ole32: We do need to implement Commit/Revert for non-root storage.
[wine] / dlls / ntdll / rtl.c
1 /*
2  * NT basis DLL
3  *
4  * This file contains the Rtl* API functions. These should be implementable.
5  *
6  * Copyright 1996-1998 Marcus Meissner
7  * Copyright 1999      Alex Korobka
8  * Copyright 2003      Thomas Mertes
9  * Crc32 code Copyright 1986 Gary S. Brown (Public domain)
10  *
11  * This library is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU Lesser General Public
13  * License as published by the Free Software Foundation; either
14  * version 2.1 of the License, or (at your option) any later version.
15  *
16  * This library is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  * Lesser General Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser General Public
22  * License along with this library; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24  */
25
26 #include "config.h"
27 #include "wine/port.h"
28
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <stdio.h>
32 #include <string.h>
33 #include "ntstatus.h"
34 #define NONAMELESSSTRUCT
35 #define WIN32_NO_STATUS
36 #include "windef.h"
37 #include "winternl.h"
38 #include "wine/debug.h"
39 #include "wine/exception.h"
40 #include "ntdll_misc.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
43
44 static RTL_CRITICAL_SECTION peb_lock;
45 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
46 {
47     0, 0, &peb_lock,
48     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
49       0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
50 };
51 static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
52
53 /* CRC polynomial 0xedb88320 */
54 static const DWORD CRC_table[256] =
55 {
56     0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
57     0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
58     0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
59     0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
60     0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
61     0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
62     0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
63     0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
64     0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
65     0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
66     0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
67     0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
68     0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
69     0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
70     0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
71     0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
72     0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
73     0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
74     0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
75     0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
76     0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
77     0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
78     0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
79     0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
80     0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
81     0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
82     0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
83     0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
84     0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
85     0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
86     0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
87     0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
88     0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
89     0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
90     0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
91     0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
92     0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
93     0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
94     0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
95     0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
96     0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
97     0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
98     0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
99 };
100
101 /*
102  *      resource functions
103  */
104
105 /***********************************************************************
106  *           RtlInitializeResource      (NTDLL.@)
107  *
108  * xxxResource() functions implement multiple-reader-single-writer lock.
109  * The code is based on information published in WDJ January 1999 issue.
110  */
111 void WINAPI RtlInitializeResource(LPRTL_RWLOCK rwl)
112 {
113     if( rwl )
114     {
115         rwl->iNumberActive = 0;
116         rwl->uExclusiveWaiters = 0;
117         rwl->uSharedWaiters = 0;
118         rwl->hOwningThreadId = 0;
119         rwl->dwTimeoutBoost = 0; /* no info on this one, default value is 0 */
120         RtlInitializeCriticalSection( &rwl->rtlCS );
121         rwl->rtlCS.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RTL_RWLOCK.rtlCS");
122         NtCreateSemaphore( &rwl->hExclusiveReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
123         NtCreateSemaphore( &rwl->hSharedReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
124     }
125 }
126
127
128 /***********************************************************************
129  *           RtlDeleteResource          (NTDLL.@)
130  */
131 void WINAPI RtlDeleteResource(LPRTL_RWLOCK rwl)
132 {
133     if( rwl )
134     {
135         RtlEnterCriticalSection( &rwl->rtlCS );
136         if( rwl->iNumberActive || rwl->uExclusiveWaiters || rwl->uSharedWaiters )
137             MESSAGE("Deleting active MRSW lock (%p), expect failure\n", rwl );
138         rwl->hOwningThreadId = 0;
139         rwl->uExclusiveWaiters = rwl->uSharedWaiters = 0;
140         rwl->iNumberActive = 0;
141         NtClose( rwl->hExclusiveReleaseSemaphore );
142         NtClose( rwl->hSharedReleaseSemaphore );
143         RtlLeaveCriticalSection( &rwl->rtlCS );
144         rwl->rtlCS.DebugInfo->Spare[0] = 0;
145         RtlDeleteCriticalSection( &rwl->rtlCS );
146     }
147 }
148
149
150 /***********************************************************************
151  *          RtlAcquireResourceExclusive (NTDLL.@)
152  */
153 BYTE WINAPI RtlAcquireResourceExclusive(LPRTL_RWLOCK rwl, BYTE fWait)
154 {
155     BYTE retVal = 0;
156     if( !rwl ) return 0;
157
158 start:
159     RtlEnterCriticalSection( &rwl->rtlCS );
160     if( rwl->iNumberActive == 0 ) /* lock is free */
161     {
162         rwl->iNumberActive = -1;
163         retVal = 1;
164     }
165     else if( rwl->iNumberActive < 0 ) /* exclusive lock in progress */
166     {
167          if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) )
168          {
169              retVal = 1;
170              rwl->iNumberActive--;
171              goto done;
172          }
173 wait:
174          if( fWait )
175          {
176              NTSTATUS status;
177
178              rwl->uExclusiveWaiters++;
179
180              RtlLeaveCriticalSection( &rwl->rtlCS );
181              status = NtWaitForSingleObject( rwl->hExclusiveReleaseSemaphore, FALSE, NULL );
182              if( HIWORD(status) )
183                  goto done;
184              goto start; /* restart the acquisition to avoid deadlocks */
185          }
186     }
187     else  /* one or more shared locks are in progress */
188          if( fWait )
189              goto wait;
190
191     if( retVal == 1 )
192         rwl->hOwningThreadId = ULongToHandle(GetCurrentThreadId());
193 done:
194     RtlLeaveCriticalSection( &rwl->rtlCS );
195     return retVal;
196 }
197
198 /***********************************************************************
199  *          RtlAcquireResourceShared    (NTDLL.@)
200  */
201 BYTE WINAPI RtlAcquireResourceShared(LPRTL_RWLOCK rwl, BYTE fWait)
202 {
203     NTSTATUS status = STATUS_UNSUCCESSFUL;
204     BYTE retVal = 0;
205     if( !rwl ) return 0;
206
207 start:
208     RtlEnterCriticalSection( &rwl->rtlCS );
209     if( rwl->iNumberActive < 0 )
210     {
211         if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) )
212         {
213             rwl->iNumberActive--;
214             retVal = 1;
215             goto done;
216         }
217
218         if( fWait )
219         {
220             rwl->uSharedWaiters++;
221             RtlLeaveCriticalSection( &rwl->rtlCS );
222             status = NtWaitForSingleObject( rwl->hSharedReleaseSemaphore, FALSE, NULL );
223             if( HIWORD(status) )
224                 goto done;
225             goto start;
226         }
227     }
228     else
229     {
230         if( status != STATUS_WAIT_0 ) /* otherwise RtlReleaseResource() has already done it */
231             rwl->iNumberActive++;
232         retVal = 1;
233     }
234 done:
235     RtlLeaveCriticalSection( &rwl->rtlCS );
236     return retVal;
237 }
238
239
240 /***********************************************************************
241  *           RtlReleaseResource         (NTDLL.@)
242  */
243 void WINAPI RtlReleaseResource(LPRTL_RWLOCK rwl)
244 {
245     RtlEnterCriticalSection( &rwl->rtlCS );
246
247     if( rwl->iNumberActive > 0 ) /* have one or more readers */
248     {
249         if( --rwl->iNumberActive == 0 )
250         {
251             if( rwl->uExclusiveWaiters )
252             {
253 wake_exclusive:
254                 rwl->uExclusiveWaiters--;
255                 NtReleaseSemaphore( rwl->hExclusiveReleaseSemaphore, 1, NULL );
256             }
257         }
258     }
259     else
260     if( rwl->iNumberActive < 0 ) /* have a writer, possibly recursive */
261     {
262         if( ++rwl->iNumberActive == 0 )
263         {
264             rwl->hOwningThreadId = 0;
265             if( rwl->uExclusiveWaiters )
266                 goto wake_exclusive;
267             else
268                 if( rwl->uSharedWaiters )
269                 {
270                     UINT n = rwl->uSharedWaiters;
271                     rwl->iNumberActive = rwl->uSharedWaiters; /* prevent new writers from joining until
272                                                                * all queued readers have done their thing */
273                     rwl->uSharedWaiters = 0;
274                     NtReleaseSemaphore( rwl->hSharedReleaseSemaphore, n, NULL );
275                 }
276         }
277     }
278     RtlLeaveCriticalSection( &rwl->rtlCS );
279 }
280
281
282 /***********************************************************************
283  *           RtlDumpResource            (NTDLL.@)
284  */
285 void WINAPI RtlDumpResource(LPRTL_RWLOCK rwl)
286 {
287     if( rwl )
288     {
289         MESSAGE("RtlDumpResource(%p):\n\tactive count = %i\n\twaiting readers = %i\n\twaiting writers = %i\n",
290                 rwl, rwl->iNumberActive, rwl->uSharedWaiters, rwl->uExclusiveWaiters );
291         if( rwl->iNumberActive )
292             MESSAGE("\towner thread = %p\n", rwl->hOwningThreadId );
293     }
294 }
295
296 /*
297  *      misc functions
298  */
299
300 /******************************************************************************
301  *      DbgPrint        [NTDLL.@]
302  */
303 NTSTATUS WINAPIV DbgPrint(LPCSTR fmt, ...)
304 {
305   char buf[512];
306   __ms_va_list args;
307
308   __ms_va_start(args, fmt);
309   NTDLL__vsnprintf(buf, sizeof(buf), fmt, args);
310   __ms_va_end(args);
311
312   MESSAGE("DbgPrint says: %s",buf);
313   /* hmm, raise exception? */
314   return STATUS_SUCCESS;
315 }
316
317
318 /******************************************************************************
319  *      DbgPrintEx      [NTDLL.@]
320  */
321 NTSTATUS WINAPIV DbgPrintEx(ULONG iComponentId, ULONG Level, LPCSTR fmt, ...)
322 {
323     NTSTATUS ret;
324     __ms_va_list args;
325
326     __ms_va_start(args, fmt);
327     ret = vDbgPrintEx(iComponentId, Level, fmt, args);
328     __ms_va_end(args);
329     return ret;
330 }
331
332 /******************************************************************************
333  *      vDbgPrintEx     [NTDLL.@]
334  */
335 NTSTATUS WINAPI vDbgPrintEx( ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args )
336 {
337     return vDbgPrintExWithPrefix( "", id, level, fmt, args );
338 }
339
340 /******************************************************************************
341  *      vDbgPrintExWithPrefix  [NTDLL.@]
342  */
343 NTSTATUS WINAPI vDbgPrintExWithPrefix( LPCSTR prefix, ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args )
344 {
345     char buf[1024];
346
347     NTDLL__vsnprintf(buf, sizeof(buf), fmt, args);
348
349     switch (level & DPFLTR_MASK)
350     {
351     case DPFLTR_ERROR_LEVEL:   ERR("%s%x: %s", prefix, id, buf); break;
352     case DPFLTR_WARNING_LEVEL: WARN("%s%x: %s", prefix, id, buf); break;
353     case DPFLTR_TRACE_LEVEL:
354     case DPFLTR_INFO_LEVEL:
355     default:                   TRACE("%s%x: %s", prefix, id, buf); break;
356     }
357     return STATUS_SUCCESS;
358 }
359
360 /******************************************************************************
361  *  RtlAcquirePebLock           [NTDLL.@]
362  */
363 VOID WINAPI RtlAcquirePebLock(void)
364 {
365     RtlEnterCriticalSection( &peb_lock );
366 }
367
368 /******************************************************************************
369  *  RtlReleasePebLock           [NTDLL.@]
370  */
371 VOID WINAPI RtlReleasePebLock(void)
372 {
373     RtlLeaveCriticalSection( &peb_lock );
374 }
375
376 /******************************************************************************
377  *  RtlNewSecurityObject                [NTDLL.@]
378  */
379 NTSTATUS WINAPI
380 RtlNewSecurityObject( PSECURITY_DESCRIPTOR ParentDescriptor,
381                       PSECURITY_DESCRIPTOR CreatorDescriptor,
382                       PSECURITY_DESCRIPTOR *NewDescriptor,
383                       BOOLEAN IsDirectoryObject,
384                       HANDLE Token,
385                       PGENERIC_MAPPING GenericMapping )
386 {
387     FIXME("(%p %p %p %d %p %p) stub!\n", ParentDescriptor, CreatorDescriptor,
388           NewDescriptor, IsDirectoryObject, Token, GenericMapping);
389     return STATUS_NOT_IMPLEMENTED;
390 }
391
392 /******************************************************************************
393  *  RtlDeleteSecurityObject             [NTDLL.@]
394  */
395 NTSTATUS WINAPI
396 RtlDeleteSecurityObject( PSECURITY_DESCRIPTOR *ObjectDescriptor )
397 {
398     FIXME("(%p) stub!\n", ObjectDescriptor);
399     return STATUS_NOT_IMPLEMENTED;
400 }
401
402 /**************************************************************************
403  *                 _chkstk                              [NTDLL.@]
404  *
405  * Glorified "enter xxxx".
406  */
407 #ifdef __i386__
408 __ASM_STDCALL_FUNC( _chkstk, 0,
409                    "negl %eax\n\t"
410                    "addl %esp,%eax\n\t"
411                    "xchgl %esp,%eax\n\t"
412                    "movl 0(%eax),%eax\n\t"  /* copy return address from old location */
413                    "movl %eax,0(%esp)\n\t"
414                    "ret" )
415 #endif
416
417 /**************************************************************************
418  *                 _alloca_probe                        [NTDLL.@]
419  *
420  * Glorified "enter xxxx".
421  */
422 #ifdef __i386__
423 __ASM_STDCALL_FUNC( _alloca_probe, 0,
424                    "negl %eax\n\t"
425                    "addl %esp,%eax\n\t"
426                    "xchgl %esp,%eax\n\t"
427                    "movl 0(%eax),%eax\n\t"  /* copy return address from old location */
428                    "movl %eax,0(%esp)\n\t"
429                    "ret" )
430 #endif
431
432
433 /******************************************************************************
434  *  RtlInitializeGenericTable           [NTDLL.@]
435  */
436 PVOID WINAPI RtlInitializeGenericTable(PVOID pTable, PVOID arg2, PVOID arg3, PVOID arg4, PVOID arg5)
437 {
438   FIXME("(%p,%p,%p,%p,%p) stub!\n", pTable, arg2, arg3, arg4, arg5);
439   return NULL;
440 }
441
442 /******************************************************************************
443  *  RtlEnumerateGenericTableWithoutSplaying           [NTDLL.@]
444  */
445 PVOID RtlEnumerateGenericTableWithoutSplaying(PVOID pTable, PVOID *RestartKey)
446 {
447     FIXME("(%p,%p) stub!\n", pTable, RestartKey);
448     return NULL;
449 }
450
451 /******************************************************************************
452  *  RtlMoveMemory   [NTDLL.@]
453  *
454  * Move a block of memory that may overlap.
455  *
456  * PARAMS
457  *  Destination [O] End destination for block
458  *  Source      [O] Where to start copying from
459  *  Length      [I] Number of bytes to copy
460  *
461  * RETURNS
462  *  Nothing.
463  */
464 #undef RtlMoveMemory
465 VOID WINAPI RtlMoveMemory( VOID *Destination, CONST VOID *Source, SIZE_T Length )
466 {
467     memmove(Destination, Source, Length);
468 }
469
470 /******************************************************************************
471  *  RtlFillMemory   [NTDLL.@]
472  *
473  * Set a block of memory with a value.
474  *
475  * PARAMS
476  *  Destination [O] Block to fill
477  *  Length      [I] Number of bytes to fill
478  *  Fill        [I] Value to set
479  *
480  * RETURNS
481  *  Nothing.
482  */
483 #undef RtlFillMemory
484 VOID WINAPI RtlFillMemory( VOID *Destination, SIZE_T Length, BYTE Fill )
485 {
486     memset(Destination, Fill, Length);
487 }
488
489 /******************************************************************************
490  *  RtlZeroMemory   [NTDLL.@]
491  *
492  * Set a block of memory with 0's.
493  *
494  * PARAMS
495  *  Destination [O] Block to fill
496  *  Length      [I] Number of bytes to fill
497  *
498  * RETURNS
499  *  Nothing.
500  */
501 #undef RtlZeroMemory
502 VOID WINAPI RtlZeroMemory( VOID *Destination, SIZE_T Length )
503 {
504     memset(Destination, 0, Length);
505 }
506
507 /******************************************************************************
508  *  RtlCompareMemory   [NTDLL.@]
509  *
510  * Compare one block of memory with another
511  *
512  * PARAMS
513  *  Source1 [I] Source block
514  *  Source2 [I] Block to compare to Source1
515  *  Length  [I] Number of bytes to compare
516  *
517  * RETURNS
518  *  The length of the first byte at which Source1 and Source2 differ, or Length
519  *  if they are the same.
520  */
521 SIZE_T WINAPI RtlCompareMemory( const VOID *Source1, const VOID *Source2, SIZE_T Length)
522 {
523     SIZE_T i;
524     for(i=0; (i<Length) && (((const BYTE*)Source1)[i]==((const BYTE*)Source2)[i]); i++);
525     return i;
526 }
527
528 /******************************************************************************
529  *  RtlCompareMemoryUlong   [NTDLL.@]
530  *
531  * Compare a block of memory with a value, a ULONG at a time
532  *
533  * PARAMS
534  *  Source1 [I] Source block. This must be ULONG aligned
535  *  Length  [I] Number of bytes to compare. This should be a multiple of 4
536  *  dwVal   [I] Value to compare to
537  *
538  * RETURNS
539  *  The byte position of the first byte at which Source1 is not dwVal.
540  */
541 SIZE_T WINAPI RtlCompareMemoryUlong(const ULONG *Source1, SIZE_T Length, ULONG dwVal)
542 {
543     SIZE_T i;
544     for(i = 0; i < Length/sizeof(ULONG) && Source1[i] == dwVal; i++);
545     return i * sizeof(ULONG);
546 }
547
548 /******************************************************************************
549  *  RtlAssert                           [NTDLL.@]
550  *
551  * Fail a debug assertion.
552  *
553  * RETURNS
554  *  Nothing. This call does not return control to its caller.
555  *
556  * NOTES
557  * Not implemented in non-debug versions.
558  */
559 void WINAPI RtlAssert(LPVOID x1,LPVOID x2,DWORD x3, DWORD x4)
560 {
561         FIXME("(%p,%p,0x%08x,0x%08x),stub\n",x1,x2,x3,x4);
562 }
563
564 /*************************************************************************
565  * RtlFillMemoryUlong   [NTDLL.@]
566  *
567  * Fill memory with a 32 bit (dword) value.
568  *
569  * PARAMS
570  *  lpDest  [I] Bitmap pointer
571  *  ulCount [I] Number of dwords to write
572  *  ulValue [I] Value to fill with
573  *
574  * RETURNS
575  *  Nothing.
576  */
577 VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue)
578 {
579   TRACE("(%p,%d,%d)\n", lpDest, ulCount, ulValue);
580
581   ulCount /= sizeof(ULONG);
582   while(ulCount--)
583     *lpDest++ = ulValue;
584 }
585
586 /*********************************************************************
587  *                  RtlComputeCrc32   [NTDLL.@]
588  *
589  * Calculate the CRC32 checksum of a block of bytes
590  *
591  * PARAMS
592  *  dwInitial [I] Initial CRC value
593  *  pData     [I] Data block
594  *  iLen      [I] Length of the byte block
595  *
596  * RETURNS
597  *  The cumulative CRC32 of dwInitial and iLen bytes of the pData block.
598  */
599 DWORD WINAPI RtlComputeCrc32(DWORD dwInitial, const BYTE *pData, INT iLen)
600 {
601   DWORD crc = ~dwInitial;
602
603   TRACE("(%d,%p,%d)\n", dwInitial, pData, iLen);
604
605   while (iLen > 0)
606   {
607     crc = CRC_table[(crc ^ *pData) & 0xff] ^ (crc >> 8);
608     pData++;
609     iLen--;
610   }
611   return ~crc;
612 }
613
614
615 /*************************************************************************
616  * RtlUlonglongByteSwap    [NTDLL.@]
617  *
618  * Swap the bytes of an unsigned long long value.
619  *
620  * PARAMS
621  *  i [I] Value to swap bytes of
622  *
623  * RETURNS
624  *  The value with its bytes swapped.
625  */
626 ULONGLONG __cdecl RtlUlonglongByteSwap(ULONGLONG i)
627 {
628   return ((ULONGLONG)RtlUlongByteSwap(i) << 32) | RtlUlongByteSwap(i>>32);
629 }
630
631 /*************************************************************************
632  * RtlUlongByteSwap    [NTDLL.@]
633  *
634  * Swap the bytes of an unsigned int value.
635  *
636  * NOTES
637  *  ix86 version takes argument in %ecx. Other systems use the inline version.
638  */
639 #ifdef __i386__
640 __ASM_GLOBAL_FUNC(NTDLL_RtlUlongByteSwap,
641                   "movl %ecx,%eax\n\t"
642                   "bswap %eax\n\t"
643                   "ret")
644 #endif
645
646 /*************************************************************************
647  * RtlUshortByteSwap    [NTDLL.@]
648  *
649  * Swap the bytes of an unsigned short value.
650  *
651  * NOTES
652  *  i386 version takes argument in %cx. Other systems use the inline version.
653  */
654 #ifdef __i386__
655 __ASM_GLOBAL_FUNC(NTDLL_RtlUshortByteSwap,
656                   "movb %ch,%al\n\t"
657                   "movb %cl,%ah\n\t"
658                   "ret")
659 #endif
660
661
662 /*************************************************************************
663  * RtlUniform   [NTDLL.@]
664  *
665  * Generates an uniform random number
666  *
667  * PARAMS
668  *  seed [O] The seed of the Random function
669  *
670  * RETURNS
671  *  It returns a random number uniformly distributed over [0..MAXLONG-1].
672  *
673  * NOTES
674  *  Generates an uniform random number using D.H. Lehmer's 1948 algorithm.
675  *  In our case the algorithm is:
676  *
677  *|  result = (*seed * 0x7fffffed + 0x7fffffc3) % MAXLONG;
678  *|
679  *|  *seed = result;
680  *
681  * DIFFERENCES
682  *  The native documentation states that the random number is
683  *  uniformly distributed over [0..MAXLONG]. In reality the native
684  *  function and our function return a random number uniformly
685  *  distributed over [0..MAXLONG-1].
686  */
687 ULONG WINAPI RtlUniform (PULONG seed)
688 {
689     ULONG result;
690
691    /*
692     * Instead of the algorithm stated above, we use the algorithm
693     * below, which is totally equivalent (see the tests), but does
694     * not use a division and therefore is faster.
695     */
696     result = *seed * 0xffffffed + 0x7fffffc3;
697     if (result == 0xffffffff || result == 0x7ffffffe) {
698         result = (result + 2) & MAXLONG;
699     } else if (result == 0x7fffffff) {
700         result = 0;
701     } else if ((result & 0x80000000) == 0) {
702         result = result + (~result & 1);
703     } else {
704         result = (result + (result & 1)) & MAXLONG;
705     } /* if */
706     *seed = result;
707     return result;
708 }
709
710
711 /*************************************************************************
712  * RtlRandom   [NTDLL.@]
713  *
714  * Generates a random number
715  *
716  * PARAMS
717  *  seed [O] The seed of the Random function
718  *
719  * RETURNS
720  *  It returns a random number distributed over [0..MAXLONG-1].
721  */
722 ULONG WINAPI RtlRandom (PULONG seed)
723 {
724     static ULONG saved_value[128] =
725     { /*   0 */ 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626, 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa,
726       /*   8 */ 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8, 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09,
727       /*  16 */ 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5, 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311,
728       /*  24 */ 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be, 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82,
729       /*  32 */ 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4, 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd,
730       /*  40 */ 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016, 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52,
731       /*  48 */ 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c, 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb,
732       /*  56 */ 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8, 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e,
733       /*  64 */ 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb, 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0,
734       /*  72 */ 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743, 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd,
735       /*  80 */ 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78, 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35,
736       /*  88 */ 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a, 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379,
737       /*  96 */ 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d, 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd,
738       /* 104 */ 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515, 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b,
739       /* 112 */ 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975, 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b,
740       /* 120 */ 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb, 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d };
741     ULONG rand;
742     int pos;
743     ULONG result;
744
745     rand = (*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
746     *seed = (rand * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
747     pos = *seed & 0x7f;
748     result = saved_value[pos];
749     saved_value[pos] = rand;
750     return(result);
751 }
752
753
754 /*************************************************************************
755  * RtlAreAllAccessesGranted   [NTDLL.@]
756  *
757  * Check if all desired accesses are granted
758  *
759  * RETURNS
760  *  TRUE: All desired accesses are granted
761  *  FALSE: Otherwise
762  */
763 BOOLEAN WINAPI RtlAreAllAccessesGranted(
764     ACCESS_MASK GrantedAccess,
765     ACCESS_MASK DesiredAccess)
766 {
767     return (GrantedAccess & DesiredAccess) == DesiredAccess;
768 }
769
770
771 /*************************************************************************
772  * RtlAreAnyAccessesGranted   [NTDLL.@]
773  *
774  * Check if at least one of the desired accesses is granted
775  *
776  * PARAMS
777  *  GrantedAccess [I] Access mask of granted accesses
778  *  DesiredAccess [I] Access mask of desired accesses
779  *
780  * RETURNS
781  *  TRUE: At least one of the desired accesses is granted
782  *  FALSE: Otherwise
783  */
784 BOOLEAN WINAPI RtlAreAnyAccessesGranted(
785     ACCESS_MASK GrantedAccess,
786     ACCESS_MASK DesiredAccess)
787 {
788     return (GrantedAccess & DesiredAccess) != 0;
789 }
790
791
792 /*************************************************************************
793  * RtlMapGenericMask   [NTDLL.@]
794  *
795  * Determine the nongeneric access rights specified by an access mask
796  *
797  * RETURNS
798  *  Nothing.
799  */
800 void WINAPI RtlMapGenericMask(
801     PACCESS_MASK AccessMask,
802     const GENERIC_MAPPING *GenericMapping)
803 {
804     if (*AccessMask & GENERIC_READ) {
805         *AccessMask |= GenericMapping->GenericRead;
806     } /* if */
807
808     if (*AccessMask & GENERIC_WRITE) {
809         *AccessMask |= GenericMapping->GenericWrite;
810     } /* if */
811
812     if (*AccessMask & GENERIC_EXECUTE) {
813         *AccessMask |= GenericMapping->GenericExecute;
814     } /* if */
815
816     if (*AccessMask & GENERIC_ALL) {
817         *AccessMask |= GenericMapping->GenericAll;
818     } /* if */
819
820     *AccessMask &= 0x0FFFFFFF;
821 }
822
823
824 /*************************************************************************
825  * RtlCopyLuid   [NTDLL.@]
826  *
827  * Copy a local unique ID.
828  *
829  * PARAMS
830  *  LuidDest [O] Destination for the copied Luid
831  *  LuidSrc  [I] Source Luid to copy to LuidDest
832  *
833  * RETURNS
834  *  Nothing.
835  */
836 void WINAPI RtlCopyLuid (PLUID LuidDest, const LUID *LuidSrc)
837 {
838     *LuidDest = *LuidSrc;
839 }
840
841
842 /*************************************************************************
843  * RtlEqualLuid   [NTDLL.@]
844  *
845  * Compare two local unique ID's.
846  *
847  * PARAMS
848  *  Luid1 [I] First Luid to compare to Luid2
849  *  Luid2 [I] Second Luid to compare to Luid1
850  *
851  * RETURNS
852  *  TRUE: The two LUID's are equal.
853  *  FALSE: Otherwise
854  */
855 BOOLEAN WINAPI RtlEqualLuid (const LUID *Luid1, const LUID *Luid2)
856 {
857   return (Luid1->LowPart ==  Luid2->LowPart && Luid1->HighPart == Luid2->HighPart);
858 }
859
860
861 /*************************************************************************
862  * RtlCopyLuidAndAttributesArray   [NTDLL.@]
863  *
864  * Copy an array of local unique ID's and attributes.
865  *
866  * PARAMS
867  *  Count [I] Number of Luid/attributes in Src
868  *  Src   [I] Source Luid/attributes to copy
869  *  Dest  [O] Destination for copied Luid/attributes
870  *
871  * RETURNS
872  *  Nothing.
873  *
874  * NOTES
875  *  Dest must be large enough to hold Src.
876  */
877 void WINAPI RtlCopyLuidAndAttributesArray(
878     ULONG Count,
879     const LUID_AND_ATTRIBUTES *Src,
880     PLUID_AND_ATTRIBUTES Dest)
881 {
882     ULONG i;
883
884     for (i = 0; i < Count; i++) Dest[i] = Src[i];
885 }
886
887 NTSTATUS WINAPI RtlIpv4StringToAddressExW(PULONG IP, PULONG Port,
888                                           LPCWSTR Buffer, PULONG MaxSize)
889 {
890     FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
891
892     return STATUS_SUCCESS;
893 }
894
895 NTSTATUS WINAPI RtlIpv4AddressToStringExW (PULONG IP, PULONG Port,
896                                            LPWSTR Buffer, PULONG MaxSize)
897 {
898     FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
899
900     return STATUS_SUCCESS;
901 }
902
903 static DWORD_PTR get_pointer_obfuscator( void )
904 {
905     static DWORD_PTR pointer_obfuscator;
906
907     if (!pointer_obfuscator)
908     {
909         ULONG seed = NtGetTickCount();
910         ULONG_PTR rand;
911
912         /* generate a random value for the obfuscator */
913         rand = RtlUniform( &seed );
914
915         /* handle 64bit pointers */
916         rand ^= (ULONG_PTR)RtlUniform( &seed ) << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
917
918         /* set the high bits so dereferencing obfuscated pointers will (usually) crash */
919         rand |= (ULONG_PTR)0xc0000000 << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
920
921         interlocked_cmpxchg_ptr( (void**) &pointer_obfuscator, (void*) rand, NULL );
922     }
923
924     return pointer_obfuscator;
925 }
926
927 /*************************************************************************
928  * RtlEncodePointer   [NTDLL.@]
929  */
930 PVOID WINAPI RtlEncodePointer( PVOID ptr )
931 {
932     DWORD_PTR ptrval = (DWORD_PTR) ptr;
933     return (PVOID)(ptrval ^ get_pointer_obfuscator());
934 }
935
936 PVOID WINAPI RtlDecodePointer( PVOID ptr )
937 {
938     DWORD_PTR ptrval = (DWORD_PTR) ptr;
939     return (PVOID)(ptrval ^ get_pointer_obfuscator());
940 }
941
942 /*************************************************************************
943  * RtlInitializeSListHead   [NTDLL.@]
944  */
945 VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER list)
946 {
947 #ifdef _WIN64
948     list->s.Alignment = list->s.Region = 0;
949     list->Header16.HeaderType = 1;  /* we use the 16-byte header */
950 #else
951     list->Alignment = 0;
952 #endif
953 }
954
955 /*************************************************************************
956  * RtlQueryDepthSList   [NTDLL.@]
957  */
958 WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER list)
959 {
960 #ifdef _WIN64
961     return list->Header16.Depth;
962 #else
963     return list->s.Depth;
964 #endif
965 }
966
967 /*************************************************************************
968  * RtlFirstEntrySList   [NTDLL.@]
969  */
970 PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* list)
971 {
972 #ifdef _WIN64
973     return (SLIST_ENTRY *)((ULONG_PTR)list->Header16.NextEntry << 4);
974 #else
975     return list->s.Next.Next;
976 #endif
977 }
978
979 /*************************************************************************
980  * RtlInterlockedFlushSList   [NTDLL.@]
981  */
982 PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER list)
983 {
984     SLIST_HEADER old, new;
985
986 #ifdef _WIN64
987     if (!list->Header16.Depth) return NULL;
988     new.s.Alignment = new.s.Region = 0;
989     new.Header16.HeaderType = 1;  /* we use the 16-byte header */
990     do
991     {
992         old = *list;
993         new.Header16.Sequence = old.Header16.Sequence + 1;
994     } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
995     return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
996 #else
997     if (!list->s.Depth) return NULL;
998     new.Alignment = 0;
999     do
1000     {
1001         old = *list;
1002         new.s.Sequence = old.s.Sequence + 1;
1003     } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1004                                    old.Alignment) != old.Alignment);
1005     return old.s.Next.Next;
1006 #endif
1007 }
1008
1009 /*************************************************************************
1010  * RtlInterlockedPushEntrySList   [NTDLL.@]
1011  */
1012 PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER list, PSLIST_ENTRY entry)
1013 {
1014     SLIST_HEADER old, new;
1015
1016 #ifdef _WIN64
1017     new.Header16.NextEntry = (ULONG_PTR)entry >> 4;
1018     do
1019     {
1020         old = *list;
1021         entry->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1022         new.Header16.Depth = old.Header16.Depth + 1;
1023         new.Header16.Sequence = old.Header16.Sequence + 1;
1024     } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1025     return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1026 #else
1027     new.s.Next.Next = entry;
1028     do
1029     {
1030         old = *list;
1031         entry->Next = old.s.Next.Next;
1032         new.s.Depth = old.s.Depth + 1;
1033         new.s.Sequence = old.s.Sequence + 1;
1034     } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1035                                    old.Alignment) != old.Alignment);
1036     return old.s.Next.Next;
1037 #endif
1038 }
1039
1040 /*************************************************************************
1041  * RtlInterlockedPopEntrySList   [NTDLL.@]
1042  */
1043 PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER list)
1044 {
1045     SLIST_HEADER old, new;
1046     PSLIST_ENTRY entry;
1047
1048 #ifdef _WIN64
1049     do
1050     {
1051         old = *list;
1052         if (!(entry = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4))) return NULL;
1053         /* entry could be deleted by another thread */
1054         __TRY
1055         {
1056             new.Header16.NextEntry = (ULONG_PTR)entry->Next >> 4;
1057             new.Header16.Depth = old.Header16.Depth - 1;
1058             new.Header16.Sequence = old.Header16.Sequence + 1;
1059         }
1060         __EXCEPT_PAGE_FAULT
1061         {
1062         }
1063         __ENDTRY
1064     } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1065 #else
1066     do
1067     {
1068         old = *list;
1069         if (!(entry = old.s.Next.Next)) return NULL;
1070         /* entry could be deleted by another thread */
1071         __TRY
1072         {
1073             new.s.Next.Next = entry->Next;
1074             new.s.Depth = old.s.Depth - 1;
1075             new.s.Sequence = old.s.Sequence + 1;
1076         }
1077         __EXCEPT_PAGE_FAULT
1078         {
1079         }
1080         __ENDTRY
1081     } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1082                                    old.Alignment) != old.Alignment);
1083 #endif
1084     return entry;
1085 }
1086
1087 /*************************************************************************
1088  * RtlInterlockedPushListSList   [NTDLL.@]
1089  */
1090 PSLIST_ENTRY WINAPI RtlInterlockedPushListSList(PSLIST_HEADER list, PSLIST_ENTRY first,
1091                                                 PSLIST_ENTRY last, ULONG count)
1092 {
1093     SLIST_HEADER old, new;
1094
1095 #ifdef _WIN64
1096     new.Header16.NextEntry = (ULONG_PTR)first >> 4;
1097     do
1098     {
1099         old = *list;
1100         new.Header16.Depth = old.Header16.Depth + count;
1101         new.Header16.Sequence = old.Header16.Sequence + 1;
1102         last->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1103     } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1104     return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1105 #else
1106     new.s.Next.Next = first;
1107     do
1108     {
1109         old = *list;
1110         new.s.Depth = old.s.Depth + count;
1111         new.s.Sequence = old.s.Sequence + 1;
1112         last->Next = old.s.Next.Next;
1113     } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1114                                    old.Alignment) != old.Alignment);
1115     return old.s.Next.Next;
1116 #endif
1117 }
1118
1119 /******************************************************************************
1120  *  RtlGetCompressionWorkSpaceSize              [NTDLL.@]
1121  */
1122 NTSTATUS WINAPI RtlGetCompressionWorkSpaceSize(USHORT CompressionFormatAndEngine,
1123                                                PULONG CompressBufferWorkSpaceSize,
1124                                                PULONG CompressFragmentWorkSpaceSize)
1125 {
1126     FIXME("0x%04x, %p, %p: stub!\n", CompressionFormatAndEngine, CompressBufferWorkSpaceSize,
1127          CompressFragmentWorkSpaceSize);
1128
1129     return STATUS_NOT_IMPLEMENTED;
1130 }
1131
1132 /******************************************************************************
1133  *  RtlCompressBuffer           [NTDLL.@]
1134  */
1135 NTSTATUS WINAPI RtlCompressBuffer(USHORT CompressionFormatAndEngine, PUCHAR UncompressedBuffer,
1136                                   ULONG UncompressedBufferSize, PUCHAR CompressedBuffer,
1137                                   ULONG CompressedBufferSize, ULONG UncompressedChunkSize,
1138                                   PULONG FinalCompressedSize, PVOID WorkSpace)
1139 {
1140     FIXME("0x%04x, %p, %u, %p, %u, %u, %p, %p :stub\n", CompressionFormatAndEngine, UncompressedBuffer,
1141          UncompressedBufferSize, CompressedBuffer, CompressedBufferSize, UncompressedChunkSize,
1142          FinalCompressedSize, WorkSpace);
1143
1144     return STATUS_NOT_IMPLEMENTED;
1145 }
1146
1147 /******************************************************************************
1148  *  RtlDecompressBuffer         [NTDLL.@]
1149  */
1150 NTSTATUS WINAPI RtlDecompressBuffer(USHORT CompressionFormat, PUCHAR UncompressedBuffer,
1151                                     ULONG UncompressedBufferSize, PUCHAR CompressedBuffer,
1152                                     ULONG CompressedBufferSize, PULONG FinalUncompressedSize)
1153 {
1154     FIXME("0x%04x, %p, %u, %p, %u, %p :stub\n", CompressionFormat, UncompressedBuffer, UncompressedBufferSize,
1155          CompressedBuffer, CompressedBufferSize, FinalUncompressedSize);
1156
1157     return STATUS_NOT_IMPLEMENTED;
1158 }