text: /*
   * NT basis DLL
   *
   * This file contains the Rtl* API functions. These should be implementable.
   *
   * Copyright 1996-1998 Marcus Meissner
   * Copyright 1999      Alex Korobka
   * Copyright 2003      Thomas Mertes
   * Crc32 code Copyright 1986 Gary S. Brown (Public domain)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include "config.h"
  #include "wine/port.h"
  
  #include <stdlib.h>
  #include <stdarg.h>
  #include <stdio.h>
  #include <string.h>
  #ifdef HAVE_NETINET_IN_H
  #include <netinet/in.h>
  #endif
  #include "ntstatus.h"
  #define NONAMELESSSTRUCT
  #define WIN32_NO_STATUS
  #define USE_WS_PREFIX
  #include "windef.h"
  #include "winternl.h"
  #include "wine/debug.h"
  #include "wine/exception.h"
  #include "wine/unicode.h"
  #include "ntdll_misc.h"
  #include "inaddr.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  
  static RTL_CRITICAL_SECTION peb_lock;
  static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
  {
      0, 0, &peb_lock,
      { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
        0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
  };
  static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
  
  /* CRC polynomial 0xedb88320 */
  static const DWORD CRC_table[256] =
  {
      0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
      0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
      0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
      0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
      0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
      0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
      0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
      0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
      0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
      0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
      0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
      0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
      0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
      0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
      0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
      0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
      0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
      0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
      0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
      0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
      0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
      0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
      0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
      0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
      0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
      0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
      0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
      0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
      0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
      0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
      0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
      0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
      0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
      0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
      0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
      0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
      0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
      0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
      0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
      0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
      0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
      0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
      0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
  };
  
  /*
   *	resource functions
   */
  
  /***********************************************************************
   *           RtlInitializeResource	(NTDLL.@)
   *
   * xxxResource() functions implement multiple-reader-single-writer lock.
   * The code is based on information published in WDJ January 1999 issue.
   */
  void WINAPI RtlInitializeResource(LPRTL_RWLOCK rwl)
  {
      if( rwl )
      {
  	rwl->iNumberActive = 0;
  	rwl->uExclusiveWaiters = 0;
  	rwl->uSharedWaiters = 0;
  	rwl->hOwningThreadId = 0;
  	rwl->dwTimeoutBoost = 0; /* no info on this one, default value is 0 */
  	RtlInitializeCriticalSection( &rwl->rtlCS );
          rwl->rtlCS.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RTL_RWLOCK.rtlCS");
          NtCreateSemaphore( &rwl->hExclusiveReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
          NtCreateSemaphore( &rwl->hSharedReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
      }
  }
  
  
  /***********************************************************************
   *           RtlDeleteResource		(NTDLL.@)
   */
  void WINAPI RtlDeleteResource(LPRTL_RWLOCK rwl)
  {
      if( rwl )
      {
  	RtlEnterCriticalSection( &rwl->rtlCS );
  	if( rwl->iNumberActive || rwl->uExclusiveWaiters || rwl->uSharedWaiters )
  	    MESSAGE("Deleting active MRSW lock (%p), expect failure\n", rwl );
  	rwl->hOwningThreadId = 0;
  	rwl->uExclusiveWaiters = rwl->uSharedWaiters = 0;
  	rwl->iNumberActive = 0;
  	NtClose( rwl->hExclusiveReleaseSemaphore );
  	NtClose( rwl->hSharedReleaseSemaphore );
  	RtlLeaveCriticalSection( &rwl->rtlCS );
  	rwl->rtlCS.DebugInfo->Spare[0] = 0;
  	RtlDeleteCriticalSection( &rwl->rtlCS );
      }
  }
  
  
  /***********************************************************************
   *          RtlAcquireResourceExclusive	(NTDLL.@)
   */
  BYTE WINAPI RtlAcquireResourceExclusive(LPRTL_RWLOCK rwl, BYTE fWait)
  {
      BYTE retVal = 0;
      if( !rwl ) return 0;
  
  start:
      RtlEnterCriticalSection( &rwl->rtlCS );
      if( rwl->iNumberActive == 0 ) /* lock is free */
      {
  	rwl->iNumberActive = -1;
  	retVal = 1;
      }
      else if( rwl->iNumberActive < 0 ) /* exclusive lock in progress */
      {
  	 if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) )
  	 {
  	     retVal = 1;
  	     rwl->iNumberActive--;
  	     goto done;
  	 }
  wait:
  	 if( fWait )
  	 {
               NTSTATUS status;
  
  	     rwl->uExclusiveWaiters++;
  
  	     RtlLeaveCriticalSection( &rwl->rtlCS );
  	     status = NtWaitForSingleObject( rwl->hExclusiveReleaseSemaphore, FALSE, NULL );
  	     if( HIWORD(status) )
  		 goto done;
  	     goto start; /* restart the acquisition to avoid deadlocks */
  	 }
      }
      else  /* one or more shared locks are in progress */
  	 if( fWait )
  	     goto wait;
  
      if( retVal == 1 )
  	rwl->hOwningThreadId = ULongToHandle(GetCurrentThreadId());
  done:
      RtlLeaveCriticalSection( &rwl->rtlCS );
      return retVal;
  }
  
