ReactOS 0.4.16-dev-2522-g97cc325
Macros | Functions
rw.c File Reference
#include <k32.h>
#include <debug.h>
Include dependency graph for rw.c:

Go to the source code of this file.

Macros

#define NDEBUG
 

Functions

 DEBUG_CHANNEL (kernel32file)
 
BOOL WINAPI WriteFile (IN HANDLE hFile, IN LPCVOID lpBuffer, IN DWORD nNumberOfBytesToWrite OPTIONAL, OUT LPDWORD lpNumberOfBytesWritten, IN LPOVERLAPPED lpOverlapped OPTIONAL)
 
BOOL WINAPI ReadFile (IN HANDLE hFile, IN LPVOID lpBuffer, IN DWORD nNumberOfBytesToRead, OUT LPDWORD lpNumberOfBytesRead OPTIONAL, IN LPOVERLAPPED lpOverlapped OPTIONAL)
 
VOID WINAPI ApcRoutine (PVOID ApcContext, PIO_STATUS_BLOCK IoStatusBlock, ULONG Reserved)
 
BOOL WINAPI WriteFileEx (IN HANDLE hFile, IN LPCVOID lpBuffer, IN DWORD nNumberOfBytesToWrite OPTIONAL, IN LPOVERLAPPED lpOverlapped, IN LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 
BOOL WINAPI ReadFileEx (IN HANDLE hFile, IN LPVOID lpBuffer, IN DWORD nNumberOfBytesToRead OPTIONAL, IN LPOVERLAPPED lpOverlapped, IN LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 
BOOL WINAPI ReadFileScatter (HANDLE hFile, FILE_SEGMENT_ELEMENT aSegmentArray[], DWORD nNumberOfBytesToRead, LPDWORD lpReserved, LPOVERLAPPED lpOverlapped)
 
BOOL WINAPI WriteFileGather (HANDLE hFile, FILE_SEGMENT_ELEMENT aSegmentArray[], DWORD nNumberOfBytesToWrite, LPDWORD lpReserved, LPOVERLAPPED lpOverlapped)
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 14 of file rw.c.

Function Documentation

◆ ApcRoutine()

VOID WINAPI ApcRoutine ( PVOID  ApcContext,
PIO_STATUS_BLOCK  IoStatusBlock,
ULONG  Reserved 
)

Definition at line 239 of file rw.c.

242{
243 DWORD dwErrorCode;
244 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine =
245 (LPOVERLAPPED_COMPLETION_ROUTINE)ApcContext;
246
247 dwErrorCode = RtlNtStatusToDosError(IoStatusBlock->Status);
248 lpCompletionRoutine(dwErrorCode,
249 IoStatusBlock->Information,
250 (LPOVERLAPPED)IoStatusBlock);
251}
DWORD
unsigned long DWORD
Definition: ntddk_ex.h:95
LPOVERLAPPED_COMPLETION_ROUTINE
VOID(WINAPI * LPOVERLAPPED_COMPLETION_ROUTINE)(_In_ DWORD dwErrorCode, _In_ DWORD dwNumberOfBytesTransfered, _Inout_ LPOVERLAPPED lpOverlapped)
Definition: minwinbase.h:386
ApcContext
_In_opt_ HANDLE _In_opt_ PIO_APC_ROUTINE _In_opt_ PVOID ApcContext
Definition: iofuncs.h:727
IoStatusBlock
static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
_IO_STATUS_BLOCK::Status
ULONG Status
Definition: env_spec_w32.h:871
_IO_STATUS_BLOCK::Information
ULONG Information
Definition: env_spec_w32.h:872
_OVERLAPPED
Definition: minwinbase.h:218
RtlNtStatusToDosError
NTSYSAPI ULONG WINAPI RtlNtStatusToDosError(NTSTATUS)

◆ DEBUG_CHANNEL()

DEBUG_CHANNEL ( kernel32file  )

◆ ReadFile()

BOOL WINAPI ReadFile ( IN HANDLE  hFile,
IN LPVOID  lpBuffer,
IN DWORD  nNumberOfBytesToRead,
OUT LPDWORD lpNumberOfBytesRead  OPTIONAL,
IN LPOVERLAPPED lpOverlapped  OPTIONAL 
)

Definition at line 121 of file rw.c.

