2 * File handling functions
4 * Copyright 1993 John Burton
5 * Copyright 1996 Alexandre Julliard
15 #include <sys/errno.h>
16 #include <sys/types.h>
37 #if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
38 #define MAP_ANON MAP_ANONYMOUS
42 /***********************************************************************
47 static HFILE32
FILE_Alloc( FILE_OBJECT
**file
)
50 *file
= HeapAlloc( SystemHeap
, 0, sizeof(FILE_OBJECT
) );
53 DOS_ERROR( ER_TooManyOpenFiles
, EC_ProgramError
, SA_Abort
, EL_Disk
);
56 (*file
)->header
.type
= K32OBJ_FILE
;
57 (*file
)->header
.refcount
= 0;
58 (*file
)->unix_handle
= -1;
59 (*file
)->unix_name
= NULL
;
60 (*file
)->type
= FILE_TYPE_DISK
;
62 handle
= PROCESS_AllocHandle( &(*file
)->header
, 0 );
63 if (handle
== INVALID_HANDLE_VALUE32
) *file
= NULL
;
68 /***********************************************************************
73 void FILE_Destroy( K32OBJ
*ptr
)
75 FILE_OBJECT
*file
= (FILE_OBJECT
*)ptr
;
76 assert( ptr
->type
== K32OBJ_FILE
);
78 if (file
->unix_handle
!= -1) close( file
->unix_handle
);
79 if (file
->unix_name
) HeapFree( SystemHeap
, 0, file
->unix_name
);
80 ptr
->type
= K32OBJ_UNKNOWN
;
81 HeapFree( SystemHeap
, 0, file
);
85 /***********************************************************************
88 * Return the DOS file associated to a task file handle. FILE_ReleaseFile must
89 * be called to release the file.
91 static FILE_OBJECT
*FILE_GetFile( HFILE32 handle
)
93 return (FILE_OBJECT
*)PROCESS_GetObjPtr( handle
, K32OBJ_FILE
);
97 /***********************************************************************
100 * Release a DOS file obtained with FILE_GetFile.
102 static void FILE_ReleaseFile( FILE_OBJECT
*file
)
104 K32OBJ_DecCount( &file
->header
);
108 /***********************************************************************
111 * Return the Unix handle associated to a file handle.
113 int FILE_GetUnixHandle( HFILE32 hFile
)
118 if (!(file
= FILE_GetFile( hFile
))) return -1;
119 ret
= file
->unix_handle
;
120 FILE_ReleaseFile( file
);
125 /***********************************************************************
128 * Set the DOS error code from errno.
130 void FILE_SetDosError(void)
132 dprintf_file(stddeb
, "FILE_SetDosError: errno = %d\n", errno
);
136 DOS_ERROR( ER_ShareViolation
, EC_Temporary
, SA_Retry
, EL_Disk
);
139 DOS_ERROR( ER_InvalidHandle
, EC_ProgramError
, SA_Abort
, EL_Disk
);
142 DOS_ERROR( ER_DiskFull
, EC_MediaError
, SA_Abort
, EL_Disk
);
147 DOS_ERROR( ER_AccessDenied
, EC_AccessDenied
, SA_Abort
, EL_Disk
);
150 DOS_ERROR( ER_LockViolation
, EC_AccessDenied
, SA_Abort
, EL_Disk
);
153 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
156 DOS_ERROR( ER_CanNotMakeDir
, EC_AccessDenied
, SA_Abort
, EL_Unknown
);
160 DOS_ERROR( ER_NoMoreFiles
, EC_MediaError
, SA_Abort
, EL_Unknown
);
163 DOS_ERROR( ER_FileExists
, EC_Exists
, SA_Abort
, EL_Disk
);
166 perror( "int21: unknown errno" );
167 DOS_ERROR( ER_GeneralFailure
, EC_SystemFailure
, SA_Abort
, EL_Unknown
);
173 /***********************************************************************
176 * Duplicate a Unix handle into a task handle.
