2105 lines
63 KiB
C
2105 lines
63 KiB
C
/*
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* File handling functions
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*
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* Copyright 1993 John Burton
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* Copyright 1996 Alexandre Julliard
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*
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* TODO:
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* Fix the CopyFileEx methods to implement the "extented" functionality.
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* Right now, they simply call the CopyFile method.
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/time.h>
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#include <time.h>
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#include <unistd.h>
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#include <utime.h>
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#include "windows.h"
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#include "winerror.h"
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#include "drive.h"
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#include "device.h"
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#include "file.h"
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#include "global.h"
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#include "heap.h"
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#include "msdos.h"
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#include "options.h"
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#include "ldt.h"
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#include "process.h"
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#include "task.h"
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#include "async.h"
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#include "debug.h"
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#include "server/request.h"
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#include "server.h"
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#if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
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#define MAP_ANON MAP_ANONYMOUS
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#endif
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static void FILE_Destroy( K32OBJ *obj );
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const K32OBJ_OPS FILE_Ops =
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{
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FILE_Destroy /* destroy */
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};
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struct DOS_FILE_LOCK {
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struct DOS_FILE_LOCK * next;
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DWORD base;
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DWORD len;
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DWORD processId;
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FILE_OBJECT * dos_file;
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char * unix_name;
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};
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typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
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static DOS_FILE_LOCK *locks = NULL;
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static void DOS_RemoveFileLocks(FILE_OBJECT *file);
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/***********************************************************************
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* FILE_Destroy
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*
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* Destroy a DOS file.
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*/
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static void FILE_Destroy( K32OBJ *ptr )
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{
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FILE_OBJECT *file = (FILE_OBJECT *)ptr;
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assert( ptr->type == K32OBJ_FILE );
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DOS_RemoveFileLocks(file);
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if (file->unix_name) HeapFree( SystemHeap, 0, file->unix_name );
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ptr->type = K32OBJ_UNKNOWN;
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HeapFree( SystemHeap, 0, file );
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}
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/***********************************************************************
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* FILE_GetFile
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*
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* Return the DOS file associated to a task file handle. FILE_ReleaseFile must
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* be called to release the file.
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*/
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FILE_OBJECT *FILE_GetFile( HFILE32 handle, DWORD access, int *server_handle )
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{
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return (FILE_OBJECT *)HANDLE_GetObjPtr( PROCESS_Current(), handle,
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K32OBJ_FILE, access,
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server_handle );
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}
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/***********************************************************************
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* FILE_ReleaseFile
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*
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* Release a DOS file obtained with FILE_GetFile.
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*/
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void FILE_ReleaseFile( FILE_OBJECT *file )
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{
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K32OBJ_DecCount( &file->header );
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}
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/***********************************************************************
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* FILE_ConvertOFMode
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*
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* Convert OF_* mode into flags for CreateFile.
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*/
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static void FILE_ConvertOFMode( INT32 mode, DWORD *access, DWORD *sharing )
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{
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switch(mode & 0x03)
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{
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case OF_READ: *access = GENERIC_READ; break;
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case OF_WRITE: *access = GENERIC_WRITE; break;
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case OF_READWRITE: *access = GENERIC_READ | GENERIC_WRITE; break;
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default: *access = 0; break;
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}
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switch(mode & 0x70)
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{
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case OF_SHARE_EXCLUSIVE: *sharing = 0; break;
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case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
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case OF_SHARE_DENY_READ: *sharing = FILE_SHARE_WRITE; break;
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case OF_SHARE_DENY_NONE:
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case OF_SHARE_COMPAT:
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default: *sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
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}
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}
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#if 0
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/***********************************************************************
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* FILE_ShareDeny
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*
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* PARAMS
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* oldmode[I] mode how file was first opened
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* mode[I] mode how the file should get opened
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* RETURNS
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* TRUE: deny open
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* FALSE: allow open
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*
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* Look what we have to do with the given SHARE modes
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*
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* Ralph Brown's interrupt list gives following explication, I guess
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* the same holds for Windows, DENY ALL should be OF_SHARE_COMPAT
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*
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* FIXME: Validate this function
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========from Ralph Brown's list =========
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(Table 0750)
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Values of DOS file sharing behavior:
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| Second and subsequent Opens
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First |Compat Deny Deny Deny Deny
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Open | All Write Read None
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|R W RW R W RW R W RW R W RW R W RW
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- - - - -| - - - - - - - - - - - - - - - - -
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Compat R |Y Y Y N N N 1 N N N N N 1 N N
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W |Y Y Y N N N N N N N N N N N N
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RW|Y Y Y N N N N N N N N N N N N
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- - - - -|
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Deny R |C C C N N N N N N N N N N N N
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All W |C C C N N N N N N N N N N N N
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RW|C C C N N N N N N N N N N N N
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- - - - -|
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Deny R |2 C C N N N Y N N N N N Y N N
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Write W |C C C N N N N N N Y N N Y N N
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RW|C C C N N N N N N N N N Y N N
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- - - - -|
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Deny R |C C C N N N N Y N N N N N Y N
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Read W |C C C N N N N N N N Y N N Y N
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RW|C C C N N N N N N N N N N Y N
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- - - - -|
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Deny R |2 C C N N N Y Y Y N N N Y Y Y
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None W |C C C N N N N N N Y Y Y Y Y Y
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RW|C C C N N N N N N N N N Y Y Y
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Legend: Y = open succeeds, N = open fails with error code 05h
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C = open fails, INT 24 generated
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1 = open succeeds if file read-only, else fails with error code
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2 = open succeeds if file read-only, else fails with INT 24
