ReactOS 0.4.15-dev-8222-g9164419
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 243 of file rw.c.

246{
247 DWORD dwErrorCode;
248 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine =
250
252 lpCompletionRoutine(dwErrorCode,
255}
unsigned long DWORD
Definition: ntddk_ex.h:95
NTSYSAPI ULONG WINAPI RtlNtStatusToDosError(NTSTATUS)
static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
_In_opt_ HANDLE _In_opt_ PIO_APC_ROUTINE _In_opt_ PVOID ApcContext
Definition: iofuncs.h:727
void(CALLBACK * LPOVERLAPPED_COMPLETION_ROUTINE)(DWORD, DWORD, LPOVERLAPPED)
Definition: winbase.h:1451

◆ 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 123 of file rw.c.

128{
130
131 TRACE("ReadFile(hFile %p)\n", hFile);
132
133 if (lpNumberOfBytesRead != NULL) *lpNumberOfBytesRead = 0;
134
136
138 {
140 lpBuffer,
141 nNumberOfBytesToRead,
142 lpNumberOfBytesRead,
143 NULL))
144 {
145 DWORD dwMode;
146 GetConsoleMode(hFile, &dwMode);
147 if ((dwMode & ENABLE_PROCESSED_INPUT) && *(PCHAR)lpBuffer == 0x1a)
148 {
149 /* EOF character entered; simulate end-of-file */
150 *lpNumberOfBytesRead = 0;
151 }
152 return TRUE;
153 }
154 return FALSE;
155 }
156
157 if (lpOverlapped != NULL)
158 {
161
162 Offset.u.LowPart = lpOverlapped->Offset;
163 Offset.u.HighPart = lpOverlapped->OffsetHigh;
164 lpOverlapped->Internal = STATUS_PENDING;
165 ApcContext = (((ULONG_PTR)lpOverlapped->hEvent & 0x1) ? NULL : lpOverlapped);
166
168 lpOverlapped->hEvent,
169 NULL,
172 lpBuffer,
173 nNumberOfBytesToRead,
174 &Offset,
175 NULL);
176
177 /* return FALSE in case of failure and pending operations! */
179 {
180 if (Status == STATUS_END_OF_FILE && lpNumberOfBytesRead != NULL)
181 *lpNumberOfBytesRead = 0;
182
184 return FALSE;
185 }
186
187 if (lpNumberOfBytesRead != NULL)
188 *lpNumberOfBytesRead = lpOverlapped->InternalHigh;
189 }
190 else
191 {
193
195 NULL,
196 NULL,
197 NULL,
198 &Iosb,
199 lpBuffer,
200 nNumberOfBytesToRead,
201 NULL,
202 NULL);
203
204 /* Wait in case operation is pending */
205 if (Status == STATUS_PENDING)
206 {
208 if (NT_SUCCESS(Status)) Status = Iosb.Status;
209 }
210
212 {
213 /*
214 * lpNumberOfBytesRead must not be NULL here, in fact Win doesn't
215 * check that case either and crashes (only after the operation
216 * completed).
217 */
218 *lpNumberOfBytesRead = 0;
219 return TRUE;
220 }
221
222 if (NT_SUCCESS(Status))
223 {
224 /*
225 * lpNumberOfBytesRead must not be NULL here, in fact Win doesn't
226 * check that case either and crashes (only after the operation
227 * completed).
228 */
229 *lpNumberOfBytesRead = Iosb.Information;
230 }
231 else
232 {
234 return FALSE;
235 }
236 }
237
238 TRACE("ReadFile() succeeded\n");
239 return TRUE;
240}
LONG NTSTATUS
Definition: precomp.h:26
static TAGREF LPCWSTR LPDWORD LPVOID lpBuffer
Definition: db.cpp:175
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
BOOL WINAPI GetConsoleMode(HANDLE hConsoleHandle, LPDWORD lpMode)
Definition: console.c:1569
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
HANDLE TranslateStdHandle(IN HANDLE hHandle)
Definition: handle.c:19
return Iosb
Definition: create.c:4402
#define ULONG_PTR
Definition: config.h:101
Status
Definition: gdiplustypes.h:25
_In_ HANDLE hFile
Definition: mswsock.h:90
_In_ HANDLE _In_ DWORD _In_ DWORD _Inout_opt_ LPOVERLAPPED lpOverlapped
Definition: mswsock.h:93
NTSYSAPI NTSTATUS NTAPI NtWaitForSingleObject(IN HANDLE hObject, IN BOOLEAN bAlertable, IN PLARGE_INTEGER Timeout)
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define STATUS_PENDING
Definition: ntstatus.h:82
DWORD BaseSetLastNTError(IN NTSTATUS Status)
Definition: reactos.cpp:166
#define IsConsoleHandle(h)
Definition: console.h:14
#define STATUS_END_OF_FILE
Definition: shellext.h:67
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)
#define TRACE(s)
Definition: solgame.cpp:4
char * PCHAR
Definition: typedefs.h:51
#define ENABLE_PROCESSED_INPUT
Definition: wincon.h:78

◆ 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 299 of file rw.c.

