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Update uthash.h to permit preallocation #274

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Update uthash.h to permit preallocation #274

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6 changes: 6 additions & 0 deletions src/uthash.h
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Original file line number Diff line number Diff line change
Expand Up @@ -126,8 +126,14 @@ do {
#endif

/* initial number of buckets */
#ifndef HASH_INITIAL_NUM_BUCKETS
#define HASH_INITIAL_NUM_BUCKETS 32U /* initial number of buckets */
#endif

#ifndef HASH_INITIAL_NUM_BUCKETS_LOG2
#define HASH_INITIAL_NUM_BUCKETS_LOG2 5U /* lg2 of initial number of buckets */
#endif

#define HASH_BKT_CAPACITY_THRESH 10U /* expand when bucket count reaches */

/* calculate the element whose hash handle address is hhp */
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