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"
33 #ifdef HAVE_NETINET_IN_H
34 #include <netinet/in.h>
37 #define NONAMELESSSTRUCT
38 #define WIN32_NO_STATUS
42 #include "wine/debug.h"
43 #include "wine/exception.h"
44 #include "wine/unicode.h"
45 #include "ntdll_misc.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
50 static RTL_CRITICAL_SECTION peb_lock;
51 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
54 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
55 0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
57 static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
59 /* CRC polynomial 0xedb88320 */
60 static const DWORD CRC_table[256] =
62 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
63 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
64 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
65 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
66 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
67 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
68 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
69 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
70 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
71 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
72 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
73 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
74 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
75 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
76 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
77 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
78 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
79 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
80 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
81 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
82 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
83 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
84 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
85 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
86 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
87 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
88 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
89 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
90 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
91 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
92 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
93 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
94 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
95 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
96 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
97 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
98 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
99 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
100 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
101 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
102 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
103 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
104 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
111 /***********************************************************************
112 * RtlInitializeResource (NTDLL.@)
114 * xxxResource() functions implement multiple-reader-single-writer lock.
115 * The code is based on information published in WDJ January 1999 issue.
117 void WINAPI RtlInitializeResource(LPRTL_RWLOCK rwl)
121 rwl->iNumberActive = 0;
122 rwl->uExclusiveWaiters = 0;
123 rwl->uSharedWaiters = 0;
124 rwl->hOwningThreadId = 0;
125 rwl->dwTimeoutBoost = 0; /* no info on this one, default value is 0 */
126 RtlInitializeCriticalSection( &rwl->rtlCS );
127 rwl->rtlCS.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RTL_RWLOCK.rtlCS");
128 NtCreateSemaphore( &rwl->hExclusiveReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
129 NtCreateSemaphore( &rwl->hSharedReleaseSemaphore, SEMAPHORE_ALL_ACCESS, NULL, 0, 65535 );
134 /***********************************************************************
135 * RtlDeleteResource (NTDLL.@)
137 void WINAPI RtlDeleteResource(LPRTL_RWLOCK rwl)
141 RtlEnterCriticalSection( &rwl->rtlCS );
142 if( rwl->iNumberActive || rwl->uExclusiveWaiters || rwl->uSharedWaiters )
143 MESSAGE("Deleting active MRSW lock (%p), expect failure\n", rwl );
144 rwl->hOwningThreadId = 0;
145 rwl->uExclusiveWaiters = rwl->uSharedWaiters = 0;
146 rwl->iNumberActive = 0;
147 NtClose( rwl->hExclusiveReleaseSemaphore );
148 NtClose( rwl->hSharedReleaseSemaphore );
149 RtlLeaveCriticalSection( &rwl->rtlCS );
150 rwl->rtlCS.DebugInfo->Spare[0] = 0;
151 RtlDeleteCriticalSection( &rwl->rtlCS );
156 /***********************************************************************
157 * RtlAcquireResourceExclusive (NTDLL.@)
159 BYTE WINAPI RtlAcquireResourceExclusive(LPRTL_RWLOCK rwl, BYTE fWait)
165 RtlEnterCriticalSection( &rwl->rtlCS );
166 if( rwl->iNumberActive == 0 ) /* lock is free */
168 rwl->iNumberActive = -1;
171 else if( rwl->iNumberActive < 0 ) /* exclusive lock in progress */
173 if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) )
176 rwl->iNumberActive--;
184 rwl->uExclusiveWaiters++;