  /***********************************************************************
   *          RtlAcquireResourceShared	(NTDLL.@)
   */
  BYTE WINAPI RtlAcquireResourceShared(LPRTL_RWLOCK rwl, BYTE fWait)
  {
      NTSTATUS status = STATUS_UNSUCCESSFUL;
      BYTE retVal = 0;
      if( !rwl ) return 0;
  
  start:
      RtlEnterCriticalSection( &rwl->rtlCS );
      if( rwl->iNumberActive < 0 )
      {
  	if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) )
  	{
  	    rwl->iNumberActive--;
  	    retVal = 1;
  	    goto done;
  	}
  
  	if( fWait )
  	{
  	    rwl->uSharedWaiters++;
  	    RtlLeaveCriticalSection( &rwl->rtlCS );
  	    status = NtWaitForSingleObject( rwl->hSharedReleaseSemaphore, FALSE, NULL );
  	    if( HIWORD(status) )
  		goto done;
  	    goto start;
  	}
      }
      else
      {
  	if( status != STATUS_WAIT_0 ) /* otherwise RtlReleaseResource() has already done it */
  	    rwl->iNumberActive++;
  	retVal = 1;
      }
  done:
      RtlLeaveCriticalSection( &rwl->rtlCS );
      return retVal;
  }
  
  
  /***********************************************************************
   *           RtlReleaseResource		(NTDLL.@)
   */
  void WINAPI RtlReleaseResource(LPRTL_RWLOCK rwl)
  {
      RtlEnterCriticalSection( &rwl->rtlCS );
  
      if( rwl->iNumberActive > 0 ) /* have one or more readers */
      {
  	if( --rwl->iNumberActive == 0 )
  	{
  	    if( rwl->uExclusiveWaiters )
  	    {
  wake_exclusive:
  		rwl->uExclusiveWaiters--;
  		NtReleaseSemaphore( rwl->hExclusiveReleaseSemaphore, 1, NULL );
  	    }
  	}
      }
      else
      if( rwl->iNumberActive < 0 ) /* have a writer, possibly recursive */
      {
  	if( ++rwl->iNumberActive == 0 )
  	{
  	    rwl->hOwningThreadId = 0;
  	    if( rwl->uExclusiveWaiters )
  		goto wake_exclusive;
  	    else
  		if( rwl->uSharedWaiters )
  		{
  		    UINT n = rwl->uSharedWaiters;
  		    rwl->iNumberActive = rwl->uSharedWaiters; /* prevent new writers from joining until
  							       * all queued readers have done their thing */
  		    rwl->uSharedWaiters = 0;
  		    NtReleaseSemaphore( rwl->hSharedReleaseSemaphore, n, NULL );
  		}
  	}
      }
      RtlLeaveCriticalSection( &rwl->rtlCS );
  }
  
  
  /***********************************************************************
   *           RtlDumpResource		(NTDLL.@)
   */
  void WINAPI RtlDumpResource(LPRTL_RWLOCK rwl)
  {
      if( rwl )
      {
  	MESSAGE("RtlDumpResource(%p):\n\tactive count = %i\n\twaiting readers = %i\n\twaiting writers = %i\n",
  		rwl, rwl->iNumberActive, rwl->uSharedWaiters, rwl->uExclusiveWaiters );
  	if( rwl->iNumberActive )
  	    MESSAGE("\towner thread = %p\n", rwl->hOwningThreadId );
      }
  }
  
  /*
   *	misc functions
   */
  
  /******************************************************************************
   *	DbgPrint	[NTDLL.@]
   */
  NTSTATUS WINAPIV DbgPrint(LPCSTR fmt, ...)
  {
    char buf[512];
    __ms_va_list args;
  
    __ms_va_start(args, fmt);
    NTDLL__vsnprintf(buf, sizeof(buf), fmt, args);
    __ms_va_end(args);
  
    MESSAGE("DbgPrint says: %s",buf);
    /* hmm, raise exception? */
    return STATUS_SUCCESS;
  }
  
  
  /******************************************************************************
   *	DbgPrintEx	[NTDLL.@]
   */
  NTSTATUS WINAPIV DbgPrintEx(ULONG iComponentId, ULONG Level, LPCSTR fmt, ...)
  {
      NTSTATUS ret;
      __ms_va_list args;
  
      __ms_va_start(args, fmt);
      ret = vDbgPrintEx(iComponentId, Level, fmt, args);
      __ms_va_end(args);
      return ret;
  }
  
  /******************************************************************************
   *	vDbgPrintEx	[NTDLL.@]
   */
  NTSTATUS WINAPI vDbgPrintEx( ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args )
  {
      return vDbgPrintExWithPrefix( "", id, level, fmt, args );
  }
  
  /******************************************************************************
   *	vDbgPrintExWithPrefix  [NTDLL.@]
   */
  NTSTATUS WINAPI vDbgPrintExWithPrefix( LPCSTR prefix, ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args )
  {
      char buf[1024];
  
      NTDLL__vsnprintf(buf, sizeof(buf), fmt, args);
  
      switch (level & DPFLTR_MASK)
      {
      case DPFLTR_ERROR_LEVEL:   ERR("%s%x: %s", prefix, id, buf); break;
      case DPFLTR_WARNING_LEVEL: WARN("%s%x: %s", prefix, id, buf); break;
      case DPFLTR_TRACE_LEVEL:
      case DPFLTR_INFO_LEVEL:
      default:                   TRACE("%s%x: %s", prefix, id, buf); break;
      }
      return STATUS_SUCCESS;
  }
  