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========end of description from Ralph Brown's List =====
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For every "Y" in the table we return FALSE
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For every "N" we set the DOS_ERROR and return TRUE
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For all other cases we barf,set the DOS_ERROR and return TRUE
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*/
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static BOOL32 FILE_ShareDeny( int mode, int oldmode)
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{
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int oldsharemode = oldmode & 0x70;
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int sharemode = mode & 0x70;
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int oldopenmode = oldmode & 3;
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int openmode = mode & 3;
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switch (oldsharemode)
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{
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case OF_SHARE_COMPAT:
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if (sharemode == OF_SHARE_COMPAT) return FALSE;
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if (openmode == OF_READ) goto test_ro_err05 ;
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goto fail_error05;
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case OF_SHARE_EXCLUSIVE:
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if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
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goto fail_error05;
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case OF_SHARE_DENY_WRITE:
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if (openmode != OF_READ)
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{
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if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
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goto fail_error05;
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}
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switch (sharemode)
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{
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case OF_SHARE_COMPAT:
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if (oldopenmode == OF_READ) goto test_ro_int24 ;
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goto fail_int24;
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case OF_SHARE_DENY_NONE :
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return FALSE;
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case OF_SHARE_DENY_WRITE :
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if (oldopenmode == OF_READ) return FALSE;
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case OF_SHARE_DENY_READ :
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if (oldopenmode == OF_WRITE) return FALSE;
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case OF_SHARE_EXCLUSIVE:
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default:
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goto fail_error05;
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}
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break;
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case OF_SHARE_DENY_READ:
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if (openmode != OF_WRITE)
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{
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if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
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goto fail_error05;
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}
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switch (sharemode)
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{
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case OF_SHARE_COMPAT:
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goto fail_int24;
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case OF_SHARE_DENY_NONE :
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return FALSE;
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case OF_SHARE_DENY_WRITE :
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if (oldopenmode == OF_READ) return FALSE;
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case OF_SHARE_DENY_READ :
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if (oldopenmode == OF_WRITE) return FALSE;
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case OF_SHARE_EXCLUSIVE:
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default:
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goto fail_error05;
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}
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break;
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case OF_SHARE_DENY_NONE:
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switch (sharemode)
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{
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case OF_SHARE_COMPAT:
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goto fail_int24;
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case OF_SHARE_DENY_NONE :
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return FALSE;
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case OF_SHARE_DENY_WRITE :
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if (oldopenmode == OF_READ) return FALSE;
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case OF_SHARE_DENY_READ :
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if (oldopenmode == OF_WRITE) return FALSE;
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case OF_SHARE_EXCLUSIVE:
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default:
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goto fail_error05;
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}
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default:
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ERR(file,"unknown mode\n");
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}
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ERR(file,"shouldn't happen\n");
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ERR(file,"Please report to bon@elektron.ikp.physik.tu-darmstadt.de\n");
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return TRUE;
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test_ro_int24:
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if (oldmode == OF_READ)
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return FALSE;
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/* Fall through */
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fail_int24:
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FIXME(file,"generate INT24 missing\n");
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/* Is this the right error? */
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DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
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return TRUE;
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test_ro_err05:
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if (oldmode == OF_READ)
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return FALSE;
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/* fall through */
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fail_error05:
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TRACE(file,"Access Denied, oldmode 0x%02x mode 0x%02x\n",oldmode,mode);
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DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
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return TRUE;
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}
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#endif
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/***********************************************************************
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* FILE_SetDosError
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*
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* Set the DOS error code from errno.
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*/
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void FILE_SetDosError(void)
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{
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int save_errno = errno; /* errno gets overwritten by printf */
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TRACE(file, "errno = %d %s\n", errno, strerror(errno));
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switch (save_errno)
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{
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case EAGAIN:
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DOS_ERROR( ER_ShareViolation, EC_Temporary, SA_Retry, EL_Disk );
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break;
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case EBADF:
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DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
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break;
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case ENOSPC:
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DOS_ERROR( ER_DiskFull, EC_MediaError, SA_Abort, EL_Disk );
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break;
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case EACCES:
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case EPERM:
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case EROFS:
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DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
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break;
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case EBUSY:
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DOS_ERROR( ER_LockViolation, EC_AccessDenied, SA_Abort, EL_Disk );
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break;
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case ENOENT:
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DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
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break;
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case EISDIR:
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DOS_ERROR( ER_CanNotMakeDir, EC_AccessDenied, SA_Abort, EL_Unknown );
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break;
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case ENFILE:
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case EMFILE:
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DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Unknown );
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break;
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case EEXIST:
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DOS_ERROR( ER_FileExists, EC_Exists, SA_Abort, EL_Disk );
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break;
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case EINVAL:
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case ESPIPE:
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DOS_ERROR( ER_SeekError, EC_NotFound, SA_Ignore, EL_Disk );
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break;
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case ENOTEMPTY:
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DOS_ERROR( ERROR_DIR_NOT_EMPTY, EC_Exists, SA_Ignore, EL_Disk );
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break;
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default:
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perror( "int21: unknown errno" );
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DOS_ERROR( ER_GeneralFailure, EC_SystemFailure, SA_Abort, EL_Unknown );
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break;
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}
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errno = save_errno;
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}
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/***********************************************************************
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* FILE_DupUnixHandle
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*
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* Duplicate a Unix handle into a task handle.