186 RtlLeaveCriticalSection( &rwl->rtlCS );
187 status = NtWaitForSingleObject( rwl->hExclusiveReleaseSemaphore, FALSE, NULL );
190 goto start; /* restart the acquisition to avoid deadlocks */
193 else /* one or more shared locks are in progress */
198 rwl->hOwningThreadId = ULongToHandle(GetCurrentThreadId());
200 RtlLeaveCriticalSection( &rwl->rtlCS );
204 /***********************************************************************
205 * RtlAcquireResourceShared (NTDLL.@)
207 BYTE WINAPI RtlAcquireResourceShared(LPRTL_RWLOCK rwl, BYTE fWait)
209 NTSTATUS status = STATUS_UNSUCCESSFUL;
214 RtlEnterCriticalSection( &rwl->rtlCS );
215 if( rwl->iNumberActive < 0 )
217 if( rwl->hOwningThreadId == ULongToHandle(GetCurrentThreadId()) )
219 rwl->iNumberActive--;
226 rwl->uSharedWaiters++;
227 RtlLeaveCriticalSection( &rwl->rtlCS );
228 status = NtWaitForSingleObject( rwl->hSharedReleaseSemaphore, FALSE, NULL );
236 if( status != STATUS_WAIT_0 ) /* otherwise RtlReleaseResource() has already done it */
237 rwl->iNumberActive++;
241 RtlLeaveCriticalSection( &rwl->rtlCS );
246 /***********************************************************************
247 * RtlReleaseResource (NTDLL.@)
249 void WINAPI RtlReleaseResource(LPRTL_RWLOCK rwl)
251 RtlEnterCriticalSection( &rwl->rtlCS );
253 if( rwl->iNumberActive > 0 ) /* have one or more readers */
255 if( --rwl->iNumberActive == 0 )
257 if( rwl->uExclusiveWaiters )
260 rwl->uExclusiveWaiters--;
261 NtReleaseSemaphore( rwl->hExclusiveReleaseSemaphore, 1, NULL );
266 if( rwl->iNumberActive < 0 ) /* have a writer, possibly recursive */
268 if( ++rwl->iNumberActive == 0 )
270 rwl->hOwningThreadId = 0;
271 if( rwl->uExclusiveWaiters )
274 if( rwl->uSharedWaiters )
276 UINT n = rwl->uSharedWaiters;
277 rwl->iNumberActive = rwl->uSharedWaiters; /* prevent new writers from joining until
278 * all queued readers have done their thing */
279 rwl->uSharedWaiters = 0;
280 NtReleaseSemaphore( rwl->hSharedReleaseSemaphore, n, NULL );
284 RtlLeaveCriticalSection( &rwl->rtlCS );
288 /***********************************************************************
289 * RtlDumpResource (NTDLL.@)
291 void WINAPI RtlDumpResource(LPRTL_RWLOCK rwl)
295 MESSAGE("RtlDumpResource(%p):\n\tactive count = %i\n\twaiting readers = %i\n\twaiting writers = %i\n",
296 rwl, rwl->iNumberActive, rwl->uSharedWaiters, rwl->uExclusiveWaiters );
297 if( rwl->iNumberActive )
298 MESSAGE("\towner thread = %p\n", rwl->hOwningThreadId );
306 /******************************************************************************
309 NTSTATUS WINAPIV DbgPrint(LPCSTR fmt, ...)
314 __ms_va_start(args, fmt);
315 NTDLL__vsnprintf(buf, sizeof(buf), fmt, args);
318 MESSAGE("DbgPrint says: %s",buf);
319 /* hmm, raise exception? */
320 return STATUS_SUCCESS;
324 /******************************************************************************
325 * DbgPrintEx [NTDLL.@]
327 NTSTATUS WINAPIV DbgPrintEx(ULONG iComponentId, ULONG Level, LPCSTR fmt, ...)
332 __ms_va_start(args, fmt);
333 ret = vDbgPrintEx(iComponentId, Level, fmt, args);
338 /******************************************************************************
339 * vDbgPrintEx [NTDLL.@]
341 NTSTATUS WINAPI vDbgPrintEx( ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args )
343 return vDbgPrintExWithPrefix( "", id, level, fmt, args );
346 /******************************************************************************
347 * vDbgPrintExWithPrefix [NTDLL.@]
349 NTSTATUS WINAPI vDbgPrintExWithPrefix( LPCSTR prefix, ULONG id, ULONG level, LPCSTR fmt, __ms_va_list args )
353 NTDLL__vsnprintf(buf, sizeof(buf), fmt, args);
355 switch (level & DPFLTR_MASK)
357 case DPFLTR_ERROR_LEVEL: ERR("%s%x: %s", prefix, id, buf); break;
358 case DPFLTR_WARNING_LEVEL: WARN("%s%x: %s", prefix, id, buf); break;
359 case DPFLTR_TRACE_LEVEL:
360 case DPFLTR_INFO_LEVEL:
361 default: TRACE("%s%x: %s", prefix, id, buf); break;
363 return STATUS_SUCCESS;
366 /******************************************************************************
367 * RtlAcquirePebLock [NTDLL.@]
369 VOID WINAPI RtlAcquirePebLock(void)
371 RtlEnterCriticalSection( &peb_lock );
374 /******************************************************************************
375 * RtlReleasePebLock [NTDLL.@]
377 VOID WINAPI RtlReleasePebLock(void)
379 RtlLeaveCriticalSection( &peb_lock );
382 /******************************************************************************
383 * RtlNewSecurityObject [NTDLL.@]
386 RtlNewSecurityObject( PSECURITY_DESCRIPTOR ParentDescriptor,
387 PSECURITY_DESCRIPTOR CreatorDescriptor,
388 PSECURITY_DESCRIPTOR *NewDescriptor,
389 BOOLEAN IsDirectoryObject,
391 PGENERIC_MAPPING GenericMapping )
393 FIXME("(%p %p %p %d %p %p) stub!\n", ParentDescriptor, CreatorDescriptor,
394 NewDescriptor, IsDirectoryObject, Token, GenericMapping);
395 return STATUS_NOT_IMPLEMENTED;
398 /******************************************************************************
399 * RtlDeleteSecurityObject [NTDLL.@]
402 RtlDeleteSecurityObject( PSECURITY_DESCRIPTOR *ObjectDescriptor )
404 FIXME("(%p) stub!\n", ObjectDescriptor);
405 return STATUS_NOT_IMPLEMENTED;
408 /**************************************************************************
411 * Glorified "enter xxxx".
