- RtlTimeFieldsToTime should not normalize the time fields
[wine/multimedia.git] / dlls / ntdll / file.c
blob84745f105b286671a67ccb6abffa944b2bd0505f
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #include "config.h"
20 #include "wine/port.h"
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
35 #endif
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
38 #endif
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
41 #endif
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
44 #endif
45 #ifdef HAVE_UTIME_H
46 # include <utime.h>
47 #endif
48 #ifdef STATFS_DEFINED_BY_SYS_VFS
49 # include <sys/vfs.h>
50 #else
51 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
52 # include <sys/mount.h>
53 # else
54 # ifdef STATFS_DEFINED_BY_SYS_STATFS
55 # include <sys/statfs.h>
56 # endif
57 # endif
58 #endif
60 #define NONAMELESSUNION
61 #define NONAMELESSSTRUCT
62 #include "wine/unicode.h"
63 #include "wine/debug.h"
64 #include "wine/server.h"
65 #include "async.h"
66 #include "ntdll_misc.h"
68 #include "winternl.h"
69 #include "winioctl.h"
71 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
73 mode_t FILE_umask = 0;
75 #define SECSPERDAY 86400
76 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
78 /**************************************************************************
79 * NtOpenFile [NTDLL.@]
80 * ZwOpenFile [NTDLL.@]
82 * Open a file.
84 * PARAMS
85 * handle [O] Variable that receives the file handle on return
86 * access [I] Access desired by the caller to the file
87 * attr [I] Structure describing the file to be opened
88 * io [O] Receives details about the result of the operation
89 * sharing [I] Type of shared access the caller requires
90 * options [I] Options for the file open
92 * RETURNS
93 * Success: 0. FileHandle and IoStatusBlock are updated.
94 * Failure: An NTSTATUS error code describing the error.
96 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
97 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
98 ULONG sharing, ULONG options )
100 return NtCreateFile( handle, access, attr, io, NULL, 0,
101 sharing, FILE_OPEN, options, NULL, 0 );
104 /**************************************************************************
105 * NtCreateFile [NTDLL.@]
106 * ZwCreateFile [NTDLL.@]
108 * Either create a new file or directory, or open an existing file, device,
109 * directory or volume.
111 * PARAMS
112 * handle [O] Points to a variable which receives the file handle on return
113 * access [I] Desired access to the file
114 * attr [I] Structure describing the file
115 * io [O] Receives information about the operation on return
116 * alloc_size [I] Initial size of the file in bytes
117 * attributes [I] Attributes to create the file with
118 * sharing [I] Type of shared access the caller would like to the file
119 * disposition [I] Specifies what to do, depending on whether the file already exists
120 * options [I] Options for creating a new file
121 * ea_buffer [I] Undocumented
122 * ea_length [I] Undocumented
124 * RETURNS
125 * Success: 0. handle and io are updated.
126 * Failure: An NTSTATUS error code describing the error.
128 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
129 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
130 ULONG attributes, ULONG sharing, ULONG disposition,
131 ULONG options, PVOID ea_buffer, ULONG ea_length )
133 static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
134 ANSI_STRING unix_name;
135 int created = FALSE;
137 TRACE("handle=%p access=%08lx name=%s objattr=%08lx root=%p sec=%p io=%p alloc_size=%p\n"
138 "attr=%08lx sharing=%08lx disp=%ld options=%08lx ea=%p.0x%08lx\n",
139 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
140 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
141 attributes, sharing, disposition, options, ea_buffer, ea_length );
143 if (attr->RootDirectory)
145 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
146 return STATUS_OBJECT_NAME_NOT_FOUND;
148 if (alloc_size) FIXME( "alloc_size not supported\n" );
150 /* check for named pipe */
152 if (attr->ObjectName->Length > sizeof(pipeW) &&
153 !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
155 SERVER_START_REQ( open_named_pipe )
157 req->access = access;
158 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
159 wine_server_add_data( req, attr->ObjectName->Buffer + 4,
160 attr->ObjectName->Length - 4*sizeof(WCHAR) );
161 io->u.Status = wine_server_call( req );
162 *handle = reply->handle;
164 SERVER_END_REQ;
165 return io->u.Status;
168 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
169 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
171 if (io->u.Status == STATUS_NO_SUCH_FILE &&
172 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
174 created = TRUE;
175 io->u.Status = STATUS_SUCCESS;
178 if (io->u.Status == STATUS_SUCCESS)
180 SERVER_START_REQ( create_file )
182 req->access = access;
183 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
184 req->sharing = sharing;
185 req->create = disposition;
186 req->options = options;
187 req->attrs = attributes;
188 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
189 io->u.Status = wine_server_call( req );
190 *handle = reply->handle;
192 SERVER_END_REQ;
193 RtlFreeAnsiString( &unix_name );
195 else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), io->u.Status );
197 if (io->u.Status == STATUS_SUCCESS)
199 if (created) io->Information = FILE_CREATED;
200 else switch(disposition)
202 case FILE_SUPERSEDE:
203 io->Information = FILE_SUPERSEDED;
204 break;
205 case FILE_CREATE:
206 io->Information = FILE_CREATED;
207 break;
208 case FILE_OPEN:
209 case FILE_OPEN_IF:
210 io->Information = FILE_OPENED;
211 break;
212 case FILE_OVERWRITE:
213 case FILE_OVERWRITE_IF:
