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If a tail queue is empty the return value is not

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undefined, it is NULL.
This commit is contained in:
Kirk McKusick 2006-03-22 02:40:38 +00:00
parent 3ee42667a4
commit c4e29cccdd
1 changed files with 2 additions and 2 deletions
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4
share/man/man3/queue.3
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@ -538,7 +538,7 @@ after the element
The macro The macro
.Nm STAILQ_LAST .Nm STAILQ_LAST
returns the last item on the tail queue. 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 .Pp
The macro The macro
.Nm STAILQ_NEXT .Nm STAILQ_NEXT
@ -899,7 +899,7 @@ before the element
The macro The macro
.Nm TAILQ_LAST .Nm TAILQ_LAST
returns the last item on the tail queue. 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 .Pp
The macro The macro
.Nm TAILQ_NEXT .Nm TAILQ_NEXT