+		return 0;
+	if (l1 == NULL)
+		return -1;
+	if (l2 == NULL)
+		return 1;
+	if (*(int*)l1->data != *(int*)l2->data)
+		return *(int*)l1->data - *(int*)l2->data;
+	return list_cmp(l1->next, l2->next);
+}
+
+void
+list_print(t_list *list)
+{
+	while (list != NULL)
+		printf("[%d] -> ", *(int*)list->data);
+	printf("(null)\n");
+}