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authorEmilio G. Cota <cota@braap.org>2018-09-10 13:48:39 -0400
committerRichard Henderson <richard.henderson@linaro.org>2018-09-26 08:55:54 -0700
commit1911c8a3bd550c79339863672ddcf5dbc48d3c16 (patch)
treeb68869b5a6089eecb5cc3d589ee70f1fa19f5fec /util/qht.c
parent6579f10779b5b5ed2e978e7b8cae7bcbf8665254 (diff)
qht: constify arguments to some internal functions
These functions do not modify their @ht or @bucket arguments. Constify those arguments. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'util/qht.c')
-rw-r--r--util/qht.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/util/qht.c b/util/qht.c
index 4378775d68..aa51be3c52 100644
--- a/util/qht.c
+++ b/util/qht.c
@@ -268,7 +268,8 @@ static void qht_map_unlock_buckets(struct qht_map *map)
* Call with at least a bucket lock held.
* @map should be the value read before acquiring the lock (or locks).
*/
-static inline bool qht_map_is_stale__locked(struct qht *ht, struct qht_map *map)
+static inline bool qht_map_is_stale__locked(const struct qht *ht,
+ const struct qht_map *map)
{
return map != ht->map;
}
@@ -337,12 +338,12 @@ struct qht_bucket *qht_bucket_lock__no_stale(struct qht *ht, uint32_t hash,
return b;
}
-static inline bool qht_map_needs_resize(struct qht_map *map)
+static inline bool qht_map_needs_resize(const struct qht_map *map)
{
return atomic_read(&map->n_added_buckets) > map->n_added_buckets_threshold;
}
-static inline void qht_chain_destroy(struct qht_bucket *head)
+static inline void qht_chain_destroy(const struct qht_bucket *head)
{
struct qht_bucket *curr = head->next;
struct qht_bucket *prev;
@@ -550,8 +551,11 @@ void *qht_lookup(const struct qht *ht, const void *userp, uint32_t hash)
return qht_lookup_custom(ht, userp, hash, ht->cmp);
}
-/* call with head->lock held */
-static void *qht_insert__locked(struct qht *ht, struct qht_map *map,
+/*
+ * call with head->lock held
+ * @ht is const since it is only used for ht->cmp()
+ */
+static void *qht_insert__locked(const struct qht *ht, struct qht_map *map,
struct qht_bucket *head, void *p, uint32_t hash,
bool *needs_resize)
{
@@ -645,7 +649,7 @@ bool qht_insert(struct qht *ht, void *p, uint32_t hash, void **existing)
return false;
}
-static inline bool qht_entry_is_last(struct qht_bucket *b, int pos)
+static inline bool qht_entry_is_last(const struct qht_bucket *b, int pos)
{
if (pos == QHT_BUCKET_ENTRIES - 1) {
if (b->next == NULL) {