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*/
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HFILE32 FILE_DupUnixHandle( int fd, DWORD access )
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{
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FILE_OBJECT *file;
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int unix_handle;
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struct create_file_request req;
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struct create_file_reply reply;
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if ((unix_handle = dup(fd)) == -1)
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{
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FILE_SetDosError();
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return INVALID_HANDLE_VALUE32;
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}
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req.access = access;
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req.inherit = 1;
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req.sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
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req.create = 0;
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req.attrs = 0;
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CLIENT_SendRequest( REQ_CREATE_FILE, unix_handle, 1,
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&req, sizeof(req) );
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CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
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if (reply.handle == -1) return INVALID_HANDLE_VALUE32;
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if (!(file = HeapAlloc( SystemHeap, 0, sizeof(FILE_OBJECT) )))
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{
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DOS_ERROR( ER_TooManyOpenFiles, EC_ProgramError, SA_Abort, EL_Disk );
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CLIENT_CloseHandle( reply.handle );
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return (HFILE32)NULL;
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}
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file->header.type = K32OBJ_FILE;
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file->header.refcount = 0;
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file->unix_name = NULL;
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return HANDLE_Alloc( PROCESS_Current(), &file->header, req.access,
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req.inherit, reply.handle );
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}
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/***********************************************************************
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* FILE_CreateFile
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*
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* Implementation of CreateFile. Takes a Unix path name.
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*/
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HFILE32 FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
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LPSECURITY_ATTRIBUTES sa, DWORD creation,
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DWORD attributes, HANDLE32 template )
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{
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FILE_OBJECT *file;
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struct create_file_request req;
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struct create_file_reply reply;
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req.access = access;
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req.inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
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req.sharing = sharing;
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req.create = creation;
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req.attrs = attributes;
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CLIENT_SendRequest( REQ_CREATE_FILE, -1, 2,
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&req, sizeof(req),
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filename, strlen(filename) + 1 );
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CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
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/* If write access failed, retry without GENERIC_WRITE */
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if ((reply.handle == -1) && !Options.failReadOnly &&
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(access & GENERIC_WRITE) && (GetLastError() == ERROR_ACCESS_DENIED))
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{
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req.access &= ~GENERIC_WRITE;
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CLIENT_SendRequest( REQ_CREATE_FILE, -1, 2,
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&req, sizeof(req),
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filename, strlen(filename) + 1 );
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CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL );
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}
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if (reply.handle == -1) return INVALID_HANDLE_VALUE32;
|
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|
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/* Now build the FILE_OBJECT */
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|
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if (!(file = HeapAlloc( SystemHeap, 0, sizeof(FILE_OBJECT) )))
|
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{
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SetLastError( ERROR_OUTOFMEMORY );
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CLIENT_CloseHandle( reply.handle );
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return (HFILE32)INVALID_HANDLE_VALUE32;
|
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}
|
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file->header.type = K32OBJ_FILE;
|
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file->header.refcount = 0;
|
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file->unix_name = HEAP_strdupA( SystemHeap, 0, filename );
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return HANDLE_Alloc( PROCESS_Current(), &file->header, req.access,
|
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req.inherit, reply.handle );
|
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}
|
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|
|
|
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/*************************************************************************
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* CreateFile32A [KERNEL32.45] Creates or opens a file or other object
|
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*
|
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* Creates or opens an object, and returns a handle that can be used to
|
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* access that object.
|
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*
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* PARAMS
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*
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* filename [I] pointer to filename to be accessed
|
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* access [I] access mode requested
|
|
* sharing [I] share mode
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|
* sa [I] pointer to security attributes
|
|
* creation [I] how to create the file
|
|
* attributes [I] attributes for newly created file
|
|
* template [I] handle to file with extended attributes to copy
|
|
*
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* RETURNS
|
|
* Success: Open handle to specified file
|
|
* Failure: INVALID_HANDLE_VALUE
|
|
*
|
|
* NOTES
|
|
* Should call SetLastError() on failure.
|
|
*
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* BUGS
|
|
*
|
|
* Doesn't support character devices, pipes, template files, or a
|
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* lot of the 'attributes' flags yet.
|
|
*/
|
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HFILE32 WINAPI CreateFile32A( LPCSTR filename, DWORD access, DWORD sharing,
|
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LPSECURITY_ATTRIBUTES sa, DWORD creation,
|
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DWORD attributes, HANDLE32 template )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
HANDLE32 to_dup = HFILE_ERROR32;
|
|
|
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if (!filename)
|
|
{
|
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SetLastError( ERROR_INVALID_PARAMETER );
|
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return HFILE_ERROR32;
|
|
}
|
|
|
|
/* If the name starts with '\\?\', ignore the first 4 chars. */
|
|
if (!strncmp(filename, "\\\\?\\", 4))
|
|
{
|
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filename += 4;
|
|
if (!strncmp(filename, "UNC\\", 4))
|
|
{
|
|
FIXME( file, "UNC name (%s) not supported.\n", filename );
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return HFILE_ERROR32;
|
|
}
|
|
}
|
|
|
|
if (!strncmp(filename, "\\\\.\\", 4)) return DEVICE_Open( filename+4 );
|
|
|
|
/* If the name still starts with '\\', it's a UNC name. */
|
|
if (!strncmp(filename, "\\\\", 2))
|
|
{
|
|
FIXME( file, "UNC name (%s) not supported.\n", filename );
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return HFILE_ERROR32;
|
|
}
|
|
|
|
/* If the name is either CONIN$ or CONOUT$, give them duplicated stdin
|
|
* or stdout, respectively. The lower case version is also allowed. Most likely
|
|
* this should be a case ignore string compare.