414 __ASM_STDCALL_FUNC( _chkstk, 0,
417 "xchgl %esp,%eax\n\t"
418 "movl 0(%eax),%eax\n\t" /* copy return address from old location */
419 "movl %eax,0(%esp)\n\t"
423 /**************************************************************************
424 * _alloca_probe [NTDLL.@]
426 * Glorified "enter xxxx".
429 __ASM_STDCALL_FUNC( _alloca_probe, 0,
432 "xchgl %esp,%eax\n\t"
433 "movl 0(%eax),%eax\n\t" /* copy return address from old location */
434 "movl %eax,0(%esp)\n\t"
439 /******************************************************************************
440 * RtlInitializeGenericTable [NTDLL.@]
442 PVOID WINAPI RtlInitializeGenericTable(PVOID pTable, PVOID arg2, PVOID arg3, PVOID arg4, PVOID arg5)
444 FIXME("(%p,%p,%p,%p,%p) stub!\n", pTable, arg2, arg3, arg4, arg5);
448 /******************************************************************************
449 * RtlEnumerateGenericTableWithoutSplaying [NTDLL.@]
451 PVOID RtlEnumerateGenericTableWithoutSplaying(PVOID pTable, PVOID *RestartKey)
453 static int warn_once;
456 FIXME("(%p,%p) stub!\n", pTable, RestartKey);
460 /******************************************************************************
461 * RtlNumberGenericTableElements [NTDLL.@]
463 ULONG RtlNumberGenericTableElements(PVOID pTable)
465 FIXME("(%p) stub!\n", pTable);
469 /******************************************************************************
470 * RtlMoveMemory [NTDLL.@]
472 * Move a block of memory that may overlap.
475 * Destination [O] End destination for block
476 * Source [O] Where to start copying from
477 * Length [I] Number of bytes to copy
483 VOID WINAPI RtlMoveMemory( VOID *Destination, CONST VOID *Source, SIZE_T Length )
485 memmove(Destination, Source, Length);
488 /******************************************************************************
489 * RtlFillMemory [NTDLL.@]
491 * Set a block of memory with a value.
494 * Destination [O] Block to fill
495 * Length [I] Number of bytes to fill
496 * Fill [I] Value to set
502 VOID WINAPI RtlFillMemory( VOID *Destination, SIZE_T Length, BYTE Fill )
504 memset(Destination, Fill, Length);
507 /******************************************************************************
508 * RtlZeroMemory [NTDLL.@]
510 * Set a block of memory with 0's.
513 * Destination [O] Block to fill
514 * Length [I] Number of bytes to fill
520 VOID WINAPI RtlZeroMemory( VOID *Destination, SIZE_T Length )
522 memset(Destination, 0, Length);
525 /******************************************************************************
526 * RtlCompareMemory [NTDLL.@]
528 * Compare one block of memory with another
531 * Source1 [I] Source block
532 * Source2 [I] Block to compare to Source1
533 * Length [I] Number of bytes to compare
536 * The length of the first byte at which Source1 and Source2 differ, or Length
537 * if they are the same.
539 SIZE_T WINAPI RtlCompareMemory( const VOID *Source1, const VOID *Source2, SIZE_T Length)
542 for(i=0; (i<Length) && (((const BYTE*)Source1)[i]==((const BYTE*)Source2)[i]); i++);
546 /******************************************************************************
547 * RtlCompareMemoryUlong [NTDLL.@]
549 * Compare a block of memory with a value, a ULONG at a time
552 * Source1 [I] Source block. This must be ULONG aligned
553 * Length [I] Number of bytes to compare. This should be a multiple of 4
554 * dwVal [I] Value to compare to
557 * The byte position of the first byte at which Source1 is not dwVal.
559 SIZE_T WINAPI RtlCompareMemoryUlong(const ULONG *Source1, SIZE_T Length, ULONG dwVal)
562 for(i = 0; i < Length/sizeof(ULONG) && Source1[i] == dwVal; i++);
563 return i * sizeof(ULONG);
566 /******************************************************************************
567 * RtlAssert [NTDLL.@]
569 * Fail a debug assertion.
572 * Nothing. This call does not return control to its caller.
575 * Not implemented in non-debug versions.
577 void WINAPI RtlAssert(LPVOID x1,LPVOID x2,DWORD x3, DWORD x4)
579 FIXME("(%p,%p,0x%08x,0x%08x),stub\n",x1,x2,x3,x4);
582 /*************************************************************************
583 * RtlFillMemoryUlong [NTDLL.@]
585 * Fill memory with a 32 bit (dword) value.