  /******************************************************************************
   *  RtlAcquirePebLock		[NTDLL.@]
   */
  VOID WINAPI RtlAcquirePebLock(void)
  {
      RtlEnterCriticalSection( &peb_lock );
  }
  
  /******************************************************************************
   *  RtlReleasePebLock		[NTDLL.@]
   */
  VOID WINAPI RtlReleasePebLock(void)
  {
      RtlLeaveCriticalSection( &peb_lock );
  }
  
  /******************************************************************************
   *  RtlNewSecurityObject		[NTDLL.@]
   */
  NTSTATUS WINAPI
  RtlNewSecurityObject( PSECURITY_DESCRIPTOR ParentDescriptor,
                        PSECURITY_DESCRIPTOR CreatorDescriptor,
                        PSECURITY_DESCRIPTOR *NewDescriptor,
                        BOOLEAN IsDirectoryObject,
                        HANDLE Token,
                        PGENERIC_MAPPING GenericMapping )
  {
      FIXME("(%p %p %p %d %p %p) stub!\n", ParentDescriptor, CreatorDescriptor,
            NewDescriptor, IsDirectoryObject, Token, GenericMapping);
      return STATUS_NOT_IMPLEMENTED;
  }
  
  /******************************************************************************
   *  RtlDeleteSecurityObject		[NTDLL.@]
   */
  NTSTATUS WINAPI
  RtlDeleteSecurityObject( PSECURITY_DESCRIPTOR *ObjectDescriptor )
  {
      FIXME("(%p) stub!\n", ObjectDescriptor);
      return STATUS_NOT_IMPLEMENTED;
  }
  
  /**************************************************************************
   *                 _chkstk				[NTDLL.@]
   *
   * Glorified "enter xxxx".
   */
  #ifdef __i386__
  __ASM_STDCALL_FUNC( _chkstk, 0,
                     "negl %eax\n\t"
                     "addl %esp,%eax\n\t"
                     "xchgl %esp,%eax\n\t"
                     "movl 0(%eax),%eax\n\t"  /* copy return address from old location */
                     "movl %eax,0(%esp)\n\t"
                     "ret" )
  #endif
  
  /**************************************************************************
   *                 _alloca_probe		        [NTDLL.@]
   *
   * Glorified "enter xxxx".
   */
  #ifdef __i386__
  __ASM_STDCALL_FUNC( _alloca_probe, 0,
                     "negl %eax\n\t"
                     "addl %esp,%eax\n\t"
                     "xchgl %esp,%eax\n\t"
                     "movl 0(%eax),%eax\n\t"  /* copy return address from old location */
                     "movl %eax,0(%esp)\n\t"
                     "ret" )
  #endif
  
  
  /******************************************************************************
   *  RtlInitializeGenericTable           [NTDLL.@]
   */
  PVOID WINAPI RtlInitializeGenericTable(PVOID pTable, PVOID arg2, PVOID arg3, PVOID arg4, PVOID arg5)
  {
    FIXME("(%p,%p,%p,%p,%p) stub!\n", pTable, arg2, arg3, arg4, arg5);
    return NULL;
  }
  
  /******************************************************************************
   *  RtlEnumerateGenericTableWithoutSplaying           [NTDLL.@]
   */
  PVOID RtlEnumerateGenericTableWithoutSplaying(PVOID pTable, PVOID *RestartKey)
  {
      static int warn_once;
  
      if (!warn_once++)
          FIXME("(%p,%p) stub!\n", pTable, RestartKey);
      return NULL;
  }
  
  /******************************************************************************
   *  RtlNumberGenericTableElements           [NTDLL.@]
   */
  ULONG RtlNumberGenericTableElements(PVOID pTable)
  {
      FIXME("(%p) stub!\n", pTable);
      return 0;
  }
  
  /******************************************************************************
   *  RtlMoveMemory   [NTDLL.@]
   *
   * Move a block of memory that may overlap.
   *
   * PARAMS
   *  Destination [O] End destination for block
   *  Source      [O] Where to start copying from
   *  Length      [I] Number of bytes to copy
   *
   * RETURNS
   *  Nothing.
   */
  #undef RtlMoveMemory
  VOID WINAPI RtlMoveMemory( VOID *Destination, CONST VOID *Source, SIZE_T Length )
  {
      memmove(Destination, Source, Length);
  }
  
  /******************************************************************************
   *  RtlFillMemory   [NTDLL.@]
   *
   * Set a block of memory with a value.
   *
   * PARAMS
   *  Destination [O] Block to fill
   *  Length      [I] Number of bytes to fill
   *  Fill        [I] Value to set
   *
   * RETURNS
   *  Nothing.
   */
  #undef RtlFillMemory
  VOID WINAPI RtlFillMemory( VOID *Destination, SIZE_T Length, BYTE Fill )
  {
      memset(Destination, Fill, Length);
  }
  
  /******************************************************************************
   *  RtlZeroMemory   [NTDLL.@]
   *
   * Set a block of memory with 0's.
   *
   * PARAMS
   *  Destination [O] Block to fill
   *  Length      [I] Number of bytes to fill
   *
   * RETURNS
   *  Nothing.
   */
  #undef RtlZeroMemory
  VOID WINAPI RtlZeroMemory( VOID *Destination, SIZE_T Length )
  {
      memset(Destination, 0, Length);
  }
  
