summaryrefslogtreecommitdiff
path: root/bdb/cxx/cxx_dbc.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'bdb/cxx/cxx_dbc.cpp')
-rw-r--r--bdb/cxx/cxx_dbc.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/bdb/cxx/cxx_dbc.cpp b/bdb/cxx/cxx_dbc.cpp
new file mode 100644
index 00000000000..4d5844f922f
--- /dev/null
+++ b/bdb/cxx/cxx_dbc.cpp
@@ -0,0 +1,115 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997-2002
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char revid[] = "$Id: cxx_dbc.cpp,v 11.55 2002/07/03 21:03:52 bostic Exp $";
+#endif /* not lint */
+
+#include <errno.h>
+#include <string.h>
+
+#include "db_cxx.h"
+#include "dbinc/cxx_int.h"
+
+#include "db_int.h"
+#include "dbinc/db_page.h"
+#include "dbinc_auto/db_auto.h"
+#include "dbinc_auto/crdel_auto.h"
+#include "dbinc/db_dispatch.h"
+#include "dbinc_auto/db_ext.h"
+#include "dbinc_auto/common_ext.h"
+
+// Helper macro for simple methods that pass through to the
+// underlying C method. It may return an error or raise an exception.
+// Note this macro expects that input _argspec is an argument
+// list element (e.g., "char *arg") and that _arglist is the arguments
+// that should be passed through to the C method (e.g., "(db, arg)")
+//
+#define DBC_METHOD(_name, _argspec, _arglist, _retok) \
+int Dbc::_name _argspec \
+{ \
+ int ret; \
+ DBC *dbc = this; \
+ \
+ ret = dbc->c_##_name _arglist; \
+ if (!_retok(ret)) \
+ DB_ERROR("Dbc::" # _name, ret, ON_ERROR_UNKNOWN); \
+ return (ret); \
+}
+
+// It's private, and should never be called, but VC4.0 needs it resolved
+//
+Dbc::~Dbc()
+{
+}
+
+DBC_METHOD(close, (void), (dbc), DB_RETOK_STD)
+DBC_METHOD(count, (db_recno_t *countp, u_int32_t _flags),
+ (dbc, countp, _flags), DB_RETOK_STD)
+DBC_METHOD(del, (u_int32_t _flags),
+ (dbc, _flags), DB_RETOK_DBCDEL)
+
+int Dbc::dup(Dbc** cursorp, u_int32_t _flags)
+{
+ int ret;
+ DBC *dbc = this;
+ DBC *new_cursor = 0;
+
+ ret = dbc->c_dup(dbc, &new_cursor, _flags);
+
+ if (DB_RETOK_STD(ret))
+ // The following cast implies that Dbc can be no larger than DBC
+ *cursorp = (Dbc*)new_cursor;
+ else
+ DB_ERROR("Dbc::dup", ret, ON_ERROR_UNKNOWN);
+
+ return (ret);
+}
+
+int Dbc::get(Dbt* key, Dbt *data, u_int32_t _flags)
+{
+ int ret;
+ DBC *dbc = this;
+
+ ret = dbc->c_get(dbc, key, data, _flags);
+
+ if (!DB_RETOK_DBCGET(ret)) {
+ if (ret == ENOMEM && DB_OVERFLOWED_DBT(key))
+ DB_ERROR_DBT("Dbc::get", key, ON_ERROR_UNKNOWN);
+ else if (ret == ENOMEM && DB_OVERFLOWED_DBT(data))
+ DB_ERROR_DBT("Dbc::get", data, ON_ERROR_UNKNOWN);
+ else
+ DB_ERROR("Dbc::get", ret, ON_ERROR_UNKNOWN);
+ }
+
+ return (ret);
+}
+
+int Dbc::pget(Dbt* key, Dbt *pkey, Dbt *data, u_int32_t _flags)
+{
+ int ret;
+ DBC *dbc = this;
+
+ ret = dbc->c_pget(dbc, key, pkey, data, _flags);
+
+ /* Logic is the same as for Dbc::get - reusing macro. */
+ if (!DB_RETOK_DBCGET(ret)) {
+ if (ret == ENOMEM && DB_OVERFLOWED_DBT(key))
+ DB_ERROR_DBT("Dbc::pget", key, ON_ERROR_UNKNOWN);
+ else if (ret == ENOMEM && DB_OVERFLOWED_DBT(data))
+ DB_ERROR_DBT("Dbc::pget", data, ON_ERROR_UNKNOWN);
+ else
+ DB_ERROR("Dbc::pget", ret, ON_ERROR_UNKNOWN);
+ }
+
+ return (ret);
+}
+
+DBC_METHOD(put, (Dbt* key, Dbt *data, u_int32_t _flags),
+ (dbc, key, data, _flags), DB_RETOK_DBCPUT)