1 /*
2 * Copyright 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 
17 #ifndef _API_INITIALIZER_H_
18 #define _API_INITIALIZER_H_
19 #include <stdlib.h>
20 #include <dlfcn.h>
21 
22 class ApiInitializer {
23 public:
ApiInitializer(void * dso)24     ApiInitializer(void *dso) :
25         m_dso(dso) {
26     }
s_getProc(const char * name,void * userData)27     static void *s_getProc(const char *name, void *userData) {
28         ApiInitializer *self = (ApiInitializer *)userData;
29         return self->getProc(name);
30     }
31 private:
32     void *m_dso;
getProc(const char * name)33     void *getProc(const char *name) {
34         void *symbol = NULL;
35         if (m_dso) {
36             symbol = dlsym(m_dso, name);
37         }
38         return symbol;
39     }
40 };
41 
42 #endif
43