126{
127 NTSTATUS Status;
128
129 TRACE("ReadFile(hFile %p)\n", hFile);
130
131 if (lpNumberOfBytesRead != NULL) *lpNumberOfBytesRead = 0;
132
133 hFile = TranslateStdHandle(hFile);
134
135 if (IsConsoleHandle(hFile))
136 {
137 if (ReadConsoleA(hFile,
138 lpBuffer,
139 nNumberOfBytesToRead,
140 lpNumberOfBytesRead,
141 NULL))
142 {
143 DWORD dwMode;
144 GetConsoleMode(hFile, &dwMode);
145 if ((dwMode & ENABLE_PROCESSED_INPUT) && *(PCHAR)lpBuffer == 0x1a)
146 {
147 /* EOF character entered; simulate end-of-file */
148 *lpNumberOfBytesRead = 0;
149 }
150 return TRUE;
151 }
152 return FALSE;
153 }
154
155 if (lpOverlapped != NULL)
156 {
157 LARGE_INTEGER Offset;
158 PVOID ApcContext;
159
160 Offset.u.LowPart = lpOverlapped->Offset;
161 Offset.u.HighPart = lpOverlapped->OffsetHigh;
162 lpOverlapped->Internal = STATUS_PENDING;
163 ApcContext = (((ULONG_PTR)lpOverlapped->hEvent & 0x1) ? NULL : lpOverlapped);
164
165 Status = NtReadFile(hFile,
166 lpOverlapped->hEvent,
167 NULL,
168 ApcContext,
169 (PIO_STATUS_BLOCK)lpOverlapped,
170 lpBuffer,
171 nNumberOfBytesToRead,
172 &Offset,
173 NULL);
174
175 /* return FALSE in case of failure and pending operations! */
176 if (!NT_SUCCESS(Status) || Status == STATUS_PENDING)
177 {
178 if (Status == STATUS_END_OF_FILE && lpNumberOfBytesRead != NULL)
179 *lpNumberOfBytesRead = 0;
180
181 BaseSetLastNTError(Status);
182 return FALSE;
183 }
184
185 if (lpNumberOfBytesRead != NULL)
186 *lpNumberOfBytesRead = lpOverlapped->InternalHigh;
187 }
188 else
189 {
190 IO_STATUS_BLOCK Iosb;
191
192 Status = NtReadFile(hFile,
193 NULL,
194 NULL,
195 NULL,
196 &Iosb,
197 lpBuffer,
198 nNumberOfBytesToRead,
199 NULL,
200 NULL);
201
202 /* Wait in case operation is pending */
203 if (Status == STATUS_PENDING)
204 {
205 Status = NtWaitForSingleObject(hFile, FALSE, NULL);
206 if (NT_SUCCESS(Status)) Status = Iosb.Status;
207 }
208
209 if (Status == STATUS_END_OF_FILE)
210 {
211 /*
212 * lpNumberOfBytesRead must not be NULL here, in fact Win doesn't
213 * check that case either and crashes (only after the operation
214 * completed).
215 */
216 *lpNumberOfBytesRead = 0;
217 return TRUE;
218 }
219
220 /*
221 * lpNumberOfBytesRead must not be NULL here, in fact Win doesn't
222 * check that case either and crashes (only after the operation
223 * completed).
224 */
225 *lpNumberOfBytesRead = Iosb.Information;
226
227 if (!NT_SUCCESS(Status))
228 {
229 BaseSetLastNTError(Status);
230 return FALSE;
231 }
232 }
233
234 TRACE("ReadFile() succeeded\n");
235 return TRUE;
236}
NTSTATUS
LONG NTSTATUS
Definition: precomp.h:26
NULL
#define NULL
Definition: types.h:112
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:33
GetConsoleMode
BOOL WINAPI GetConsoleMode(HANDLE hConsoleHandle, LPDWORD lpMode)
Definition: console.c:1571
ReadConsoleA
BOOL WINAPI DECLSPEC_HOTPATCH ReadConsoleA(IN HANDLE hConsoleInput, OUT LPVOID lpBuffer, IN DWORD nNumberOfCharsToRead, OUT LPDWORD lpNumberOfCharsRead, IN PCONSOLE_READCONSOLE_CONTROL pInputControl OPTIONAL)
Definition: readwrite.c:1195
TranslateStdHandle
HANDLE TranslateStdHandle(IN HANDLE hHandle)
Definition: handle.c:19
Iosb
return Iosb
Definition: create.c:4403
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
Status
Status
Definition: gdiplustypes.h:25
hFile
_In_ HANDLE hFile
Definition: mswsock.h:90
lpOverlapped
_In_ HANDLE _In_ DWORD _In_ DWORD _Inout_opt_ LPOVERLAPPED lpOverlapped
Definition: mswsock.h:93
lpBuffer
_Out_ LPWSTR lpBuffer
Definition: netsh.h:68
NtWaitForSingleObject
NTSYSAPI NTSTATUS NTAPI NtWaitForSingleObject(IN HANDLE hObject, IN BOOLEAN bAlertable, IN PLARGE_INTEGER Timeout)
Offset
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
BaseSetLastNTError
DWORD BaseSetLastNTError(IN NTSTATUS Status)
Definition: reactos.cpp:167
IsConsoleHandle
#define IsConsoleHandle(h)
Definition: console.h:14
STATUS_END_OF_FILE
#define STATUS_END_OF_FILE
Definition: shellext.h:67
NtReadFile
NTSTATUS NTAPI NtReadFile(HANDLE FileHandle, HANDLE Event, PIO_APC_ROUTINE ApcRoutine, PVOID ApcContext, PIO_STATUS_BLOCK IoStatusBlock, PVOID Buffer, ULONG Length, PLARGE_INTEGER ByteOffset, PULONG Key)
TRACE
#define TRACE(s)
Definition: solgame.cpp:4
_IO_STATUS_BLOCK
Definition: env_spec_w32.h:870
STATUS_PENDING
#define STATUS_PENDING
Definition: telnetd.h:14
PCHAR
char * PCHAR
Definition: typedefs.h:51
_LARGE_INTEGER
Definition: typedefs.h:103
ENABLE_PROCESSED_INPUT
#define ENABLE_PROCESSED_INPUT
Definition: wincon.h:107