214 io->Information = FILE_OVERWRITTEN;
215 break;
219 return io->u.Status;
222 /***********************************************************************
223 * Asynchronous file I/O *
225 static DWORD fileio_get_async_count(const async_private *ovp);
226 static void CALLBACK fileio_call_completion_func(ULONG_PTR data);
227 static void fileio_async_cleanup(async_private *ovp);
229 static async_ops fileio_async_ops =
231 fileio_get_async_count, /* get_count */
232 fileio_call_completion_func, /* call_completion */
233 fileio_async_cleanup /* cleanup */
236 static async_ops fileio_nocomp_async_ops =
238 fileio_get_async_count, /* get_count */
239 NULL, /* call_completion */
240 fileio_async_cleanup /* cleanup */
243 typedef struct async_fileio
245 struct async_private async;
246 PIO_APC_ROUTINE apc;
247 void* apc_user;
248 char *buffer;
249 unsigned int count;
250 off_t offset;
251 int queue_apc_on_error;
252 BOOL avail_mode;
253 } async_fileio;
255 static DWORD fileio_get_async_count(const struct async_private *ovp)
257 const async_fileio *fileio = (const async_fileio*) ovp;
259 if (fileio->count < fileio->async.iosb->Information)
260 return 0;
261 return fileio->count - fileio->async.iosb->Information;
264 static void CALLBACK fileio_call_completion_func(ULONG_PTR data)
266 async_fileio *ovp = (async_fileio*) data;
267 TRACE("data: %p\n", ovp);
269 if ((ovp->async.iosb->u.Status == STATUS_SUCCESS) || ovp->queue_apc_on_error)
270 ovp->apc( ovp->apc_user, ovp->async.iosb, ovp->async.iosb->Information );
272 fileio_async_cleanup( &ovp->async );
275 static void fileio_async_cleanup( struct async_private *ovp )
277 RtlFreeHeap( GetProcessHeap(), 0, ovp );
280 /***********************************************************************
281 * FILE_GetNtStatus(void)
283 * Retrieve the Nt Status code from errno.
284 * Try to be consistent with FILE_SetDosError().
286 NTSTATUS FILE_GetNtStatus(void)
288 int err = errno;
290 TRACE( "errno = %d\n", errno );
291 switch (err)
293 case EAGAIN: return STATUS_SHARING_VIOLATION;
294 case EBADF: return STATUS_INVALID_HANDLE;
295 case ENOSPC: return STATUS_DISK_FULL;
296 case EPERM:
297 case EROFS:
298 case EACCES: return STATUS_ACCESS_DENIED;
299 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
300 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
301 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
302 case EMFILE:
303 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
304 case EINVAL: return STATUS_INVALID_PARAMETER;
305 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
306 case EPIPE: return STATUS_PIPE_BROKEN;
307 case EIO: return STATUS_DEVICE_NOT_READY;
308 #ifdef ENOMEDIUM
309 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
310 #endif
311 case ENOTTY:
312 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
313 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
314 case ENOEXEC: /* ?? */
315 case ESPIPE: /* ?? */
316 case EEXIST: /* ?? */
317 default:
318 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
319 return STATUS_UNSUCCESSFUL;
323 /***********************************************************************
324 * FILE_AsyncReadService (INTERNAL)
326 * This function is called while the client is waiting on the
327 * server, so we can't make any server calls here.
329 static void FILE_AsyncReadService(async_private *ovp)
331 async_fileio *fileio = (async_fileio*) ovp;
332 IO_STATUS_BLOCK* io_status = fileio->async.iosb;
333 int result;
334 int already = io_status->Information;
336 TRACE("%p %p\n", io_status, fileio->buffer );
338 /* check to see if the data is ready (non-blocking) */
340 if ( fileio->avail_mode )
341 result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
342 else
344 result = pread(ovp->fd, &fileio->buffer[already], fileio->count - already,
345 fileio->offset + already);
346 if ((result < 0) && (errno == ESPIPE))
347 result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
350 if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
352 TRACE("Deferred read %d\n",errno);
353 io_status->u.Status = STATUS_PENDING;
354 return;
357 /* check to see if the transfer is complete */
358 if (result < 0)
360 io_status->u.Status = FILE_GetNtStatus();
361 return;
363 else if (result == 0)
365 io_status->u.Status = io_status->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
366 return;
369 TRACE("status before: %s\n", (io_status->u.Status == STATUS_SUCCESS) ? "success" : "pending");
370 io_status->Information += result;
371 if (io_status->Information >= fileio->count || fileio->avail_mode )
372 io_status->u.Status = STATUS_SUCCESS;
373 else
374 io_status->u.Status = STATUS_PENDING;
376 TRACE("read %d more bytes %ld/%d so far (%s)\n",
377 result, io_status->Information, fileio->count, (io_status->u.Status == STATUS_SUCCESS) ? "success" : "pending");
381 /******************************************************************************
382 * NtReadFile [NTDLL.@]
383 * ZwReadFile [NTDLL.@]
385 * Read from an open file handle.
387 * PARAMS
388 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
389 * Event [I] Event to signal upon completion (or NULL)
390 * ApcRoutine [I] Callback to call upon completion (or NULL)
391 * ApcContext [I] Context for ApcRoutine (or NULL)
392 * IoStatusBlock [O] Receives information about the operation on return
393 * Buffer [O] Destination for the data read
394 * Length [I] Size of Buffer
395 * ByteOffset [O] Destination for the new file pointer position (or NULL)
396 * Key [O] Function unknown (may be NULL)
398 * RETURNS
399 * Success: 0. IoStatusBlock is updated, and the Information member contains
400 * The number of bytes read.
401 * Failure: An NTSTATUS error code describing the error.