588 * lpDest [I] Bitmap pointer
589 * ulCount [I] Number of dwords to write
590 * ulValue [I] Value to fill with
595 VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue)
597 TRACE("(%p,%d,%d)\n", lpDest, ulCount, ulValue);
599 ulCount /= sizeof(ULONG);
604 /*********************************************************************
605 * RtlComputeCrc32 [NTDLL.@]
607 * Calculate the CRC32 checksum of a block of bytes
610 * dwInitial [I] Initial CRC value
611 * pData [I] Data block
612 * iLen [I] Length of the byte block
615 * The cumulative CRC32 of dwInitial and iLen bytes of the pData block.
617 DWORD WINAPI RtlComputeCrc32(DWORD dwInitial, const BYTE *pData, INT iLen)
619 DWORD crc = ~dwInitial;
621 TRACE("(%d,%p,%d)\n", dwInitial, pData, iLen);
625 crc = CRC_table[(crc ^ *pData) & 0xff] ^ (crc >> 8);
633 /*************************************************************************
634 * RtlUlonglongByteSwap [NTDLL.@]
636 * Swap the bytes of an unsigned long long value.
639 * i [I] Value to swap bytes of
642 * The value with its bytes swapped.
644 ULONGLONG __cdecl RtlUlonglongByteSwap(ULONGLONG i)
646 return ((ULONGLONG)RtlUlongByteSwap(i) << 32) | RtlUlongByteSwap(i>>32);
649 /*************************************************************************
650 * RtlUlongByteSwap [NTDLL.@]
652 * Swap the bytes of an unsigned int value.
655 * ix86 version takes argument in %ecx. Other systems use the inline version.
658 __ASM_GLOBAL_FUNC(NTDLL_RtlUlongByteSwap,
664 /*************************************************************************
665 * RtlUshortByteSwap [NTDLL.@]
667 * Swap the bytes of an unsigned short value.
670 * i386 version takes argument in %cx. Other systems use the inline version.
673 __ASM_GLOBAL_FUNC(NTDLL_RtlUshortByteSwap,
680 /*************************************************************************
681 * RtlUniform [NTDLL.@]
683 * Generates an uniform random number
686 * seed [O] The seed of the Random function
689 * It returns a random number uniformly distributed over [0..MAXLONG-1].
692 * Generates an uniform random number using D.H. Lehmer's 1948 algorithm.
693 * In our case the algorithm is:
695 *| result = (*seed * 0x7fffffed + 0x7fffffc3) % MAXLONG;
700 * The native documentation states that the random number is
701 * uniformly distributed over [0..MAXLONG]. In reality the native
702 * function and our function return a random number uniformly
703 * distributed over [0..MAXLONG-1].
705 ULONG WINAPI RtlUniform (PULONG seed)
710 * Instead of the algorithm stated above, we use the algorithm
711 * below, which is totally equivalent (see the tests), but does
712 * not use a division and therefore is faster.
714 result = *seed * 0xffffffed + 0x7fffffc3;
715 if (result == 0xffffffff || result == 0x7ffffffe) {
716 result = (result + 2) & MAXLONG;
717 } else if (result == 0x7fffffff) {
719 } else if ((result & 0x80000000) == 0) {
720 result = result + (~result & 1);
722 result = (result + (result & 1)) & MAXLONG;
729 /*************************************************************************
730 * RtlRandom [NTDLL.@]
732 * Generates a random number
735 * seed [O] The seed of the Random function
738 * It returns a random number distributed over [0..MAXLONG-1].
740 ULONG WINAPI RtlRandom (PULONG seed)
742 static ULONG saved_value[128] =
743 { /* 0 */ 0x4c8bc0aa, 0x4c022957, 0x2232827a, 0x2f1e7626, 0x7f8bdafb, 0x5c37d02a, 0x0ab48f72, 0x2f0c4ffa,
744 /* 8 */ 0x290e1954, 0x6b635f23, 0x5d3885c0, 0x74b49ff8, 0x5155fa54, 0x6214ad3f, 0x111e9c29, 0x242a3a09,
745 /* 16 */ 0x75932ae1, 0x40ac432e, 0x54f7ba7a, 0x585ccbd5, 0x6df5c727, 0x0374dad1, 0x7112b3f1, 0x735fc311,
746 /* 24 */ 0x404331a9, 0x74d97781, 0x64495118, 0x323e04be, 0x5974b425, 0x4862e393, 0x62389c1d, 0x28a68b82,
747 /* 32 */ 0x0f95da37, 0x7a50bbc6, 0x09b0091c, 0x22cdb7b4, 0x4faaed26, 0x66417ccd, 0x189e4bfa, 0x1ce4e8dd,