|
|
*/
|
|
if(!strcasecmp(filename, "CONIN$"))
|
|
to_dup = GetStdHandle( STD_INPUT_HANDLE );
|
|
else if(!strcasecmp(filename, "CONOUT$"))
|
|
to_dup = GetStdHandle( STD_OUTPUT_HANDLE );
|
|
|
|
if(to_dup != HFILE_ERROR32)
|
|
{
|
|
HFILE32 handle;
|
|
if (!DuplicateHandle( GetCurrentProcess(), to_dup, GetCurrentProcess(),
|
|
&handle, access, FALSE, 0 ))
|
|
handle = HFILE_ERROR32;
|
|
return handle;
|
|
}
|
|
|
|
if (DOSFS_GetDevice( filename ))
|
|
{
|
|
HFILE32 ret;
|
|
|
|
TRACE(file, "opening device '%s'\n", filename );
|
|
|
|
if (HFILE_ERROR32!=(ret=DOSFS_OpenDevice( filename, access )))
|
|
return ret;
|
|
|
|
/* Do not silence this please. It is a critical error. -MM */
|
|
ERR(file, "Couldn't open device '%s'!\n",filename);
|
|
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
return HFILE_ERROR32;
|
|
}
|
|
|
|
/* check for filename, don't check for last entry if creating */
|
|
if (!DOSFS_GetFullName( filename,
|
|
(creation == OPEN_EXISTING) || (creation == TRUNCATE_EXISTING), &full_name ))
|
|
return HFILE_ERROR32;
|
|
|
|
return FILE_CreateFile( full_name.long_name, access, sharing,
|
|
sa, creation, attributes, template );
|
|
}
|
|
|
|
|
|
|
|
/*************************************************************************
|
|
* CreateFile32W (KERNEL32.48)
|
|
*/
|
|
HFILE32 WINAPI CreateFile32W( LPCWSTR filename, DWORD access, DWORD sharing,
|
|
LPSECURITY_ATTRIBUTES sa, DWORD creation,
|
|
DWORD attributes, HANDLE32 template)
|
|
{
|
|
LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
|
|
HFILE32 res = CreateFile32A( afn, access, sharing, sa, creation, attributes, template );
|
|
HeapFree( GetProcessHeap(), 0, afn );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FILE_FillInfo
|
|
*
|
|
* Fill a file information from a struct stat.
|
|
*/
|
|
static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
|
|
{
|
|
if (S_ISDIR(st->st_mode))
|
|
info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
|
|
else
|
|
info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
|
|
if (!(st->st_mode & S_IWUSR))
|
|
info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
|
|
|
|
DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftCreationTime, 0 );
|
|
DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftLastWriteTime, 0 );
|
|
DOSFS_UnixTimeToFileTime( st->st_atime, &info->ftLastAccessTime, 0 );
|
|
|
|
info->dwVolumeSerialNumber = 0; /* FIXME */
|
|
info->nFileSizeHigh = 0;
|
|
info->nFileSizeLow = S_ISDIR(st->st_mode) ? 0 : st->st_size;
|
|
info->nNumberOfLinks = st->st_nlink;
|
|
info->nFileIndexHigh = 0;
|
|
info->nFileIndexLow = st->st_ino;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FILE_Stat
|
|
*
|
|
* Stat a Unix path name. Return TRUE if OK.
|
|
*/
|
|
BOOL32 FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
|
|
{
|
|
struct stat st;
|
|
|
|
if (!unixName || !info) return FALSE;
|
|
|
|
if (stat( unixName, &st ) == -1)
|
|
{
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
FILE_FillInfo( &st, info );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFileInformationByHandle (KERNEL32.219)
|
|
*/
|
|
DWORD WINAPI GetFileInformationByHandle( HFILE32 hFile,
|
|
BY_HANDLE_FILE_INFORMATION *info )
|
|
{
|
|
struct get_file_info_request req;
|
|
struct get_file_info_reply reply;
|
|
|
|
if (!info) return 0;
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_FILE, 0 )) == -1)
|
|
return 0;
|
|
CLIENT_SendRequest( REQ_GET_FILE_INFO, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
|
|
return 0;
|
|
DOSFS_UnixTimeToFileTime( reply.write_time, &info->ftCreationTime, 0 );
|
|
DOSFS_UnixTimeToFileTime( reply.write_time, &info->ftLastWriteTime, 0 );
|
|
DOSFS_UnixTimeToFileTime( reply.access_time, &info->ftLastAccessTime, 0 );
|
|
info->dwFileAttributes = reply.attr;
|
|
info->dwVolumeSerialNumber = reply.serial;
|
|
info->nFileSizeHigh = reply.size_high;
|
|
info->nFileSizeLow = reply.size_low;
|
|
info->nNumberOfLinks = reply.links;
|
|
info->nFileIndexHigh = reply.index_high;
|
|
info->nFileIndexLow = reply.index_low;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* GetFileAttributes16 (KERNEL.420)
|
|
*/
|
|
DWORD WINAPI GetFileAttributes16( LPCSTR name )
|
|
{
|
|
return GetFileAttributes32A( name );
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* GetFileAttributes32A (KERNEL32.217)
|
|
*/
|
|
DWORD WINAPI GetFileAttributes32A( LPCSTR name )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
BY_HANDLE_FILE_INFORMATION info;
|
|
|
|
if (name == NULL || *name=='\0') return -1;
|
|
|
|
if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
|
|
if (!FILE_Stat( full_name.long_name, &info )) return -1;
|
|
return info.dwFileAttributes;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* GetFileAttributes32W (KERNEL32.218)
|
|
*/
|
|
DWORD WINAPI GetFileAttributes32W( LPCWSTR name )
|
|
{
|
|
LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
|
|
DWORD res = GetFileAttributes32A( nameA );
|
|
HeapFree( GetProcessHeap(), 0, nameA );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFileSize (KERNEL32.220)
