reactos/ntoskrnl/rtl/misc.c

   1 /* $Id:$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            ntoskrnl/rtl/misc.c
   6  * PURPOSE:         Various functions
   7  *
   8  * PROGRAMMERS:     Hartmut Birr
   9  */
  10
  11 /* INCLUDES *****************************************************************/
  12
  13 #include <ntoskrnl.h>
  14 #define NDEBUG
  15 #include <internal/debug.h>
  16
  17 /* GLOBALS *******************************************************************/
  18
  19 extern ULONG NtGlobalFlag;
  20 extern ULONG NtMajorVersion;
  21 extern ULONG NtMinorVersion;
  22 extern ULONG NtOSCSDVersion;
  23
  24 /* header hell made me do this...sorry */
  25 typedef struct _OSVERSIONINFOW {
  26   DWORD dwOSVersionInfoSize;
  27   DWORD dwMajorVersion;
  28   DWORD dwMinorVersion;
  29   DWORD dwBuildNumber;
  30   DWORD dwPlatformId;
  31   WCHAR szCSDVersion[ 128 ];
  32 } OSVERSIONINFOW, *POSVERSIONINFOW, *LPOSVERSIONINFOW, RTL_OSVERSIONINFOW, *PRTL_OSVERSIONINFOW;
  33
  34 typedef struct _OSVERSIONINFOEXW {
  35  DWORD dwOSVersionInfoSize;
  36  DWORD dwMajorVersion;
  37  DWORD dwMinorVersion;
  38  DWORD dwBuildNumber;
  39  DWORD dwPlatformId;
  40  WCHAR szCSDVersion[ 128 ];
  41  WORD wServicePackMajor;
  42  WORD wServicePackMinor;
  43  WORD wSuiteMask;
  44  BYTE wProductType;
  45  BYTE wReserved;
  46 } OSVERSIONINFOEXW, *POSVERSIONINFOEXW, *LPOSVERSIONINFOEXW, RTL_OSVERSIONINFOEXW, *PRTL_OSVERSIONINFOEXW;
  47
  48 #ifndef VER_PLATFORM_WIN32_NT
  49 #define VER_PLATFORM_WIN32_NT   (2)
  50 #endif
  51
  52 /* FUNCTIONS *****************************************************************/
  53
  54 /*
  55 * @implemented
  56 */
  57 ULONG
  58 STDCALL
  59 RtlGetNtGlobalFlags(VOID)
  60 {
  61         return(NtGlobalFlag);
  62 }
  63
  64
  65 /*
  66 * @implemented
  67 */
  68 NTSTATUS STDCALL
  69 RtlGetVersion(IN OUT PRTL_OSVERSIONINFOW lpVersionInformation)
  70 {
  71    if (lpVersionInformation->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOW) ||
  72        lpVersionInformation->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
  73    {
  74       lpVersionInformation->dwMajorVersion = NtMajorVersion;
  75       lpVersionInformation->dwMinorVersion = NtMinorVersion;
  76       lpVersionInformation->dwBuildNumber = NtBuildNumber;
  77       lpVersionInformation->dwPlatformId = VER_PLATFORM_WIN32_NT;
  78       if(((NtOSCSDVersion >> 8) & 0xFF) != 0)
  79       {
  80         int i = _snwprintf(lpVersionInformation->szCSDVersion,
  81                            (sizeof(lpVersionInformation->szCSDVersion) / sizeof(lpVersionInformation->szCSDVersion[0])) - 1,
  82                            L"Service Pack %d",
  83                            ((NtOSCSDVersion >> 8) & 0xFF));
  84         lpVersionInformation->szCSDVersion[i] = L'\0';
  85       }
  86       else
  87       {
  88         RtlZeroMemory(lpVersionInformation->szCSDVersion, sizeof(lpVersionInformation->szCSDVersion));
  89       }
  90       if (lpVersionInformation->dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXW))
  91       {
  92          RTL_OSVERSIONINFOEXW *InfoEx = (RTL_OSVERSIONINFOEXW *)lpVersionInformation;
  93          InfoEx->wServicePackMajor = (NtOSCSDVersion >> 8) & 0xFF;
  94          InfoEx->wServicePackMinor = NtOSCSDVersion & 0xFF;
  95          InfoEx->wSuiteMask = SharedUserData->SuiteMask;
  96          InfoEx->wProductType = SharedUserData->NtProductType;
  97       }
  98
  99       return STATUS_SUCCESS;
 100    }
 101
 102    return STATUS_INVALID_PARAMETER;
 103 }
 104