  /******************************************************************************
   *  RtlCompareMemory   [NTDLL.@]
   *
   * Compare one block of memory with another
   *
   * PARAMS
   *  Source1 [I] Source block
   *  Source2 [I] Block to compare to Source1
   *  Length  [I] Number of bytes to compare
   *
   * RETURNS
   *  The length of the first byte at which Source1 and Source2 differ, or Length
   *  if they are the same.
   */
  SIZE_T WINAPI RtlCompareMemory( const VOID *Source1, const VOID *Source2, SIZE_T Length)
  {
      SIZE_T i;
      for(i=0; (i<Length) && (((const BYTE*)Source1)[i]==((const BYTE*)Source2)[i]); i++);
      return i;
  }
  
  /******************************************************************************
   *  RtlCompareMemoryUlong   [NTDLL.@]
   *
   * Compare a block of memory with a value, a ULONG at a time
   *
   * PARAMS
   *  Source1 [I] Source block. This must be ULONG aligned
   *  Length  [I] Number of bytes to compare. This should be a multiple of 4
   *  dwVal   [I] Value to compare to
   *
   * RETURNS
   *  The byte position of the first byte at which Source1 is not dwVal.
   */
  SIZE_T WINAPI RtlCompareMemoryUlong(const ULONG *Source1, SIZE_T Length, ULONG dwVal)
  {
      SIZE_T i;
      for(i = 0; i < Length/sizeof(ULONG) && Source1[i] == dwVal; i++);
      return i * sizeof(ULONG);
  }
  
  /******************************************************************************
   *  RtlAssert                           [NTDLL.@]
   *
   * Fail a debug assertion.
   *
   * RETURNS
   *  Nothing. This call does not return control to its caller.
   *
   * NOTES
   * Not implemented in non-debug versions.
   */
  void WINAPI RtlAssert(LPVOID x1,LPVOID x2,DWORD x3, DWORD x4)
  {
  	FIXME("(%p,%p,0x%08x,0x%08x),stub\n",x1,x2,x3,x4);
  }
  
  /*************************************************************************
   * RtlFillMemoryUlong   [NTDLL.@]
   *
   * Fill memory with a 32 bit (dword) value.
   *
   * PARAMS
   *  lpDest  [I] Bitmap pointer
   *  ulCount [I] Number of dwords to write
   *  ulValue [I] Value to fill with
   *
   * RETURNS
   *  Nothing.
   */
  VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue)
  {
    TRACE("(%p,%d,%d)\n", lpDest, ulCount, ulValue);
  
    ulCount /= sizeof(ULONG);
    while(ulCount--)
      *lpDest++ = ulValue;
  }
  
  /*********************************************************************
   *                  RtlComputeCrc32   [NTDLL.@]
   *
   * Calculate the CRC32 checksum of a block of bytes
   *
   * PARAMS
   *  dwInitial [I] Initial CRC value
   *  pData     [I] Data block
   *  iLen      [I] Length of the byte block
   *
   * RETURNS
   *  The cumulative CRC32 of dwInitial and iLen bytes of the pData block.
   */
  DWORD WINAPI RtlComputeCrc32(DWORD dwInitial, const BYTE *pData, INT iLen)
  {
    DWORD crc = ~dwInitial;
  
    TRACE("(%d,%p,%d)\n", dwInitial, pData, iLen);
  
    while (iLen > 0)
    {
      crc = CRC_table[(crc ^ *pData) & 0xff] ^ (crc >> 8);
      pData++;
      iLen--;
    }
    return ~crc;
  }
  
  
  /*************************************************************************
   * RtlUlonglongByteSwap    [NTDLL.@]
   *
   * Swap the bytes of an unsigned long long value.
   *
   * PARAMS
   *  i [I] Value to swap bytes of
   *
   * RETURNS
   *  The value with its bytes swapped.
   */
  ULONGLONG __cdecl RtlUlonglongByteSwap(ULONGLONG i)
  {
    return ((ULONGLONG)RtlUlongByteSwap(i) << 32) | RtlUlongByteSwap(i>>32);
  }
  
  /*************************************************************************
   * RtlUlongByteSwap    [NTDLL.@]
   *
   * Swap the bytes of an unsigned int value.
   *
   * NOTES
   *  ix86 version takes argument in %ecx. Other systems use the inline version.
   */
  #ifdef __i386__
  __ASM_GLOBAL_FUNC(NTDLL_RtlUlongByteSwap,
                    "movl %ecx,%eax\n\t"
                    "bswap %eax\n\t"
                    "ret")
  #endif
  
  /*************************************************************************
   * RtlUshortByteSwap    [NTDLL.@]
   *
   * Swap the bytes of an unsigned short value.
   *
   * NOTES
   *  i386 version takes argument in %cx. Other systems use the inline version.
   */
  #ifdef __i386__
  __ASM_GLOBAL_FUNC(NTDLL_RtlUshortByteSwap,
                    "movb %ch,%al\n\t"
                    "movb %cl,%ah\n\t"
                    "ret")
  #endif
  