◆ ReadFileEx()

BOOL WINAPI ReadFileEx ( IN HANDLE  hFile,
IN LPVOID  lpBuffer,
IN DWORD nNumberOfBytesToRead  OPTIONAL,
IN LPOVERLAPPED  lpOverlapped,
IN LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine 
)

Definition at line 295 of file rw.c.

300{
301 LARGE_INTEGER Offset;
302 NTSTATUS Status;
303
304 Offset.u.LowPart = lpOverlapped->Offset;
305 Offset.u.HighPart = lpOverlapped->OffsetHigh;
306 lpOverlapped->Internal = STATUS_PENDING;
307
308 Status = NtReadFile(hFile,
309 NULL,
310 ApcRoutine,
311 lpCompletionRoutine,
312 (PIO_STATUS_BLOCK)lpOverlapped,
313 lpBuffer,
314 nNumberOfBytesToRead,
315 &Offset,
316 NULL);
317
318 if (!NT_SUCCESS(Status))
319 {
320 BaseSetLastNTError(Status);
321 return FALSE;
322 }
323
324 return TRUE;
325}
ApcRoutine
_In_opt_ HANDLE _In_opt_ PIO_APC_ROUTINE ApcRoutine
Definition: iofuncs.h:726

Referenced by pipeserver(), ReadPipeCompletion(), serverThreadMain5(), test_readfileex_pending(), and WdmAudCommitWaveBufferByLegacy().

◆ ReadFileScatter()

BOOL WINAPI ReadFileScatter ( HANDLE  hFile,
FILE_SEGMENT_ELEMENT  aSegmentArray[],
DWORD  nNumberOfBytesToRead,
LPDWORD  lpReserved,
LPOVERLAPPED  lpOverlapped 
)

Definition at line 333 of file rw.c.

