diff options
author | Jesse Morgan <jesse@jesterpm.net> | 2016-12-17 21:28:53 -0800 |
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committer | Jesse Morgan <jesse@jesterpm.net> | 2016-12-17 21:28:53 -0800 |
commit | 54df2afaa61c6a03cbb4a33c9b90fa572b6d07b8 (patch) | |
tree | 18147b92b969d25ffbe61935fb63035cac820dd0 /db-4.8.30/cxx/cxx_dbc.cpp |
Berkeley DB 4.8 with rust build script for linux.
Diffstat (limited to 'db-4.8.30/cxx/cxx_dbc.cpp')
-rw-r--r-- | db-4.8.30/cxx/cxx_dbc.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/db-4.8.30/cxx/cxx_dbc.cpp b/db-4.8.30/cxx/cxx_dbc.cpp new file mode 100644 index 0000000..d4d461d --- /dev/null +++ b/db-4.8.30/cxx/cxx_dbc.cpp @@ -0,0 +1,123 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1997-2009 Oracle. All rights reserved. + * + * $Id$ + */ + +#include "db_config.h" + +#include "db_int.h" + +#include "db_cxx.h" +#include "dbinc/cxx_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->_name _arglist; \ + if (!_retok(ret)) \ + DB_ERROR(DbEnv::get_DbEnv(dbc->dbenv), \ + "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(cmp, (Dbc *other_cursor, int *result, u_int32_t _flags), + (dbc, other_cursor, result, _flags), 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->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(DbEnv::get_DbEnv(dbc->dbenv), + "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->get(dbc, key, data, _flags); + + if (!DB_RETOK_DBCGET(ret)) { + if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(key)) + DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbenv), + "Dbc::get", key, ON_ERROR_UNKNOWN); + else if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(data)) + DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbenv), + "Dbc::get", data, ON_ERROR_UNKNOWN); + else + DB_ERROR(DbEnv::get_DbEnv(dbc->dbenv), + "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->pget(dbc, key, pkey, data, _flags); + + /* Logic is the same as for Dbc::get - reusing macro. */ + if (!DB_RETOK_DBCGET(ret)) { + if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(key)) + DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbenv), + "Dbc::pget", key, ON_ERROR_UNKNOWN); + else if (ret == DB_BUFFER_SMALL && DB_OVERFLOWED_DBT(data)) + DB_ERROR_DBT(DbEnv::get_DbEnv(dbc->dbenv), + "Dbc::pget", data, ON_ERROR_UNKNOWN); + else + DB_ERROR(DbEnv::get_DbEnv(dbc->dbenv), + "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) +DBC_METHOD(get_priority, (DB_CACHE_PRIORITY *priorityp), + (dbc, priorityp), DB_RETOK_STD) +DBC_METHOD(set_priority, (DB_CACHE_PRIORITY pri), (dbc, pri), DB_RETOK_STD) |