|
|
*/
|
|
DWORD WINAPI GetFileSize( HFILE32 hFile, LPDWORD filesizehigh )
|
|
{
|
|
BY_HANDLE_FILE_INFORMATION info;
|
|
if (!GetFileInformationByHandle( hFile, &info )) return 0;
|
|
if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
|
|
return info.nFileSizeLow;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFileTime (KERNEL32.221)
|
|
*/
|
|
BOOL32 WINAPI GetFileTime( HFILE32 hFile, FILETIME *lpCreationTime,
|
|
FILETIME *lpLastAccessTime,
|
|
FILETIME *lpLastWriteTime )
|
|
{
|
|
BY_HANDLE_FILE_INFORMATION info;
|
|
if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
|
|
if (lpCreationTime) *lpCreationTime = info.ftCreationTime;
|
|
if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
|
|
if (lpLastWriteTime) *lpLastWriteTime = info.ftLastWriteTime;
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CompareFileTime (KERNEL32.28)
|
|
*/
|
|
INT32 WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
|
|
{
|
|
if (!x || !y) return -1;
|
|
|
|
if (x->dwHighDateTime > y->dwHighDateTime)
|
|
return 1;
|
|
if (x->dwHighDateTime < y->dwHighDateTime)
|
|
return -1;
|
|
if (x->dwLowDateTime > y->dwLowDateTime)
|
|
return 1;
|
|
if (x->dwLowDateTime < y->dwLowDateTime)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FILE_Dup2
|
|
*
|
|
* dup2() function for DOS handles.
|
|
*/
|
|
HFILE32 FILE_Dup2( HFILE32 hFile1, HFILE32 hFile2 )
|
|
{
|
|
FILE_OBJECT *file;
|
|
|
|
TRACE(file, "FILE_Dup2 for handle %d\n", hFile1 );
|
|
/* FIXME: should use DuplicateHandle */
|
|
if (!(file = FILE_GetFile( hFile1, 0, NULL ))) return HFILE_ERROR32;
|
|
if (!HANDLE_SetObjPtr( PROCESS_Current(), hFile2, &file->header, 0 ))
|
|
hFile2 = HFILE_ERROR32;
|
|
FILE_ReleaseFile( file );
|
|
return hFile2;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetTempFileName16 (KERNEL.97)
|
|
*/
|
|
UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
|
|
LPSTR buffer )
|
|
{
|
|
char temppath[144];
|
|
|
|
if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
|
|
drive |= DRIVE_GetCurrentDrive() + 'A';
|
|
|
|
if ((drive & TF_FORCEDRIVE) &&
|
|
!DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
|
|
{
|
|
drive &= ~TF_FORCEDRIVE;
|
|
WARN(file, "invalid drive %d specified\n", drive );
|
|
}
|
|
|
|
if (drive & TF_FORCEDRIVE)
|
|
sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
|
|
else
|
|
GetTempPath32A( 132, temppath );
|
|
return (UINT16)GetTempFileName32A( temppath, prefix, unique, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetTempFileName32A (KERNEL32.290)
|
|
*/
|
|
UINT32 WINAPI GetTempFileName32A( LPCSTR path, LPCSTR prefix, UINT32 unique,
|
|
LPSTR buffer)
|
|
{
|
|
static UINT32 unique_temp;
|
|
DOS_FULL_NAME full_name;
|
|
int i;
|
|
LPSTR p;
|
|
UINT32 num;
|
|
|
|
if ( !path || !prefix || !buffer ) return 0;
|
|
|
|
if (!unique_temp) unique_temp = time(NULL) & 0xffff;
|
|
num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
|
|
|
|
strcpy( buffer, path );
|
|
p = buffer + strlen(buffer);
|
|
|
|
/* add a \, if there isn't one and path is more than just the drive letter ... */
|
|
if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
|
|
&& ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
|
|
|
|
*p++ = '~';
|
|
for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
|
|
sprintf( p, "%04x.tmp", num );
|
|
|
|
/* Now try to create it */
|
|
|
|
if (!unique)
|
|
{
|
|
do
|
|
{
|
|
HFILE32 handle = CreateFile32A( buffer, GENERIC_WRITE, 0, NULL,
|
|
CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
|
|
if (handle != INVALID_HANDLE_VALUE32)
|
|
{ /* We created it */
|
|
TRACE(file, "created %s\n",
|
|
buffer);
|
|
CloseHandle( handle );
|
|
break;
|
|
}
|
|
if (DOS_ExtendedError != ER_FileExists)
|
|
break; /* No need to go on */
|
|
num++;
|
|
sprintf( p, "%04x.tmp", num );
|
|
} while (num != (unique & 0xffff));
|
|
}
|
|
|
|
/* Get the full path name */
|
|
|
|
if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
|
|
{
|
|
/* Check if we have write access in the directory */
|
|
if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
|
|
if (access( full_name.long_name, W_OK ) == -1)
|
|
WARN(file, "returns '%s', which doesn't seem to be writeable.\n",
|
|
buffer);
|
|
}
|
|
TRACE(file, "returning %s\n", buffer );
|
|
return unique ? unique : num;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetTempFileName32W (KERNEL32.291)
|
|
*/
|
|
UINT32 WINAPI GetTempFileName32W( LPCWSTR path, LPCWSTR prefix, UINT32 unique,
|
|
LPWSTR buffer )
|
|
{
|
|
LPSTR patha,prefixa;
|
|
char buffera[144];
|
|
UINT32 ret;
|
|
|
|
if (!path) return 0;
|
|
patha = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
|
|
prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
|
|
ret = GetTempFileName32A( patha, prefixa, unique, buffera );
|
|
lstrcpyAtoW( buffer, buffera );
|
|
HeapFree( GetProcessHeap(), 0, patha );
|
|
HeapFree( GetProcessHeap(), 0, prefixa );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FILE_DoOpenFile
|
|
*
|
|
* Implementation of OpenFile16() and OpenFile32().
