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// Windows/DLL.h
#ifndef ZIP7_INC_WINDOWS_DLL_H
#define ZIP7_INC_WINDOWS_DLL_H
#include "../Common/MyString.h"
#ifndef _WIN32
typedef void * HMODULE;
// typedef int (*FARPROC)();
// typedef void *FARPROC;
void *GetProcAddress(HMODULE module, LPCSTR procName);
#endif
namespace NWindows {
namespace NDLL {
#ifdef _WIN32
/*
#ifdef UNDER_CE
#define My_GetProcAddress(module, procName) (void *)::GetProcAddressA(module, procName)
#else
#define My_GetProcAddress(module, procName) (void *)::GetProcAddress(module, procName)
#endif
*/
/* Win32: Don't call CLibrary::Free() and FreeLibrary() from another
FreeLibrary() code: detaching code in DLL entry-point or in
destructors of global objects in DLL module. */
class CLibrary
{
HMODULE _module;
// Z7_CLASS_NO_COPY(CLibrary);
// copy constructor is required here
public:
CLibrary(): _module(NULL) {}
~CLibrary() { Free(); }
CLibrary(const CLibrary &c): _module(NULL)
{
if (c._module)
{
// we need non const to reference from original item
// c._module = NULL;
throw 20230102;
}
}
HMODULE Get_HMODULE() const { return _module; }
// operator HMODULE() const { return _module; }
// HMODULE* operator&() { return &_module; }
bool IsLoaded() const { return (_module != NULL); }
void Attach(HMODULE m)
{
Free();
_module = m;
}
HMODULE Detach()
{
const HMODULE m = _module;
_module = NULL;
return m;
}
bool Free() throw();
bool LoadEx(CFSTR path, DWORD flags = LOAD_LIBRARY_AS_DATAFILE) throw();
bool Load(CFSTR path) throw();
// FARPROC
// void *GetProc(LPCSTR procName) const { return My_GetProcAddress(_module, procName); }
};
#else
class CLibrary
{
HMODULE _module;
// Z7_CLASS_NO_COPY(CLibrary);
public:
CLibrary(): _module(NULL) {}
~CLibrary() { Free(); }
HMODULE Get_HMODULE() const { return _module; }
bool Free() throw();
bool Load(CFSTR path) throw();
// FARPROC
// void *GetProc(LPCSTR procName) const; // { return My_GetProcAddress(_module, procName); }
};
#endif
bool MyGetModuleFileName(FString &path);
FString GetModuleDirPrefix();
}}
#endif
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