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Modified list macros w/ checking currently disabled.

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This commit is contained in:
Mark Andrews 2000-10-20 01:57:57 +00:00
parent b3c93eb846
commit 643f42815f
1 changed files with 49 additions and 6 deletions
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55
lib/isc/include/isc/list.h
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@ -15,11 +15,18 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: list.h,v 1.13 2000/08/01 01:30:22 tale Exp $ */
/* $Id: list.h,v 1.14 2000/10/20 01:57:57 marka Exp $ */
#ifndef ISC_LIST_H
#define ISC_LIST_H 1
#include <isc/boolean.h>
#include <isc/assertions.h>
#if 0
#define ISC_LINK_INSIST(x) ISC_INSIST(x)
#else
#define ISC_LINK_INSIST(x)
#endif
#define ISC_LIST(type) struct { type *head, *tail; }
#define ISC_LIST_INIT(list) \
@ -37,7 +44,7 @@
#define ISC_LIST_TAIL(list) ((list).tail)
#define ISC_LIST_EMPTY(list) ISC_TF((list).head == NULL)
#define ISC_LIST_PREPEND(list, elt, link) \
#define ISC_LIST_PREPENDUNSAFE(list, elt, link) \
do { \
if ((list).head != NULL) \
(list).head->link.prev = (elt); \
@ -48,7 +55,13 @@
(list).head = (elt); \
} while (0)
#define ISC_LIST_APPEND(list, elt, link) \
#define ISC_LIST_PREPEND(list, elt, link) \
do { \
ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
ISC_LIST_PREPENDUNSAFE(list, elt, link); \
} while (0)
#define ISC_LIST_APPENDUNSAFE(list, elt, link) \
do { \
if ((list).tail != NULL) \
(list).tail->link.next = (elt); \
@ -59,7 +72,13 @@
(list).tail = (elt); \
} while (0)
#define ISC_LIST_UNLINK(list, elt, link) \
#define ISC_LIST_APPEND(list, elt, link) \
do { \
ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
ISC_LIST_APPENDUNSAFE(list, elt, link); \
} while (0)
#define ISC_LIST_UNLINKUNSAFE(list, elt, link) \
do { \
if ((elt)->link.next != NULL) \
(elt)->link.next->link.prev = (elt)->link.prev; \
@ -73,10 +92,16 @@
(elt)->link.next = (void *)(-1); \
} while (0)
#define ISC_LIST_UNLINK(list, elt, link) \
do { \
ISC_LINK_INSIST(ISC_LINK_LINKED(elt, link)); \
ISC_LIST_UNLINKUNSAFE(list, elt, link); \
} while (0)
#define ISC_LIST_PREV(elt, link) ((elt)->link.prev)
#define ISC_LIST_NEXT(elt, link) ((elt)->link.next)
#define ISC_LIST_INSERTBEFORE(list, before, elt, link) \
#define ISC_LIST_INSERTBEFOREUNSAFE(list, before, elt, link) \
do { \
if ((before)->link.prev == NULL) \
ISC_LIST_PREPEND(list, elt, link); \
@ -88,7 +113,14 @@
} \
} while (0)
#define ISC_LIST_INSERTAFTER(list, after, elt, link) \
#define ISC_LIST_INSERTBEFORE(list, before, elt, link) \
do { \
ISC_LINK_INSIST(ISC_LINK_LINKED(before, link)); \
ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
ISC_LIST_INSERTBEFOREUNSAFE(list, before, elt, link); \
} while (0)
#define ISC_LIST_INSERTAFTERUNSAFE(list, after, elt, link) \
do { \
if ((after)->link.next == NULL) \
ISC_LIST_APPEND(list, elt, link); \
@ -100,6 +132,13 @@
} \
} while (0)
#define ISC_LIST_INSERTAFTER(list, after, elt, link) \
do { \
ISC_LINK_INSIST(ISC_LINK_LINKED(after, link)); \
ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
ISC_LIST_INSERTAFTERUNSAFE(list, after, elt, link); \
} while (0)
#define ISC_LIST_APPENDLIST(list1, list2, link) \
do { \
if (ISC_LIST_EMPTY(list1)) \
@ -114,6 +153,10 @@
} while (0)
#define ISC_LIST_ENQUEUE(list, elt, link) ISC_LIST_APPEND(list, elt, link)
#define ISC_LIST_ENQUEUEUNSAFE(list, elt, link) \
ISC_LIST_APPENDUNSAFE(list, elt, link)
#define ISC_LIST_DEQUEUE(list, elt, link) ISC_LIST_UNLINK(list, elt, link)
#define ISC_LIST_DEQUEUEUNSAFE(list, elt, link) \
ISC_LIST_UNLINKUNSAFE(list, elt, link)
#endif /* ISC_LIST_H */