178 HFILE32
FILE_DupUnixHandle( int fd
)
183 if ((handle
= FILE_Alloc( &file
)) != INVALID_HANDLE_VALUE32
)
185 if ((file
->unix_handle
= dup(fd
)) == -1)
188 CloseHandle( handle
);
189 return INVALID_HANDLE_VALUE32
;
196 /***********************************************************************
199 static HFILE32
FILE_OpenUnixFile( const char *name
, int mode
)
205 if ((handle
= FILE_Alloc( &file
)) == INVALID_HANDLE_VALUE32
)
206 return INVALID_HANDLE_VALUE32
;
208 if ((file
->unix_handle
= open( name
, mode
, 0666 )) == -1)
210 if (!Options
.failReadOnly
&& (mode
== O_RDWR
))
211 file
->unix_handle
= open( name
, O_RDONLY
);
213 if ((file
->unix_handle
== -1) || (fstat( file
->unix_handle
, &st
) == -1))
216 CloseHandle( handle
);
217 return INVALID_HANDLE_VALUE32
;
219 if (S_ISDIR(st
.st_mode
))
221 DOS_ERROR( ER_AccessDenied
, EC_AccessDenied
, SA_Abort
, EL_Disk
);
222 CloseHandle( handle
);
223 return INVALID_HANDLE_VALUE32
;
226 /* File opened OK, now fill the FILE_OBJECT */
228 file
->unix_name
= HEAP_strdupA( SystemHeap
, 0, name
);
233 /***********************************************************************
236 HFILE32
FILE_Open( LPCSTR path
, INT32 mode
)
238 DOS_FULL_NAME full_name
;
239 const char *unixName
;
241 dprintf_file(stddeb
, "FILE_Open: '%s' %04x\n", path
, mode
);
242 if ((unixName
= DOSFS_IsDevice( path
)) != NULL
)
244 dprintf_file( stddeb
, "FILE_Open: opening device '%s'\n", unixName
);
245 if (!unixName
[0]) /* Non-existing device */
247 dprintf_file(stddeb
, "FILE_Open: Non-existing device\n");
248 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
249 return HFILE_ERROR32
;
252 else /* check for filename, don't check for last entry if creating */
254 if (!DOSFS_GetFullName( path
, !(mode
& O_CREAT
), &full_name
))
255 return HFILE_ERROR32
;
256 unixName
= full_name
.long_name
;
258 return FILE_OpenUnixFile( unixName
, mode
);
262 /***********************************************************************
265 static HFILE32
FILE_Create( LPCSTR path
, int mode
, int unique
)
269 const char *unixName
;
270 DOS_FULL_NAME full_name
;
272 dprintf_file(stddeb
, "FILE_Create: '%s' %04x %d\n", path
, mode
, unique
);
274 if ((unixName
= DOSFS_IsDevice( path
)) != NULL
)
276 dprintf_file(stddeb
, "FILE_Create: creating device '%s'!\n", unixName
);
277 DOS_ERROR( ER_AccessDenied
, EC_NotFound
, SA_Abort
, EL_Disk
);
278 return INVALID_HANDLE_VALUE32
;
281 if ((handle
= FILE_Alloc( &file
)) == INVALID_HANDLE_VALUE32
)
282 return INVALID_HANDLE_VALUE32
;
284 if (!DOSFS_GetFullName( path
, FALSE
, &full_name
))
286 CloseHandle( handle
);
287 return INVALID_HANDLE_VALUE32
;
289 if ((file
->unix_handle
= open( full_name
.long_name
,
290 O_CREAT
| O_TRUNC
| O_RDWR
| (unique
? O_EXCL
: 0),
294 CloseHandle( handle
);
295 return INVALID_HANDLE_VALUE32
;
298 /* File created OK, now fill the FILE_OBJECT */
300 file
->unix_name
= HEAP_strdupA( SystemHeap
, 0, full_name
.long_name
);
305 /***********************************************************************
308 * Fill a file information from a struct stat.
310 static void FILE_FillInfo( struct stat
*st
, BY_HANDLE_FILE_INFORMATION
*info
)
312 info
->dwFileAttributes
= FILE_ATTRIBUTE_ARCHIVE
;
313 if (S_ISDIR(st
->st_mode
))
314 info
->dwFileAttributes
|= FILE_ATTRIBUTE_DIRECTORY
;
315 if (!(st
->st_mode
& S_IWUSR
))
316 info
->dwFileAttributes
|= FILE_ATTRIBUTE_READONLY
;
318 DOSFS_UnixTimeToFileTime( st
->st_mtime
, &info
->ftCreationTime
, 0 );
319 DOSFS_UnixTimeToFileTime( st
->st_mtime
, &info
->ftLastWriteTime
, 0 );
320 DOSFS_UnixTimeToFileTime( st
->st_atime
, &info
->ftLastAccessTime
, 0 );
322 info
->dwVolumeSerialNumber
= 0; /* FIXME */
323 info
->nFileSizeHigh
= 0;
324 info
->nFileSizeLow
= S_ISDIR(st
->st_mode
) ? 0 : st
->st_size
;
325 info
->nNumberOfLinks
= st
->st_nlink
;
326 info
->nFileIndexHigh
= 0;
327 info
->nFileIndexLow
= st
->st_ino
;
331 /***********************************************************************
334 * Stat a Unix path name. Return TRUE if OK.
