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 * @implemented
  37 */
  38 NTSTATUS NTAPI
  39 RtlGetVersion(IN OUT PRTL_OSVERSIONINFOW lpVersionInformation)
  40 {
  41     LONG i;
  42     ULONG MaxLength;
  43
  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
  53         if(((CmNtCSDVersion >> 8) & 0xFF) != 0)
  54         {
  55             MaxLength = (sizeof(lpVersionInformation->szCSDVersion) / sizeof(lpVersionInformation->szCSDVersion[0])) - 1;
  56             i = _snwprintf(lpVersionInformation->szCSDVersion,
  57                            MaxLength,
  58                            L"Service Pack %d",
  59                            ((CmNtCSDVersion >> 8) & 0xFF));
  60             if (i < 0)
  61             {
  62                 /* Null-terminate if it was overflowed */
  63                 lpVersionInformation->szCSDVersion[MaxLength] = L'\0';
  64             }
  65         }
  66
  67         if (lpVersionInformation->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
  68         {
  69             PRTL_OSVERSIONINFOEXW InfoEx = (PRTL_OSVERSIONINFOEXW)lpVersionInformation;
  70             InfoEx->wServicePackMajor = (USHORT)(CmNtCSDVersion >> 8) & 0xFF;
  71             InfoEx->wServicePackMinor = (USHORT)(CmNtCSDVersion & 0xFF);
  72             InfoEx->wSuiteMask = (USHORT)(SharedUserData->SuiteMask & 0xFFFF);
  73             InfoEx->wProductType = SharedUserData->NtProductType;
  74             InfoEx->wReserved = 0;
  75         }
  76
  77         return STATUS_SUCCESS;
  78     }
  79
  80     return STATUS_INVALID_PARAMETER;
  81 }
  82
  83 /* EOF */