  
  /*************************************************************************
   * RtlUniform   [NTDLL.@]
   *
   * Generates an uniform random number
   *
   * PARAMS
   *  seed [O] The seed of the Random function
   *
   * RETURNS
   *  It returns a random number uniformly distributed over [0..MAXLONG-1].
   *
   * NOTES
   *  Generates an uniform random number using D.H. Lehmer's 1948 algorithm.
   *  In our case the algorithm is:
   *
   *|  result = (*seed * 0x7fffffed + 0x7fffffc3) % MAXLONG;
   *|
   *|  *seed = result;
   *
   * DIFFERENCES
   *  The native documentation states that the random number is
   *  uniformly distributed over [0..MAXLONG]. In reality the native
   *  function and our function return a random number uniformly
   *  distributed over [0..MAXLONG-1].
   */
  ULONG WINAPI RtlUniform (PULONG seed)
  {
      ULONG result;
  
     /*
      * Instead of the algorithm stated above, we use the algorithm
      * below, which is totally equivalent (see the tests), but does
      * not use a division and therefore is faster.
      */
      result = *seed * 0xffffffed + 0x7fffffc3;
      if (result == 0xffffffff || result == 0x7ffffffe) {
  	result = (result + 2) & MAXLONG;
      } else if (result == 0x7fffffff) {
  	result = 0;
      } else if ((result & 0x80000000) == 0) {
  	result = result + (~result & 1);
      } else {
  	result = (result + (result & 1)) & MAXLONG;
      } /* if */
      *seed = result;
      return result;
  }
  
  
  /*************************************************************************
   * RtlRandom   [NTDLL.@]
   *
   * Generates a random number
   *
   * PARAMS
   *  seed [O] The seed of the Random function
   *
   * RETURNS
   *  It returns a random number distributed over [0..MAXLONG-1].
   */
  ULONG WINAPI RtlRandom (PULONG seed)
  {
      static ULONG saved_value[128] =
      { /*   0 */ 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626, 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa,
        /*   8 */ 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8, 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09,
        /*  16 */ 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5, 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311,
        /*  24 */ 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be, 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82,
        /*  32 */ 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4, 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd,
        /*  40 */ 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016, 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52,
        /*  48 */ 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c, 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb,
        /*  56 */ 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8, 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e,
        /*  64 */ 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb, 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0,
        /*  72 */ 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743, 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd,
        /*  80 */ 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78, 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35,
        /*  88 */ 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a, 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379,
        /*  96 */ 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d, 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd,
        /* 104 */ 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515, 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b,
        /* 112 */ 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975, 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b,
        /* 120 */ 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb, 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d };
      ULONG rand;
      int pos;
      ULONG result;
  
      rand = (*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
      *seed = (rand * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
      pos = *seed & 0x7f;
      result = saved_value[pos];
      saved_value[pos] = rand;
      return(result);
  }
  
  
  /*************************************************************************
   * RtlAreAllAccessesGranted   [NTDLL.@]
   *
   * Check if all desired accesses are granted
   *
   * RETURNS
   *  TRUE: All desired accesses are granted
   *  FALSE: Otherwise
   */
  BOOLEAN WINAPI RtlAreAllAccessesGranted(
      ACCESS_MASK GrantedAccess,
      ACCESS_MASK DesiredAccess)
  {
      return (GrantedAccess & DesiredAccess) == DesiredAccess;
  }
  
  
  /*************************************************************************
   * RtlAreAnyAccessesGranted   [NTDLL.@]
   *
   * Check if at least one of the desired accesses is granted
   *
   * PARAMS
   *  GrantedAccess [I] Access mask of granted accesses
   *  DesiredAccess [I] Access mask of desired accesses
   *
   * RETURNS
   *  TRUE: At least one of the desired accesses is granted
   *  FALSE: Otherwise
   */
  BOOLEAN WINAPI RtlAreAnyAccessesGranted(
      ACCESS_MASK GrantedAccess,
      ACCESS_MASK DesiredAccess)
  {
      return (GrantedAccess & DesiredAccess) != 0;
  }
  
  
  /*************************************************************************
   * RtlMapGenericMask   [NTDLL.@]
   *
   * Determine the nongeneric access rights specified by an access mask
   *
   * RETURNS
   *  Nothing.
   */
  void WINAPI RtlMapGenericMask(
      PACCESS_MASK AccessMask,
      const GENERIC_MAPPING *GenericMapping)
  {
      if (*AccessMask & GENERIC_READ) {
  	*AccessMask |= GenericMapping->GenericRead;
      } /* if */
  
      if (*AccessMask & GENERIC_WRITE) {
  	*AccessMask |= GenericMapping->GenericWrite;
      } /* if */
  
      if (*AccessMask & GENERIC_EXECUTE) {
  	*AccessMask |= GenericMapping->GenericExecute;
      } /* if */
  
      if (*AccessMask & GENERIC_ALL) {
  	*AccessMask |= GenericMapping->GenericAll;
      } /* if */
  
      *AccessMask &= 0x0FFFFFFF;
  }
  
  
  /*************************************************************************
   * RtlCopyLuid   [NTDLL.@]
   *
   * Copy a local unique ID.
   *
   * PARAMS
   *  LuidDest [O] Destination for the copied Luid
   *  LuidSrc  [I] Source Luid to copy to LuidDest
   *
   * RETURNS
   *  Nothing.
   */
  void WINAPI RtlCopyLuid (PLUID LuidDest, const LUID *LuidSrc)
  {
      *LuidDest = *LuidSrc;
  }
  