336 BOOL32
FILE_Stat( LPCSTR unixName
, BY_HANDLE_FILE_INFORMATION
*info
)
340 if (stat( unixName
, &st
) == -1)
345 FILE_FillInfo( &st
, info
);
350 /***********************************************************************
351 * GetFileInformationByHandle (KERNEL32.219)
353 DWORD
GetFileInformationByHandle( HFILE32 hFile
,
354 BY_HANDLE_FILE_INFORMATION
*info
)
360 if (!(file
= FILE_GetFile( hFile
))) return 0;
361 if (fstat( file
->unix_handle
, &st
) == -1) FILE_SetDosError();
364 FILE_FillInfo( &st
, info
);
367 FILE_ReleaseFile( file
);
372 /**************************************************************************
373 * GetFileAttributes16 (KERNEL.420)
375 DWORD
GetFileAttributes16( LPCSTR name
)
377 return GetFileAttributes32A( name
);
381 /**************************************************************************
382 * GetFileAttributes32A (KERNEL32.217)
384 DWORD
GetFileAttributes32A( LPCSTR name
)
386 DOS_FULL_NAME full_name
;
387 BY_HANDLE_FILE_INFORMATION info
;
389 if (!DOSFS_GetFullName( name
, TRUE
, &full_name
)) return -1;
390 if (!FILE_Stat( full_name
.long_name
, &info
)) return -1;
391 return info
.dwFileAttributes
;
395 /**************************************************************************
396 * GetFileAttributes32W (KERNEL32.218)
398 DWORD
GetFileAttributes32W( LPCWSTR name
)
400 LPSTR nameA
= HEAP_strdupWtoA( GetProcessHeap(), 0, name
);
401 DWORD res
= GetFileAttributes32A( nameA
);
402 HeapFree( GetProcessHeap(), 0, nameA
);
407 /***********************************************************************
408 * GetFileSize (KERNEL32.220)
410 DWORD
GetFileSize( HFILE32 hFile
, LPDWORD filesizehigh
)
412 BY_HANDLE_FILE_INFORMATION info
;
413 if (!GetFileInformationByHandle( hFile
, &info
)) return 0;
414 if (filesizehigh
) *filesizehigh
= info
.nFileSizeHigh
;
415 return info
.nFileSizeLow
;
419 /***********************************************************************
420 * GetFileTime (KERNEL32.221)
422 BOOL32
GetFileTime( HFILE32 hFile
, FILETIME
*lpCreationTime
,
423 FILETIME
*lpLastAccessTime
, FILETIME
*lpLastWriteTime
)
425 BY_HANDLE_FILE_INFORMATION info
;
426 if (!GetFileInformationByHandle( hFile
, &info
)) return FALSE
;
427 if (lpCreationTime
) *lpCreationTime
= info
.ftCreationTime
;
428 if (lpLastAccessTime
) *lpLastAccessTime
= info
.ftLastAccessTime
;
429 if (lpLastWriteTime
) *lpLastWriteTime
= info
.ftLastWriteTime
;
433 /***********************************************************************
434 * CompareFileTime (KERNEL32.28)
436 INT32
CompareFileTime( LPFILETIME x
, LPFILETIME y
)
438 if (x
->dwHighDateTime
> y
->dwHighDateTime
)
440 if (x
->dwHighDateTime
< y
->dwHighDateTime
)
442 if (x
->dwLowDateTime
> y
->dwLowDateTime
)
444 if (x
->dwLowDateTime
< y
->dwLowDateTime
)
449 /***********************************************************************
452 * dup() function for DOS handles.
454 HFILE32
FILE_Dup( HFILE32 hFile
)
459 dprintf_file( stddeb
, "FILE_Dup for handle %d\n", hFile
);
460 if (!(file
= FILE_GetFile( hFile
))) return HFILE_ERROR32
;
461 handle
= PROCESS_AllocHandle( &file
->header
, 0 );
462 FILE_ReleaseFile( file
);
463 dprintf_file( stddeb
, "FILE_Dup return handle %d\n", handle
);
468 /***********************************************************************
471 * dup2() function for DOS handles.
473 HFILE32
FILE_Dup2( HFILE32 hFile1
, HFILE32 hFile2
)
477 dprintf_file( stddeb
, "FILE_Dup2 for handle %d\n", hFile1
);
478 if (!(file
= FILE_GetFile( hFile1
))) return HFILE_ERROR32
;
479 if (!PROCESS_SetObjPtr( hFile2
, &file
->header
, 0 )) hFile2
= HFILE_ERROR32
;
480 FILE_ReleaseFile( file
);
485 /***********************************************************************
486 * GetTempFileName16 (KERNEL.97)
488 UINT16
GetTempFileName16( BYTE drive
, LPCSTR prefix
, UINT16 unique
,
493 if ((drive
& TF_FORCEDRIVE
) &&
494 !DRIVE_IsValid( toupper(drive
& ~TF_FORCEDRIVE
) - 'A' ))
496 drive
&= ~TF_FORCEDRIVE
;
497 fprintf( stderr
, "Warning: GetTempFileName: invalid drive %d specified\n",