748 /* 40 */ 0x5274c742, 0x3bdcf4dc, 0x2d94e907, 0x32eac016, 0x26d33ca3, 0x60415a8a, 0x31f57880, 0x68c8aa52,
749 /* 48 */ 0x23eb16da, 0x6204f4a1, 0x373927c1, 0x0d24eb7c, 0x06dd7379, 0x2b3be507, 0x0f9c55b1, 0x2c7925eb,
750 /* 56 */ 0x36d67c9a, 0x42f831d9, 0x5e3961cb, 0x65d637a8, 0x24bb3820, 0x4d08e33d, 0x2188754f, 0x147e409e,
751 /* 64 */ 0x6a9620a0, 0x62e26657, 0x7bd8ce81, 0x11da0abb, 0x5f9e7b50, 0x23e444b6, 0x25920c78, 0x5fc894f0,
752 /* 72 */ 0x5e338cbb, 0x404237fd, 0x1d60f80f, 0x320a1743, 0x76013d2b, 0x070294ee, 0x695e243b, 0x56b177fd,
753 /* 80 */ 0x752492e1, 0x6decd52f, 0x125f5219, 0x139d2e78, 0x1898d11e, 0x2f7ee785, 0x4db405d8, 0x1a028a35,
754 /* 88 */ 0x63f6f323, 0x1f6d0078, 0x307cfd67, 0x3f32a78a, 0x6980796c, 0x462b3d83, 0x34b639f2, 0x53fce379,
755 /* 96 */ 0x74ba50f4, 0x1abc2c4b, 0x5eeaeb8d, 0x335a7a0d, 0x3973dd20, 0x0462d66b, 0x159813ff, 0x1e4643fd,
756 /* 104 */ 0x06bc5c62, 0x3115e3fc, 0x09101613, 0x47af2515, 0x4f11ec54, 0x78b99911, 0x3db8dd44, 0x1ec10b9b,
757 /* 112 */ 0x5b5506ca, 0x773ce092, 0x567be81a, 0x5475b975, 0x7a2cde1a, 0x494536f5, 0x34737bb4, 0x76d9750b,
758 /* 120 */ 0x2a1f6232, 0x2e49644d, 0x7dddcbe7, 0x500cebdb, 0x619dab9e, 0x48c626fe, 0x1cda3193, 0x52dabe9d };
763 rand = (*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
764 *seed = (rand * 0x7fffffed + 0x7fffffc3) % 0x7fffffff;
766 result = saved_value[pos];
767 saved_value[pos] = rand;
772 /*************************************************************************
773 * RtlAreAllAccessesGranted [NTDLL.@]
775 * Check if all desired accesses are granted
778 * TRUE: All desired accesses are granted
781 BOOLEAN WINAPI RtlAreAllAccessesGranted(
782 ACCESS_MASK GrantedAccess,
783 ACCESS_MASK DesiredAccess)
785 return (GrantedAccess & DesiredAccess) == DesiredAccess;
789 /*************************************************************************
790 * RtlAreAnyAccessesGranted [NTDLL.@]
792 * Check if at least one of the desired accesses is granted
795 * GrantedAccess [I] Access mask of granted accesses
796 * DesiredAccess [I] Access mask of desired accesses
799 * TRUE: At least one of the desired accesses is granted
802 BOOLEAN WINAPI RtlAreAnyAccessesGranted(
803 ACCESS_MASK GrantedAccess,
804 ACCESS_MASK DesiredAccess)
806 return (GrantedAccess & DesiredAccess) != 0;
810 /*************************************************************************
811 * RtlMapGenericMask [NTDLL.@]
813 * Determine the nongeneric access rights specified by an access mask
818 void WINAPI RtlMapGenericMask(
819 PACCESS_MASK AccessMask,
820 const GENERIC_MAPPING *GenericMapping)
822 if (*AccessMask & GENERIC_READ) {
823 *AccessMask |= GenericMapping->GenericRead;
826 if (*AccessMask & GENERIC_WRITE) {
827 *AccessMask |= GenericMapping->GenericWrite;
830 if (*AccessMask & GENERIC_EXECUTE) {
831 *AccessMask |= GenericMapping->GenericExecute;
834 if (*AccessMask & GENERIC_ALL) {
835 *AccessMask |= GenericMapping->GenericAll;
838 *AccessMask &= 0x0FFFFFFF;
842 /*************************************************************************
843 * RtlCopyLuid [NTDLL.@]
845 * Copy a local unique ID.
848 * LuidDest [O] Destination for the copied Luid
849 * LuidSrc [I] Source Luid to copy to LuidDest
854 void WINAPI RtlCopyLuid (PLUID LuidDest, const LUID *LuidSrc)
856 *LuidDest = *LuidSrc;
860 /*************************************************************************
861 * RtlEqualLuid [NTDLL.@]
863 * Compare two local unique IDs.
866 * Luid1 [I] First Luid to compare to Luid2
867 * Luid2 [I] Second Luid to compare to Luid1
870 * TRUE: The two LUIDs are equal.
873 BOOLEAN WINAPI RtlEqualLuid (const LUID *Luid1, const LUID *Luid2)
875 return (Luid1->LowPart == Luid2->LowPart && Luid1->HighPart == Luid2->HighPart);
879 /*************************************************************************
880 * RtlCopyLuidAndAttributesArray [NTDLL.@]
882 * Copy an array of local unique IDs and attributes.
