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system_util.hh
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1 /*
2  * Copyright 2013 Open Source Robotics Foundation
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 _SDF_VISIBLE_HH_
18 #define _SDF_VISIBLE_HH_
19 
28 #if defined _WIN32 || defined __CYGWIN__
29  #ifdef BUILDING_DLL
30  #ifdef __GNUC__
31  #define SDFORMAT_VISIBLE __attribute__ ((dllexport))
32  #else
33  #define SDFORMAT_VISIBLE __declspec(dllexport)
34  #endif
35  #else
36  #ifdef __GNUC__
37  #define SDFORMAT_VISIBLE __attribute__ ((dllimport))
38  #else
39  #define SDFORMAT_VISIBLE __declspec(dllimport)
40  #endif
41  #endif
42  #define SDFORMAT_HIDDEN
43 #else
44  #if __GNUC__ >= 4
45  #define SDFORMAT_VISIBLE __attribute__ ((visibility ("default")))
46  #define SDFORMAT_HIDDEN __attribute__ ((visibility ("hidden")))
47  #else
48  #define SDFORMAT_VISIBLE
49  #define SDFORMAT_HIDDEN
50  #endif
51 #endif
52 
53 // Use safer functions on Windows
54 #ifdef _MSC_VER
55  #define sdf_strdup _strdup
56 #else
57  #define sdf_strdup strdup
58 #endif
59 
60 #endif /* SDFORMAT_VISIBLE_HH */