mame/3rdparty/lzma/CPP/Windows/NtCheck.h
2015-01-11 08:10:25 +01:00

44 lines
881 B
C

// Windows/NtCheck.h
#ifndef __WINDOWS_NT_CHECK_H
#define __WINDOWS_NT_CHECK_H
#ifdef _WIN32
#if !defined(_WIN64) && !defined(UNDER_CE)
static inline bool IsItWindowsNT()
{
OSVERSIONINFO vi;
vi.dwOSVersionInfoSize = sizeof(vi);
return (::GetVersionEx(&vi) && vi.dwPlatformId == VER_PLATFORM_WIN32_NT);
}
#endif
#ifndef _UNICODE
#if defined(_WIN64) || defined(UNDER_CE)
bool g_IsNT = true;
#define SET_IS_NT
#else
bool g_IsNT = false;
#define SET_IS_NT g_IsNT = IsItWindowsNT();
#endif
#define NT_CHECK_ACTION
// #define NT_CHECK_ACTION { NT_CHECK_FAIL_ACTION }
#else
#if !defined(_WIN64) && !defined(UNDER_CE)
#define NT_CHECK_ACTION if (!IsItWindowsNT()) { NT_CHECK_FAIL_ACTION }
#else
#define NT_CHECK_ACTION
#endif
#define SET_IS_NT
#endif
#define NT_CHECK NT_CHECK_ACTION SET_IS_NT
#else
#define NT_CHECK
#endif
#endif