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 NONAMELESSSTRUCT
35 #define WIN32_NO_STATUS
38 #include "wine/debug.h"
39 #include "wine/exception.h"
40 #include "ntdll_misc.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
44 static RTL_CRITICAL_SECTION peb_lock;
45 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
48 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
49 0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
51 static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
53 /* CRC polynomial 0xedb88320 */
54 static const DWORD CRC_table[256] =
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
105 /***********************************************************************
106 * RtlInitializeResource (NTDLL.@)
108 * xxxResource() functions implement multiple-reader-single-writer lock.
109 * The code is based on information published in WDJ January 1999 issue.
111 void WINAPI RtlInitializeResource(LPRTL_RWLOCK rwl)
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 NtCreateSemaphore( &rwl->hExclusiveReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
122 NtCreateSemaphore( &rwl->hSharedReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
127 /***********************************************************************
128 * RtlDeleteResource (NTDLL.@)
130 void WINAPI RtlDeleteResource(LPRTL_RWLOCK rwl)
134 RtlEnterCriticalSection( &rwl->rtlCS );
135 if( rwl->iNumberActive || rwl->uExclusiveWaiters || rwl->uSharedWaiters )
136 MESSAGE("Deleting active MRSW lock (%p), expect failure\n", rwl );
137 rwl->hOwningThreadId = 0;
138 rwl->uExclusiveWaiters = rwl->uSharedWaiters = 0;
139 rwl->iNumberActive = 0;
140 NtClose( rwl->hExclusiveReleaseSemaphore );
141 NtClose( rwl->hSharedReleaseSemaphore );
142 RtlLeaveCriticalSection( &rwl->rtlCS );
143 RtlDeleteCriticalSection( &rwl->rtlCS );
148 /***********************************************************************
149 * RtlAcquireResourceExclusive (NTDLL.@)
151 BYTE WINAPI RtlAcquireResourceExclusive(LPRTL_RWLOCK rwl, BYTE fWait)
157 RtlEnterCriticalSection( &rwl->rtlCS );
158 if( rwl->iNumberActive == 0 ) /* lock is free */
160 rwl->iNumberActive = -1;
163 else if( rwl->iNumberActive < 0 ) /* exclusive lock in progress */
165 if( rwl->hOwningThreadId == (HANDLE)GetCurrentThreadId() )
168 rwl->iNumberActive--;
176 rwl->uExclusiveWaiters++;
178 RtlLeaveCriticalSection( &rwl->rtlCS );
179 status = NtWaitForSingleObject( rwl->hExclusiveReleaseSemaphore, FALSE, NULL );
182 goto start; /* restart the acquisition to avoid deadlocks */
185 else /* one or more shared locks are in progress */
190 rwl->hOwningThreadId = (HANDLE)GetCurrentThreadId();
192 RtlLeaveCriticalSection( &rwl->rtlCS );
196 /***********************************************************************
197 * RtlAcquireResourceShared (NTDLL.@)
199 BYTE WINAPI RtlAcquireResourceShared(LPRTL_RWLOCK rwl, BYTE fWait)
201 NTSTATUS status = STATUS_UNSUCCESSFUL;
206 RtlEnterCriticalSection( &rwl->rtlCS );
207 if( rwl->iNumberActive < 0 )
209 if( rwl->hOwningThreadId == (HANDLE)GetCurrentThreadId() )
211 rwl->iNumberActive--;
218 rwl->uSharedWaiters++;
219 RtlLeaveCriticalSection( &rwl->rtlCS );
220 status = NtWaitForSingleObject( rwl->hSharedReleaseSemaphore, FALSE, NULL );
228 if( status != STATUS_WAIT_0 ) /* otherwise RtlReleaseResource() has already done it */
229 rwl->iNumberActive++;
233 RtlLeaveCriticalSection( &rwl->rtlCS );
238 /***********************************************************************
239 * RtlReleaseResource (NTDLL.@)
241 void WINAPI RtlReleaseResource(LPRTL_RWLOCK rwl)
243 RtlEnterCriticalSection( &rwl->rtlCS );
245 if( rwl->iNumberActive > 0 ) /* have one or more readers */
247 if( --rwl->iNumberActive == 0 )
