/usr/include/osgDB/DynamicLibrary is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * OpenSceneGraph Public License for more details.
*/
#ifndef OSGDB_DYNAMICLIBRARY
#define OSGDB_DYNAMICLIBRARY 1
#include <osg/Referenced>
#include <osgDB/Export>
#include <string>
namespace osgDB {
/** DynamicLibrary - encapsulates the loading and unloading of dynamic libraries,
    typically used for loading ReaderWriter plug-ins.
*/
class OSGDB_EXPORT DynamicLibrary : public osg::Referenced
{
    public:
        typedef void*   HANDLE;
        typedef void*   PROC_ADDRESS;
        /** returns a pointer to a DynamicLibrary object on successfully
          * opening of library returns NULL on failure.
          */
        static DynamicLibrary* loadLibrary(const std::string& libraryName);
        /** return name of library stripped of path.*/
        const std::string& getName() const     { return _name; }
        /** return name of library including full path to it.*/
        const std::string& getFullName() const { return _fullName; }
        /** return handle to .dso/.dll dynamic library itself.*/
        HANDLE             getHandle() const   { return _handle; }
        /** return address of function located in library.*/
        PROC_ADDRESS       getProcAddress(const std::string& procName);
    protected:
        /** get handle to library file */
        static HANDLE getLibraryHandle( const std::string& libraryName);
        /** disallow default constructor.*/
        DynamicLibrary():osg::Referenced() {}
        /** disallow copy constructor.*/
        DynamicLibrary(const DynamicLibrary&):osg::Referenced() {}
        /** disallow copy operator.*/
        DynamicLibrary& operator = (const DynamicLibrary&) { return *this; }
        /** Disallow public construction so that users have to go
          * through loadLibrary() above which returns NULL on
          * failure, a valid DynamicLibrary object on success.
          */
        DynamicLibrary(const std::string& name,HANDLE handle);
        ~DynamicLibrary();
        HANDLE          _handle;
        std::string     _name;
        std::string     _fullName;
};
}
#endif // __DYNAMIC_LIBRARY_H
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