d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add accessors for STAILQ.

Browse Source 
Reviewed by:	phk
This commit is contained in:
Doug Rabson 1997-05-07 14:38:11 +00:00
parent c9bf011176
commit 5bd588ccb0
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/sys/queue.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)queue.h 8.5 (Berkeley) 8/20/94
* $Id: queue.h,v 1.14 1997/04/14 18:22:02 phk Exp $
* $Id: queue.h,v 1.15 1997/04/27 08:31:17 phk Exp $
*/
#ifndef _SYS_QUEUE_H_
@ -183,6 +183,9 @@ struct { \
(head)->stqh_last = &(head)->stqh_first; \
}
#define STAILQ_FIRST(head) ((head)->stqh_first)
#define STAILQ_LAST(head) (*(head)->stqh_last)
#define STAILQ_INSERT_HEAD(head, elm, field) { \
if (((elm)->field.stqe_next = (head)->stqh_first) == NULL) \
(head)->stqh_last = &(elm)->field.stqe_next; \
@ -201,6 +204,8 @@ struct { \
(tqelm)->field.stqe_next = (elm); \
}
#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
#define STAILQ_REMOVE_HEAD(head, field) { \
if (((head)->stqh_first = \
(head)->stqh_first->field.stqe_next) == NULL) \