249 if( rwl->uExclusiveWaiters )
252 rwl->uExclusiveWaiters--;
253 NtReleaseSemaphore( rwl->hExclusiveReleaseSemaphore, 1, NULL );
258 if( rwl->iNumberActive < 0 ) /* have a writer, possibly recursive */
260 if( ++rwl->iNumberActive == 0 )
262 rwl->hOwningThreadId = 0;
263 if( rwl->uExclusiveWaiters )
266 if( rwl->uSharedWaiters )
268 UINT n = rwl->uSharedWaiters;
269 rwl->iNumberActive = rwl->uSharedWaiters; /* prevent new writers from joining until
270 * all queued readers have done their thing */
271 rwl->uSharedWaiters = 0;
272 NtReleaseSemaphore( rwl->hSharedReleaseSemaphore, n, NULL );
276 RtlLeaveCriticalSection( &rwl->rtlCS );
280 /***********************************************************************
281 * RtlDumpResource (NTDLL.@)
283 void WINAPI RtlDumpResource(LPRTL_RWLOCK rwl)
287 MESSAGE("RtlDumpResource(%p):\n\tactive count = %i\n\twaiting readers = %i\n\twaiting writers = %i\n",
288 rwl, rwl->iNumberActive, rwl->uSharedWaiters, rwl->uExclusiveWaiters );
289 if( rwl->iNumberActive )
290 MESSAGE("\towner thread = %p\n", rwl->hOwningThreadId );
298 /******************************************************************************
301 NTSTATUS WINAPIV DbgPrint(LPCSTR fmt, ...)
307 vsprintf(buf,fmt, args);
310 MESSAGE("DbgPrint says: %s",buf);
311 /* hmm, raise exception? */
312 return STATUS_SUCCESS;
316 /******************************************************************************
317 * DbgPrintEx [NTDLL.@]
319 NTSTATUS WINAPIV DbgPrintEx(ULONG iComponentId, ULONG Level, LPCSTR fmt, ...)
325 ret = vDbgPrintEx(iComponentId, Level, fmt, args);
330 /******************************************************************************
331 * vDbgPrintEx [NTDLL.@]
333 NTSTATUS WINAPI vDbgPrintEx( ULONG id, ULONG level, LPCSTR fmt, va_list args )
335 return vDbgPrintExWithPrefix( "", id, level, fmt, args );
338 /******************************************************************************
339 * vDbgPrintExWithPrefix [NTDLL.@]
341 NTSTATUS WINAPI vDbgPrintExWithPrefix( LPCSTR prefix, ULONG id, ULONG level, LPCSTR fmt, va_list args )
345 vsprintf(buf, fmt, args);
347 switch (level & DPFLTR_MASK)
349 case DPFLTR_ERROR_LEVEL: ERR("%s%x: %s", prefix, id, buf); break;
350 case DPFLTR_WARNING_LEVEL: WARN("%s%x: %s", prefix, id, buf); break;
351 case DPFLTR_TRACE_LEVEL:
352 case DPFLTR_INFO_LEVEL:
353 default: TRACE("%s%x: %s", prefix, id, buf); break;
355 return STATUS_SUCCESS;
358 /******************************************************************************
359 * RtlAcquirePebLock [NTDLL.@]
361 VOID WINAPI RtlAcquirePebLock(void)
363 RtlEnterCriticalSection( &peb_lock );
366 /******************************************************************************
367 * RtlReleasePebLock [NTDLL.@]
369 VOID WINAPI RtlReleasePebLock(void)
371 RtlLeaveCriticalSection( &peb_lock );
374 /******************************************************************************
375 * RtlNewSecurityObject [NTDLL.@]
378 RtlNewSecurityObject( PSECURITY_DESCRIPTOR ParentDescriptor,
379 PSECURITY_DESCRIPTOR CreatorDescriptor,
380 PSECURITY_DESCRIPTOR *NewDescriptor,
381 BOOLEAN IsDirectoryObject,
383 PGENERIC_MAPPING GenericMapping )
385 FIXME("(%p %p %p %d %p %p) stub!\n", ParentDescriptor, CreatorDescriptor,
386 NewDescriptor, IsDirectoryObject, Token, GenericMapping);
387 return STATUS_NOT_IMPLEMENTED;
390 /******************************************************************************
391 * RtlDeleteSecurityObject [NTDLL.@]
394 RtlDeleteSecurityObject( PSECURITY_DESCRIPTOR *ObjectDescriptor )
396 FIXME("(%p) stub!\n", ObjectDescriptor);
397 return STATUS_NOT_IMPLEMENTED;
400 /**************************************************************************
403 * Glorified "enter xxxx".