885 * Count [I] Number of Luid/attributes in Src
886 * Src [I] Source Luid/attributes to copy
887 * Dest [O] Destination for copied Luid/attributes
893 * Dest must be large enough to hold Src.
895 void WINAPI RtlCopyLuidAndAttributesArray(
897 const LUID_AND_ATTRIBUTES *Src,
898 PLUID_AND_ATTRIBUTES Dest)
902 for (i = 0; i < Count; i++) Dest[i] = Src[i];
905 NTSTATUS WINAPI RtlIpv4StringToAddressExW(PULONG IP, PULONG Port,
906 LPCWSTR Buffer, PULONG MaxSize)
908 FIXME("(%p,%p,%p,%p): stub\n", IP, Port, Buffer, MaxSize);
910 return STATUS_SUCCESS;
913 /***********************************************************************
914 * RtlIpv4AddressToStringExW [NTDLL.@]
916 * Convert the given ipv4 address and optional the port to a string
919 * pin [I] PTR to the ip address to convert (network byte order)
920 * port [I] optional port to convert (network byte order)
921 * buffer [O] destination buffer for the result
922 * psize [IO] PTR to available/used size of the destination buffer
925 * Success: STATUS_SUCCESS
926 * Failure: STATUS_INVALID_PARAMETER
929 NTSTATUS WINAPI RtlIpv4AddressToStringExW(const IN_ADDR *pin, USHORT port, LPWSTR buffer, PULONG psize)
932 static const WCHAR fmt_ip[] = {'%','u','.','%','u','.','%','u','.','%','u',0};
933 static const WCHAR fmt_port[] = {':','%','u',0};
936 if (!pin || !buffer || !psize)
937 return STATUS_INVALID_PARAMETER;
939 TRACE("(%p:0x%x, %d, %p, %p:%d)\n", pin, pin->S_un.S_addr, port, buffer, psize, *psize);
941 needed = sprintfW(tmp_ip, fmt_ip,
942 pin->S_un.S_un_b.s_b1, pin->S_un.S_un_b.s_b2,
943 pin->S_un.S_un_b.s_b3, pin->S_un.S_un_b.s_b4);
945 if (port) needed += sprintfW(tmp_ip + needed, fmt_port, ntohs(port));
947 if (*psize > needed) {
949 strcpyW(buffer, tmp_ip);
950 return STATUS_SUCCESS;
954 return STATUS_INVALID_PARAMETER;
957 /***********************************************************************
958 * RtlIpv4AddressToStringExA [NTDLL.@]
960 * Convert the given ipv4 address and optional the port to a string
962 * See RtlIpv4AddressToStringExW
964 NTSTATUS WINAPI RtlIpv4AddressToStringExA(const IN_ADDR *pin, USHORT port, LPSTR buffer, PULONG psize)
969 if (!pin || !buffer || !psize)
970 return STATUS_INVALID_PARAMETER;
972 TRACE("(%p:0x%x, %d, %p, %p:%d)\n", pin, pin->S_un.S_addr, port, buffer, psize, *psize);
974 needed = sprintf(tmp_ip, "%u.%u.%u.%u",
975 pin->S_un.S_un_b.s_b1, pin->S_un.S_un_b.s_b2,
976 pin->S_un.S_un_b.s_b3, pin->S_un.S_un_b.s_b4);
978 if (port) needed += sprintf(tmp_ip + needed, ":%u", ntohs(port));
980 if (*psize > needed) {
982 strcpy(buffer, tmp_ip);
983 return STATUS_SUCCESS;
987 return STATUS_INVALID_PARAMETER;
990 /***********************************************************************
991 * RtlIpv4AddressToStringW [NTDLL.@]
993 * Convert the given ipv4 address to a string
996 * pin [I] PTR to the ip address to convert (network byte order)
997 * buffer [O] destination buffer for the result (at least 16 character)
1000 * PTR to the 0 character at the end of the converted string
1003 WCHAR * WINAPI RtlIpv4AddressToStringW(const IN_ADDR *pin, LPWSTR buffer)
1007 if (RtlIpv4AddressToStringExW(pin, 0, buffer, &size)) size = 0;
1008 return buffer + size - 1;
1011 /***********************************************************************
1012 * RtlIpv4AddressToStringA [NTDLL.@]
1014 * Convert the given ipv4 address to a string
1016 * See RtlIpv4AddressToStringW
1018 CHAR * WINAPI RtlIpv4AddressToStringA(const IN_ADDR *pin, LPSTR buffer)
1022 if (RtlIpv4AddressToStringExA(pin, 0, buffer, &size)) size = 0;
1023 return buffer + size - 1;
1026 /***********************************************************************
1027 * get_pointer_obfuscator (internal)
1029 static DWORD_PTR get_pointer_obfuscator( void )
1031 static DWORD_PTR pointer_obfuscator;
1033 if (!pointer_obfuscator)
1035 ULONG seed = NtGetTickCount();
1038 /* generate a random value for the obfuscator */
1039 rand = RtlUniform( &seed );
1041 /* handle 64bit pointers */
1042 rand ^= (ULONG_PTR)RtlUniform( &seed ) << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
