diff options
Diffstat (limited to 'src/shared/hashmap.c')
-rw-r--r-- | src/shared/hashmap.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/shared/hashmap.c b/src/shared/hashmap.c index ef78070f4c..dcfbb67228 100644 --- a/src/shared/hashmap.c +++ b/src/shared/hashmap.c @@ -147,6 +147,25 @@ int trivial_compare_func(const void *a, const void *b) { return a < b ? -1 : (a > b ? 1 : 0); } +unsigned uint64_hash_func(const void *p) { + uint64_t u; + + assert_cc(sizeof(uint64_t) == 2*sizeof(unsigned)); + + u = *(const uint64_t*) p; + + return (unsigned) ((u >> 32) ^ u); +} + +int uint64_compare_func(const void *_a, const void *_b) { + uint64_t a, b; + + a = *(const uint64_t*) _a; + b = *(const uint64_t*) _b; + + return a < b ? -1 : (a > b ? 1 : 0); +} + Hashmap *hashmap_new(hash_func_t hash_func, compare_func_t compare_func) { bool b; Hashmap *h; |