1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include <windows.h>
27 #include "jni_util.h"
28 #include "PersistentTreeMap.h"
29
30 #ifndef BDB_LIB_NAME
31 #define BDB_LIB_NAME "db-rds.dll";
32 #endif
33
34 void ThrowException(JNIEnv *env)
35 {
36 char szMessage[1024];
37 szMessage[0] = '\0';
38 FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(),
39 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
40 szMessage, 1024, NULL);
41 JNU_ThrowInternalError(env, szMessage);
42 }
43
44
45 // Loads the appripriate BDB library. There will be a
46 // pending exception if this method fails.
47 void loadLibrary(JNIEnv* env)
48 {
49 HMODULE handle = NULL;
50 const char* libdb = BDB_LIB_NAME;
51
52 if ((handle = LoadLibrary(libdb)) == NULL) {
53 ThrowException(env);
54 return;
55 }
56
57 if ((libdb_db_create = (db_create_func*)
58 GetProcAddress(handle, "db_create")) == NULL) {
59 ThrowException(env);
60 return;
61 }
62
63 if ((libdb_db_strerror = (db_strerror_func*)
64 GetProcAddress(handle, "db_strerror")) == NULL) {
65 ThrowException(env);
66 }
67 }
68