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add ISC_LIST_APPENDLIST

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This commit is contained in:
Bob Halley 1999-03-04 02:37:11 +00:00
parent b4113e7bd9
commit fa795c6d23
1 changed files with 13 additions and 0 deletions
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13
lib/isc/include/isc/list.h
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@ -95,6 +95,19 @@
} \
} while (0)
#define ISC_LIST_APPENDLIST(list1, list2, link) \
do { \
if (ISC_LIST_EMPTY(list1)) \
(list1) = (list2); \
else if (!ISC_LIST_EMPTY(list2)) { \
(list1).tail->link.next = (list2).head; \
(list2).head->link.prev = (list1).tail; \
(list1).tail = (list2).tail; \
(list2).head = NULL; \
(list2).tail = NULL; \
} \
} while (0)
#define ISC_LIST_ENQUEUE(list, elt, link) ISC_LIST_APPEND(list, elt, link)
#define ISC_LIST_DEQUEUE(list, elt, link) ISC_LIST_UNLINK(list, elt, link)