  
  /*************************************************************************
   * RtlEqualLuid   [NTDLL.@]
   *
   * Compare two local unique ID's.
   *
   * PARAMS
   *  Luid1 [I] First Luid to compare to Luid2
   *  Luid2 [I] Second Luid to compare to Luid1
   *
   * RETURNS
   *  TRUE: The two LUID's are equal.
   *  FALSE: Otherwise
   */
  BOOLEAN WINAPI RtlEqualLuid (const LUID *Luid1, const LUID *Luid2)
  {
    return (Luid1->LowPart ==  Luid2->LowPart && Luid1->HighPart == Luid2->HighPart);
  }
  
  
  /*************************************************************************
   * RtlCopyLuidAndAttributesArray   [NTDLL.@]
   *
   * Copy an array of local unique ID's and attributes.
   *
   * PARAMS
   *  Count [I] Number of Luid/attributes in Src
   *  Src   [I] Source Luid/attributes to copy
   *  Dest  [O] Destination for copied Luid/attributes
   *
   * RETURNS
   *  Nothing.
   *
   * NOTES
   *  Dest must be large enough to hold Src.
   */
  void WINAPI RtlCopyLuidAndAttributesArray(
      ULONG Count,
      const LUID_AND_ATTRIBUTES *Src,
      PLUID_AND_ATTRIBUTES Dest)
  {
      ULONG i;
  
      for (i = 0; i < Count; i++) Dest[i] = Src[i];
  }
  
  NTSTATUS WINAPI RtlIpv4StringToAddressExW(PULONG IP, PULONG Port,
                                            LPCWSTR Buffer, PULONG MaxSize)
  {
      FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
  
      return STATUS_SUCCESS;
  }
  
  /***********************************************************************
   * RtlIpv4AddressToStringExW [NTDLL.@]
   *
   * Convert the given ipv4 address and optional the port to a string
   *
   * PARAMS
   *  pin     [I]  PTR to the ip address to convert (network byte order)
   *  port    [I]  optional port to convert (network byte order)
   *  buffer  [O]  destination buffer for the result
   *  psize   [IO] PTR to available/used size of the destination buffer
   *
   * RETURNS
   *  Success: STATUS_SUCCESS
   *  Failure: STATUS_INVALID_PARAMETER
   *
   */
  NTSTATUS WINAPI RtlIpv4AddressToStringExW(const IN_ADDR *pin, USHORT port, LPWSTR buffer, PULONG psize)
  {
      WCHAR tmp_ip[32];
      static const WCHAR fmt_ip[] = {'%','u','.','%','u','.','%','u','.','%','u',0};
      static const WCHAR fmt_port[] = {':','%','u',0};
      ULONG needed;
  
      if (!pin || !buffer || !psize)
          return STATUS_INVALID_PARAMETER;
  
      TRACE("(%p:0x%x, %d, %p, %p:%d)\n", pin, pin->S_un.S_addr, port, buffer, psize, *psize);
  
      needed = sprintfW(tmp_ip, fmt_ip,
                        pin->S_un.S_un_b.s_b1, pin->S_un.S_un_b.s_b2,
                        pin->S_un.S_un_b.s_b3, pin->S_un.S_un_b.s_b4);
  
      if (port) needed += sprintfW(tmp_ip + needed, fmt_port, ntohs(port));
  
      if (*psize > needed) {
          *psize = needed + 1;
          strcpyW(buffer, tmp_ip);
          return STATUS_SUCCESS;
      }
  
      *psize = needed + 1;
      return STATUS_INVALID_PARAMETER;
  }
  
  /***********************************************************************
   * RtlIpv4AddressToStringExA [NTDLL.@]
   *
   * Convert the given ipv4 address and optional the port to a string
   *
   * See RtlIpv4AddressToStringExW
   */
  NTSTATUS WINAPI RtlIpv4AddressToStringExA(const IN_ADDR *pin, USHORT port, LPSTR buffer, PULONG psize)
  {
      CHAR tmp_ip[32];
      ULONG needed;
  
      if (!pin || !buffer || !psize)
          return STATUS_INVALID_PARAMETER;
  
      TRACE("(%p:0x%x, %d, %p, %p:%d)\n", pin, pin->S_un.S_addr, port, buffer, psize, *psize);
  
      needed = sprintf(tmp_ip, "%u.%u.%u.%u",
                       pin->S_un.S_un_b.s_b1, pin->S_un.S_un_b.s_b2,
                       pin->S_un.S_un_b.s_b3, pin->S_un.S_un_b.s_b4);
  
      if (port) needed += sprintf(tmp_ip + needed, ":%u", ntohs(port));
  
      if (*psize > needed) {
          *psize = needed + 1;
          strcpy(buffer, tmp_ip);
          return STATUS_SUCCESS;
      }
  
      *psize = needed + 1;
      return STATUS_INVALID_PARAMETER;
  }
  
  /***********************************************************************
   * RtlIpv4AddressToStringW [NTDLL.@]
   *
   * Convert the given ipv4 address to a string
   *
   * PARAMS
   *  pin     [I]  PTR to the ip address to convert (network byte order)
   *  buffer  [O]  destination buffer for the result (at least 16 character)
   *
   * RETURNS
   *  PTR to the 0 character at the end of the converted string
   *
   */
  WCHAR * WINAPI RtlIpv4AddressToStringW(const IN_ADDR *pin, LPWSTR buffer)
  {
      ULONG size = 16;
  
      if (RtlIpv4AddressToStringExW(pin, 0, buffer, &size)) size = 0;
      return buffer + size - 1;
  }
  
