mktree's hash function assumes that long is 32 bits. Fix.
This version takes Nathan's suggestion of using sizeof(key)
instead of sizeof(long).
Signed-off-by: Serge Hallyn <serue@xxxxxxxxxx>
---
mktree.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mktree.c b/mktree.c
index 7a8cecc..c1f13b8 100644
--- a/mktree.c
+++ b/mktree.c
@@ -1291,7 +1291,7 @@ static void hash_exit(struct ckpt_ctx *ctx)
static inline int hash_func(long key)
{
unsigned long hash = key * GOLDEN_RATIO_PRIME_32;
- return (hash >> (32 - HASH_BITS));
+ return (hash >> (sizeof(key)*8 - HASH_BITS));
}
static int hash_insert(struct ckpt_ctx *ctx, long key, void *data)
--
1.6.1.1
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