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[BZ #5779]

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* misc/sys/queue.h: Add STAILQ_CONCAT and TAILQ_CONCAT definitions.
	Patch by Roy Marples <roy@marples.name>.
This commit is contained in:
Ulrich Drepper 2008-03-05 05:50:39 +00:00
parent 15600683c7
commit a4bb445a63
2 changed files with 21 additions and 0 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2008-03-04 Ulrich Drepper <drepper@redhat.com>
[BZ #5779]
* misc/sys/queue.h: Add STAILQ_CONCAT and TAILQ_CONCAT definitions.
Patch by Roy Marples <roy@marples.name>.
[BZ #5736]
* malloc/malloc.c: Fix typo in comment.

17
misc/sys/queue.h
View File

@ -271,6 +271,14 @@ struct { \
(var); \
(var) = ((var)->field.stqe_next))
#define STAILQ_CONCAT(head1, head2) do { \
if (!STAILQ_EMPTY((head2))) { \
*(head1)->stqh_last = (head2)->stqh_first; \
(head1)->stqh_last = (head2)->stqh_last; \
STAILQ_INIT((head2)); \
} \
} while (/*CONSTCOND*/0)
/*
* Singly-linked Tail queue access methods.
*/
@ -434,6 +442,15 @@ struct { \
(var); \
(var) = (*(((struct headname *)((var)->field.tqe_prev))->tqh_last)))
#define TAILQ_CONCAT(head1, head2, field) do { \
if (!TAILQ_EMPTY(head2)) { \
*(head1)->tqh_last = (head2)->tqh_first; \
(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last; \
(head1)->tqh_last = (head2)->tqh_last; \
TAILQ_INIT((head2)); \
} \
} while (/*CONSTCOND*/0)
/*
* Tail queue access methods.
*/