|
|
*/
|
|
static HFILE32 FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT32 mode,
|
|
BOOL32 win32 )
|
|
{
|
|
HFILE32 hFileRet;
|
|
FILETIME filetime;
|
|
WORD filedatetime[2];
|
|
DOS_FULL_NAME full_name;
|
|
DWORD access, sharing;
|
|
char *p;
|
|
|
|
if (!ofs) return HFILE_ERROR32;
|
|
|
|
ofs->cBytes = sizeof(OFSTRUCT);
|
|
ofs->nErrCode = 0;
|
|
if (mode & OF_REOPEN) name = ofs->szPathName;
|
|
|
|
if (!name) {
|
|
ERR(file, "called with `name' set to NULL ! Please debug.\n");
|
|
return HFILE_ERROR32;
|
|
}
|
|
|
|
TRACE(file, "%s %04x\n", name, mode );
|
|
|
|
/* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
|
|
Are there any cases where getting the path here is wrong?
|
|
Uwe Bonnes 1997 Apr 2 */
|
|
if (!GetFullPathName32A( name, sizeof(ofs->szPathName),
|
|
ofs->szPathName, NULL )) goto error;
|
|
FILE_ConvertOFMode( mode, &access, &sharing );
|
|
|
|
/* OF_PARSE simply fills the structure */
|
|
|
|
if (mode & OF_PARSE)
|
|
{
|
|
ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
|
|
!= DRIVE_REMOVABLE);
|
|
TRACE(file, "(%s): OF_PARSE, res = '%s'\n",
|
|
name, ofs->szPathName );
|
|
return 0;
|
|
}
|
|
|
|
/* OF_CREATE is completely different from all other options, so
|
|
handle it first */
|
|
|
|
if (mode & OF_CREATE)
|
|
{
|
|
if ((hFileRet = CreateFile32A( name, access, sharing, NULL,
|
|
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL,
|
|
-1 ))== INVALID_HANDLE_VALUE32)
|
|
goto error;
|
|
goto success;
|
|
}
|
|
|
|
/* If OF_SEARCH is set, ignore the given path */
|
|
|
|
if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
|
|
{
|
|
/* First try the file name as is */
|
|
if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
|
|
/* Now remove the path */
|
|
if (name[0] && (name[1] == ':')) name += 2;
|
|
if ((p = strrchr( name, '\\' ))) name = p + 1;
|
|
if ((p = strrchr( name, '/' ))) name = p + 1;
|
|
if (!name[0]) goto not_found;
|
|
}
|
|
|
|
/* Now look for the file */
|
|
|
|
if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
|
|
|
|
found:
|
|
TRACE(file, "found %s = %s\n",
|
|
full_name.long_name, full_name.short_name );
|
|
lstrcpyn32A( ofs->szPathName, full_name.short_name,
|
|
sizeof(ofs->szPathName) );
|
|
|
|
if (mode & OF_SHARE_EXCLUSIVE)
|
|
/* Some InstallShield version uses OF_SHARE_EXCLUSIVE
|
|
on the file <tempdir>/_ins0432._mp to determine how
|
|
far installation has proceeded.
|
|
_ins0432._mp is an executable and while running the
|
|
application expects the open with OF_SHARE_ to fail*/
|
|
/* Probable FIXME:
|
|
As our loader closes the files after loading the executable,
|
|
we can't find the running executable with FILE_InUse.
|
|
Perhaps the loader should keep the file open.