406 __ASM_GLOBAL_FUNC( _chkstk,
409 "xchgl %esp,%eax\n\t"
410 "movl 0(%eax),%eax\n\t" /* copy return address from old location */
411 "movl %eax,0(%esp)\n\t"
415 /**************************************************************************
416 * _alloca_probe [NTDLL.@]
418 * Glorified "enter xxxx".
421 __ASM_GLOBAL_FUNC( _alloca_probe,
424 "xchgl %esp,%eax\n\t"
425 "movl 0(%eax),%eax\n\t" /* copy return address from old location */
426 "movl %eax,0(%esp)\n\t"
431 /******************************************************************************
432 * RtlInitializeGenericTable [NTDLL.@]
434 PVOID WINAPI RtlInitializeGenericTable(PVOID pTable, PVOID arg2, PVOID arg3, PVOID arg4, PVOID arg5)
436 FIXME("(%p,%p,%p,%p,%p) stub!\n", pTable, arg2, arg3, arg4, arg5);
440 /******************************************************************************
441 * RtlMoveMemory [NTDLL.@]
443 * Move a block of memory that may overlap.
446 * Destination [O] End destination for block
447 * Source [O] Where to start copying from
448 * Length [I] Number of bytes to copy
454 VOID WINAPI RtlMoveMemory( VOID *Destination, CONST VOID *Source, SIZE_T Length )
456 memmove(Destination, Source, Length);
459 /******************************************************************************
460 * RtlFillMemory [NTDLL.@]
462 * Set a block of memory with a value.
465 * Destination [O] Block to fill
466 * Length [I] Number of bytes to fill
467 * Fill [I] Value to set
473 VOID WINAPI RtlFillMemory( VOID *Destination, SIZE_T Length, BYTE Fill )
475 memset(Destination, Fill, Length);
478 /******************************************************************************
479 * RtlZeroMemory [NTDLL.@]
481 * Set a block of memory with 0's.
484 * Destination [O] Block to fill
485 * Length [I] Number of bytes to fill
491 VOID WINAPI RtlZeroMemory( VOID *Destination, SIZE_T Length )
493 memset(Destination, 0, Length);
496 /******************************************************************************
497 * RtlCompareMemory [NTDLL.@]
499 * Compare one block of memory with another
502 * Source1 [I] Source block
503 * Source2 [I] Block to compare to Source1
504 * Length [I] Number of bytes to compare
507 * The length of the first byte at which Source1 and Source2 differ, or Length
508 * if they are the same.
510 SIZE_T WINAPI RtlCompareMemory( const VOID *Source1, const VOID *Source2, SIZE_T Length)
513 for(i=0; (i<Length) && (((const BYTE*)Source1)[i]==((const BYTE*)Source2)[i]); i++);
517 /******************************************************************************
518 * RtlCompareMemoryUlong [NTDLL.@]
520 * Compare a block of memory with a value, a ULONG at a time
523 * Source1 [I] Source block. This must be ULONG aligned
524 * Length [I] Number of bytes to compare. This should be a multiple of 4
525 * dwVal [I] Value to compare to
528 * The byte position of the first byte at which Source1 is not dwVal.
530 SIZE_T WINAPI RtlCompareMemoryUlong(const ULONG *Source1, SIZE_T Length, ULONG dwVal)
533 for(i = 0; i < Length/sizeof(ULONG) && Source1[i] == dwVal; i++);
534 return i * sizeof(ULONG);
537 /******************************************************************************
538 * RtlAssert [NTDLL.@]
540 * Fail a debug assertion.
543 * Nothing. This call does not return control to its caller.
546 * Not implemented in non-debug versions.
548 void WINAPI RtlAssert(LPVOID x1,LPVOID x2,DWORD x3, DWORD x4)
550 FIXME("(%p,%p,0x%08x,0x%08x),stub\n",x1,x2,x3,x4);
553 /*************************************************************************
554 * RtlFillMemoryUlong [NTDLL.@]
556 * Fill memory with a 32 bit (dword) value.