403 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
404 PIO_APC_ROUTINE apc, void* apc_user,
405 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
406 PLARGE_INTEGER offset, PULONG key)
408 int unix_handle, flags;
410 TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
411 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
413 io_status->Information = 0;
414 io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_READ, &unix_handle, &flags );
415 if (io_status->u.Status) return io_status->u.Status;
417 if (flags & FD_FLAG_RECV_SHUTDOWN)
419 wine_server_release_fd( hFile, unix_handle );
420 return STATUS_PIPE_DISCONNECTED;
423 if (flags & FD_FLAG_TIMEOUT)
425 if (hEvent)
427 /* this shouldn't happen, but check it */
428 FIXME("NIY-hEvent\n");
429 wine_server_release_fd( hFile, unix_handle );
430 return STATUS_NOT_IMPLEMENTED;
432 io_status->u.Status = NtCreateEvent(&hEvent, SYNCHRONIZE, NULL, 0, 0);
433 if (io_status->u.Status)
435 wine_server_release_fd( hFile, unix_handle );
436 return io_status->u.Status;
440 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
442 async_fileio* ovp;
443 NTSTATUS ret;
445 if (!(ovp = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
447 wine_server_release_fd( hFile, unix_handle );
448 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
449 return STATUS_NO_MEMORY;
451 ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
452 ovp->async.handle = hFile;
453 ovp->async.fd = unix_handle; /* FIXME */
454 ovp->async.type = ASYNC_TYPE_READ;
455 ovp->async.func = FILE_AsyncReadService;
456 ovp->async.event = hEvent;
457 ovp->async.iosb = io_status;
458 ovp->count = length;
459 if ( offset == NULL )
460 ovp->offset = 0;
461 else
463 ovp->offset = offset->QuadPart;
464 if (offset->u.HighPart && ovp->offset == offset->u.LowPart)
465 FIXME("High part of offset is lost\n");
467 ovp->apc = apc;
468 ovp->apc_user = apc_user;
469 ovp->buffer = buffer;
470 ovp->queue_apc_on_error = 0;
471 ovp->avail_mode = (flags & FD_FLAG_AVAILABLE);
472 NtResetEvent(hEvent, NULL);
474 ret = register_new_async(&ovp->async);
475 if (ret != STATUS_SUCCESS)
477 wine_server_release_fd( hFile, unix_handle );
478 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
479 RtlFreeHeap(GetProcessHeap(), 0, ovp);
480 return ret;
482 if (flags & FD_FLAG_TIMEOUT)
484 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
485 NtClose(hEvent);
486 if (ret != STATUS_USER_APC)
487 ovp->queue_apc_on_error = 1;
489 else
491 LARGE_INTEGER timeout;
493 /* let some APC be run, this will read some already pending data */
494 timeout.u.LowPart = timeout.u.HighPart = 0;
495 ret = NtDelayExecution( TRUE, &timeout );
496 /* the apc didn't run and therefore the completion routine now
497 * needs to be sent errors.
498 * Note that there is no race between setting this flag and
499 * returning errors because apc's are run only during alertable
500 * waits */
501 if (ret != STATUS_USER_APC)
502 ovp->queue_apc_on_error = 1;
503 /* if we only have to read the available data, and none is available,
504 * simply cancel the request. If data was available, it has been read
505 * while in by previous call (NtDelayExecution)
507 if ((flags & FD_FLAG_AVAILABLE) && io_status->u.Status == STATUS_PENDING)
509 io_status->u.Status = STATUS_SUCCESS;
510 register_old_async(&ovp->async);
513 TRACE("= 0x%08lx\n", io_status->u.Status);
514 return io_status->u.Status;
517 if (offset)
519 FILE_POSITION_INFORMATION fpi;
521 fpi.CurrentByteOffset = *offset;
522 io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
523 FilePositionInformation);
524 if (io_status->u.Status)
526 wine_server_release_fd( hFile, unix_handle );
527 return io_status->u.Status;
530 /* code for synchronous reads */
531 while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
533 if ((errno == EAGAIN) || (errno == EINTR)) continue;
534 if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
535 io_status->u.Status = FILE_GetNtStatus();
536 break;
538 wine_server_release_fd( hFile, unix_handle );
539 TRACE("= 0x%08lx\n", io_status->u.Status);
540 return io_status->u.Status;
543 /***********************************************************************
544 * FILE_AsyncWriteService (INTERNAL)
546 * This function is called while the client is waiting on the
547 * server, so we can't make any server calls here.
549 static void FILE_AsyncWriteService(struct async_private *ovp)
551 async_fileio *fileio = (async_fileio *) ovp;
552 PIO_STATUS_BLOCK io_status = fileio->async.iosb;
553 int result;
554 int already = io_status->Information;
556 TRACE("(%p %p)\n",io_status,fileio->buffer);
558 /* write some data (non-blocking) */
560 if ( fileio->avail_mode )
561 result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
562 else
564 result = pwrite(ovp->fd, &fileio->buffer[already], fileio->count - already,
565 fileio->offset + already);
566 if ((result < 0) && (errno == ESPIPE))
567 result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
570 if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
572 io_status->u.Status = STATUS_PENDING;
573 return;
576 /* check to see if the transfer is complete */
577 if (result < 0)
579 io_status->u.Status = FILE_GetNtStatus();
580 return;
583 io_status->Information += result;
584 io_status->u.Status = (io_status->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
585 TRACE("wrote %d more bytes %ld/%d so far\n",result,io_status->Information,fileio->count);
588 /******************************************************************************
589 * NtWriteFile [NTDLL.@]
590 * ZwWriteFile [NTDLL.@]
592 * Write to an open file handle.
