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rculfhash: Check that init size is power of 2
[urcu.git]
/
rculfhash.c
diff --git
a/rculfhash.c
b/rculfhash.c
index 9aeb3e76598071c0b450a4287c2fe8c615bc9a29..1720afb61669e971968fc2cfcd994db3e6b7b8be 100644
(file)
--- a/
rculfhash.c
+++ b/
rculfhash.c
@@
-621,6
+621,9
@@
struct cds_lfht *cds_lfht_new(cds_lfht_hash_fct hash_fct,
struct cds_lfht *ht;
unsigned long order;
+ /* init_size must be power of two */
+ if (init_size & (init_size - 1))
+ return NULL;
ht = calloc(1, sizeof(struct cds_lfht));
ht->hash_fct = hash_fct;
ht->compare_fct = compare_fct;
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