  /***********************************************************************
   * RtlIpv4AddressToStringA [NTDLL.@]
   *
   * Convert the given ipv4 address to a string
   *
   * See RtlIpv4AddressToStringW
   */
  CHAR * WINAPI RtlIpv4AddressToStringA(const IN_ADDR *pin, LPSTR buffer)
  {
      ULONG size = 16;
  
      if (RtlIpv4AddressToStringExA(pin, 0, buffer, &size)) size = 0;
      return buffer + size - 1;
  }
  
  /***********************************************************************
   * get_pointer_obfuscator (internal)
   */
  static DWORD_PTR get_pointer_obfuscator( void )
  {
      static DWORD_PTR pointer_obfuscator;
  
      if (!pointer_obfuscator)
      {
          ULONG seed = NtGetTickCount();
          ULONG_PTR rand;
  
          /* generate a random value for the obfuscator */
          rand = RtlUniform( &seed );
  
          /* handle 64bit pointers */
          rand ^= (ULONG_PTR)RtlUniform( &seed ) << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
  
          /* set the high bits so dereferencing obfuscated pointers will (usually) crash */
          rand |= (ULONG_PTR)0xc0000000 << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
  
          interlocked_cmpxchg_ptr( (void**) &pointer_obfuscator, (void*) rand, NULL );
      }
  
      return pointer_obfuscator;
  }
  
  /*************************************************************************
   * RtlEncodePointer   [NTDLL.@]
   */
  PVOID WINAPI RtlEncodePointer( PVOID ptr )
  {
      DWORD_PTR ptrval = (DWORD_PTR) ptr;
      return (PVOID)(ptrval ^ get_pointer_obfuscator());
  }
  
  PVOID WINAPI RtlDecodePointer( PVOID ptr )
  {
      DWORD_PTR ptrval = (DWORD_PTR) ptr;
      return (PVOID)(ptrval ^ get_pointer_obfuscator());
  }
  
  /*************************************************************************
   * RtlInitializeSListHead   [NTDLL.@]
   */
  VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER list)
  {
  #ifdef _WIN64
      list->s.Alignment = list->s.Region = 0;
      list->Header16.HeaderType = 1;  /* we use the 16-byte header */
  #else
      list->Alignment = 0;
  #endif
  }
  
  /*************************************************************************
   * RtlQueryDepthSList   [NTDLL.@]
   */
  WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER list)
  {
  #ifdef _WIN64
      return list->Header16.Depth;
  #else
      return list->s.Depth;
  #endif
  }
  
  /*************************************************************************
   * RtlFirstEntrySList   [NTDLL.@]
   */
  PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* list)
  {
  #ifdef _WIN64
      return (SLIST_ENTRY *)((ULONG_PTR)list->Header16.NextEntry << 4);
  #else
      return list->s.Next.Next;
  #endif
  }
  
  /*************************************************************************
   * RtlInterlockedFlushSList   [NTDLL.@]
   */
  PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER list)
  {
      SLIST_HEADER old, new;
  
  #ifdef _WIN64
      if (!list->Header16.Depth) return NULL;
      new.s.Alignment = new.s.Region = 0;
      new.Header16.HeaderType = 1;  /* we use the 16-byte header */
      do
      {
          old = *list;
          new.Header16.Sequence = old.Header16.Sequence + 1;
      } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
      return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
  #else
      if (!list->s.Depth) return NULL;
      new.Alignment = 0;
      do
      {
          old = *list;
          new.s.Sequence = old.s.Sequence + 1;
      } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
                                     old.Alignment) != old.Alignment);
      return old.s.Next.Next;
  #endif
  }
  
  /*************************************************************************
   * RtlInterlockedPushEntrySList   [NTDLL.@]
   */
  PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER list, PSLIST_ENTRY entry)
  {
      SLIST_HEADER old, new;
  
  #ifdef _WIN64
      new.Header16.NextEntry = (ULONG_PTR)entry >> 4;
      do
      {
          old = *list;
          entry->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
          new.Header16.Depth = old.Header16.Depth + 1;
          new.Header16.Sequence = old.Header16.Sequence + 1;
      } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
      return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
  #else
      new.s.Next.Next = entry;
      do
      {
          old = *list;
          entry->Next = old.s.Next.Next;
          new.s.Depth = old.s.Depth + 1;
          new.s.Sequence = old.s.Sequence + 1;
      } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
                                     old.Alignment) != old.Alignment);
      return old.s.Next.Next;
  #endif
  }
  
  /*************************************************************************
   * RtlInterlockedPopEntrySList   [NTDLL.@]
   */
  PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER list)
  {
      SLIST_HEADER old, new;
      PSLIST_ENTRY entry;
  
  #ifdef _WIN64
      do
      {
          old = *list;
          if (!(entry = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4))) return NULL;
          /* entry could be deleted by another thread */
          __TRY
          {
              new.Header16.NextEntry = (ULONG_PTR)entry->Next >> 4;
              new.Header16.Depth = old.Header16.Depth - 1;
              new.Header16.Sequence = old.Header16.Sequence + 1;
          }
          __EXCEPT_PAGE_FAULT
          {
          }
          __ENDTRY
      } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
  #else
      do
      {
          old = *list;
          if (!(entry = old.s.Next.Next)) return NULL;
          /* entry could be deleted by another thread */
          __TRY
          {
              new.s.Next.Next = entry->Next;
              new.s.Depth = old.s.Depth - 1;
              new.s.Sequence = old.s.Sequence + 1;
          }
          __EXCEPT_PAGE_FAULT
          {
          }
          __ENDTRY
      } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
                                     old.Alignment) != old.Alignment);
  #endif
      return entry;
  }
  
