dll/ntdll/rtl/version.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS system libraries
   4  * FILE:            lib/ntdll/rtl/process.c
   5  * PURPOSE:         Process functions
   6  * PROGRAMMER:      Ariadne ( ariadne@xs4all.nl)
   7  * UPDATE HISTORY:
   8  *                  Created 01/11/98
   9  */
  10
  11 /* INCLUDES ****************************************************************/
  12
  13 #include <ntdll.h>
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17 /* FUNCTIONS ****************************************************************/
  18
  19 /**********************************************************************
  20  * NAME                                                 EXPORTED
  21  *      RtlGetNtProductType
  22  *
  23  * DESCRIPTION
  24  *      Retrieves the OS product type.
  25  *
  26  * ARGUMENTS
  27  *      ProductType     Pointer to the product type variable.
  28  *
  29  * RETURN VALUE
  30  *      TRUE if successful, otherwise FALSE
  31  *
  32  * NOTE
  33  *      ProductType can be one of the following values:
  34  *        1     Workstation (Winnt)
  35  *        2     Server (Lanmannt)
  36  *        3     Advanced Server (Servernt)
  37  *
  38  * REVISIONS
  39  *      2000-08-10 ekohl
  40  *
  41  * @implemented
  42  */
  43
  44 BOOLEAN NTAPI
  45 RtlGetNtProductType(PNT_PRODUCT_TYPE ProductType)
  46 {
  47   *ProductType = SharedUserData->NtProductType;
  48   return(TRUE);
  49 }
  50
  51 /**********************************************************************
  52  * NAME                                                 EXPORTED
  53  *      RtlGetNtVersionNumbers
  54  *
  55  * DESCRIPTION
  56  *      Get the version numbers of the run time library.
  57  *
  58  * ARGUMENTS
  59  *      major [OUT]     Destination for the Major version
  60  *      minor [OUT]     Destination for the Minor version
  61  *      build [OUT]     Destination for the Build version
  62  *
  63  * RETURN VALUE
  64  *      Nothing.
  65  *
  66  * NOTE
  67  *      Introduced in Windows XP (NT5.1)
  68  *
  69  * @implemented
  70  */
  71
  72 void NTAPI
  73 RtlGetNtVersionNumbers(LPDWORD major, LPDWORD minor, LPDWORD build)
  74 {
  75         PPEB pPeb = NtCurrentPeb();
  76
  77         if (major)
  78         {
  79                 /* msvcrt.dll as released with XP Home fails in DLLMain() if the
  80                  * major version is not 5. So, we should never set a version < 5 ...
  81                  * This makes sense since this call didn't exist before XP anyway.
  82                  */
  83                 *major = pPeb->OSMajorVersion < 5 ? 5 : pPeb->OSMajorVersion;
  84         }
  85
  86         if (minor)
  87         {
  88                 if (pPeb->OSMinorVersion <= 5)
  89                         *minor = pPeb->OSMinorVersion < 1 ? 1 : pPeb->OSMinorVersion;
  90                 else
  91                         *minor = pPeb->OSMinorVersion;
  92         }
  93
  94         if (build)
  95         {
  96                 /* FIXME: Does anybody know the real formula? */
  97                 *build = (0xF0000000 | pPeb->OSBuildNumber);
  98         }
  99 }
 100
 101 /*
 102 * @implemented
 103 */
 104 NTSTATUS NTAPI
 105 RtlGetVersion(RTL_OSVERSIONINFOW *Info)
 106 {
 107    LONG i, MaxLength;
 108
 109    if (Info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOW) ||
 110        Info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
 111    {
 112       PPEB Peb = NtCurrentPeb();
 113
 114       Info->dwMajorVersion = Peb->OSMajorVersion;
 115       Info->dwMinorVersion = Peb->OSMinorVersion;
 116       Info->dwBuildNumber = Peb->OSBuildNumber;
 117       Info->dwPlatformId = Peb->OSPlatformId;
 118       RtlZeroMemory(Info->szCSDVersion, sizeof(Info->szCSDVersion));
 119       if(((Peb->OSCSDVersion >> 8) & 0xFF) != 0)
 120       {
 121         MaxLength = (sizeof(Info->szCSDVersion) / sizeof(Info->szCSDVersion[0])) - 1;
 122         i = _snwprintf(Info->szCSDVersion,
 123                        MaxLength,
 124                        L"Service Pack %d",
 125                        ((Peb->OSCSDVersion >> 8) & 0xFF));
 126         if (i < 0)
 127         {
 128            /* null-terminate if it was overflowed */
 129            Info->szCSDVersion[MaxLength] = L'\0';
 130         }
 131       }
 132       if (Info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
 133       {
 134          RTL_OSVERSIONINFOEXW *InfoEx = (RTL_OSVERSIONINFOEXW *)Info;
 135          InfoEx->wServicePackMajor = (Peb->OSCSDVersion >> 8) & 0xFF;
 136          InfoEx->wServicePackMinor = Peb->OSCSDVersion & 0xFF;
 137          InfoEx->wSuiteMask = SharedUserData->SuiteMask;
 138          InfoEx->wProductType = SharedUserData->NtProductType;
 139       }
 140
 141       return STATUS_SUCCESS;
 142    }
 143
 144    return STATUS_INVALID_PARAMETER;
 145 }
 146
 147 /* EOF */