Changeset: 34cb8b7b6647 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/34cb8b7b6647
Modified Files:
monetdb5/modules/mal/pp_hash.h
Branch: default
Log Message:
use unsigned arithmetic to have defined behaviour on overflow.
diffs (19 lines):
diff --git a/monetdb5/modules/mal/pp_hash.h b/monetdb5/modules/mal/pp_hash.h
--- a/monetdb5/modules/mal/pp_hash.h
+++ b/monetdb5/modules/mal/pp_hash.h
@@ -123,13 +123,13 @@ static inline lng
str_hsh( str v )
{
// Source: https://github.com/aappleby/smhasher/blob/master/src/Hashes.cpp
- lng h = 2166136261UL;
+ oid h = 2166136261UL;
const uint8_t* data = (const uint8_t*)v;
for (int i = 0; data[i]; i++) {
h ^= data[i];
h *= 16777619;
}
- return h;
+ return (lng)h;
}
extern hash_table *ht_create(int type, size_t size, hash_table *p, int vkey);
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