|
|
Recheck against how Win handles that case */
|
|
{
|
|
char *last = strrchr(full_name.long_name,'/');
|
|
if (!last)
|
|
last = full_name.long_name - 1;
|
|
if (GetModuleHandle16(last+1))
|
|
{
|
|
TRACE(file,"Denying shared open for %s\n",full_name.long_name);
|
|
return HFILE_ERROR32;
|
|
}
|
|
}
|
|
|
|
if (mode & OF_DELETE)
|
|
{
|
|
if (unlink( full_name.long_name ) == -1) goto not_found;
|
|
TRACE(file, "(%s): OF_DELETE return = OK\n", name);
|
|
return 1;
|
|
}
|
|
|
|
hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
|
|
NULL, OPEN_EXISTING, 0, -1 );
|
|
if (hFileRet == HFILE_ERROR32) goto not_found;
|
|
|
|
GetFileTime( hFileRet, NULL, NULL, &filetime );
|
|
FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
|
|
if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
|
|
{
|
|
if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
|
|
{
|
|
CloseHandle( hFileRet );
|
|
WARN(file, "(%s): OF_VERIFY failed\n", name );
|
|
/* FIXME: what error here? */
|
|
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
goto error;
|
|
}
|
|
}
|
|
memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
|
|
|
|
success: /* We get here if the open was successful */
|
|
TRACE(file, "(%s): OK, return = %d\n", name, hFileRet );
|
|
if (mode & OF_EXIST) /* Return the handle, but close it first */
|
|
CloseHandle( hFileRet );
|
|
return hFileRet;
|
|
|
|
not_found: /* We get here if the file does not exist */
|
|
WARN(file, "'%s' not found\n", name );
|
|
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
/* fall through */
|
|
|
|
error: /* We get here if there was an error opening the file */
|
|
ofs->nErrCode = DOS_ExtendedError;
|
|
WARN(file, "(%s): return = HFILE_ERROR error= %d\n",
|
|
name,ofs->nErrCode );
|
|
return HFILE_ERROR32;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenFile16 (KERNEL.74)
|
|
*/
|
|
HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
|
|
{
|
|
TRACE(file,"OpenFile16(%s,%i)\n", name, mode);
|
|
return HFILE32_TO_HFILE16(FILE_DoOpenFile( name, ofs, mode, FALSE ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenFile32 (KERNEL32.396)
|
|
*/
|
|
HFILE32 WINAPI OpenFile32( LPCSTR name, OFSTRUCT *ofs, UINT32 mode )
|
|
{
|
|
return FILE_DoOpenFile( name, ofs, mode, TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lclose16 (KERNEL.81)
|
|
*/
|
|
HFILE16 WINAPI _lclose16( HFILE16 hFile )
|
|
{
|
|
TRACE(file, "handle %d\n", hFile );
|
|
return CloseHandle( HFILE16_TO_HFILE32( hFile ) ) ? 0 : HFILE_ERROR16;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lclose32 (KERNEL32.592)
|
|
*/
|
|
HFILE32 WINAPI _lclose32( HFILE32 hFile )
|
|
{
|
|
TRACE(file, "handle %d\n", hFile );
|
|
return CloseHandle( hFile ) ? 0 : HFILE_ERROR32;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ReadFile (KERNEL32.428)
|
|
*/
|
|
BOOL32 WINAPI ReadFile( HANDLE32 hFile, LPVOID buffer, DWORD bytesToRead,
|
|
LPDWORD bytesRead, LPOVERLAPPED overlapped )
|
|
{
|
|
struct get_read_fd_request req;
|
|
int unix_handle, result;
|
|
|
|
TRACE(file, "%d %p %ld\n", hFile, buffer, bytesToRead );
|
|
|
|
if (bytesRead) *bytesRead = 0; /* Do this before anything else */
|
|
if (!bytesToRead) return TRUE;
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_UNKNOWN, GENERIC_READ )) == -1)
|
|
return FALSE;
|
|
CLIENT_SendRequest( REQ_GET_READ_FD, -1, 1, &req, sizeof(req) );
|
|
CLIENT_WaitReply( NULL, &unix_handle, 0 );
|
|
if (unix_handle == -1) return FALSE;
|
|
while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
|
|
{
|
|
if ((errno == EAGAIN) || (errno == EINTR)) continue;
|
|
FILE_SetDosError();
|
|
break;
|
|
}
|
|
close( unix_handle );
|
|
if (result == -1) return FALSE;
|
|
if (bytesRead) *bytesRead = result;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WriteFile (KERNEL32.578)
|
|
*/
|
|
BOOL32 WINAPI WriteFile( HANDLE32 hFile, LPCVOID buffer, DWORD bytesToWrite,
|
|
LPDWORD bytesWritten, LPOVERLAPPED overlapped )
|
|
{
|
|
struct get_write_fd_request req;
|
|
int unix_handle, result;
|
|
|
|
TRACE(file, "%d %p %ld\n", hFile, buffer, bytesToWrite );
|
|
|
|
if (bytesWritten) *bytesWritten = 0; /* Do this before anything else */
|
|
if (!bytesToWrite) return TRUE;
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_UNKNOWN, GENERIC_READ )) == -1)
|
|
return FALSE;
|
|
CLIENT_SendRequest( REQ_GET_WRITE_FD, -1, 1, &req, sizeof(req) );
|
|
CLIENT_WaitReply( NULL, &unix_handle, 0 );
|
|
if (unix_handle == -1) return FALSE;
|
|
while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
|
|
{
|
|
if ((errno == EAGAIN) || (errno == EINTR)) continue;
|
|
FILE_SetDosError();
|
|
break;
|
|
}
|
|
close( unix_handle );
|
|
if (result == -1) return FALSE;
|
|
if (bytesWritten) *bytesWritten = result;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WIN16_hread
|
|
*/
|
|
LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
|
|
{
|
|
LONG maxlen;
|
|
|
|
TRACE(file, "%d %08lx %ld\n",
|
|
hFile, (DWORD)buffer, count );
|
|
|
|
/* Some programs pass a count larger than the allocated buffer */
|
|
maxlen = GetSelectorLimit( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
|
|
if (count > maxlen) count = maxlen;
|