559 * lpDest [I] Bitmap pointer
560 * ulCount [I] Number of dwords to write
561 * ulValue [I] Value to fill with
566 VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue)
568 TRACE("(%p,%d,%d)\n", lpDest, ulCount, ulValue);
570 ulCount /= sizeof(ULONG);
575 /*********************************************************************
576 * RtlComputeCrc32 [NTDLL.@]
578 * Calculate the CRC32 checksum of a block of bytes
581 * dwInitial [I] Initial CRC value
582 * pData [I] Data block
583 * iLen [I] Length of the byte block
586 * The cumulative CRC32 of dwInitial and iLen bytes of the pData block.
588 DWORD WINAPI RtlComputeCrc32(DWORD dwInitial, const BYTE *pData, INT iLen)
590 DWORD crc = ~dwInitial;
592 TRACE("(%d,%p,%d)\n", dwInitial, pData, iLen);
596 crc = CRC_table[(crc ^ *pData) & 0xff] ^ (crc >> 8);
604 /*************************************************************************
605 * RtlUlonglongByteSwap [NTDLL.@]
607 * Swap the bytes of an unsigned long long value.
610 * i [I] Value to swap bytes of
613 * The value with its bytes swapped.
615 ULONGLONG __cdecl RtlUlonglongByteSwap(ULONGLONG i)
617 return ((ULONGLONG)RtlUlongByteSwap(i) << 32) | RtlUlongByteSwap(i>>32);
620 /*************************************************************************
621 * RtlUlongByteSwap [NTDLL.@]
623 * Swap the bytes of an unsigned int value.
626 * ix86 version takes argument in %ecx. Other systems use the inline version.
629 __ASM_GLOBAL_FUNC(NTDLL_RtlUlongByteSwap,
635 /*************************************************************************
636 * RtlUshortByteSwap [NTDLL.@]
638 * Swap the bytes of an unsigned short value.
641 * i386 version takes argument in %cx. Other systems use the inline version.
644 __ASM_GLOBAL_FUNC(NTDLL_RtlUshortByteSwap,
651 /*************************************************************************
652 * RtlUniform [NTDLL.@]
654 * Generates an uniform random number
657 * seed [O] The seed of the Random function
660 * It returns a random number uniformly distributed over [0..MAXLONG-1].
663 * Generates an uniform random number using D.H. Lehmer's 1948 algorithm.
664 * In our case the algorithm is:
666 *| result = (*seed * 0x7fffffed + 0x7fffffc3) % MAXLONG;
671 * The native documentation states that the random number is
672 * uniformly distributed over [0..MAXLONG]. In reality the native
673 * function and our function return a random number uniformly
674 * distributed over [0..MAXLONG-1].
676 ULONG WINAPI RtlUniform (PULONG seed)
681 * Instead of the algorithm stated above, we use the algorithm
682 * below, which is totally equivalent (see the tests), but does
683 * not use a division and therefore is faster.
685 result = *seed * 0xffffffed + 0x7fffffc3;
686 if (result == 0xffffffff || result == 0x7ffffffe) {
687 result = (result + 2) & MAXLONG;
688 } else if (result == 0x7fffffff) {
690 } else if ((result & 0x80000000) == 0) {
691 result = result + (~result & 1);
693 result = (result + (result & 1)) & MAXLONG;
700 /*************************************************************************
701 * RtlRandom [NTDLL.@]
703 * Generates a random number
706 * seed [O] The seed of the Random function
709 * It returns a random number distributed over [0..MAXLONG-1].