501 if (drive
& TF_FORCEDRIVE
)
502 sprintf(temppath
,"%c:", drive
& ~TF_FORCEDRIVE
);
505 GetTempPath32A( 132, temppath
);
506 strcat( temppath
, "\\" );
508 return (UINT16
)GetTempFileName32A( temppath
, prefix
, unique
, buffer
);
512 /***********************************************************************
513 * GetTempFileName32A (KERNEL32.290)
515 UINT32
GetTempFileName32A( LPCSTR path
, LPCSTR prefix
, UINT32 unique
,
518 DOS_FULL_NAME full_name
;
521 UINT32 num
= unique
? (unique
& 0xffff) : time(NULL
) & 0xffff;
524 strcpy( buffer
, path
);
525 p
= buffer
+ strlen(buffer
);
526 /* add a \, if there isn't one ... */
527 if ((p
== buffer
) || (p
[-1] != '\\')) *p
++ = '\\';
529 for (i
= 3; (i
> 0) && (*prefix
); i
--) *p
++ = *prefix
++;
530 sprintf( p
, "%04x.tmp", num
);
532 /* Now try to create it */
538 HFILE32 handle
= FILE_Create( buffer
, 0666, TRUE
);
539 if (handle
!= INVALID_HANDLE_VALUE32
)
540 { /* We created it */
541 dprintf_file( stddeb
, "GetTempFileName32A: created %s\n",
543 CloseHandle( handle
);
546 if (DOS_ExtendedError
!= ER_FileExists
)
547 break; /* No need to go on */
549 sprintf( p
, "%04x.tmp", num
);
550 } while (num
!= (unique
& 0xffff));
553 /* Get the full path name */
555 if (DOSFS_GetFullName( buffer
, FALSE
, &full_name
))
557 /* Check if we have write access in the directory */
558 if ((p
= strrchr( full_name
.long_name
, '/' ))) *p
= '\0';
559 if (access( full_name
.long_name
, W_OK
) == -1)
561 "Warning: GetTempFileName returns '%s', which doesn't seem to be writeable.\n"
562 "Please check your configuration file if this generates a failure.\n",
565 dprintf_file( stddeb
, "GetTempFileName32A: returning %s\n", buffer
);
566 return unique
? unique
: num
;
570 /***********************************************************************
571 * GetTempFileName32W (KERNEL32.291)
573 UINT32
GetTempFileName32W( LPCWSTR path
, LPCWSTR prefix
, UINT32 unique
,
581 patha
= HEAP_strdupWtoA( GetProcessHeap(), 0, path
);
582 prefixa
= HEAP_strdupWtoA( GetProcessHeap(), 0, prefix
);
583 ret
= GetTempFileName32A( patha
, prefixa
, unique
, buffera
);
584 lstrcpyAtoW( buffer
, buffera
);
585 HeapFree( GetProcessHeap(), 0, patha
);
586 HeapFree( GetProcessHeap(), 0, prefixa
);
591 /***********************************************************************
594 * Implementation of OpenFile16() and OpenFile32().
596 static HFILE32
FILE_DoOpenFile( LPCSTR name
, OFSTRUCT
*ofs
, UINT32 mode
,
601 WORD filedatetime
[2];
602 DOS_FULL_NAME full_name
;
606 ofs
->cBytes
= sizeof(OFSTRUCT
);
608 if (mode
& OF_REOPEN
) name
= ofs
->szPathName
;
609 dprintf_file( stddeb
, "OpenFile: %s %04x\n", name
, mode
);
611 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
612 Are there any cases where getting the path here is wrong?
613 Uwe Bonnes 1997 Apr 2 */
614 if (!GetFullPathName32A( name
, sizeof(ofs
->szPathName
),
615 ofs
->szPathName
, NULL
)) goto error
;
617 /* OF_PARSE simply fills the structure */
621 ofs
->fFixedDisk
= (GetDriveType16( ofs
->szPathName
[0]-'A' )
623 dprintf_file( stddeb
, "OpenFile(%s): OF_PARSE, res = '%s'\n",
624 name
, ofs
->szPathName
);
628 /* OF_CREATE is completely different from all other options, so
631 if (mode
& OF_CREATE
)
633 if ((hFileRet
= FILE_Create(name
,0666,FALSE
))== INVALID_HANDLE_VALUE32
)
638 /* If OF_SEARCH is set, ignore the given path */
640 if ((mode
& OF_SEARCH
) && !(mode
& OF_REOPEN
))
642 /* First try the file name as is */
643 if (DOSFS_GetFullName( name
, TRUE
, &full_name
)) goto found
;
644 /* Now remove the path */
645 if (name
[0] && (name
[1] == ':')) name
+= 2;
646 if ((p
= strrchr( name
, '\\' ))) name
= p
+ 1;
647 if ((p
= strrchr( name
, '/' ))) name
= p
+ 1;
648 if (!name
[0]) goto not_found
;
651 /* Now look for the file */
653 if (!DIR_SearchPath( NULL
, name
, NULL
, &full_name
, win32
)) goto not_found
;
656 dprintf_file( stddeb
, "OpenFile: found %s = %s\n",
657 full_name
.long_name
, full_name
.short_name
);
658 lstrcpyn32A( ofs
->szPathName
, full_name
.short_name
,