304{
307
308 Offset.u.LowPart = lpOverlapped->Offset;
309 Offset.u.HighPart = lpOverlapped->OffsetHigh;
310 lpOverlapped->Internal = STATUS_PENDING;
311
313 NULL,
315 lpCompletionRoutine,
317 lpBuffer,
318 nNumberOfBytesToRead,
319 &Offset,
320 NULL);
321
322 if (!NT_SUCCESS(Status))
323 {
325 return FALSE;
326 }
327
328 return TRUE;
329}
_In_opt_ HANDLE _In_opt_ PIO_APC_ROUTINE ApcRoutine
Definition: iofuncs.h:726

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

◆ ReadFileScatter()

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

Definition at line 337 of file rw.c.

342{
343 PIO_STATUS_BLOCK pIOStatus;
346
347 DPRINT("(%p %p %u %p)\n", hFile, aSegmentArray, nNumberOfBytesToRead, lpOverlapped);
348
349 Offset.LowPart = lpOverlapped->Offset;
350 Offset.HighPart = lpOverlapped->OffsetHigh;
351 pIOStatus = (PIO_STATUS_BLOCK) lpOverlapped;
352 pIOStatus->Status = STATUS_PENDING;
353 pIOStatus->Information = 0;
354
356 NULL,
357 NULL,
358 NULL,
359 pIOStatus,
360 aSegmentArray,
361 nNumberOfBytesToRead,
362 &Offset,
363 NULL);
364
365 if (!NT_SUCCESS(Status))
366 {
368 return FALSE;
369 }
370
371 return TRUE;
372}
#define SetLastError(x)
Definition: compat.h:752
struct _IO_STATUS_BLOCK * PIO_STATUS_BLOCK
Definition: change.c:34
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
#define DPRINT
Definition: sndvol32.h:73

Referenced by test_WriteFileGather().

