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2037. [func] When unlinking the first or last element in a list

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check that the list head points to the element to
                        be unlinked. [RT #15959]
This commit is contained in:
Mark Andrews 2006-06-05 00:38:56 +00:00
parent 5d51f53483
commit d48f987725
2 changed files with 10 additions and 2 deletions
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4
CHANGES
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@ -1,3 +1,7 @@
2037. [func] When unlinking the first or last element in a list
check that the list head points to the element to
be unlinked. [RT #15959]
2036. [bug] 'rndc recursing' could cause trigger a REQUIRE.
[RT #16075]

8
lib/bind/include/isc/list.h
View file

@ -66,12 +66,16 @@
INSIST(LINKED(elt, link));\
if ((elt)->link.next != NULL) \
(elt)->link.next->link.prev = (elt)->link.prev; \
else \
else { \
INSIST((list).tail == (elt)); \
(list).tail = (elt)->link.prev; \
} \
if ((elt)->link.prev != NULL) \
(elt)->link.prev->link.next = (elt)->link.next; \
else \
else { \
INSIST((list).head == (elt)); \
(list).head = (elt)->link.next; \
} \
INIT_LINK_TYPE(elt, link, type); \
} while (0)
#define UNLINK(list, elt, link) \