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classifier: Prepare for "struct cls_rule" needing to be destroyed.

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Until now, "struct cls_rule" didn't own any data outside its own memory
block.  An upcoming commit will make "struct cls_rule" sometimes own blocks
of memory, so it needs "destroy" and to a lesser extent "clone" functions.
This commit adds these in advance, even though they are mostly no-ops, to
make it possible to separately review the memory management.

Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Ben Pfaff
2012-08-20 11:29:43 -07:00
parent 81a76618be
commit 48d28ac161
5 changed files with 80 additions and 18 deletions
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lib/classifier.h
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@@ -70,6 +70,8 @@ struct cls_rule {
void cls_rule_init(struct cls_rule *,
const struct match *, unsigned int priority);
void cls_rule_clone(struct cls_rule *, const struct cls_rule *);
void cls_rule_destroy(struct cls_rule *);
bool cls_rule_equal(const struct cls_rule *, const struct cls_rule *);
uint32_t cls_rule_hash(const struct cls_rule *, uint32_t basis);