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Merge pull request #695

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f5affbe More for df239428c0 (Howard Chu)
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Riccardo Spagni 2016-03-05 23:05:29 +02:00
commit 80aa57a6cd
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1 changed files with 6 additions and 0 deletions
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6
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -149,8 +149,14 @@ private:
int compare_uint64(const MDB_val *a, const MDB_val *b) int compare_uint64(const MDB_val *a, const MDB_val *b)
{ {
#ifdef MISALIGNED_OK
const uint64_t va = *(const uint64_t*)a->mv_data; const uint64_t va = *(const uint64_t*)a->mv_data;
const uint64_t vb = *(const uint64_t*)b->mv_data; const uint64_t vb = *(const uint64_t*)b->mv_data;
#else
uint64_t va, vb;
memcpy(&va, a->mv_data, sizeof(uint64_t));
memcpy(&vb, b->mv_data, sizeof(uint64_t));
#endif
if (va < vb) return -1; if (va < vb) return -1;
else if (va == vb) return 0; else if (va == vb) return 0;
else return 1; else return 1;