338{
339 PIO_STATUS_BLOCK pIOStatus;
340 LARGE_INTEGER Offset;
341 NTSTATUS Status;
342
343 DPRINT("(%p %p %u %p)\n", hFile, aSegmentArray, nNumberOfBytesToRead, lpOverlapped);
344
345 Offset.LowPart = lpOverlapped->Offset;
346 Offset.HighPart = lpOverlapped->OffsetHigh;
347 pIOStatus = (PIO_STATUS_BLOCK) lpOverlapped;
348 pIOStatus->Status = STATUS_PENDING;
349 pIOStatus->Information = 0;
350
351 Status = NtReadFileScatter(hFile,
352 NULL,
353 NULL,
354 NULL,
355 pIOStatus,
356 aSegmentArray,
357 nNumberOfBytesToRead,
358 &Offset,
359 NULL);
360
361 if (!NT_SUCCESS(Status))
362 {
363 SetLastError(RtlNtStatusToDosError(Status));
364 return FALSE;
365 }
366
367 return TRUE;
368}
SetLastError
#define SetLastError(x)
Definition: compat.h:752
PIO_STATUS_BLOCK
struct _IO_STATUS_BLOCK * PIO_STATUS_BLOCK
Definition: change.c:34
NtReadFileScatter
NTSTATUS NTAPI NtReadFileScatter(IN HANDLE FileHandle, IN HANDLE Event OPTIONAL, IN PIO_APC_ROUTINE UserApcRoutine OPTIONAL, IN PVOID UserApcContext OPTIONAL, OUT PIO_STATUS_BLOCK UserIoStatusBlock, IN FILE_SEGMENT_ELEMENT BufferDescription[], IN ULONG BufferLength, IN PLARGE_INTEGER ByteOffset, IN PULONG Key OPTIONAL)
Definition: iofunc.c:3063
DPRINT
#define DPRINT
Definition: sndvol32.h:73

◆ WriteFile()

BOOL WINAPI WriteFile ( IN HANDLE  hFile,
IN LPCVOID  lpBuffer,
IN DWORD nNumberOfBytesToWrite  OPTIONAL,
OUT LPDWORD  lpNumberOfBytesWritten,
IN LPOVERLAPPED lpOverlapped  OPTIONAL 
)

Definition at line 24 of file rw.c.

29{
30 NTSTATUS Status;
31
32 TRACE("WriteFile(hFile %p)\n", hFile);
33
34 if (lpNumberOfBytesWritten != NULL) *lpNumberOfBytesWritten = 0;
35
36 hFile = TranslateStdHandle(hFile);
37
38 if (IsConsoleHandle(hFile))
39 {
40 return WriteConsoleA(hFile,
41 lpBuffer,
42 nNumberOfBytesToWrite,
43 lpNumberOfBytesWritten,
44 lpOverlapped);
45 }
46
47 if (lpOverlapped != NULL)
48 {
49 LARGE_INTEGER Offset;
50 PVOID ApcContext;
51
52 Offset.u.LowPart = lpOverlapped->Offset;
53 Offset.u.HighPart = lpOverlapped->OffsetHigh;
54 lpOverlapped->Internal = STATUS_PENDING;
55 ApcContext = (((ULONG_PTR)lpOverlapped->hEvent & 0x1) ? NULL : lpOverlapped);
56
57 Status = NtWriteFile(hFile,
58 lpOverlapped->hEvent,
59 NULL,
60 ApcContext,
61 (PIO_STATUS_BLOCK)lpOverlapped,
62 (PVOID)lpBuffer,
63 nNumberOfBytesToWrite,
64 &Offset,
65 NULL);
66
67 /* return FALSE in case of failure and pending operations! */
68 if (!NT_SUCCESS(Status) || Status == STATUS_PENDING)
69 {
70 BaseSetLastNTError(Status);
71 return FALSE;
72 }
73
74 if (lpNumberOfBytesWritten != NULL)
75 *lpNumberOfBytesWritten = lpOverlapped->InternalHigh;
76 }
77 else
78 {
79 IO_STATUS_BLOCK Iosb;
80
81 Status = NtWriteFile(hFile,
82 NULL,
83 NULL,
84 NULL,
85 &Iosb,
86 (PVOID)lpBuffer,
87 nNumberOfBytesToWrite,
88 NULL,
89 NULL);
90
91 /* Wait in case operation is pending */
92 if (Status == STATUS_PENDING)
93 {
94 Status = NtWaitForSingleObject(hFile, FALSE, NULL);
95 if (NT_SUCCESS(Status)) Status = Iosb.Status;
96 }
97
98 /*
99 * lpNumberOfBytesWritten must not be NULL here, in fact Win doesn't
100 * check that case either and crashes (only after the operation
101 * completed).
102 */
103 *lpNumberOfBytesWritten = Iosb.Information;
104
105 if (!NT_SUCCESS(Status))
106 {
107 BaseSetLastNTError(Status);
108 return FALSE;
109 }
110 }
111
112 TRACE("WriteFile() succeeded\n");
113 return TRUE;
114}
WriteConsoleA
BOOL WINAPI DECLSPEC_HOTPATCH WriteConsoleA(IN HANDLE hConsoleOutput, IN CONST VOID *lpBuffer, IN DWORD nNumberOfCharsToWrite, OUT LPDWORD lpNumberOfCharsWritten, LPVOID lpReserved)
Definition: readwrite.c:1468
nNumberOfBytesToWrite
_In_ HANDLE _In_ DWORD nNumberOfBytesToWrite
Definition: mswsock.h:91
NtWriteFile
NTSYSAPI NTSTATUS NTAPI NtWriteFile(IN HANDLE hFile, IN HANDLE hEvent OPTIONAL, IN PIO_APC_ROUTINE IoApcRoutine OPTIONAL, IN PVOID IoApcContext OPTIONAL, OUT PIO_STATUS_BLOCK pIoStatusBlock, IN PVOID WriteBuffer, IN ULONG WriteBufferLength, IN PLARGE_INTEGER FileOffset OPTIONAL, IN PULONG LockOperationKey OPTIONAL)