711 ULONG WINAPI RtlRandom (PULONG seed)
713 static ULONG saved_value[128] =
714 { /* 0 */ 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626, 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa,
715 /* 8 */ 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8, 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09,
716 /* 16 */ 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5, 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311,
717 /* 24 */ 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be, 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82,
718 /* 32 */ 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4, 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd,
719 /* 40 */ 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016, 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52,
720 /* 48 */ 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c, 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb,
721 /* 56 */ 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8, 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e,
722 /* 64 */ 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb, 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0,
723 /* 72 */ 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743, 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd,
724 /* 80 */ 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78, 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35,
725 /* 88 */ 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a, 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379,
726 /* 96 */ 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d, 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd,
727 /* 104 */ 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515, 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b,
728 /* 112 */ 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975, 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b,
729 /* 120 */ 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb, 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d };
734 rand = (*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
735 *seed = (rand * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
737 result = saved_value[pos];
738 saved_value[pos] = rand;
743 /*************************************************************************
744 * RtlAreAllAccessesGranted [NTDLL.@]
746 * Check if all desired accesses are granted
749 * TRUE: All desired accesses are granted
752 BOOLEAN WINAPI RtlAreAllAccessesGranted(
753 ACCESS_MASK GrantedAccess,
754 ACCESS_MASK DesiredAccess)
756 return (GrantedAccess & DesiredAccess) == DesiredAccess;
760 /*************************************************************************
761 * RtlAreAnyAccessesGranted [NTDLL.@]
763 * Check if at least one of the desired accesses is granted
766 * GrantedAccess [I] Access mask of granted accesses
767 * DesiredAccess [I] Access mask of desired accesses
770 * TRUE: At least one of the desired accesses is granted
773 BOOLEAN WINAPI RtlAreAnyAccessesGranted(
774 ACCESS_MASK GrantedAccess,
775 ACCESS_MASK DesiredAccess)
777 return (GrantedAccess & DesiredAccess) != 0;
781 /*************************************************************************
782 * RtlMapGenericMask [NTDLL.@]
784 * Determine the nongeneric access rights specified by an access mask
789 void WINAPI RtlMapGenericMask(
790 PACCESS_MASK AccessMask,
791 const GENERIC_MAPPING *GenericMapping)
793 if (*AccessMask & GENERIC_READ) {
794 *AccessMask |= GenericMapping->GenericRead;
797 if (*AccessMask & GENERIC_WRITE) {
798 *AccessMask |= GenericMapping->GenericWrite;
801 if (*AccessMask & GENERIC_EXECUTE) {
802 *AccessMask |= GenericMapping->GenericExecute;
805 if (*AccessMask & GENERIC_ALL) {
806 *AccessMask |= GenericMapping->GenericAll;
809 *AccessMask &= 0x0FFFFFFF;
813 /*************************************************************************
814 * RtlCopyLuid [NTDLL.@]
816 * Copy a local unique ID.
819 * LuidDest [O] Destination for the copied Luid
820 * LuidSrc [I] Source Luid to copy to LuidDest
825 void WINAPI RtlCopyLuid (PLUID LuidDest, const LUID *LuidSrc)
827 *LuidDest = *LuidSrc;
831 /*************************************************************************
832 * RtlEqualLuid [NTDLL.@]
834 * Compare two local unique ID's.
837 * Luid1 [I] First Luid to compare to Luid2
838 * Luid2 [I] Second Luid to compare to Luid1
841 * TRUE: The two LUID's are equal.
844 BOOLEAN WINAPI RtlEqualLuid (const LUID *Luid1, const LUID *Luid2)
846 return (Luid1->LowPart == Luid2->LowPart && Luid1->HighPart == Luid2->HighPart);
850 /*************************************************************************
851 * RtlCopyLuidAndAttributesArray [NTDLL.@]
853 * Copy an array of local unique ID's and attributes.
856 * Count [I] Number of Luid/attributes in Src
857 * Src [I] Source Luid/attributes to copy
858 * Dest [O] Destination for copied Luid/attributes
864 * Dest must be large enough to hold Src.