594 * PARAMS
595 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
596 * Event [I] Event to signal upon completion (or NULL)
597 * ApcRoutine [I] Callback to call upon completion (or NULL)
598 * ApcContext [I] Context for ApcRoutine (or NULL)
599 * IoStatusBlock [O] Receives information about the operation on return
600 * Buffer [I] Source for the data to write
601 * Length [I] Size of Buffer
602 * ByteOffset [O] Destination for the new file pointer position (or NULL)
603 * Key [O] Function unknown (may be NULL)
605 * RETURNS
606 * Success: 0. IoStatusBlock is updated, and the Information member contains
607 * The number of bytes written.
608 * Failure: An NTSTATUS error code describing the error.
610 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
611 PIO_APC_ROUTINE apc, void* apc_user,
612 PIO_STATUS_BLOCK io_status,
613 const void* buffer, ULONG length,
614 PLARGE_INTEGER offset, PULONG key)
616 int unix_handle, flags;
618 TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
619 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
621 io_status->Information = 0;
622 io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &flags );
623 if (io_status->u.Status) return io_status->u.Status;
625 if (flags & FD_FLAG_SEND_SHUTDOWN)
627 wine_server_release_fd( hFile, unix_handle );
628 return STATUS_PIPE_DISCONNECTED;
631 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
633 async_fileio* ovp;
634 NTSTATUS ret;
636 if (!(ovp = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
638 wine_server_release_fd( hFile, unix_handle );
639 return STATUS_NO_MEMORY;
641 ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
642 ovp->async.handle = hFile;
643 ovp->async.fd = unix_handle; /* FIXME */
644 ovp->async.type = ASYNC_TYPE_WRITE;
645 ovp->async.func = FILE_AsyncWriteService;
646 ovp->async.event = hEvent;
647 ovp->async.iosb = io_status;
648 ovp->count = length;
649 if (offset) {
650 ovp->offset = offset->QuadPart;
651 if (offset->u.HighPart && ovp->offset == offset->u.LowPart)
652 FIXME("High part of offset is lost\n");
653 } else {
654 ovp->offset = 0;
656 ovp->apc = apc;
657 ovp->apc_user = apc_user;
658 ovp->buffer = (void*)buffer;
659 ovp->queue_apc_on_error = 0;
660 ovp->avail_mode = (flags & FD_FLAG_AVAILABLE);
661 NtResetEvent(hEvent, NULL);
663 io_status->Information = 0;
664 ret = register_new_async(&ovp->async);
665 if (ret != STATUS_SUCCESS)
666 return ret;
667 if (flags & FD_FLAG_TIMEOUT)
669 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
670 NtClose(hEvent);
671 if (ret != STATUS_USER_APC)
672 ovp->queue_apc_on_error = 1;
674 else
676 LARGE_INTEGER timeout;
678 /* let some APC be run, this will write as much data as possible */
679 timeout.u.LowPart = timeout.u.HighPart = 0;
680 ret = NtDelayExecution( TRUE, &timeout );
681 /* the apc didn't run and therefore the completion routine now
682 * needs to be sent errors.
683 * Note that there is no race between setting this flag and
684 * returning errors because apc's are run only during alertable
685 * waits */
686 if (ret != STATUS_USER_APC)
687 ovp->queue_apc_on_error = 1;
689 return io_status->u.Status;
692 if (offset)
694 FILE_POSITION_INFORMATION fpi;
696 fpi.CurrentByteOffset = *offset;
697 io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
698 FilePositionInformation);
699 if (io_status->u.Status)
701 wine_server_release_fd( hFile, unix_handle );
702 return io_status->u.Status;
706 /* synchronous file write */
707 while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
709 if ((errno == EAGAIN) || (errno == EINTR)) continue;
710 if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
711 if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
712 else io_status->u.Status = FILE_GetNtStatus();
713 break;
715 wine_server_release_fd( hFile, unix_handle );
716 return io_status->u.Status;
719 /**************************************************************************
720 * NtDeviceIoControlFile [NTDLL.@]
721 * ZwDeviceIoControlFile [NTDLL.@]
723 * Perform an I/O control operation on an open file handle.
725 * PARAMS
726 * DeviceHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
727 * Event [I] Event to signal upon completion (or NULL)
728 * ApcRoutine [I] Callback to call upon completion (or NULL)
729 * ApcContext [I] Context for ApcRoutine (or NULL)
730 * IoStatusBlock [O] Receives information about the operation on return
731 * IoControlCode [I] Control code for the operation to perform
732 * InputBuffer [I] Source for any input data required (or NULL)
733 * InputBufferSize [I] Size of InputBuffer
734 * OutputBuffer [O] Source for any output data returned (or NULL)
735 * OutputBufferSize [I] Size of OutputBuffer
737 * RETURNS
738 * Success: 0. IoStatusBlock is updated.
739 * Failure: An NTSTATUS error code describing the error.
741 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
742 PIO_APC_ROUTINE UserApcRoutine,
743 PVOID UserApcContext,
744 PIO_STATUS_BLOCK IoStatusBlock,
745 ULONG IoControlCode,
746 PVOID InputBuffer,
747 ULONG InputBufferSize,
748 PVOID OutputBuffer,
749 ULONG OutputBufferSize)
751 TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
752 DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
753 IoStatusBlock, IoControlCode,
754 InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
756 if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
757 UserApcRoutine, UserApcContext,
758 IoStatusBlock, IoControlCode,
759 InputBuffer, InputBufferSize,
760 OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
762 /* it wasn't a CDROM */
763 FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
764 IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
765 IoStatusBlock->Information = 0;
766 if (hEvent) NtSetEvent(hEvent, NULL);
768 return IoStatusBlock->u.Status;
771 /******************************************************************************
772 * NtFsControlFile [NTDLL.@]
773 * ZwFsControlFile [NTDLL.@]
775 NTSTATUS WINAPI NtFsControlFile(
776 IN HANDLE DeviceHandle,
777 IN HANDLE Event OPTIONAL,
778 IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
779 IN PVOID ApcContext OPTIONAL,
780 OUT PIO_STATUS_BLOCK IoStatusBlock,
781 IN ULONG IoControlCode,
782 IN PVOID InputBuffer,
783 IN ULONG InputBufferSize,
784 OUT PVOID OutputBuffer,
785 IN ULONG OutputBufferSize)
787 FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
788 DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
789 InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
790 return 0;
793 /******************************************************************************
794 * NtSetVolumeInformationFile [NTDLL.@]
795 * ZwSetVolumeInformationFile [NTDLL.@]
797 * Set volume information for an open file handle.
