If a tail queue is empty the return value is not

undefined, it is NULL.
This commit is contained in:
Kirk McKusick 2006-03-22 02:40:38 +00:00
parent 3ee42667a4
commit c4e29cccdd
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=156983

View file

@ -538,7 +538,7 @@ after the element
The macro
.Nm STAILQ_LAST
returns the last item on the tail queue.
If the tail queue is empty the return value is undefined.
If the tail queue is empty the return value is NULL.
.Pp
The macro
.Nm STAILQ_NEXT
@ -899,7 +899,7 @@ before the element
The macro
.Nm TAILQ_LAST
returns the last item on the tail queue.
If the tail queue is empty the return value is undefined.
If the tail queue is empty the return value is NULL.
.Pp
The macro
.Nm TAILQ_NEXT