QuietUnrar/libunrar/isnt.cpp

#include "rar.hpp"

#ifdef _WIN_ALL
DWORD WinNT()
{
  static int dwPlatformId=-1;
  static DWORD dwMajorVersion,dwMinorVersion;
  if (dwPlatformId==-1)
  {
    OSVERSIONINFO WinVer;
    WinVer.dwOSVersionInfoSize=sizeof(WinVer);
    GetVersionEx(&WinVer);
    dwPlatformId=WinVer.dwPlatformId;
    dwMajorVersion=WinVer.dwMajorVersion;
    dwMinorVersion=WinVer.dwMinorVersion;
  }
  DWORD Result=0;
  if (dwPlatformId==VER_PLATFORM_WIN32_NT)
    Result=dwMajorVersion*0x100+dwMinorVersion;


  return Result;
}
#endif