From 16449e8a72c7d9282647823d1747ae5696619d4f Mon Sep 17 00:00:00 2001 From: Louis Burda Date: Mon, 27 Dec 2021 17:53:13 +0100 Subject: refactored autoplay and prev/next functionality --- src/list.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'src/list.h') 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 -#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 -- cgit v1.2.3-71-gd317