799 * PARAMS
800 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
801 * IoStatusBlock [O] Receives information about the operation on return
802 * FsInformation [I] Source for volume information
803 * Length [I] Size of FsInformation
804 * FsInformationClass [I] Type of volume information to set
806 * RETURNS
807 * Success: 0. IoStatusBlock is updated.
808 * Failure: An NTSTATUS error code describing the error.
810 NTSTATUS WINAPI NtSetVolumeInformationFile(
811 IN HANDLE FileHandle,
812 PIO_STATUS_BLOCK IoStatusBlock,
813 PVOID FsInformation,
814 ULONG Length,
815 FS_INFORMATION_CLASS FsInformationClass)
817 FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
818 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
819 return 0;
822 /******************************************************************************
823 * NtQueryInformationFile [NTDLL.@]
824 * ZwQueryInformationFile [NTDLL.@]
826 * Get information about an open file handle.
828 * PARAMS
829 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
830 * io [O] Receives information about the operation on return
831 * ptr [O] Destination for file information
832 * len [I] Size of FileInformation
833 * class [I] Type of file information to get
835 * RETURNS
836 * Success: 0. IoStatusBlock and FileInformation are updated.
837 * Failure: An NTSTATUS error code describing the error.
839 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
840 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
842 static const size_t info_sizes[] =
845 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
846 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
847 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
848 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
849 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
850 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
851 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
852 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
853 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
854 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
855 0, /* FileLinkInformation */
856 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
857 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
858 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
859 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
860 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
861 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
862 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
863 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
864 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
865 0, /* FileAlternateNameInformation */
866 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
867 0, /* FilePipeInformation */
868 0, /* FilePipeLocalInformation */
869 0, /* FilePipeRemoteInformation */
870 0, /* FileMailslotQueryInformation */
871 0, /* FileMailslotSetInformation */
872 0, /* FileCompressionInformation */
873 0, /* FileObjectIdInformation */
874 0, /* FileCompletionInformation */
875 0, /* FileMoveClusterInformation */
876 0, /* FileQuotaInformation */
877 0, /* FileReparsePointInformation */
878 0, /* FileNetworkOpenInformation */
879 0, /* FileAttributeTagInformation */
880 0 /* FileTrackingInformation */
883 struct stat st;
884 int fd;
886 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
888 io->Information = 0;
890 if (class <= 0 || class >= FileMaximumInformation)
891 return io->u.Status = STATUS_INVALID_INFO_CLASS;
892 if (!info_sizes[class])
894 FIXME("Unsupported class (%d)\n", class);
895 return io->u.Status = STATUS_NOT_IMPLEMENTED;
897 if (len < info_sizes[class])
898 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
900 if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
901 return io->u.Status;
903 switch (class)
905 case FileBasicInformation:
907 FILE_BASIC_INFORMATION *info = ptr;
909 if (fstat( fd, &st ) == -1)
910 io->u.Status = FILE_GetNtStatus();
911 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
912 io->u.Status = STATUS_INVALID_INFO_CLASS;
913 else
915 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
916 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
917 if (!(st.st_mode & S_IWUSR)) info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
918 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
919 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
920 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
921 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
924 break;
925 case FileStandardInformation:
927 FILE_STANDARD_INFORMATION *info = ptr;
929 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
930 else
932 if ((info->Directory = S_ISDIR(st.st_mode)))
934 info->AllocationSize.QuadPart = 0;
935 info->EndOfFile.QuadPart = 0;
936 info->NumberOfLinks = 1;
937 info->DeletePending = FALSE;
939 else
941 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
942 info->EndOfFile.QuadPart = st.st_size;
943 info->NumberOfLinks = st.st_nlink;
944 info->DeletePending = FALSE; /* FIXME */
948 break;
949 case FilePositionInformation:
951 FILE_POSITION_INFORMATION *info = ptr;
952 off_t res = lseek( fd, 0, SEEK_CUR );
953 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
954 else info->CurrentByteOffset.QuadPart = res;
956 break;
957 case FileInternalInformation:
959 FILE_INTERNAL_INFORMATION *info = ptr;
961 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
962 else info->IndexNumber.QuadPart = st.st_ino;
964 break;
965 case FileEaInformation:
967 FILE_EA_INFORMATION *info = ptr;
968 info->EaSize = 0;
970 break;
971 case FileEndOfFileInformation:
973 FILE_END_OF_FILE_INFORMATION *info = ptr;
975 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
976 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
978 break;
979 case FileAllInformation:
981 FILE_ALL_INFORMATION *info = ptr;
983 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
984 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
985 io->u.Status = STATUS_INVALID_INFO_CLASS;
986 else
988 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
990 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
991 info->StandardInformation.AllocationSize.QuadPart = 0;
992 info->StandardInformation.EndOfFile.QuadPart = 0;
993 info->StandardInformation.NumberOfLinks = 1;
994 info->StandardInformation.DeletePending = FALSE;
996 else
998 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
999 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1000 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1001 info->StandardInformation.NumberOfLinks = st.st_nlink;
1002 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1004 if (!(st.st_mode & S_IWUSR))
1005 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1006 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1007 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1008 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1009 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1010 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1011 info->EaInformation.EaSize = 0;
1012 info->AccessInformation.AccessFlags = 0; /* FIXME */
1013 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1014 info->ModeInformation.Mode = 0; /* FIXME */
1015 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1016 info->NameInformation.FileNameLength = 0;
1017 io->Information = sizeof(*info) - sizeof(WCHAR);
1020 break;
1021 default:
1022 FIXME("Unsupported class (%d)\n", class);
1023 io->u.Status = STATUS_NOT_IMPLEMENTED;
1024 break;
1026 wine_server_release_fd( hFile, fd );
1027 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1028 return io->u.Status;
1031 /******************************************************************************
1032 * NtSetInformationFile [NTDLL.@]
1033 * ZwSetInformationFile [NTDLL.@]
1035 * Set information about an open file handle.
