=?ISO-8859-2?Q?codeblock_co_robi=EA_=BCle=3F__shared_dll?=

From:
marcinchuc@gmail.com
Newsgroups:
comp.lang.c++
Date:
Wed, 12 Nov 2014 03:21:37 -0800 (PST)
Message-ID:
<a7d9a471-ec89-4a86-b5db-0c05a69e8862@googlegroups.com>
cze=B6=E6, dopiero si=EA ucz=EA i chcia=B3bym pozna=E6 dll, mam taki kod=
 

DLL.dll:

headers:

AFYA_PRODUKT.h:
------------------------------
#ifndef AFYA_PRODUKT_H
#define AFYA_PRODUKT_H
#if OS==1 /* Linux */
#include <dlfcn.h>
#define HINSTANCE void *
#define SHARED_EXPORT extern "C"
#define LOAD_LIB(name) dlopen(name, RTLD_LAZY)
#define LOAD_SYM(lib,name) dlsym(lib,name)
#elif OS==2 /* Windows */
#include <windows.h>
# define SHARED_EXPORT __declspec (dllexport)
#define LOAD_LIB(name) LoadLibrary(name)
#define LOAD_SYM(lib,name) GetProcAddress(lib,name)
#else
#error OS: 1 (Linux) or 2 (Windows)
#endif

extern "C"
{
 class SHARED_EXPORT AFYA_PRODUKT
{
public:
    AFYA_PRODUKT();
    virtual ~AFYA_PRODUKT();
    void testT(int t );
};

    SHARED_EXPORT AFYA_PRODUKT* CK();
};
#endif // AFYA_PRODUKT_H

--------------------
AFYA_PRODUKT.cpp
--------------------

#include "AFYA_PRODUKT.h"
#include <iostream>

extern "C"
{

SHARED_EXPORT AFYA_PRODUKT::AFYA_PRODUKT()
{
    std::cout<<"new AFYA";
}

SHARED_EXPORT AFYA_PRODUKT::~AFYA_PRODUKT()
{
    std::cout<<"del AFYA";
}
void SHARED_EXPORT AFYA_PRODUKT::testT(int t)
{

    std::cout<<t;
}
AFYA_PRODUKT* SHARED_EXPORT CK()
{

    return new AFYA_PRODUKT();
}
}

kt=F3ry kompiluje si=EA pi=EAknie z opcj=B1 -DOS=2

oraz plik main. cpp

#if OS==1 /* Linux */
#include <dlfcn.h>
#define HINSTANCE void *
#define SHARED_EXPORT extern "C"
#define LOAD_LIB(name) dlopen(name, RTLD_LAZY)
#define LOAD_SYM(lib,name) dlsym(lib,name)
#elif OS==2 /* Windows */
#include <windows.h>
#define SHARED_EXPORT __declspec(dllexport)
#define LOAD_LIB(name) LoadLibrary(name)
#define LOAD_SYM(lib,name) GetProcAddress(lib,name)
#else
#error OS: 1 (Linux) or 2 (Windows)
#endif
#include <iostream>
#include ".....\cpp\afya_produkt\include\AFYA_PRODUKT.h"

using namespace std;

int main()
{

    HINSTANCE hDll;
    hDll = LOAD_LIB("libafya_produkt");
    typedef AFYA_PRODUKT*( *pA)();

    pA Fx= reinterpret_cast<pA> (LOAD_SYM(hDll, "CK"));
    AFYA_PRODUKT* PR = Fx();
    int i=7;

// PR->testT(i); tutaj jest problem, o czym nizej

    delete PR;

    return 0;
}

kiedy udune komentarz kompilator wywala mu, ze brak odwolania do produkt_a=
fya::testT(int)

jak go pozostawi=EA, to jest ok i widz=EA wynik funkcji konstr/destr uktor=
a

kiedy odkomentuj=EA i w procect build-> LINKER zlinkuje (ale chyba? staty=
cznie bibliotek=EA afya-produkt.a) te=BF jest ok... co robi=EA niew=B3a=B6=
ciwe? bardzo prosz=EA o pomoc

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