diff options
Diffstat (limited to 'source/q_list.h')
| -rw-r--r-- | source/q_list.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source/q_list.h b/source/q_list.h index 2e1828b..a254cab 100644 --- a/source/q_list.h +++ b/source/q_list.h @@ -84,6 +84,16 @@ static inline void List_Remove( list_t *elem ) { #define LIST_PREV( type, entry, member ) \ LIST_ENTRY( type, (entry)->member.prev, member ) +#define LIST_NEXT_CYCLE( type, entry, list, member ) \ + ( (entry)->member.next == list ? \ + LIST_FIRST( type, list, member ) : \ + LIST_NEXT( type, entry, member ) ) + +#define LIST_PREV_CYCLE( type, entry, list, member ) \ + ( (entry)->member.prev == list ? \ + LIST_LAST( type, list, member ) : \ + LIST_PREV( type, entry, member ) ) + #define LIST_FOR_EACH( type, cursor, list, member ) \ for( cursor = LIST_FIRST( type, list, member ); \ &(cursor)->member != list; \ |