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mdbx: adds mdbx_get_ex() for libfpta.

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Leo Yuriev
2017-01-19 17:11:30 +03:00
parent 5bb931f7c4
commit 688b711e31
2 changed files with 57 additions and 1 deletions
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5
mdbx.h
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@@ -219,12 +219,15 @@ typedef struct mdbx_canary {
int mdbx_canary_put(MDB_txn *txn, const mdbx_canary* canary);
size_t mdbx_canary_get(MDB_txn *txn, mdbx_canary* canary);
/** Returns 1 when no more data available or cursor not positioned,
/* Returns 1 when no more data available or cursor not positioned,
* 0 otherwise or less that zero in error case. */
int mdbx_cursor_eof(MDB_cursor *mc);
int mdbx_replace(MDB_txn *txn, MDB_dbi dbi,
MDB_val *key, MDB_val *new_data, MDB_val *old_data, unsigned flags);
/* Same as mdbx_get(), but also return the count
* of multi-values/duplicates for a given key. */
int mdbx_get_ex(MDB_txn *txn, MDB_dbi dbi, MDB_val *key, MDB_val *data, int* values_count);
/** @} */