ntoskrnl/rtl/misc.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntoskrnl/rtl/misc.c
   5  * PURPOSE:         Various functions
   6  *
   7  * PROGRAMMERS:
   8  */
   9
  10 /* INCLUDES *****************************************************************/
  11
  12 #include <ntoskrnl.h>
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* GLOBALS *******************************************************************/
  17
  18 extern ULONG NtGlobalFlag;
  19 extern ULONG NtMajorVersion;
  20 extern ULONG NtMinorVersion;
  21 extern ULONG NtOSCSDVersion;
  22
  23 /* FUNCTIONS *****************************************************************/
  24
  25 /*
  26 * @implemented
  27 */
  28 ULONG
  29 NTAPI
  30 RtlGetNtGlobalFlags(VOID)
  31 {
  32         return(NtGlobalFlag);
  33 }
  34
  35
  36 /*
  37 * @implemented
  38 */
  39 NTSTATUS NTAPI
  40 RtlGetVersion(IN OUT PRTL_OSVERSIONINFOW lpVersionInformation)
  41 {
  42    LONG i;
  43    ULONG MaxLength;
  44    if (lpVersionInformation->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOW) ||
  45        lpVersionInformation->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
  46    {
  47       lpVersionInformation->dwMajorVersion = NtMajorVersion;
  48       lpVersionInformation->dwMinorVersion = NtMinorVersion;
  49       lpVersionInformation->dwBuildNumber = NtBuildNumber;
  50       lpVersionInformation->dwPlatformId = VER_PLATFORM_WIN32_NT;
  51       RtlZeroMemory(lpVersionInformation->szCSDVersion, sizeof(lpVersionInformation->szCSDVersion));
  52       if(((CmNtCSDVersion >> 8) & 0xFF) != 0)
  53       {
  54         MaxLength = (sizeof(lpVersionInformation->szCSDVersion) / sizeof(lpVersionInformation->szCSDVersion[0])) - 1;
  55         i = _snwprintf(lpVersionInformation->szCSDVersion,
  56                        MaxLength,
  57                        L"Service Pack %d",
  58                        ((CmNtCSDVersion >> 8) & 0xFF));
  59         if (i < 0)
  60         {
  61            /* null-terminate if it was overflowed */
  62            lpVersionInformation->szCSDVersion[MaxLength] = L'\0';
  63         }
  64       }
  65       if (lpVersionInformation->dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXW))
  66       {
  67          RTL_OSVERSIONINFOEXW *InfoEx = (RTL_OSVERSIONINFOEXW *)lpVersionInformation;
  68          InfoEx->wServicePackMajor = (USHORT)(CmNtCSDVersion >> 8) & 0xFF;
  69          InfoEx->wServicePackMinor = (USHORT)(CmNtCSDVersion & 0xFF);
  70          InfoEx->wSuiteMask = (USHORT)SharedUserData->SuiteMask;
  71          InfoEx->wProductType = SharedUserData->NtProductType;
  72       }
  73
  74       return STATUS_SUCCESS;
  75    }
  76
  77    return STATUS_INVALID_PARAMETER;
  78 }
  79