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// Windows/DLL.cpp
#include "StdAfx.h"
#include "DLL.h"
#ifndef _UNICODE
extern bool g_IsNT;
#endif
extern HINSTANCE g_hInstance;
namespace NWindows {
namespace NDLL {
bool CLibrary::Free() throw()
{
if (_module == 0)
return true;
if (!::FreeLibrary(_module))
return false;
_module = 0;
return true;
}
bool CLibrary::LoadEx(CFSTR path, DWORD flags) throw()
{
if (!Free())
return false;
#ifndef _UNICODE
if (!g_IsNT)
{
_module = ::LoadLibraryEx(fs2fas(path), NULL, flags);
}
else
#endif
{
_module = ::LoadLibraryExW(fs2us(path), NULL, flags);
}
return (_module != NULL);
}
bool CLibrary::Load(CFSTR path) throw()
{
if (!Free())
return false;
#ifndef _UNICODE
if (!g_IsNT)
{
_module = ::LoadLibrary(fs2fas(path));
}
else
#endif
{
_module = ::LoadLibraryW(fs2us(path));
}
return (_module != NULL);
}
bool MyGetModuleFileName(FString &path)
{
HMODULE hModule = g_hInstance;
path.Empty();
#ifndef _UNICODE
if (!g_IsNT)
{
TCHAR s[MAX_PATH + 2];
s[0] = 0;
DWORD size = ::GetModuleFileName(hModule, s, MAX_PATH + 1);
if (size <= MAX_PATH && size != 0)
{
path = fas2fs(s);
return true;
}
}
else
#endif
{
WCHAR s[MAX_PATH + 2];
s[0] = 0;
DWORD size = ::GetModuleFileNameW(hModule, s, MAX_PATH + 1);
if (size <= MAX_PATH && size != 0)
{
path = us2fs(s);
return true;
}
}
return false;
}
#ifndef _SFX
FString GetModuleDirPrefix()
{
FString s;
if (MyGetModuleFileName(s))
{
int pos = s.ReverseFind(FCHAR_PATH_SEPARATOR);
if (pos >= 0)
{
s.DeleteFrom(pos + 1);
return s;
}
}
return FTEXT(".") FSTRING_PATH_SEPARATOR;
}
#endif
}}
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