659 sizeof(ofs
->szPathName
) );
661 if (mode
& OF_DELETE
)
663 if (unlink( full_name
.long_name
) == -1) goto not_found
;
664 dprintf_file( stddeb
, "OpenFile(%s): OF_DELETE return = OK\n", name
);
671 unixMode
= O_WRONLY
; break;
673 unixMode
= O_RDWR
; break;
676 unixMode
= O_RDONLY
; break;
679 hFileRet
= FILE_OpenUnixFile( full_name
.long_name
, unixMode
);
680 if (hFileRet
== HFILE_ERROR32
) goto not_found
;
681 GetFileTime( hFileRet
, NULL
, NULL
, &filetime
);
682 FileTimeToDosDateTime( &filetime
, &filedatetime
[0], &filedatetime
[1] );
683 if ((mode
& OF_VERIFY
) && (mode
& OF_REOPEN
))
685 if (memcmp( ofs
->reserved
, filedatetime
, sizeof(ofs
->reserved
) ))
687 CloseHandle( hFileRet
);
688 dprintf_file( stddeb
, "OpenFile(%s): OF_VERIFY failed\n", name
);
689 /* FIXME: what error here? */
690 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
694 memcpy( ofs
->reserved
, filedatetime
, sizeof(ofs
->reserved
) );
696 success
: /* We get here if the open was successful */
697 dprintf_file( stddeb
, "OpenFile(%s): OK, return = %d\n", name
, hFileRet
);
698 if (mode
& OF_EXIST
) /* Return the handle, but close it first */
699 CloseHandle( hFileRet
);
702 not_found
: /* We get here if the file does not exist */
703 dprintf_file( stddeb
, "OpenFile: '%s' not found\n", name
);
704 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
707 error
: /* We get here if there was an error opening the file */
708 ofs
->nErrCode
= DOS_ExtendedError
;
709 dprintf_file( stddeb
, "OpenFile(%s): return = HFILE_ERROR error= %d\n",
710 name
,ofs
->nErrCode
);
711 return HFILE_ERROR32
;
715 /***********************************************************************
716 * OpenFile16 (KERNEL.74)
718 HFILE16
OpenFile16( LPCSTR name
, OFSTRUCT
*ofs
, UINT16 mode
)
720 return FILE_DoOpenFile( name
, ofs
, mode
, FALSE
);
724 /***********************************************************************
725 * OpenFile32 (KERNEL32.396)
727 HFILE32
OpenFile32( LPCSTR name
, OFSTRUCT
*ofs
, UINT32 mode
)
729 return FILE_DoOpenFile( name
, ofs
, mode
, TRUE
);
733 /***********************************************************************
734 * _lclose16 (KERNEL.81)
736 HFILE16
_lclose16( HFILE16 hFile
)
738 dprintf_file( stddeb
, "_lclose16: handle %d\n", hFile
);
739 return CloseHandle( hFile
) ? 0 : HFILE_ERROR16
;
743 /***********************************************************************
744 * _lclose32 (KERNEL32.592)
746 HFILE32
_lclose32( HFILE32 hFile
)
748 dprintf_file( stddeb
, "_lclose32: handle %d\n", hFile
);
749 return CloseHandle( hFile
) ? 0 : HFILE_ERROR32
;
753 /***********************************************************************
756 LONG
WIN16_hread( HFILE16 hFile
, SEGPTR buffer
, LONG count
)
760 dprintf_file( stddeb
, "WIN16_hread: %d %08lx %ld\n",
761 hFile
, (DWORD
)buffer
, count
);
763 /* Some programs pass a count larger than the allocated buffer */
764 maxlen
= GetSelectorLimit( SELECTOROF(buffer
) ) - OFFSETOF(buffer
) + 1;
765 if (count
> maxlen
) count
= maxlen
;
766 return _lread32( hFile
, PTR_SEG_TO_LIN(buffer
), count
);
770 /***********************************************************************
773 UINT16
WIN16_lread( HFILE16 hFile
, SEGPTR buffer
, UINT16 count
)
775 return (UINT16
)WIN16_hread( hFile
, buffer
, (LONG
)count
);
779 /***********************************************************************
780 * _lread32 (KERNEL32.596)
782 UINT32
_lread32( HFILE32 hFile
, LPVOID buffer
, UINT32 count
)
787 dprintf_file( stddeb
, "_lread32: %d %p %d\n", hFile
, buffer
, count
);
788 if (!(file
= FILE_GetFile( hFile
))) return -1;
789 if (!count
) result
= 0;
790 else if ((result
= read( file
->unix_handle
, buffer
, count
)) == -1)
792 FILE_ReleaseFile( file
);
797 /***********************************************************************
798 * _lread16 (KERNEL.82)
800 UINT16
_lread16( HFILE16 hFile
, LPVOID buffer
, UINT16 count
)
802 return (UINT16
)_lread32( hFile
, buffer
, (LONG
)count
);
806 /***********************************************************************