Referenced by __report_error(), __WINE_PRINTF_ATTR(), _hwrite(), _overlapped_write_async(), _overlapped_write_sync(), _RunRemoteTest(), _tiffWriteProc(), _VCrtDbgReportA(), _VCrtDbgReportW(), append_file(), ata_bblk(), BackupBootSector(), BestFit_CreateFile(), BestFit_Write(), build_exe(), cabinet_write(), child_process(), ClipboardWriteMemory(), CloseEnhMetaFile(), CloseMetaFile(), BtrfsRecv::cmd_setxattr(), BtrfsRecv::cmd_write(), CmosWriteFile(), ConErrPrintf(), ConOutPuts(), ConWrite(), copy(), CopyEnhMetaFileA(), CopyEnhMetaFileW(), CopyMetaFileW(), create_and_write_file(), create_assembly(), create_avi_file(), create_bitmap(), create_bitmap_file(), create_cache_entry(), create_cache_file(), create_cdf_file(), create_chm(), create_file(), create_file_data(), create_ico_file(), create_inf_file(), create_manifest_file(), create_source_file(), create_source_fileA(), create_source_fileW(), create_temp_binary(), create_temp_file(), create_temp_manifest_file(), create_test_dll(), create_test_dll_sections(), create_test_file(), create_testfontfile(), create_textstream(), create_tmp_ini_file(), create_xml_file(), CreateEnhMetaFileW(), CreateMetaFileW(), createTestFile(), CreateTestFile(), CRYPT_CacheURL(), CRYPT_FileOutputFunc(), CRYPT_SavePKCSToFile(), custom_action_server(), custom_client_thread(), custom_stop_server(), DllRegisterServer(), doChild(), DoEntry(), DoExport(), DoFileSave(), domdoc_save_writecallback(), DoSaveFile(), DosWriteFile(), DoTypeFile(), DoWriteFile(), dump_memory64_info(), dump_memory_info(), dump_system_info(), DumpMemoryRaw(), DumpMemoryTxt(), EMFDRV_WriteRecord(), EnumThreadProc(), CShellCommandValue::Execute(), exerciseServer(), export_field(), export_forcecodepage(), export_record(), export_stream(), export_summaryinformation(), ExtCabCallback(), extract2(), extract_one(), extract_resource(), ExtractFilesFromZip(), ExtractResource(), CZipExtract::ExtractSingle(), ExtractTTFFile(), fci_write(), fdi_write(), FileLockBytesImpl_WriteAt(), FNWRITE(), FormatOutput(), FTP_RetrieveFileData(), FTPFILE_ReadFile(), gen_forward_chain_testdll(), Generate(), get_test_dll_path(), get_thread_dll_path(), GetAndSendInputThread(), getpass(), ICreateTypeLib2_fnSaveAllChanges(), IDirectXFileImpl_CreateEnumObject(), IDirectXFileImpl_RegisterTemplates(), ImageAddCertificate(), IMAGEHLP_RecalculateChecksum(), IMAGEHLP_SetSecurityDirOffset(), ImageRemoveCertificate(), inf_open_file_content(), initFileFromData(), InitLogging(), InstallDevice(), InstanceThread(), IStream_fnWrite(), ITERATE_PublishIcon(), load_resource(), load_v6_module(), LocalmonWritePort(), LocalWritePrinter(), LogToFile(), mailslot_test(), MailSlotWriter(), main(), make_tmp_file(), makeFile(), makestringfile(), MFDRV_CloseMetaFile(), MFDRV_WriteRecord(), MSI_ProcessMessageVerbatim(), myprintf(), named_pipe_client_func(), CNewMenu::NewItemByNonCommand(), OLECONVERT_GetOLE20FromOLE10(), output_header(), output_string(), output_writeconsole(), OutputResult(), TANSIParser::ParseBuffer(), CDownloadManager::PerformDownloadAndInstall(), PersistFile_Save(), PipeWriter(), print_string(), printit(), PROFILE_WriteLine(), PROFILE_WriteMarker(), pSetupDebugPrint(), read_http_stream(), read_pipe_test(), RecycleBin5_Create(), BtrfsContextMenu::reflink_copy(), reflink_copy2(), RemoveFile(), replace(), Rs232Thread(), Rs232WriteByteWin32(), WriterThread::Run(), run_cmd(), run_script(), save_base64(), save_blackbox(), save_der(), save_persistent_cookie(), save_pfx(), save_profile(), save_prop(), SaveServicesToFile(), SaveTextFileFromEdit(), sc_cb_write(), ScConnectControlPipe(), ScrnshotDownloadCallback(), ScServiceDispatcher(), send_msg(), send_subvol(), CJournaledTestList::SerializeIntoJournal(), serverThreadMain1(), serverThreadMain2(), serverThreadMain3(), serverThreadMain4(), SetupLogErrorA(), START_TEST(), stream_out(), taskkill_vprintfW(), tcp_send(), TerminateShell(), test_AtlAxCreateControl(), test_ax_win(), test_bind_image_ex(), test_cache_read(), test_calchash(), test_catalog_properties(), test_CloseHandle(), test_completion(), test_Console(), test_create_catalog_file(), test_create_db_imp(), test_create_exe_imp(), test_create_file_imp(), test_create_ne_imp(), test_CreateNamedPipe(), test_CreatePipe(), test_CryptCATAdminAddRemoveCatalog(), test_dib_bits_access(), test_DisconnectNamedPipe(), test_domdoc(), test_ExitProcess(), test_file_contents(), test_file_protocol(), test_FileSecurity(), test_filesourcefilter(), test_FindFirstChangeNotification(), test_FlushFileBuffers(), test_FreeConsole(), test_get_digest_stream(), test_get_inf_class(), test_http_cache(), test_image_load(), test_ImpersonateNamedPipeClient(), test_import_resolution(), test_int_widths(), test_iocp_callback(), test_ITextDocument_Open(), test_kernel32_tp_io(), test_LoadIconWithScaleDown(), test_LoadImage_working_directory_run(), test_LoadImageFile(), test_LocalizedNames(), test_LoopbackRead(), test_LZCopy(), test_LZRead(), test_mhtml_protocol_binding(), test_monochrome_icon(), test_multiple_signatures(), test_nowait(), test_null_device(), test_OleLoadPicturePath(), test_openbackup(), test_overlapped(), test_parent_process_attribute(), test_pe_image_hash(), test_pe_os_version(), test_profile_delete_on_close(), test_profile_existing(), test_profile_refresh(), test_profile_sections(), test_profile_sections_names(), test_profile_string(), test_query_recyclebin(), Test_RawSize(), test_read_write(), test_ReadFile(), test_readfileex_pending(), test_readonlyfile(), test_readonlyfile_cab(), test_RegLoadMUIString(), test_ResolveDelayLoadedAPI(), test_saxreader(), test_saxreader_encoding(), test_section_access(), Test_SectionContents(), test_sip(), test_sip_create_indirect_data(), test_SIPRetrieveSubjectGUID(), test_textstream(), test_tp_io(), test_TransformWithLoadingLocalFile(), Test_Truncate(), test_WaitRx(), test_waittxempty(), test_wintrust_digest(), test_write_watch(), testWriteSimple(), textstream_writecrlf(), textstream_writestr(), BtrfsSend::Thread(), translateinfstringex_test(), UDFPhWriteSynchronous(), unpack_avi_file(), CJournaledTestList::UpdateJournal(), VfdCreateImageFile(), VfdFormatMedia(), VfdOpenImage(), VfdSaveImage(), win32_write_file_func(), WMSFT_write_segment(), Write(), CPipe::Write(), write_binary_nolock(), write_buffer_to_file(), write_double_translated_ansi_nolock(), write_file(), write_inifile(), write_manifest(), write_raw_file(), write_resource(), write_resource_file(), write_string_to_console(), write_text_ansi_nolock(), write_text_utf16le_nolock(), write_text_utf8_nolock(), write_tmp_file(), write_to_file(), write_typelib(), write_wav(), writeat(), WriteClipboardFile(), WriteDisk(), WriteEncodedText(), CJournaledTestList::WriteInitialJournalFile(), WriteJobShadowFile(), WritePrinter(), WriteRdpFile(), WriteSdbFile(), TNetwork::WriteString(), WriteToLog(), WriteToPipeThread(), WriteVolumeSector(), wWinMain(), and XCOPY_wprintf().

