[PATCH 1/6] vclock: allow to use const vclock as search key
Vladimir Davydov
vdavydov.dev at gmail.com
Sun Nov 25 16:48:08 MSK 2018
vclockset_psearch() and friends never modify the vclock used as a search
key, but the compiler will not allow to pass const struct vclock to any
of those functions. Fix this.
---
src/box/vclock.c | 4 +++-
src/box/vclock.h | 5 +++--
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/box/vclock.c b/src/box/vclock.c
index b5eb2800..3c4b3204 100644
--- a/src/box/vclock.c
+++ b/src/box/vclock.c
@@ -206,4 +206,6 @@ vclockset_node_compare(const struct vclock *a, const struct vclock *b)
return res;
}
-rb_gen(, vclockset_, vclockset_t, struct vclock, link, vclockset_node_compare);
+rb_gen_ext_key(, vclockset_, vclockset_t, struct vclock, link,
+ vclockset_node_compare, const struct vclock *,
+ vclockset_node_compare);
diff --git a/src/box/vclock.h b/src/box/vclock.h
index 111e2916..d90f5697 100644
--- a/src/box/vclock.h
+++ b/src/box/vclock.h
@@ -271,7 +271,8 @@ vclock_compare(const struct vclock *a, const struct vclock *b)
* @brief vclockset - a set of vclocks
*/
typedef rb_tree(struct vclock) vclockset_t;
-rb_proto(, vclockset_, vclockset_t, struct vclock);
+rb_proto_ext_key(, vclockset_, vclockset_t, struct vclock,
+ const struct vclock *);
/**
* A proximity search in a set of vclock objects.
@@ -283,7 +284,7 @@ rb_proto(, vclockset_, vclockset_t, struct vclock);
* @return a vclock that <= than \a key
*/
static inline struct vclock *
-vclockset_match(vclockset_t *set, struct vclock *key)
+vclockset_match(vclockset_t *set, const struct vclock *key)
{
struct vclock *match = vclockset_psearch(set, key);
/**
--
2.11.0
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