◆ 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{
31
32 TRACE("WriteFile(hFile %p)\n", hFile);
33
34 if (lpNumberOfBytesWritten != NULL) *lpNumberOfBytesWritten = 0;
35
37
39 {
40 return WriteConsoleA(hFile,
43 lpNumberOfBytesWritten,
45 }
46
47 if (lpOverlapped != NULL)
48 {
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
58 lpOverlapped->hEvent,
59 NULL,
64 &Offset,
65 NULL);
66
67 /* return FALSE in case of failure and pending operations! */
69 {
71 return FALSE;
72 }
73
74 if (lpNumberOfBytesWritten != NULL)
75 *lpNumberOfBytesWritten = lpOverlapped->InternalHigh;
76 }
77 else
78 {
80
82 NULL,
83 NULL,
84 NULL,
85 &Iosb,
88 NULL,
89 NULL);
90
91 /* Wait in case operation is pending */
93 {
95 if (NT_SUCCESS(Status)) Status = Iosb.Status;
96 }
97
98 if (NT_SUCCESS(Status))
99 {
100 /*
101 * lpNumberOfBytesWritten must not be NULL here, in fact Win doesn't
102 * check that case either and crashes (only after the operation
103 * completed).
104 */
105 *lpNumberOfBytesWritten = Iosb.Information;
106 }
107 else
108 {
110 return FALSE;
111 }
112 }
113
114 TRACE("WriteFile() succeeded\n");
115 return TRUE;
116}
BOOL WINAPI DECLSPEC_HOTPATCH WriteConsoleA(IN HANDLE hConsoleOutput, IN CONST VOID *lpBuffer, IN DWORD nNumberOfCharsToWrite, OUT LPDWORD lpNumberOfCharsWritten, LPVOID lpReserved)
Definition: readwrite.c:1468
_In_ HANDLE _In_ DWORD nNumberOfBytesToWrite
Definition: mswsock.h:91
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(), _hwrite(), _overlapped_write_async(), _overlapped_write_sync(), _putch(), _RunRemoteTest(), _tiffWriteProc(), _write(), _wsopen_s(), 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_fake_dll(), 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_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(), DoSaveFile(), DosWriteFile(), DoTypeFile(), DoWriteFile(), dump_memory64_info(), dump_memory_info(), dump_system_info(), DumpMemoryRaw(), DumpMemoryTxt(), EMFDRV_WriteRecord(), EnumThreadProc(), CShellCommandValue::Execute(), exercizeServer(), ExtCabCallback(), extract2(), extract_one(), extract_resource(), ExtractFilesFromZip(), CZipExtract::ExtractSingle(), ExtractTTFFile(), fci_write(), fdi_write(), FileLockBytesImpl_WriteAt(), FNWRITE(), FormatOutput(), FTP_RetrieveFileData(), FTPFILE_ReadFile(), Generate(), 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(), local_server_thread(), LocalmonWritePort(), LocalWritePrinter(), LogToFile(), mailslot_test(), MailSlotWriter(), main(), make_tmp_file(), makeFile(), makestringfile(), MFDRV_CloseMetaFile(), MFDRV_WriteRecord(), msi_export_field(), msi_export_forcecodepage(), msi_export_record(), msi_export_stream(), msi_export_summaryinformation(), MSI_ProcessMessageVerbatim(), myprintf(), named_pipe_client_func(), CNewMenu::NewItemByNonCommand(), OLECONVERT_GetOLE20FromOLE10(), open_file_test(), output_header(), output_string(), output_writeconsole(), OutputResult(), TANSIParser::ParseBuffer(), PersistFile_Save(), PipeSend(), 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(), ScmControlService(), ScmSendStartCommand(), ScrnshotDownloadCallback(), ScServiceDispatcher(), send_msg(), send_subvol(), CJournaledTestList::SerializeIntoJournal(), serverThreadMain1(), serverThreadMain2(), serverThreadMain3(), serverThreadMain4(), SetupLogErrorA(), 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(), 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test_LoopbackRead(), test_LZCopy(), test_LZRead(), test_mhtml_protocol_binding(), test_monochrome_icon(), test_MoveFileA(), test_NtMapViewOfSection(), test_null_device(), test_offset_in_overlapped_structure(), test_OleLoadPicturePath(), test_openbackup(), test_OpenFileById(), test_overlapped(), 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_ReplaceFileA(), test_ResolveDelayLoadedAPI(), test_saxreader(), test_saxreader_encoding(), test_section_access(), Test_SectionContents(), test_SetFileValidData(), test_sip(), test_sip_create_indirect_data(), test_SIPRetrieveSubjectGUID(), test_textstream(), test_TransformWithLoadingLocalFile(), Test_Truncate(), test_WaitRx(), test_waittxempty(), test_wintrust_digest(), test_write_watch(), textstream_writecrlf(), textstream_writestr(), BtrfsSend::Thread(), CDownloadManager::ThreadFunc(), transfer_file_http(), translateinfstringex_test(), UDFPhWriteSynchronous(), unpack_avi_file(), CJournaledTestList::UpdateJournal(), VfdCreateImageFile(), VfdFormatMedia(), VfdOpenImage(), VfdSaveImage(), win32_write_file_func(), WINETEST_PRINTF_ATTR(), WMSFT_write_segment(), Write(), CPipe::Write(), write_buffer_to_file(), write_file(), write_inifile(), write_manifest(), write_raw_file(), write_resource_file(), 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 262 of file rw.c.

267{
270
271 Offset.u.LowPart = lpOverlapped->Offset;
272 Offset.u.HighPart = lpOverlapped->OffsetHigh;
273 lpOverlapped->Internal = STATUS_PENDING;
274
276 NULL,
278 lpCompletionRoutine,
282 &Offset,
283 NULL);
284
285 if (!NT_SUCCESS(Status))
286 {
288 return FALSE;
289 }
290
291 return TRUE;
292}

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 379 of file rw.c.

384{
385 PIO_STATUS_BLOCK IOStatus;
388
389 DPRINT("%p %p %u %p\n", hFile, aSegmentArray, nNumberOfBytesToWrite, lpOverlapped);
390
391 Offset.LowPart = lpOverlapped->Offset;
392 Offset.HighPart = lpOverlapped->OffsetHigh;
393 IOStatus = (PIO_STATUS_BLOCK) lpOverlapped;
394 IOStatus->Status = STATUS_PENDING;
395 IOStatus->Information = 0;
396
398 NULL,
399 NULL,
400 NULL,
401 IOStatus,
402 aSegmentArray,
404 &Offset,
405 NULL);
406
407 if (!NT_SUCCESS(Status))
408 {
410 return FALSE;
411 }
412
413 return TRUE;
414}
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

Referenced by test_WriteFileGather().