1044 /* set the high bits so dereferencing obfuscated pointers will (usually) crash */
1045 rand |= (ULONG_PTR)0xc0000000 << ((sizeof (DWORD_PTR) - sizeof (ULONG))*8);
1047 interlocked_cmpxchg_ptr( (void**) &pointer_obfuscator, (void*) rand, NULL );
1050 return pointer_obfuscator;
1053 /*************************************************************************
1054 * RtlEncodePointer [NTDLL.@]
1056 PVOID WINAPI RtlEncodePointer( PVOID ptr )
1058 DWORD_PTR ptrval = (DWORD_PTR) ptr;
1059 return (PVOID)(ptrval ^ get_pointer_obfuscator());
1062 PVOID WINAPI RtlDecodePointer( PVOID ptr )
1064 DWORD_PTR ptrval = (DWORD_PTR) ptr;
1065 return (PVOID)(ptrval ^ get_pointer_obfuscator());
1068 /*************************************************************************
1069 * RtlInitializeSListHead [NTDLL.@]
1071 VOID WINAPI RtlInitializeSListHead(PSLIST_HEADER list)
1074 list->s.Alignment = list->s.Region = 0;
1075 list->Header16.HeaderType = 1; /* we use the 16-byte header */
1077 list->Alignment = 0;
1081 /*************************************************************************
1082 * RtlQueryDepthSList [NTDLL.@]
1084 WORD WINAPI RtlQueryDepthSList(PSLIST_HEADER list)
1087 return list->Header16.Depth;
1089 return list->s.Depth;
1093 /*************************************************************************
1094 * RtlFirstEntrySList [NTDLL.@]
1096 PSLIST_ENTRY WINAPI RtlFirstEntrySList(const SLIST_HEADER* list)
1099 return (SLIST_ENTRY *)((ULONG_PTR)list->Header16.NextEntry << 4);
1101 return list->s.Next.Next;
1105 /*************************************************************************
1106 * RtlInterlockedFlushSList [NTDLL.@]
1108 PSLIST_ENTRY WINAPI RtlInterlockedFlushSList(PSLIST_HEADER list)
1110 SLIST_HEADER old, new;
1113 if (!list->Header16.Depth) return NULL;
1114 new.s.Alignment = new.s.Region = 0;
1115 new.Header16.HeaderType = 1; /* we use the 16-byte header */
1119 new.Header16.Sequence = old.Header16.Sequence + 1;
1120 } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1121 return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1123 if (!list->s.Depth) return NULL;
1128 new.s.Sequence = old.s.Sequence + 1;
1129 } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1130 old.Alignment) != old.Alignment);
1131 return old.s.Next.Next;
1135 /*************************************************************************
1136 * RtlInterlockedPushEntrySList [NTDLL.@]
1138 PSLIST_ENTRY WINAPI RtlInterlockedPushEntrySList(PSLIST_HEADER list, PSLIST_ENTRY entry)
1140 SLIST_HEADER old, new;
1143 new.Header16.NextEntry = (ULONG_PTR)entry >> 4;
1147 entry->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1148 new.Header16.Depth = old.Header16.Depth + 1;
1149 new.Header16.Sequence = old.Header16.Sequence + 1;
1150 } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1151 return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1153 new.s.Next.Next = entry;
1157 entry->Next = old.s.Next.Next;
1158 new.s.Depth = old.s.Depth + 1;
1159 new.s.Sequence = old.s.Sequence + 1;
1160 } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1161 old.Alignment) != old.Alignment);
1162 return old.s.Next.Next;
1166 /*************************************************************************
1167 * RtlInterlockedPopEntrySList [NTDLL.@]
1169 PSLIST_ENTRY WINAPI RtlInterlockedPopEntrySList(PSLIST_HEADER list)
1171 SLIST_HEADER old, new;
1178 if (!(entry = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4))) return NULL;
1179 /* entry could be deleted by another thread */
1182 new.Header16.NextEntry = (ULONG_PTR)entry->Next >> 4;
1183 new.Header16.Depth = old.Header16.Depth - 1;
1184 new.Header16.Sequence = old.Header16.Sequence + 1;
1190 } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1195 if (!(entry = old.s.Next.Next)) return NULL;
1196 /* entry could be deleted by another thread */
1199 new.s.Next.Next = entry->Next;
1200 new.s.Depth = old.s.Depth - 1;
1201 new.s.Sequence = old.s.Sequence + 1;
