refactored autoplay and prev/next functionality

1 files changed, 8 insertions, 8 deletions

diff --git a/src/list.h b/src/list.h
index d74ac9f..b0e174d 100644
--- a/src/list.h
+++ b/src/list.h
@@ -2,10 +2,10 @@
 
 #include <stdlib.h>
 
-#define OFFSET(type, attr) ((size_t) &((type *)0)->attr)
+#define LINK_OFFSET(type) ((size_t) &((type *)0)->link)
 #define UPCAST(ptr, type) ({ \
 	const typeof( ((type *)0)->link ) *__mptr = (ptr); \
-	(type *)( (char *)__mptr - OFFSET(type, link) ); })
+	(type *)( (char *)__mptr - LINK_OFFSET(type) ); })
 
 #define LIST_HEAD ((struct link) { .prev = NULL, .next = NULL })
 #define LINK_EMPTY ((struct link) { 0 })
@@ -19,17 +19,17 @@ struct link {
 
 /* list_XXX functions operate on the list head */
 
+void list_free(struct link *head, void (*free_item)(void *), int offset);
 int list_empty(struct link *head);
 int list_len(struct link *head);
 int list_ffind(struct link *head, struct link *link);
+struct link *list_at(struct link *head, int n);
+void list_push_front(struct link *head, struct link *link);
+void list_push_back(struct link *head, struct link *link);
+struct link *list_pop_front(struct link *head);
 
-struct link *link_back(struct link *list);
 void link_prepend(struct link *list, struct link *link);
 void link_append(struct link *list, struct link *link);
+struct link *link_back(struct link *list);
 struct link *link_pop(struct link *link);
-
 struct link *link_iter(struct link *link, int n);
-
-void list_push_back(struct link *list, struct link *link);
-
-//rstrrrstrssiimmrsrsssts