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- #include "meta_db.h"
- #include <stdbool.h>
- #include <lmdb.h>
- #include <stdio.h>
- int meta_max_dbs = 0;
- int meta_open(const char *file, unsigned long db_name, bool create,
- MDB_env **env, MDB_dbi *dbi)
- {
- int rc = 0;
- const int buff_size = 11;
- char buff[buff_size];
- char *name = NULL;
- MDB_txn *txn = NULL;
- if (db_name != 0)
- {
- snprintf(buff, buff_size, "%lu", db_name);
- name = buff;
- }
- rc = mdb_env_create(env);
- rc = mdb_env_set_maxdbs(*env, meta_max_dbs);
- rc = mdb_env_open(*env, file, 0, 0644);
- rc = mdb_txn_begin(*env, NULL, 0, &txn);
- if (create == true)
- rc = mdb_dbi_open(txn, name, MDB_CREATE, dbi);
- rc = mdb_dbi_open(txn, name, 0, dbi);
- return rc;
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