1037 * PARAMS
1038 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1039 * io [O] Receives information about the operation on return
1040 * ptr [I] Source for file information
1041 * len [I] Size of FileInformation
1042 * class [I] Type of file information to set
1044 * RETURNS
1045 * Success: 0. io is updated.
1046 * Failure: An NTSTATUS error code describing the error.
1048 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1049 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1051 int fd;
1053 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1055 if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )))
1056 return io->u.Status;
1058 io->u.Status = STATUS_SUCCESS;
1059 switch (class)
1061 case FileBasicInformation:
1062 if (len >= sizeof(FILE_BASIC_INFORMATION))
1064 struct stat st;
1065 const FILE_BASIC_INFORMATION *info = ptr;
1067 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1069 ULONGLONG sec, nsec;
1070 struct timeval tv[2];
1072 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1075 tv[0].tv_sec = tv[0].tv_usec = 0;
1076 tv[1].tv_sec = tv[1].tv_usec = 0;
1077 if (!fstat( fd, &st ))
1079 tv[0].tv_sec = st.st_atime;
1080 tv[1].tv_sec = st.st_mtime;
1083 if (info->LastAccessTime.QuadPart)
1085 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1086 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1087 tv[0].tv_usec = (UINT)nsec / 10;
1089 if (info->LastWriteTime.QuadPart)
1091 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1092 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1093 tv[1].tv_usec = (UINT)nsec / 10;
1095 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1098 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1100 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1101 else
1103 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1105 if (S_ISDIR( st.st_mode))
1106 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1107 else
1108 st.st_mode &= ~0222; /* clear write permission bits */
1110 else
1112 /* add write permission only where we already have read permission */
1113 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1115 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1119 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1120 break;
1122 case FilePositionInformation:
1123 if (len >= sizeof(FILE_POSITION_INFORMATION))
1125 const FILE_POSITION_INFORMATION *info = ptr;
1127 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1128 io->u.Status = FILE_GetNtStatus();
1130 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1131 break;
1133 case FileEndOfFileInformation:
1134 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1136 struct stat st;
1137 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1139 /* first try normal truncate */
1140 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1142 /* now check for the need to extend the file */
1143 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1145 static const char zero;
1147 /* extend the file one byte beyond the requested size and then truncate it */
1148 /* this should work around ftruncate implementations that can't extend files */
1149 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1150 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1152 io->u.Status = FILE_GetNtStatus();
1154 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1155 break;
1157 default:
1158 FIXME("Unsupported class (%d)\n", class);
1159 io->u.Status = STATUS_NOT_IMPLEMENTED;
1160 break;
1162 wine_server_release_fd( handle, fd );
1163 io->Information = 0;
1164 return io->u.Status;
1168 /******************************************************************************
1169 * NtQueryFullAttributesFile (NTDLL.@)
1171 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1172 FILE_NETWORK_OPEN_INFORMATION *info )
1174 ANSI_STRING unix_name;
1175 NTSTATUS status;
1177 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1178 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1180 struct stat st;
1182 if (stat( unix_name.Buffer, &st ) == -1)
1183 status = FILE_GetNtStatus();
1184 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1185 status = STATUS_INVALID_INFO_CLASS;
1186 else
1188 if (S_ISDIR(st.st_mode))
1190 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1191 info->AllocationSize.QuadPart = 0;
1192 info->EndOfFile.QuadPart = 0;
1194 else
1196 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1197 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1198 info->EndOfFile.QuadPart = st.st_size;
1200 if (!(st.st_mode & S_IWUSR)) info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1201 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1202 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1203 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1204 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1205 if (DIR_is_hidden_file( attr->ObjectName ))
1206 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1208 RtlFreeAnsiString( &unix_name );
1210 else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1211 return status;
1215 /******************************************************************************
1216 * NtQueryAttributesFile (NTDLL.@)
1217 * ZwQueryAttributesFile (NTDLL.@)
1219 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1221 FILE_NETWORK_OPEN_INFORMATION full_info;
1222 NTSTATUS status;
1224 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1226 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1227 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1228 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1229 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1230 info->FileAttributes = full_info.FileAttributes;
1232 return status;
1236 /******************************************************************************
1237 * NtQueryVolumeInformationFile [NTDLL.@]
1238 * ZwQueryVolumeInformationFile [NTDLL.@]
1240 * Get volume information for an open file handle.
1242 * PARAMS
1243 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1244 * io [O] Receives information about the operation on return
1245 * buffer [O] Destination for volume information
1246 * length [I] Size of FsInformation
1247 * info_class [I] Type of volume information to set
1249 * RETURNS
1250 * Success: 0. io and buffer are updated.
1251 * Failure: An NTSTATUS error code describing the error.