807 * _lcreat16 (KERNEL.83)
809 HFILE16
_lcreat16( LPCSTR path
, INT16 attr
)
811 int mode
= (attr
& 1) ? 0444 : 0666;
812 dprintf_file( stddeb
, "_lcreat16: %s %02x\n", path
, attr
);
813 return (HFILE16
)FILE_Create( path
, mode
, FALSE
);
817 /***********************************************************************
818 * _lcreat32 (KERNEL32.593)
820 HFILE32
_lcreat32( LPCSTR path
, INT32 attr
)
822 int mode
= (attr
& 1) ? 0444 : 0666;
823 dprintf_file( stddeb
, "_lcreat32: %s %02x\n", path
, attr
);
824 return FILE_Create( path
, mode
, FALSE
);
828 /***********************************************************************
829 * _lcreat_uniq (Not a Windows API)
831 HFILE32
_lcreat_uniq( LPCSTR path
, INT32 attr
)
833 int mode
= (attr
& 1) ? 0444 : 0666;
834 dprintf_file( stddeb
, "_lcreat_uniq: %s %02x\n", path
, attr
);
835 return FILE_Create( path
, mode
, TRUE
);
839 /***********************************************************************
840 * SetFilePointer (KERNEL32.492)
842 DWORD
SetFilePointer( HFILE32 hFile
, LONG distance
, LONG
*highword
,
848 if (highword
&& *highword
)
850 fprintf( stderr
, "SetFilePointer: 64-bit offsets not supported yet\n");
851 SetLastError( ERROR_INVALID_PARAMETER
);
854 dprintf_file( stddeb
, "SetFilePointer: handle %d offset %ld origin %ld\n",
855 hFile
, distance
, method
);
857 if (!(file
= FILE_GetFile( hFile
))) return 0xffffffff;
860 case FILE_CURRENT
: origin
= SEEK_CUR
; break;
861 case FILE_END
: origin
= SEEK_END
; break;
862 default: origin
= SEEK_SET
; break;
865 if ((result
= lseek( file
->unix_handle
, distance
, origin
)) == -1)
867 FILE_ReleaseFile( file
);
868 return (DWORD
)result
;
872 /***********************************************************************
873 * _llseek16 (KERNEL.84)
875 LONG
_llseek16( HFILE16 hFile
, LONG lOffset
, INT16 nOrigin
)
877 return SetFilePointer( hFile
, lOffset
, NULL
, nOrigin
);
881 /***********************************************************************
882 * _llseek32 (KERNEL32.594)
884 LONG
_llseek32( HFILE32 hFile
, LONG lOffset
, INT32 nOrigin
)
886 return SetFilePointer( hFile
, lOffset
, NULL
, nOrigin
);
890 /***********************************************************************
891 * _lopen16 (KERNEL.85)
893 HFILE16
_lopen16( LPCSTR path
, INT16 mode
)
895 return _lopen32( path
, mode
);
899 /***********************************************************************
900 * _lopen32 (KERNEL32.595)
902 HFILE32
_lopen32( LPCSTR path
, INT32 mode
)
906 dprintf_file(stddeb
, "_lopen32('%s',%04x)\n", path
, mode
);
911 unixMode
= O_WRONLY
| O_TRUNC
;
921 return FILE_Open( path
, unixMode
);
925 /***********************************************************************
926 * _lwrite16 (KERNEL.86)
928 UINT16
_lwrite16( HFILE16 hFile
, LPCSTR buffer
, UINT16 count
)
930 return (UINT16
)_hwrite32( hFile
, buffer
, (LONG
)count
);
933 /***********************************************************************
934 * _lwrite32 (KERNEL.86)
936 UINT32
_lwrite32( HFILE32 hFile
, LPCSTR buffer
, UINT32 count
)
938 return (UINT32
)_hwrite32( hFile
, buffer
, (LONG
)count
);
942 /***********************************************************************
943 * _hread16 (KERNEL.349)
945 LONG
_hread16( HFILE16 hFile
, LPVOID buffer
, LONG count
)
947 return _lread32( hFile
, buffer
, count
);
951 /***********************************************************************
952 * _hread32 (KERNEL32.590)
954 LONG
_hread32( HFILE32 hFile
, LPVOID buffer
, LONG count
)
956 return _lread32( hFile
, buffer
, count
);
960 /***********************************************************************
961 * _hwrite16 (KERNEL.350)
963 LONG
_hwrite16( HFILE16 hFile
, LPCSTR buffer
, LONG count
)
965 return _hwrite32( hFile
, buffer
, count
);
969 /***********************************************************************
970 * _hwrite32 (KERNEL32.591)
972 LONG
_hwrite32( HFILE32 hFile
, LPCSTR buffer
, LONG count
)
977 dprintf_file( stddeb
, "_hwrite32: %d %p %ld\n", hFile
