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-rw-r--r--src/crepe/facade/DB.cpp4
-rw-r--r--src/crepe/facade/DB.h4
2 files changed, 5 insertions, 3 deletions
diff --git a/src/crepe/facade/DB.cpp b/src/crepe/facade/DB.cpp
index d5d19dc..95cf606 100644
--- a/src/crepe/facade/DB.cpp
+++ b/src/crepe/facade/DB.cpp
@@ -18,8 +18,8 @@ DB::DB(const string & path) {
this->db = {db, [](libdb::DB * db) { db->close(db, 0); }};
// load or create database file
- ret = this->db->open(this->db.get(), NULL, path.c_str(), NULL, libdb::DB_BTREE, DB_CREATE,
- 0);
+ const char * file = path.empty() ? NULL : path.c_str();
+ ret = this->db->open(this->db.get(), NULL, file, NULL, libdb::DB_BTREE, DB_CREATE, 0);
if (ret != 0) throw runtime_error(format("db->open: {}", libdb::db_strerror(ret)));
// create cursor
diff --git a/src/crepe/facade/DB.h b/src/crepe/facade/DB.h
index 629b0eb..115c0f1 100644
--- a/src/crepe/facade/DB.h
+++ b/src/crepe/facade/DB.h
@@ -22,8 +22,10 @@ class DB {
public:
/**
* \param path The path of the database (created if nonexistant)
+ *
+ * \note If \p path is empty, the database is entirely in-memory
*/
- DB(const std::string & path);
+ DB(const std::string & path = "");
virtual ~DB() = default;
public: