4 * This file contains the Rtl* API functions. These should be implementable.
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)
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.
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.
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
27 #include "wine/port.h"
34 #define WIN32_NO_STATUS
37 #include "wine/debug.h"
38 #include "wine/exception.h"
39 #include "ntdll_misc.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
43 static RTL_CRITICAL_SECTION peb_lock;
44 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
47 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
48 0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
50 static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
52 /* CRC polynomial 0xedb88320 */
53 static const DWORD CRC_table[256] =
55 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
56 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
57 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
58 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
59 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
60 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
61 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
62 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
63 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
64 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
65 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
66 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
67 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
68 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
69 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
70 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
71 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
72 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
73 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
74 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
75 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
76 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
77 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
78 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
79 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
80 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
81 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
82 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
83 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
84 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
85 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
86 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
87 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
88 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
89 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
90 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
91 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
92 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
93 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
94 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
95 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
96 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
97 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
104 /***********************************************************************
105 * RtlInitializeResource (NTDLL.@)
107 * xxxResource() functions implement multiple-reader-single-writer lock.
108 * The code is based on information published in WDJ January 1999 issue.
110 void WINAPI RtlInitializeResource(LPRTL_RWLOCK rwl)
114 rwl->iNumberActive = 0;
115 rwl->uExclusiveWaiters = 0;
116 rwl->uSharedWaiters = 0;
117 rwl->hOwningThreadId = 0;
118 rwl->dwTimeoutBoost = 0; /* no info on this one, default value is 0 */
119 RtlInitializeCriticalSection( &rwl->rtlCS );
120 NtCreateSemaphore( &rwl->hExclusiveReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
121 NtCreateSemaphore( &rwl->hSharedReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
126 /***********************************************************************
127 * RtlDeleteResource (NTDLL.@)
129 void WINAPI RtlDeleteResource(LPRTL_RWLOCK rwl)
133 RtlEnterCriticalSection( &rwl->rtlCS );
134 if( rwl->iNumberActive || rwl->uExclusiveWaiters || rwl->uSharedWaiters )
135 MESSAGE("Deleting active MRSW lock (%p), expect failure\n", rwl );
136 rwl->hOwningThreadId = 0;
137 rwl->uExclusiveWaiters = rwl->uSharedWaiters = 0;
138 rwl->iNumberActive = 0;
139 NtClose( rwl->hExclusiveReleaseSemaphore );
140 NtClose( rwl->hSharedReleaseSemaphore );
141 RtlLeaveCriticalSection( &rwl->rtlCS );
142 RtlDeleteCriticalSection( &rwl->rtlCS );
147 /***********************************************************************
148 * RtlAcquireResourceExclusive (NTDLL.@)
150 BYTE WINAPI RtlAcquireResourceExclusive(LPRTL_RWLOCK rwl, BYTE fWait)
156 RtlEnterCriticalSection( &rwl->rtlCS );
157 if( rwl->iNumberActive == 0 ) /* lock is free */
159 rwl->iNumberActive = -1;
162 else if( rwl->iNumberActive < 0 ) /* exclusive lock in progress */
164 if( rwl->hOwningThreadId == (HANDLE)GetCurrentThreadId() )
167 rwl->iNumberActive--;
175 rwl->uExclusiveWaiters++;
177 RtlLeaveCriticalSection( &rwl->rtlCS );
178 status = NtWaitForSingleObject( rwl->hExclusiveReleaseSemaphore, FALSE, NULL );
181 goto start; /* restart the acquisition to avoid deadlocks */
184 else /* one or more shared locks are in progress */
189 rwl->hOwningThreadId = (HANDLE)GetCurrentThreadId();
191 RtlLeaveCriticalSection( &rwl->rtlCS );
195 /***********************************************************************
196 * RtlAcquireResourceShared (NTDLL.@)
198 BYTE WINAPI RtlAcquireResourceShared(LPRTL_RWLOCK rwl, BYTE fWait)
200 NTSTATUS status = STATUS_UNSUCCESSFUL;
205 RtlEnterCriticalSection( &rwl->rtlCS );
206 if( rwl->iNumberActive < 0 )
208 if( rwl->hOwningThreadId == (HANDLE)GetCurrentThreadId() )
210 rwl->iNumberActive--;
217 rwl->uSharedWaiters++;
218 RtlLeaveCriticalSection( &rwl->rtlCS );
219 status = NtWaitForSingleObject( rwl->hSharedReleaseSemaphore, FALSE, NULL );
227 if( status != STATUS_WAIT_0 ) /* otherwise RtlReleaseResource() has already done it */
228 rwl->iNumberActive++;
232 RtlLeaveCriticalSection( &rwl->rtlCS );
237 /***********************************************************************
238 * RtlReleaseResource (NTDLL.@)
240 void WINAPI RtlReleaseResource(LPRTL_RWLOCK rwl)
242 RtlEnterCriticalSection( &rwl->rtlCS );
244 if( rwl->iNumberActive > 0 ) /* have one or more readers */
246 if( --rwl->iNumberActive == 0 )
248 if( rwl->uExclusiveWaiters )
251 rwl->uExclusiveWaiters--;
252 NtReleaseSemaphore( rwl->hExclusiveReleaseSemaphore, 1, NULL );
257 if( rwl->iNumberActive < 0 ) /* have a writer, possibly recursive */
259 if( ++rwl->iNumberActive == 0 )
261 rwl->hOwningThreadId = 0;
262 if( rwl->uExclusiveWaiters )
265 if( rwl->uSharedWaiters )
267 UINT n = rwl->uSharedWaiters;
268 rwl->iNumberActive = rwl->uSharedWaiters; /* prevent new writers from joining until
269 * all queued readers have done their thing */
270 rwl->uSharedWaiters = 0;
271 NtReleaseSemaphore( rwl->hSharedReleaseSemaphore, n, NULL );
275 RtlLeaveCriticalSection( &rwl->rtlCS );
279 /***********************************************************************
280 * RtlDumpResource (NTDLL.@)
282 void WINAPI RtlDumpResource(LPRTL_RWLOCK rwl)
286 MESSAGE("RtlDumpResource(%p):\n\tactive count = %i\n\twaiting readers = %i\n\twaiting writers = %i\n",
287 rwl, rwl->iNumberActive, rwl->uSharedWaiters, rwl->uExclusiveWaiters );
288 if( rwl->iNumberActive )
289 MESSAGE("\towner thread = %p\n", rwl->hOwningThreadId );
297 /******************************************************************************
300 NTSTATUS WINAPIV DbgPrint(LPCSTR fmt, ...)
306 vsprintf(buf,fmt, args);
309 MESSAGE("DbgPrint says: %s",buf);
310 /* hmm, raise exception? */
311 return STATUS_SUCCESS;
315 /******************************************************************************
316 * DbgPrintEx [NTDLL.@]
318 NTSTATUS WINAPIV DbgPrintEx(ULONG iComponentId, ULONG Level, LPCSTR fmt, ...)
324 ret = vDbgPrintEx(iComponentId, Level, fmt, args);
329 /******************************************************************************
330 * vDbgPrintEx [NTDLL.@]
332 NTSTATUS WINAPI vDbgPrintEx( ULONG id, ULONG level, LPCSTR fmt, va_list args )
334 return vDbgPrintExWithPrefix( "", id, level, fmt, args );
337 /******************************************************************************
338 * vDbgPrintExWithPrefix [NTDLL.@]
340 NTSTATUS WINAPI vDbgPrintExWithPrefix( LPCSTR prefix, ULONG id, ULONG level, LPCSTR fmt, va_list args )
344 vsprintf(buf, fmt, args);
346 switch (level & DPFLTR_MASK)
348 case DPFLTR_ERROR_LEVEL: ERR("%s%x: %s", prefix, id, buf); break;
349 case DPFLTR_WARNING_LEVEL: WARN("%s%x: %s", prefix, id, buf); break;
350 case DPFLTR_TRACE_LEVEL:
351 case DPFLTR_INFO_LEVEL:
352 default: TRACE("%s%x: %s", prefix, id, buf); break;
354 return STATUS_SUCCESS;
357 /******************************************************************************
358 * RtlAcquirePebLock [NTDLL.@]
360 VOID WINAPI RtlAcquirePebLock(void)
362 RtlEnterCriticalSection( &peb_lock );
365 /******************************************************************************
366 * RtlReleasePebLock [NTDLL.@]
368 VOID WINAPI RtlReleasePebLock(void)
370 RtlLeaveCriticalSection( &peb_lock );
373 /******************************************************************************
374 * RtlNewSecurityObject [NTDLL.@]
377 RtlNewSecurityObject( PSECURITY_DESCRIPTOR ParentDescriptor,
378 PSECURITY_DESCRIPTOR CreatorDescriptor,
379 PSECURITY_DESCRIPTOR *NewDescriptor,
380 BOOLEAN IsDirectoryObject,
382 PGENERIC_MAPPING GenericMapping )
384 FIXME("(%p %p %p %d %p %p) stub!\n", ParentDescriptor, CreatorDescriptor,
385 NewDescriptor, IsDirectoryObject, Token, GenericMapping);
386 return STATUS_NOT_IMPLEMENTED;
389 /******************************************************************************
390 * RtlDeleteSecurityObject [NTDLL.@]
393 RtlDeleteSecurityObject( PSECURITY_DESCRIPTOR *ObjectDescriptor )
395 FIXME("(%p) stub!\n", ObjectDescriptor);
396 return STATUS_NOT_IMPLEMENTED;
399 /**************************************************************************
402 * Glorified "enter xxxx".
405 __ASM_GLOBAL_FUNC( _chkstk,
408 "xchgl %esp,%eax\n\t"
409 "movl 0(%eax),%eax\n\t" /* copy return address from old location */
410 "movl %eax,0(%esp)\n\t"
414 /**************************************************************************
415 * _alloca_probe [NTDLL.@]
417 * Glorified "enter xxxx".
420 __ASM_GLOBAL_FUNC( _alloca_probe,
423 "xchgl %esp,%eax\n\t"
424 "movl 0(%eax),%eax\n\t" /* copy return address from old location */
425 "movl %eax,0(%esp)\n\t"
430 /******************************************************************************
431 * RtlInitializeGenericTable [NTDLL.@]
433 PVOID WINAPI RtlInitializeGenericTable(PVOID pTable, PVOID arg2, PVOID arg3, PVOID arg4, PVOID arg5)
435 FIXME("(%p,%p,%p,%p,%p) stub!\n", pTable, arg2, arg3, arg4, arg5);
439 /******************************************************************************
440 * RtlMoveMemory [NTDLL.@]
442 * Move a block of memory that may overlap.
445 * Destination [O] End destination for block
446 * Source [O] Where to start copying from
447 * Length [I] Number of bytes to copy
453 VOID WINAPI RtlMoveMemory( VOID *Destination, CONST VOID *Source, SIZE_T Length )
455 memmove(Destination, Source, Length);
458 /******************************************************************************
459 * RtlFillMemory [NTDLL.@]
461 * Set a block of memory with a value.
464 * Destination [O] Block to fill
465 * Length [I] Number of bytes to fill
466 * Fill [I] Value to set
472 VOID WINAPI RtlFillMemory( VOID *Destination, SIZE_T Length, BYTE Fill )
474 memset(Destination, Fill, Length);
477 /******************************************************************************
478 * RtlZeroMemory [NTDLL.@]
480 * Set a block of memory with 0's.
483 * Destination [O] Block to fill
484 * Length [I] Number of bytes to fill
490 VOID WINAPI RtlZeroMemory( VOID *Destination, SIZE_T Length )
492 memset(Destination, 0, Length);
495 /******************************************************************************
496 * RtlCompareMemory [NTDLL.@]
498 * Compare one block of memory with another
501 * Source1 [I] Source block
502 * Source2 [I] Block to compare to Source1
503 * Length [I] Number of bytes to compare
506 * The length of the first byte at which Source1 and Source2 differ, or Length
507 * if they are the same.
509 SIZE_T WINAPI RtlCompareMemory( const VOID *Source1, const VOID *Source2, SIZE_T Length)
512 for(i=0; (i<Length) && (((const BYTE*)Source1)[i]==((const BYTE*)Source2)[i]); i++);
516 /******************************************************************************
517 * RtlCompareMemoryUlong [NTDLL.@]
519 * Compare a block of memory with a value, a ULONG at a time
522 * Source1 [I] Source block. This must be ULONG aligned
523 * Length [I] Number of bytes to compare. This should be a multiple of 4
524 * dwVal [I] Value to compare to
527 * The byte position of the first byte at which Source1 is not dwVal.
529 SIZE_T WINAPI RtlCompareMemoryUlong(const ULONG *Source1, SIZE_T Length, ULONG dwVal)
532 for(i = 0; i < Length/sizeof(ULONG) && Source1[i] == dwVal; i++);
533 return i * sizeof(ULONG);
536 /******************************************************************************
537 * RtlAssert [NTDLL.@]
539 * Fail a debug assertion.
542 * Nothing. This call does not return control to its caller.
545 * Not implemented in non-debug versions.
547 void WINAPI RtlAssert(LPVOID x1,LPVOID x2,DWORD x3, DWORD x4)
549 FIXME("(%p,%p,0x%08x,0x%08x),stub\n",x1,x2,x3,x4);
552 /*************************************************************************
553 * RtlFillMemoryUlong [NTDLL.@]
555 * Fill memory with a 32 bit (dword) value.
558 * lpDest [I] Bitmap pointer
559 * ulCount [I] Number of dwords to write
560 * ulValue [I] Value to fill with
565 VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue)
567 TRACE("(%p,%d,%d)\n", lpDest, ulCount, ulValue);
569 ulCount /= sizeof(ULONG);
574 /*********************************************************************
575 * RtlComputeCrc32 [NTDLL.@]
577 * Calculate the CRC32 checksum of a block of bytes
580 * dwInitial [I] Initial CRC value
581 * pData [I] Data block
582 * iLen [I] Length of the byte block
585 * The cumulative CRC32 of dwInitial and iLen bytes of the pData block.
587 DWORD WINAPI RtlComputeCrc32(DWORD dwInitial, const BYTE *pData, INT iLen)
589 DWORD crc = ~dwInitial;
591 TRACE("(%d,%p,%d)\n", dwInitial, pData, iLen);
595 crc = CRC_table[(crc ^ *pData) & 0xff] ^ (crc >> 8);
603 /*************************************************************************
604 * RtlUlonglongByteSwap [NTDLL.@]
606 * Swap the bytes of an unsigned long long value.
609 * i [I] Value to swap bytes of
612 * The value with its bytes swapped.
614 ULONGLONG __cdecl RtlUlonglongByteSwap(ULONGLONG i)
616 return ((ULONGLONG)RtlUlongByteSwap(i) << 32) | RtlUlongByteSwap(i>>32);
619 /*************************************************************************
620 * RtlUlongByteSwap [NTDLL.@]
622 * Swap the bytes of an unsigned int value.
625 * ix86 version takes argument in %ecx. Other systems use the inline version.
628 __ASM_GLOBAL_FUNC(NTDLL_RtlUlongByteSwap,
634 /*************************************************************************
635 * RtlUshortByteSwap [NTDLL.@]
637 * Swap the bytes of an unsigned short value.
640 * i386 version takes argument in %cx. Other systems use the inline version.
643 __ASM_GLOBAL_FUNC(NTDLL_RtlUshortByteSwap,
650 /*************************************************************************
651 * RtlUniform [NTDLL.@]
653 * Generates an uniform random number
656 * seed [O] The seed of the Random function
659 * It returns a random number uniformly distributed over [0..MAXLONG-1].
662 * Generates an uniform random number using D.H. Lehmer's 1948 algorithm.
663 * In our case the algorithm is:
665 *| result = (*seed * 0x7fffffed + 0x7fffffc3) % MAXLONG;
670 * The native documentation states that the random number is
671 * uniformly distributed over [0..MAXLONG]. In reality the native
672 * function and our function return a random number uniformly
673 * distributed over [0..MAXLONG-1].
675 ULONG WINAPI RtlUniform (PULONG seed)
680 * Instead of the algorithm stated above, we use the algorithm
681 * below, which is totally equivalent (see the tests), but does
682 * not use a division and therefore is faster.
684 result = *seed * 0xffffffed + 0x7fffffc3;
685 if (result == 0xffffffff || result == 0x7ffffffe) {
686 result = (result + 2) & MAXLONG;
687 } else if (result == 0x7fffffff) {
689 } else if ((result & 0x80000000) == 0) {
690 result = result + (~result & 1);
692 result = (result + (result & 1)) & MAXLONG;
699 /*************************************************************************
700 * RtlRandom [NTDLL.@]
702 * Generates a random number
705 * seed [O] The seed of the Random function
708 * It returns a random number distributed over [0..MAXLONG-1].
710 ULONG WINAPI RtlRandom (PULONG seed)
712 static ULONG saved_value[128] =
713 { /* 0 */ 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626, 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa,
714 /* 8 */ 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8, 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09,
715 /* 16 */ 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5, 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311,
716 /* 24 */ 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be, 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82,
717 /* 32 */ 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4, 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd,
718 /* 40 */ 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016, 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52,
719 /* 48 */ 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c, 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb,
720 /* 56 */ 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8, 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e,
721 /* 64 */ 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb, 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0,
722 /* 72 */ 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743, 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd,
723 /* 80 */ 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78, 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35,
724 /* 88 */ 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a, 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379,
725 /* 96 */ 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d, 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd,
726 /* 104 */ 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515, 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b,
727 /* 112 */ 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975, 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b,
728 /* 120 */ 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb, 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d };
733 rand = (*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
734 *seed = (rand * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
736 result = saved_value[pos];
737 saved_value[pos] = rand;
742 /*************************************************************************
743 * RtlAreAllAccessesGranted [NTDLL.@]
745 * Check if all desired accesses are granted
748 * TRUE: All desired accesses are granted
751 BOOLEAN WINAPI RtlAreAllAccessesGranted(
752 ACCESS_MASK GrantedAccess,
753 ACCESS_MASK DesiredAccess)
755 return (GrantedAccess & DesiredAccess) == DesiredAccess;
759 /*************************************************************************
760 * RtlAreAnyAccessesGranted [NTDLL.@]
762 * Check if at least one of the desired accesses is granted
765 * GrantedAccess [I] Access mask of granted accesses
766 * DesiredAccess [I] Access mask of desired accesses
769 * TRUE: At least one of the desired accesses is granted
772 BOOLEAN WINAPI RtlAreAnyAccessesGranted(
773 ACCESS_MASK GrantedAccess,
774 ACCESS_MASK DesiredAccess)
776 return (GrantedAccess & DesiredAccess) != 0;
780 /*************************************************************************
781 * RtlMapGenericMask [NTDLL.@]
783 * Determine the nongeneric access rights specified by an access mask
788 void WINAPI RtlMapGenericMask(
789 PACCESS_MASK AccessMask,
790 const GENERIC_MAPPING *GenericMapping)
792 if (*AccessMask & GENERIC_READ) {
793 *AccessMask |= GenericMapping->GenericRead;
796 if (*AccessMask & GENERIC_WRITE) {
797 *AccessMask |= GenericMapping->GenericWrite;
800 if (*AccessMask & GENERIC_EXECUTE) {
801 *AccessMask |= GenericMapping->GenericExecute;
804 if (*AccessMask & GENERIC_ALL) {
805 *AccessMask |= GenericMapping->GenericAll;
808 *AccessMask &= 0x0FFFFFFF;
812 /*************************************************************************
813 * RtlCopyLuid [NTDLL.@]
815 * Copy a local unique ID.
818 * LuidDest [O] Destination for the copied Luid
819 * LuidSrc [I] Source Luid to copy to LuidDest
824 void WINAPI RtlCopyLuid (PLUID LuidDest, const LUID *LuidSrc)
826 *LuidDest = *LuidSrc;
830 /*************************************************************************
831 * RtlEqualLuid [NTDLL.@]
833 * Compare two local unique ID's.
836 * Luid1 [I] First Luid to compare to Luid2
837 * Luid2 [I] Second Luid to compare to Luid1
840 * TRUE: The two LUID's are equal.
843 BOOLEAN WINAPI RtlEqualLuid (const LUID *Luid1, const LUID *Luid2)
845 return (Luid1->LowPart == Luid2->LowPart && Luid1->HighPart == Luid2->HighPart);
849 /*************************************************************************
850 * RtlCopyLuidAndAttributesArray [NTDLL.@]
852 * Copy an array of local unique ID's and attributes.
855 * Count [I] Number of Luid/attributes in Src
856 * Src [I] Source Luid/attributes to copy
857 * Dest [O] Destination for copied Luid/attributes
863 * Dest must be large enough to hold Src.
865 void WINAPI RtlCopyLuidAndAttributesArray(
867 const LUID_AND_ATTRIBUTES *Src,
868 PLUID_AND_ATTRIBUTES Dest)
872 for (i = 0; i < Count; i++) Dest[i] = Src[i];
875 NTSTATUS WINAPI RtlIpv4StringToAddressExW(PULONG IP, PULONG Port,
876 LPCWSTR Buffer, PULONG MaxSize)
878 FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
880 return STATUS_SUCCESS;
883 NTSTATUS WINAPI RtlIpv4AddressToStringExW (PULONG IP, PULONG Port,
884 LPWSTR Buffer, PULONG MaxSize)
886 FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
888 return STATUS_SUCCESS;
891 static DWORD_PTR get_pointer_obfuscator( void )
893 static DWORD_PTR pointer_obfuscator;
895 if (!pointer_obfuscator)
897 ULONG seed = NtGetTickCount();
900 /* generate a random value for the obfuscator */
901 rand = RtlUniform( &seed );
903 /* handle 64bit pointers */
904 rand ^= RtlUniform( &seed ) << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
906 /* set the high bits so dereferencing obfuscated pointers will (usually) crash */
907 rand |= 0xc0000000 << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
909 interlocked_cmpxchg_ptr( (void**) &pointer_obfuscator, (void*) rand, NULL );
912 return pointer_obfuscator;
915 /*************************************************************************
916 * RtlEncodePointer [NTDLL.@]
918 PVOID WINAPI RtlEncodePointer( PVOID ptr )
920 DWORD_PTR ptrval = (DWORD_PTR) ptr;
921 return (PVOID)(ptrval ^ get_pointer_obfuscator());
924 PVOID WINAPI RtlDecodePointer( PVOID ptr )
926 DWORD_PTR ptrval = (DWORD_PTR) ptr;
927 return (PVOID)(ptrval ^ get_pointer_obfuscator());
930 VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER ListHeader)
932 TRACE("(%p)\n", ListHeader);
936 ListHeader->Alignment = 0;
940 WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER ListHeader)
942 TRACE("(%p)\n", ListHeader);
947 return ListHeader->Depth;
951 PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* ListHeader)
953 TRACE("(%p)\n", ListHeader);
958 return ListHeader->Next.Next;
962 PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER ListHeader)
964 SLIST_HEADER oldHeader, newHeader;
965 TRACE("(%p)\n", ListHeader);
970 if (ListHeader->Depth == 0)
972 newHeader.Alignment = 0;
975 oldHeader = *ListHeader;
976 newHeader.Sequence = ListHeader->Sequence + 1;
977 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
979 oldHeader.Alignment) != oldHeader.Alignment);
980 return oldHeader.Next.Next;
984 PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER ListHeader,
985 PSLIST_ENTRY ListEntry)
987 SLIST_HEADER oldHeader, newHeader;
988 TRACE("(%p, %p)\n", ListHeader, ListEntry);
993 newHeader.Next.Next = ListEntry;
996 oldHeader = *ListHeader;
997 ListEntry->Next = ListHeader->Next.Next;
998 newHeader.Depth = ListHeader->Depth + 1;
999 newHeader.Sequence = ListHeader->Sequence + 1;
1000 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
1001 newHeader.Alignment,
1002 oldHeader.Alignment) != oldHeader.Alignment);
1003 return oldHeader.Next.Next;
1007 PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER ListHeader)
1009 SLIST_HEADER oldHeader, newHeader;
1011 TRACE("(%p)\n", ListHeader);
1018 oldHeader = *ListHeader;
1019 entry = ListHeader->Next.Next;
1022 /* entry could be deleted by another thread */
1025 newHeader.Next.Next = entry->Next;
1026 newHeader.Depth = ListHeader->Depth - 1;
1027 newHeader.Sequence = ListHeader->Sequence + 1;
1033 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
1034 newHeader.Alignment,
1035 oldHeader.Alignment) != oldHeader.Alignment);
1040 /*************************************************************************
1041 * RtlInterlockedPushListSList [NTDLL.@]
1043 PSLIST_ENTRY WINAPI RtlInterlockedPushListSList(PSLIST_HEADER ListHeader,
1044 PSLIST_ENTRY FirstEntry,
1045 PSLIST_ENTRY LastEntry,
1048 SLIST_HEADER oldHeader, newHeader;
1049 TRACE("(%p, %p, %p, %d)\n", ListHeader, FirstEntry, LastEntry, Count);
1054 newHeader.Next.Next = FirstEntry;
1057 oldHeader = *ListHeader;
1058 newHeader.Depth = ListHeader->Depth + Count;
1059 newHeader.Sequence = ListHeader->Sequence + 1;
1060 LastEntry->Next = ListHeader->Next.Next;
1061 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
1062 newHeader.Alignment,
1063 oldHeader.Alignment) != oldHeader.Alignment);
1064 return oldHeader.Next.Next;