bash-5.0 distribution sources and documentation

array.h

@@ -33,6 +33,7 @@ typedef struct array {
 	enum atype	type;
 	arrayind_t	max_index;
 	int		num_elements;
+	struct array_element *lastref;
 	struct array_element *head;
 } ARRAY;
 
@@ -94,6 +95,7 @@ extern ARRAY *array_from_string __P((char *, char *));
 
 #define array_num_elements(a)	((a)->num_elements)
 #define array_max_index(a)	((a)->max_index)
+#define array_first_index(a)	((a)->head->next->ind)
 #define array_head(a)		((a)->head)
 #define array_empty(a)		((a)->num_elements == 0)
 
@@ -102,6 +104,8 @@ extern ARRAY *array_from_string __P((char *, char *));
 #define element_forw(ae)	((ae)->next)
 #define element_back(ae)	((ae)->prev)
 
+#define set_element_value(ae, val)	((ae)->value = (val))
+
 /* Convenience */
 #define array_push(a,v)	\
   do { array_rshift ((a), 1, (v)); } while (0)