1207 } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1208 old.Alignment) != old.Alignment);
1213 /*************************************************************************
1214 * RtlInterlockedPushListSList [NTDLL.@]
1216 PSLIST_ENTRY WINAPI RtlInterlockedPushListSList(PSLIST_HEADER list, PSLIST_ENTRY first,
1217 PSLIST_ENTRY last, ULONG count)
1219 SLIST_HEADER old, new;
1222 new.Header16.NextEntry = (ULONG_PTR)first >> 4;
1226 new.Header16.Depth = old.Header16.Depth + count;
1227 new.Header16.Sequence = old.Header16.Sequence + 1;
1228 last->Next = (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1229 } while (!interlocked_cmpxchg128((__int64 *)list, new.s.Region, new.s.Alignment, (__int64 *)&old));
1230 return (SLIST_ENTRY *)((ULONG_PTR)old.Header16.NextEntry << 4);
1232 new.s.Next.Next = first;
1236 new.s.Depth = old.s.Depth + count;
1237 new.s.Sequence = old.s.Sequence + 1;
1238 last->Next = old.s.Next.Next;
1239 } while (interlocked_cmpxchg64((__int64 *)&list->Alignment, new.Alignment,
1240 old.Alignment) != old.Alignment);
1241 return old.s.Next.Next;
1245 /******************************************************************************
1246 * RtlGetCompressionWorkSpaceSize [NTDLL.@]
1248 NTSTATUS WINAPI RtlGetCompressionWorkSpaceSize(USHORT CompressionFormatAndEngine,
1249 PULONG CompressBufferWorkSpaceSize,
1250 PULONG CompressFragmentWorkSpaceSize)
1252 FIXME("0x%04x, %p, %p: stub!\n", CompressionFormatAndEngine, CompressBufferWorkSpaceSize,
1253 CompressFragmentWorkSpaceSize);
1255 return STATUS_NOT_IMPLEMENTED;
1258 /******************************************************************************
1259 * RtlCompressBuffer [NTDLL.@]
1261 NTSTATUS WINAPI RtlCompressBuffer(USHORT CompressionFormatAndEngine, PUCHAR UncompressedBuffer,
1262 ULONG UncompressedBufferSize, PUCHAR CompressedBuffer,
1263 ULONG CompressedBufferSize, ULONG UncompressedChunkSize,
1264 PULONG FinalCompressedSize, PVOID WorkSpace)
1266 FIXME("0x%04x, %p, %u, %p, %u, %u, %p, %p :stub\n", CompressionFormatAndEngine, UncompressedBuffer,
1267 UncompressedBufferSize, CompressedBuffer, CompressedBufferSize, UncompressedChunkSize,
1268 FinalCompressedSize, WorkSpace);
1270 return STATUS_NOT_IMPLEMENTED;
1273 /******************************************************************************
1274 * RtlDecompressBuffer [NTDLL.@]
1276 NTSTATUS WINAPI RtlDecompressBuffer(USHORT CompressionFormat, PUCHAR UncompressedBuffer,
1277 ULONG UncompressedBufferSize, PUCHAR CompressedBuffer,
1278 ULONG CompressedBufferSize, PULONG FinalUncompressedSize)
1280 FIXME("0x%04x, %p, %u, %p, %u, %p :stub\n", CompressionFormat, UncompressedBuffer, UncompressedBufferSize,
1281 CompressedBuffer, CompressedBufferSize, FinalUncompressedSize);
1283 return STATUS_NOT_IMPLEMENTED;
1286 /***********************************************************************
1287 * RtlSetThreadErrorMode [NTDLL.@]
1289 * Set the thread local error mode.
1292 * mode [I] The new error mode
1293 * oldmode [O] Destination of the old error mode (may be NULL)
1296 * Success: STATUS_SUCCESS
1297 * Failure: STATUS_INVALID_PARAMETER_1
1299 NTSTATUS WINAPI RtlSetThreadErrorMode( DWORD mode, LPDWORD oldmode )
1302 return STATUS_INVALID_PARAMETER_1;
1305 *oldmode = NtCurrentTeb()->HardErrorDisabled;
1307 NtCurrentTeb()->HardErrorDisabled = mode;
1308 return STATUS_SUCCESS;
1311 /***********************************************************************
1312 * RtlGetThreadErrorMode [NTDLL.@]
1314 * Get the thread local error mode.
1320 * The current thread local error mode.
1322 DWORD WINAPI RtlGetThreadErrorMode( void )
1324 return NtCurrentTeb()->HardErrorDisabled;
1327 /******************************************************************************
1328 * RtlGetCurrentTransaction [NTDLL.@]
1330 HANDLE WINAPI RtlGetCurrentTransaction(void)
1332 FIXME("() :stub\n");
1336 /******************************************************************************
1337 * RtlSetCurrentTransaction [NTDLL.@]
1339 BOOL WINAPI RtlSetCurrentTransaction(HANDLE new_transaction)
1341 FIXME("(%p) :stub\n", new_transaction);