  /*************************************************************************
   * RtlInterlockedPushListSList   [NTDLL.@]
   */
  PSLIST_ENTRY WINAPI RtlInterlockedPushListSList(PSLIST_HEADER list, PSLIST_ENTRY first,
                                                  PSLIST_ENTRY last, ULONG count)
  {
      SLIST_HEADER old, new;
  
  #ifdef _WIN64
      new.Header16.NextEntry = (ULONG_PTR)first >> 4;
      do
      {
          old = *list;
          new.Header16.Depth = old.Header16.Depth + count;
          new.Header16.Sequence = old.Header16.Sequence + 1;
          last->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
      } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
      return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
  #else
      new.s.Next.Next = first;
      do
      {
          old = *list;
          new.s.Depth = old.s.Depth + count;
          new.s.Sequence = old.s.Sequence + 1;
          last->Next = old.s.Next.Next;
      } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
                                     old.Alignment) != old.Alignment);
      return old.s.Next.Next;
  #endif
  }
  
  /******************************************************************************
   *  RtlGetCompressionWorkSpaceSize		[NTDLL.@]
   */
  NTSTATUS WINAPI RtlGetCompressionWorkSpaceSize(USHORT CompressionFormatAndEngine,
                                                 PULONG CompressBufferWorkSpaceSize,
                                                 PULONG CompressFragmentWorkSpaceSize)
  {
      FIXME("0x%04x, %p, %p: stub!\n", CompressionFormatAndEngine, CompressBufferWorkSpaceSize,
           CompressFragmentWorkSpaceSize);
  
      return STATUS_NOT_IMPLEMENTED;
  }
  
  /******************************************************************************
   *  RtlCompressBuffer		[NTDLL.@]
   */
  NTSTATUS WINAPI RtlCompressBuffer(USHORT CompressionFormatAndEngine, PUCHAR UncompressedBuffer,
                                    ULONG UncompressedBufferSize, PUCHAR CompressedBuffer,
                                    ULONG CompressedBufferSize, ULONG UncompressedChunkSize,
                                    PULONG FinalCompressedSize, PVOID WorkSpace)
  {
      FIXME("0x%04x, %p, %u, %p, %u, %u, %p, %p :stub\n", CompressionFormatAndEngine, UncompressedBuffer,
           UncompressedBufferSize, CompressedBuffer, CompressedBufferSize, UncompressedChunkSize,
           FinalCompressedSize, WorkSpace);
  
      return STATUS_NOT_IMPLEMENTED;
  }
  
  /******************************************************************************
   *  RtlDecompressBuffer		[NTDLL.@]
   */
  NTSTATUS WINAPI RtlDecompressBuffer(USHORT CompressionFormat, PUCHAR UncompressedBuffer,
                                      ULONG UncompressedBufferSize, PUCHAR CompressedBuffer,
                                      ULONG CompressedBufferSize, PULONG FinalUncompressedSize)
  {
      FIXME("0x%04x, %p, %u, %p, %u, %p :stub\n", CompressionFormat, UncompressedBuffer, UncompressedBufferSize,
           CompressedBuffer, CompressedBufferSize, FinalUncompressedSize);
  
      return STATUS_NOT_IMPLEMENTED;
  }
  
  /***********************************************************************
   *  RtlSetThreadErrorMode 	[NTDLL.@]
   *
   * Set the thread local error mode.
   *
   * PARAMS
   *  mode    [I] The new error mode
   *  oldmode [O] Destination of the old error mode (may be NULL)
   *
   * RETURNS
   *  Success: STATUS_SUCCESS
   *  Failure: STATUS_INVALID_PARAMETER_1
   */
  NTSTATUS WINAPI RtlSetThreadErrorMode( DWORD mode, LPDWORD oldmode )
  {
      if (mode & ~0x70)
          return STATUS_INVALID_PARAMETER_1;
  
      if (oldmode)
          *oldmode = NtCurrentTeb()->HardErrorDisabled;
  
      NtCurrentTeb()->HardErrorDisabled = mode;
      return STATUS_SUCCESS;
  }
  
  /***********************************************************************
   *  RtlGetThreadErrorMode 	[NTDLL.@]
   *
   * Get the thread local error mode.
   *
   * PARAMS
   *  None.
   *
   * RETURNS
   *  The current thread local error mode.
   */
  DWORD WINAPI RtlGetThreadErrorMode( void )
  {
      return NtCurrentTeb()->HardErrorDisabled;
  }
  
  /******************************************************************************
   * RtlGetCurrentTransaction [NTDLL.@]
   */
  HANDLE WINAPI RtlGetCurrentTransaction(void)
  {
      FIXME("() :stub\n");
      return NULL;
  }
  
  /******************************************************************************
   * RtlSetCurrentTransaction [NTDLL.@]
   */
  BOOL WINAPI RtlSetCurrentTransaction(HANDLE new_transaction)
  {
      FIXME("(%p) :stub\n", new_transaction);
      return FALSE;
  }
  