sharedlibs.h

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#pragma once
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H.Bril
 Date:          Jun 2006
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "basicmod.h"
#include "bufstring.h"
#include "gendefs.h"
 
#ifdef __win__
#   include "windows.h"
    typedef HMODULE Handletype;
#else
    typedef void* Handletype;
#endif
 
 
mExpClass(Basic) SharedLibAccess
{
public:
 
                SharedLibAccess(const char* file_name);
    bool        isOK() const            { return handle_; }
    const char* errMsg() const          { return errmsg_.buf(); }
 
    void        close();
 
    void*       getFunction(const char* function_name) const;
 
    Handletype  handle()                { return handle_; }
 
    mDeprecated("Provide the size of the write buffer")
    static void getLibName(const char* modnm,char*);
 
    static void getLibName(const char* modnm,char*,int sz);
 
protected:
 
    Handletype          handle_;
    BufferString        errmsg_;
 
};
 
 
mExpClass(Basic) RuntimeLibLoader
{
public:
                    RuntimeLibLoader(const char* libfilenm);
                    RuntimeLibLoader(const char* libfilenm,
                                     const char* subdir);
                    ~RuntimeLibLoader();
 
    bool            isOK() const;
 
private:
 
    SharedLibAccess* sha_ = nullptr;
 
};