1253 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1254 PVOID buffer, ULONG length,
1255 FS_INFORMATION_CLASS info_class )
1257 int fd;
1258 struct stat st;
1260 if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )) != STATUS_SUCCESS)
1261 return io->u.Status;
1263 io->u.Status = STATUS_NOT_IMPLEMENTED;
1264 io->Information = 0;
1266 switch( info_class )
1268 case FileFsVolumeInformation:
1269 FIXME( "%p: volume info not supported\n", handle );
1270 break;
1271 case FileFsLabelInformation:
1272 FIXME( "%p: label info not supported\n", handle );
1273 break;
1274 case FileFsSizeInformation:
1275 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1276 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1277 else
1279 FILE_FS_SIZE_INFORMATION *info = buffer;
1280 struct statvfs stvfs;
1282 if (fstat( fd, &st ) < 0)
1284 io->u.Status = FILE_GetNtStatus();
1285 break;
1287 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1289 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1290 break;
1292 if (fstatvfs( fd, &stvfs ) < 0) io->u.Status = FILE_GetNtStatus();
1293 else
1295 info->TotalAllocationUnits.QuadPart = stvfs.f_blocks;
1296 info->AvailableAllocationUnits.QuadPart = stvfs.f_bavail;
1297 info->SectorsPerAllocationUnit = 1;
1298 info->BytesPerSector = stvfs.f_frsize;
1299 io->Information = sizeof(*info);
1300 io->u.Status = STATUS_SUCCESS;
1303 break;
1304 case FileFsDeviceInformation:
1305 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1306 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1307 else
1309 FILE_FS_DEVICE_INFORMATION *info = buffer;
1311 info->Characteristics = 0;
1312 if (fstat( fd, &st ) < 0)
1314 io->u.Status = FILE_GetNtStatus();
1315 break;
1317 if (S_ISCHR( st.st_mode ))
1319 info->DeviceType = FILE_DEVICE_UNKNOWN;
1320 #ifdef linux
1321 switch(major(st.st_rdev))
1323 case MEM_MAJOR:
1324 info->DeviceType = FILE_DEVICE_NULL;
1325 break;
1326 case TTY_MAJOR:
1327 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1328 break;
1329 case LP_MAJOR:
1330 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1331 break;
1333 #endif
1335 else if (S_ISBLK( st.st_mode ))
1337 info->DeviceType = FILE_DEVICE_DISK;
1339 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1341 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1343 else /* regular file or directory */
1345 #if defined(linux) && defined(HAVE_FSTATFS)
1346 struct statfs stfs;
1348 /* check for floppy disk */
1349 if (major(st.st_dev) == FLOPPY_MAJOR)
1350 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1352 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1353 switch (stfs.f_type)
1355 case 0x9660: /* iso9660 */
1356 case 0x15013346: /* udf */
1357 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1358 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1359 break;
1360 case 0x6969: /* nfs */
1361 case 0x517B: /* smbfs */
1362 case 0x564c: /* ncpfs */
1363 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1364 info->Characteristics |= FILE_REMOTE_DEVICE;
1365 break;
1366 case 0x01021994: /* tmpfs */
1367 case 0x28cd3d45: /* cramfs */
1368 case 0x1373: /* devfs */
1369 case 0x9fa0: /* procfs */
1370 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1371 break;
1372 default:
1373 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1374 break;
1376 #elif defined (__APPLE__)
1377 #include <IOKit/IOKitLib.h>
1378 #include <CoreFoundation/CFNumber.h> /* for kCFBooleanTrue, kCFBooleanFalse */
1379 #include <paths.h>
1380 struct statfs stfs;
1382 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1384 if (fstatfs( fd, &stfs ) < 0) break;
1386 /* stfs.f_type is reserved (always set to 0) so use IOKit */
1387 kern_return_t kernResult = KERN_FAILURE;
1388 mach_port_t masterPort;
1390 char bsdName[6]; /* disk#\0 */
1392 strncpy(bsdName, stfs.f_mntfromname+strlen(_PATH_DEV) , 5);
1393 bsdName[5] = 0;
1395 kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
1397 if (kernResult == KERN_SUCCESS)
1399 CFMutableDictionaryRef matching = IOBSDNameMatching(masterPort, 0, bsdName);
1401 if (matching)
1403 CFMutableDictionaryRef properties;
1404 io_service_t devService = IOServiceGetMatchingService(masterPort, matching);
1406 if (IORegistryEntryCreateCFProperties(devService,
1407 &properties,
1408 kCFAllocatorDefault, 0) != KERN_SUCCESS)
1409 break;
1410 if ( CFEqual(
1411 CFDictionaryGetValue(properties, CFSTR("Removable")),
1412 kCFBooleanTrue)
1413 ) info->Characteristics |= FILE_REMOVABLE_MEDIA;
1415 if ( CFEqual(
1416 CFDictionaryGetValue(properties, CFSTR("Writable")),
1417 kCFBooleanFalse)
1418 ) info->Characteristics |= FILE_READ_ONLY_DEVICE;
1421 NB : mounted disk image (.img/.dmg) don't provide specific type
1423 CFStringRef type;
1424 if ( (type = CFDictionaryGetValue(properties, CFSTR("Type"))) )
1426 if ( CFStringCompare(type, CFSTR("CD-ROM"), 0) == kCFCompareEqualTo
1427 || CFStringCompare(type, CFSTR("DVD-ROM"), 0) == kCFCompareEqualTo
1430 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1434 if (properties)
1435 CFRelease(properties);
1438 #else
1439 static int warned;
1440 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1441 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1442 #endif
1443 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1445 io->Information = sizeof(*info);
1446 io->u.Status = STATUS_SUCCESS;
1448 break;
1449 case FileFsAttributeInformation:
1450 FIXME( "%p: attribute info not supported\n", handle );
1451 break;
1452 case FileFsControlInformation:
1453 FIXME( "%p: control info not supported\n", handle );
1454 break;
1455 case FileFsFullSizeInformation:
1456 FIXME( "%p: full size info not supported\n", handle );
1457 break;
1458 case FileFsObjectIdInformation:
1459 FIXME( "%p: object id info not supported\n", handle );
1460 break;
1461 case FileFsMaximumInformation:
1462 FIXME( "%p: maximum info not supported\n", handle );
1463 break;
1464 default:
1465 io->u.Status = STATUS_INVALID_PARAMETER;
1466 break;
1468 wine_server_release_fd( handle, fd );
1469 return io->u.Status;
1473 /******************************************************************
1474 * NtFlushBuffersFile (NTDLL.@)
1476 * Flush any buffered data on an open file handle.