◆ WriteFileEx()

BOOL WINAPI WriteFileEx ( IN HANDLE  hFile,
IN LPCVOID  lpBuffer,
IN DWORD nNumberOfBytesToWrite  OPTIONAL,
IN LPOVERLAPPED  lpOverlapped,
IN LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine 
)

Definition at line 258 of file rw.c.

263{
264 LARGE_INTEGER Offset;
265 NTSTATUS Status;
266
267 Offset.u.LowPart = lpOverlapped->Offset;
268 Offset.u.HighPart = lpOverlapped->OffsetHigh;
269 lpOverlapped->Internal = STATUS_PENDING;
270
271 Status = NtWriteFile(hFile,
272 NULL,
273 ApcRoutine,
274 lpCompletionRoutine,
275 (PIO_STATUS_BLOCK)lpOverlapped,
276 (PVOID)lpBuffer,
277 nNumberOfBytesToWrite,
278 &Offset,
279 NULL);
280
281 if (!NT_SUCCESS(Status))
282 {
283 BaseSetLastNTError(Status);
284 return FALSE;
285 }
286
287 return TRUE;
288}

Referenced by ReadPipeCompletion(), serverThreadMain5(), test_readfileex_pending(), WdmAudCommitWaveBufferByLegacy(), WriteFileEx_Committer(), and WriteFileEx_Remixer().

◆ WriteFileGather()

BOOL WINAPI WriteFileGather ( HANDLE  hFile,
FILE_SEGMENT_ELEMENT  aSegmentArray[],
DWORD  nNumberOfBytesToWrite,
LPDWORD  lpReserved,
LPOVERLAPPED  lpOverlapped 
)

Definition at line 375 of file rw.c.

380{
381 PIO_STATUS_BLOCK IOStatus;
382 LARGE_INTEGER Offset;
383 NTSTATUS Status;
384
385 DPRINT("%p %p %u %p\n", hFile, aSegmentArray, nNumberOfBytesToWrite, lpOverlapped);
386
387 Offset.LowPart = lpOverlapped->Offset;
388 Offset.HighPart = lpOverlapped->OffsetHigh;
389 IOStatus = (PIO_STATUS_BLOCK) lpOverlapped;
390 IOStatus->Status = STATUS_PENDING;
391 IOStatus->Information = 0;
392
393 Status = NtWriteFileGather(hFile,
394 NULL,
395 NULL,
396 NULL,
397 IOStatus,
398 aSegmentArray,
399 nNumberOfBytesToWrite,
400 &Offset,
401 NULL);
402
403 if (!NT_SUCCESS(Status))
404 {
405 SetLastError(RtlNtStatusToDosError(Status));
406 return FALSE;
407 }
408
409 return TRUE;
410}
NtWriteFileGather
NTSTATUS NTAPI NtWriteFileGather(IN HANDLE FileHandle, IN HANDLE Event OPTIONAL, IN PIO_APC_ROUTINE UserApcRoutine OPTIONAL, IN PVOID UserApcContext OPTIONAL, OUT PIO_STATUS_BLOCK UserIoStatusBlock, IN FILE_SEGMENT_ELEMENT BufferDescription[], IN ULONG BufferLength, IN PLARGE_INTEGER ByteOffset, IN PULONG Key OPTIONAL)
Definition: iofunc.c:4132