, buffer
, count
);
979 if (!(file
= FILE_GetFile( hFile
))) return HFILE_ERROR32
;
980 if (count
== 0) /* Expand or truncate at current position */
981 result
= ftruncate( file
->unix_handle
,
982 lseek( file
->unix_handle
, 0, SEEK_CUR
) );
984 result
= write( file
->unix_handle
, buffer
, count
);
986 if (result
== -1) FILE_SetDosError();
987 FILE_ReleaseFile( file
);
992 /***********************************************************************
993 * SetHandleCount16 (KERNEL.199)
995 UINT16
SetHandleCount16( UINT16 count
)
997 HGLOBAL16 hPDB
= GetCurrentPDB();
998 PDB
*pdb
= (PDB
*)GlobalLock16( hPDB
);
999 BYTE
*files
= PTR_SEG_TO_LIN( pdb
->fileHandlesPtr
);
1001 dprintf_file( stddeb
, "SetHandleCount16(%d)\n", count
);
1003 if (count
< 20) count
= 20; /* No point in going below 20 */
1004 else if (count
> 254) count
= 254;
1008 if (pdb
->nbFiles
> 20)
1010 memcpy( pdb
->fileHandles
, files
, 20 );
1011 GlobalFree16( pdb
->hFileHandles
);
1012 pdb
->fileHandlesPtr
= (SEGPTR
)MAKELONG( 0x18,
1013 GlobalHandleToSel( hPDB
) );
1014 pdb
->hFileHandles
= 0;
1018 else /* More than 20, need a new file handles table */
1021 HGLOBAL16 newhandle
= GlobalAlloc16( GMEM_MOVEABLE
, count
);
1024 DOS_ERROR( ER_OutOfMemory
, EC_OutOfResource
, SA_Abort
, EL_Memory
);
1025 return pdb
->nbFiles
;
1027 newfiles
= (BYTE
*)GlobalLock16( newhandle
);
1029 if (count
> pdb
->nbFiles
)
1031 memcpy( newfiles
, files
, pdb
->nbFiles
);
1032 memset( newfiles
+ pdb
->nbFiles
, 0xff, count
- pdb
->nbFiles
);
1034 else memcpy( newfiles
, files
, count
);
1035 if (pdb
->nbFiles
> 20) GlobalFree16( pdb
->hFileHandles
);
1036 pdb
->fileHandlesPtr
= WIN16_GlobalLock16( newhandle
);
1037 pdb
->hFileHandles
= newhandle
;
1038 pdb
->nbFiles
= count
;
1040 return pdb
->nbFiles
;
1044 /*************************************************************************
1045 * SetHandleCount32 (KERNEL32.494)
1047 UINT32
SetHandleCount32( UINT32 count
)
1049 return MIN( 256, count
);
1053 /***********************************************************************
1054 * FlushFileBuffers (KERNEL32.133)
1056 BOOL32
FlushFileBuffers( HFILE32 hFile
)
1061 dprintf_file( stddeb
, "FlushFileBuffers(%d)\n", hFile
);
1062 if (!(file
= FILE_GetFile( hFile
))) return FALSE
;
1063 if (fsync( file
->unix_handle
) != -1) ret
= TRUE
;
1069 FILE_ReleaseFile( file
);
1074 /**************************************************************************
1075 * SetEndOfFile (KERNEL32.483)
1077 BOOL32
SetEndOfFile( HFILE32 hFile
)
1082 dprintf_file( stddeb
, "SetEndOfFile(%d)\n", hFile
);
1083 if (!(file
= FILE_GetFile( hFile
))) return FALSE
;
1084 if (ftruncate( file
->unix_handle
,
1085 lseek( file
->unix_handle
, 0, SEEK_CUR
) ))
1090 FILE_ReleaseFile( file
);
1095 /***********************************************************************
1096 * DeleteFile16 (KERNEL.146)
1098 BOOL16
DeleteFile16( LPCSTR path
)
1100 return DeleteFile32A( path
);
1104 /***********************************************************************
1105 * DeleteFile32A (KERNEL32.71)
1107 BOOL32
DeleteFile32A( LPCSTR path
)
1109 DOS_FULL_NAME full_name
;
1110 const char *unixName
;
1112 dprintf_file(stddeb
, "DeleteFile: '%s'\n", path
);
1114 if ((unixName
= DOSFS_IsDevice( path
)) != NULL
)
1116 dprintf_file(stddeb
, "DeleteFile: removing device '%s'!\n", unixName
);
1117 DOS_ERROR( ER_FileNotFound
, EC_NotFound
, SA_Abort
, EL_Disk
);
1121 if (!DOSFS_GetFullName( path
, TRUE
, &full_name
)) return FALSE
;
1122 if (unlink( full_name
.long_name
) == -1)
1131 /***********************************************************************
1132 * DeleteFile32W (KERNEL32.72)
1134 BOOL32
DeleteFile32W( LPCWSTR path
)
1136 LPSTR xpath
= HEAP_strdupWtoA( GetProcessHeap(), 0, path
);
1137 BOOL32 ret
= RemoveDirectory32A( xpath
);
1138 HeapFree( GetProcessHeap(), 0, xpath
);
1143 /***********************************************************************
1146 BOOL32
FILE_SetFileType( HFILE32 hFile
, DWORD type
)
1148 FILE_OBJECT
*file
= FILE_GetFile( hFile
);