1478 * PARAMS
1479 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1480 * IoStatusBlock [O] Receives information about the operation on return
1482 * RETURNS
1483 * Success: 0. IoStatusBlock is updated.
1484 * Failure: An NTSTATUS error code describing the error.
1486 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1488 NTSTATUS ret;
1489 HANDLE hEvent = NULL;
1491 SERVER_START_REQ( flush_file )
1493 req->handle = hFile;
1494 ret = wine_server_call( req );
1495 hEvent = reply->event;
1497 SERVER_END_REQ;
1498 if (!ret && hEvent)
1500 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1501 NtClose( hEvent );
1503 return ret;
1506 /******************************************************************
1507 * NtLockFile (NTDLL.@)
1511 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1512 PIO_APC_ROUTINE apc, void* apc_user,
1513 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1514 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1515 BOOLEAN exclusive )
1517 NTSTATUS ret;
1518 HANDLE handle;
1519 BOOLEAN async;
1521 if (apc || io_status || key)
1523 FIXME("Unimplemented yet parameter\n");
1524 return STATUS_NOT_IMPLEMENTED;
1527 for (;;)
1529 SERVER_START_REQ( lock_file )
1531 req->handle = hFile;
1532 req->offset_low = offset->u.LowPart;
1533 req->offset_high = offset->u.HighPart;
1534 req->count_low = count->u.LowPart;
1535 req->count_high = count->u.HighPart;
1536 req->shared = !exclusive;
1537 req->wait = !dont_wait;
1538 ret = wine_server_call( req );
1539 handle = reply->handle;
1540 async = reply->overlapped;
1542 SERVER_END_REQ;
1543 if (ret != STATUS_PENDING)
1545 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1546 return ret;
1549 if (async)
1551 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1552 if (handle) NtClose( handle );
1553 return STATUS_PENDING;
1555 if (handle)
1557 NtWaitForSingleObject( handle, FALSE, NULL );
1558 NtClose( handle );
1560 else
1562 LARGE_INTEGER time;
1564 /* Unix lock conflict, sleep a bit and retry */
1565 time.QuadPart = 100 * (ULONGLONG)10000;
1566 time.QuadPart = -time.QuadPart;
1567 NtDelayExecution( FALSE, &time );
1573 /******************************************************************
1574 * NtUnlockFile (NTDLL.@)
1578 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1579 PLARGE_INTEGER offset, PLARGE_INTEGER count,
1580 PULONG key )
1582 NTSTATUS status;
1584 TRACE( "%p %lx%08lx %lx%08lx\n",
1585 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1587 if (io_status || key)
1589 FIXME("Unimplemented yet parameter\n");
1590 return STATUS_NOT_IMPLEMENTED;
1593 SERVER_START_REQ( unlock_file )
1595 req->handle = hFile;
1596 req->offset_low = offset->u.LowPart;
1597 req->offset_high = offset->u.HighPart;
1598 req->count_low = count->u.LowPart;
1599 req->count_high = count->u.HighPart;
1600 status = wine_server_call( req );
1602 SERVER_END_REQ;
1603 return status;
1606 /******************************************************************
1607 * NtCreateNamedPipeFile (NTDLL.@)
1611 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE FileHandle, ULONG DesiredAccess,
1612 POBJECT_ATTRIBUTES ObjectAttributes, PIO_STATUS_BLOCK IoStatusBlock,
1613 ULONG ShareAccess, ULONG CreateDisposition, ULONG CreateOptions,
1614 ULONG NamedPipeType, ULONG ReadMode, ULONG CompletionMode,
1615 ULONG MaximumInstances, ULONG InboundQuota, ULONG OutboundQuota,
1616 PLARGE_INTEGER DefaultTimeout)
1618 FIXME("(%p %lx %p %p %lx %ld %lx %ld %ld %ld %ld %ld %ld %p): stub\n",
1619 FileHandle, DesiredAccess, ObjectAttributes, IoStatusBlock,
1620 ShareAccess, CreateDisposition, CreateOptions, NamedPipeType,
1621 ReadMode, CompletionMode, MaximumInstances, InboundQuota,
1622 OutboundQuota, DefaultTimeout);
1623 return STATUS_NOT_IMPLEMENTED;
1626 /******************************************************************
1627 * NtDeleteFile (NTDLL.@)
1631 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
1633 FIXME("%p\n", ObjectAttributes);
1634 return STATUS_NOT_IMPLEMENTED;
1637 /******************************************************************
1638 * NtCancelIoFile (NTDLL.@)
1642 NTSTATUS WINAPI NtCancelIoFile( HANDLE FileHandle,
1643 PIO_STATUS_BLOCK IoStatusBlock)
1645 FIXME("%p %p\n", FileHandle, IoStatusBlock );
1646 return STATUS_NOT_IMPLEMENTED;