866 void WINAPI RtlCopyLuidAndAttributesArray(
868 const LUID_AND_ATTRIBUTES *Src,
869 PLUID_AND_ATTRIBUTES Dest)
873 for (i = 0; i < Count; i++) Dest[i] = Src[i];
876 NTSTATUS WINAPI RtlIpv4StringToAddressExW(PULONG IP, PULONG Port,
877 LPCWSTR Buffer, PULONG MaxSize)
879 FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
881 return STATUS_SUCCESS;
884 NTSTATUS WINAPI RtlIpv4AddressToStringExW (PULONG IP, PULONG Port,
885 LPWSTR Buffer, PULONG MaxSize)
887 FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
889 return STATUS_SUCCESS;
892 static DWORD_PTR get_pointer_obfuscator( void )
894 static DWORD_PTR pointer_obfuscator;
896 if (!pointer_obfuscator)
898 ULONG seed = NtGetTickCount();
901 /* generate a random value for the obfuscator */
902 rand = RtlUniform( &seed );
904 /* handle 64bit pointers */
905 rand ^= RtlUniform( &seed ) << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
907 /* set the high bits so dereferencing obfuscated pointers will (usually) crash */
908 rand |= 0xc0000000 << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
910 interlocked_cmpxchg_ptr( (void**) &pointer_obfuscator, (void*) rand, NULL );
913 return pointer_obfuscator;
916 /*************************************************************************
917 * RtlEncodePointer [NTDLL.@]
919 PVOID WINAPI RtlEncodePointer( PVOID ptr )
921 DWORD_PTR ptrval = (DWORD_PTR) ptr;
922 return (PVOID)(ptrval ^ get_pointer_obfuscator());
925 PVOID WINAPI RtlDecodePointer( PVOID ptr )
927 DWORD_PTR ptrval = (DWORD_PTR) ptr;
928 return (PVOID)(ptrval ^ get_pointer_obfuscator());
931 VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER ListHeader)
933 TRACE("(%p)\n", ListHeader);
937 ListHeader->Alignment = 0;
941 WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER ListHeader)
943 TRACE("(%p)\n", ListHeader);
948 return ListHeader->s.Depth;
952 PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* ListHeader)
954 TRACE("(%p)\n", ListHeader);
959 return ListHeader->s.Next.Next;
963 PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER ListHeader)
965 SLIST_HEADER oldHeader, newHeader;
966 TRACE("(%p)\n", ListHeader);
971 if (ListHeader->s.Depth == 0)
973 newHeader.Alignment = 0;
976 oldHeader = *ListHeader;
977 newHeader.s.Sequence = ListHeader->s.Sequence + 1;
978 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
980 oldHeader.Alignment) != oldHeader.Alignment);
981 return oldHeader.s.Next.Next;
985 PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER ListHeader,
986 PSLIST_ENTRY ListEntry)
988 SLIST_HEADER oldHeader, newHeader;
989 TRACE("(%p, %p)\n", ListHeader, ListEntry);
994 newHeader.s.Next.Next = ListEntry;
997 oldHeader = *ListHeader;
998 ListEntry->Next = ListHeader->s.Next.Next;
999 newHeader.s.Depth = ListHeader->s.Depth + 1;
1000 newHeader.s.Sequence = ListHeader->s.Sequence + 1;
1001 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
1002 newHeader.Alignment,
1003 oldHeader.Alignment) != oldHeader.Alignment);
1004 return oldHeader.s.Next.Next;
1008 PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER ListHeader)
1010 SLIST_HEADER oldHeader, newHeader;
1012 TRACE("(%p)\n", ListHeader);
1019 oldHeader = *ListHeader;
1020 entry = ListHeader->s.Next.Next;
1023 /* entry could be deleted by another thread */
1026 newHeader.s.Next.Next = entry->Next;
1027 newHeader.s.Depth = ListHeader->s.Depth - 1;
1028 newHeader.s.Sequence = ListHeader->s.Sequence + 1;
1034 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
1035 newHeader.Alignment,
1036 oldHeader.Alignment) != oldHeader.Alignment);
1041 /*************************************************************************
1042 * RtlInterlockedPushListSList [NTDLL.@]
1044 PSLIST_ENTRY WINAPI RtlInterlockedPushListSList(PSLIST_HEADER ListHeader,
1045 PSLIST_ENTRY FirstEntry,
1046 PSLIST_ENTRY LastEntry,
1049 SLIST_HEADER oldHeader, newHeader;
1050 TRACE("(%p, %p, %p, %d)\n", ListHeader, FirstEntry, LastEntry, Count);
1055 newHeader.s.Next.Next = FirstEntry;
1058 oldHeader = *ListHeader;
1059 newHeader.s.Depth = ListHeader->s.Depth + Count;
1060 newHeader.s.Sequence = ListHeader->s.Sequence + 1;
1061 LastEntry->Next = ListHeader->s.Next.Next;
1062 } while (interlocked_cmpxchg64((__int64*)&ListHeader->Alignment,
1063 newHeader.Alignment,
1064 oldHeader.Alignment) != oldHeader.Alignment);
1065 return oldHeader.s.Next.Next;