1149 if (!file
) return FALSE
;
1151 FILE_ReleaseFile( file
);
1156 /***********************************************************************
1159 LPVOID
FILE_mmap( FILE_OBJECT
*file
, LPVOID start
,
1160 DWORD size_high
, DWORD size_low
,
1161 DWORD offset_high
, DWORD offset_low
,
1162 int prot
, int flags
)
1166 if (size_high
|| offset_high
)
1167 fprintf( stderr
, "FILE_mmap: offsets larger than 4Gb not supported\n");
1174 static int fdzero
= -1;
1178 if ((fdzero
= open( "/dev/zero", O_RDONLY
)) == -1)
1180 perror( "/dev/zero: open" );
1185 #endif /* MAP_ANON */
1187 else fd
= file
->unix_handle
;
1189 return mmap( start
, size_low
, prot
, flags
, fd
, offset_low
);
1193 /***********************************************************************
1194 * GetFileType (KERNEL32.222)
1196 DWORD
GetFileType( HFILE32 hFile
)
1198 FILE_OBJECT
*file
= FILE_GetFile(hFile
);
1199 if (!file
) return FILE_TYPE_UNKNOWN
; /* FIXME: correct? */
1200 FILE_ReleaseFile( file
);
1205 /**************************************************************************
1206 * MoveFile32A (KERNEL32.387)
1208 BOOL32
MoveFile32A( LPCSTR fn1
, LPCSTR fn2
)
1210 DOS_FULL_NAME full_name1
, full_name2
;
1212 dprintf_file( stddeb
, "MoveFile32A(%s,%s)\n", fn1
, fn2
);
1214 if (!DOSFS_GetFullName( fn1
, TRUE
, &full_name1
)) return FALSE
;
1215 if (!DOSFS_GetFullName( fn2
, FALSE
, &full_name2
)) return FALSE
;
1216 /* FIXME: should not replace an existing file */
1217 /* FIXME: should handle renaming across devices */
1218 if (rename( full_name1
.long_name
, full_name2
.long_name
) == -1)
1227 /**************************************************************************
1228 * MoveFile32W (KERNEL32.390)
1230 BOOL32
MoveFile32W( LPCWSTR fn1
, LPCWSTR fn2
)
1232 LPSTR afn1
= HEAP_strdupWtoA( GetProcessHeap(), 0, fn1
);
1233 LPSTR afn2
= HEAP_strdupWtoA( GetProcessHeap(), 0, fn2
);
1234 BOOL32 res
= MoveFile32A( afn1
, afn2
);
1235 HeapFree( GetProcessHeap(), 0, afn1
);
1236 HeapFree( GetProcessHeap(), 0, afn2
);
1241 /**************************************************************************
1242 * CopyFile32A (KERNEL32.36)
1244 BOOL32
CopyFile32A( LPCSTR source
, LPCSTR dest
, BOOL32 fail_if_exists
)
1247 BY_HANDLE_FILE_INFORMATION info
;
1253 if ((h1
= _lopen32( source
, OF_READ
)) == HFILE_ERROR32
) return FALSE
;
1254 if (!GetFileInformationByHandle( h1
, &info
))
1259 mode
= (info
.dwFileAttributes
& FILE_ATTRIBUTE_READONLY
) ? 0444 : 0666;
1260 if ((h2
= FILE_Create( dest
, mode
, fail_if_exists
)) == HFILE_ERROR32
)
1265 while ((count
= _lread32( h2
, buffer
, sizeof(buffer
) )) > 0)
1270 INT32 res
= _lwrite32( h2
, p
, count
);
1271 if (res
<= 0) goto done
;
1284 /**************************************************************************
1285 * CopyFile32W (KERNEL32.37)
1287 BOOL32
CopyFile32W( LPCWSTR source
, LPCWSTR dest
, BOOL32 fail_if_exists
)
1289 LPSTR sourceA
= HEAP_strdupWtoA( GetProcessHeap(), 0, source
);
1290 LPSTR destA
= HEAP_strdupWtoA( GetProcessHeap(), 0, dest
);
1291 BOOL32 ret
= CopyFile32A( sourceA
, destA
, fail_if_exists
);
1292 HeapFree( GetProcessHeap(), 0, sourceA
);
1293 HeapFree( GetProcessHeap(), 0, destA
);
1298 /***********************************************************************
1299 * SetFileTime (KERNEL32.493)
1301 BOOL32
SetFileTime( HFILE32 hFile
,
1302 const FILETIME
*lpCreationTime
,
1303 const FILETIME
*lpLastAccessTime
,
1304 const FILETIME
*lpLastWriteTime
)
1306 FILE_OBJECT
*file
= FILE_GetFile(hFile
);
1307 struct utimbuf utimbuf
;
1309 if (!file
) return FILE_TYPE_UNKNOWN
; /* FIXME: correct? */
1310 dprintf_file(stddeb
,"SetFileTime(%s,%p,%p,%p)\n",
1316 if (lpLastAccessTime
)
1317 utimbuf
.actime
= DOSFS_FileTimeToUnixTime(lpLastAccessTime
, NULL
);
1319 utimbuf
.actime
= 0; /* FIXME */
1320 if (lpLastWriteTime
)
1321 utimbuf
.modtime
= DOSFS_FileTimeToUnixTime(lpLastWriteTime
, NULL
);
1323 utimbuf
.modtime
= 0; /* FIXME */
1324 if (-1==utime(file
->unix_name
,&utimbuf
))
1326 FILE_ReleaseFile( file
);
1330 FILE_ReleaseFile( file
);