|
return _lread32(HFILE16_TO_HFILE32(hFile), PTR_SEG_TO_LIN(buffer), count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WIN16_lread
|
|
*/
|
|
UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
|
|
{
|
|
return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lread32 (KERNEL32.596)
|
|
*/
|
|
UINT32 WINAPI _lread32( HFILE32 handle, LPVOID buffer, UINT32 count )
|
|
{
|
|
DWORD result;
|
|
if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
|
|
return result;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lread16 (KERNEL.82)
|
|
*/
|
|
UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
|
|
{
|
|
return (UINT16)_lread32(HFILE16_TO_HFILE32(hFile), buffer, (LONG)count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lcreat16 (KERNEL.83)
|
|
*/
|
|
HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
|
|
{
|
|
TRACE(file, "%s %02x\n", path, attr );
|
|
return (HFILE16) HFILE32_TO_HFILE16(_lcreat32( path, attr ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lcreat32 (KERNEL32.593)
|
|
*/
|
|
HFILE32 WINAPI _lcreat32( LPCSTR path, INT32 attr )
|
|
{
|
|
TRACE(file, "%s %02x\n", path, attr );
|
|
return CreateFile32A( path, GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
|
|
CREATE_ALWAYS, attr, -1 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lcreat_uniq (Not a Windows API)
|
|
*/
|
|
HFILE32 _lcreat_uniq( LPCSTR path, INT32 attr )
|
|
{
|
|
TRACE(file, "%s %02x\n", path, attr );
|
|
return CreateFile32A( path, GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
|
|
CREATE_NEW, attr, -1 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetFilePointer (KERNEL32.492)
|
|
*/
|
|
DWORD WINAPI SetFilePointer( HFILE32 hFile, LONG distance, LONG *highword,
|
|
DWORD method )
|
|
{
|
|
struct set_file_pointer_request req;
|
|
struct set_file_pointer_reply reply;
|
|
|
|
if (highword && *highword)
|
|
{
|
|
FIXME(file, "64-bit offsets not supported yet\n");
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0xffffffff;
|
|
}
|
|
TRACE(file, "handle %d offset %ld origin %ld\n",
|
|
hFile, distance, method );
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_FILE, 0 )) == -1)
|
|
return 0xffffffff;
|
|
req.low = distance;
|
|
req.high = highword ? *highword : 0;
|
|
/* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
|
|
req.whence = method;
|
|
CLIENT_SendRequest( REQ_SET_FILE_POINTER, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0xffffffff;
|
|
SetLastError( 0 );
|
|
if (highword) *highword = reply.high;
|
|
return reply.low;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _llseek16 (KERNEL.84)
|
|
*
|
|
* FIXME:
|
|
* Seeking before the start of the file should be allowed for _llseek16,
|
|
* but cause subsequent I/O operations to fail (cf. interrupt list)
|
|
*
|
|
*/
|
|
LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
|
|
{
|
|
return SetFilePointer( HFILE16_TO_HFILE32(hFile), lOffset, NULL, nOrigin );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _llseek32 (KERNEL32.594)
|
|
*/
|
|
LONG WINAPI _llseek32( HFILE32 hFile, LONG lOffset, INT32 nOrigin )
|
|
{
|
|
return SetFilePointer( hFile, lOffset, NULL, nOrigin );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lopen16 (KERNEL.85)
|
|
*/
|
|
HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
|
|
{
|
|
return HFILE32_TO_HFILE16(_lopen32( path, mode ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lopen32 (KERNEL32.595)
|
|
*/
|
|
HFILE32 WINAPI _lopen32( LPCSTR path, INT32 mode )
|
|
{
|
|
DWORD access, sharing;
|
|
|
|
TRACE(file, "('%s',%04x)\n", path, mode );
|
|
FILE_ConvertOFMode( mode, &access, &sharing );
|
|
return CreateFile32A( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _lwrite16 (KERNEL.86)
|
|
*/
|
|
UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
|
|
{
|
|
return (UINT16)_hwrite32( HFILE16_TO_HFILE32(hFile), buffer, (LONG)count );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* _lwrite32 (KERNEL32.761)
|
|
*/
|
|
UINT32 WINAPI _lwrite32( HFILE32 hFile, LPCSTR buffer, UINT32 count )
|
|
{
|
|
return (UINT32)_hwrite32( hFile, buffer, (LONG)count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _hread16 (KERNEL.349)
|
|
*/
|
|
LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
|
|
{
|
|
return _lread32( HFILE16_TO_HFILE32(hFile), buffer, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _hread32 (KERNEL32.590)
|
|
*/
|
|
LONG WINAPI _hread32( HFILE32 hFile, LPVOID buffer, LONG count)
|
|
{
|
|
return _lread32( hFile, buffer, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _hwrite16 (KERNEL.350)
|
|
*/
|
|
LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
|
|
{
|
|
return _hwrite32( HFILE16_TO_HFILE32(hFile), buffer, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* _hwrite32 (KERNEL32.591)
|
|
*
|
|
* experimentation yields that _lwrite:
|
|
* o truncates the file at the current position with
|
|
* a 0 len write
|
|
* o returns 0 on a 0 length write
|
|
* o works with console handles
|
|
*
|
|
*/
|
|
LONG WINAPI _hwrite32( HFILE32 handle, LPCSTR buffer, LONG count )
|
|
{
|
|
DWORD result;
|
|
|
|
TRACE(file, "%d %p %ld\n", handle, buffer, count );
|
|
|
|
if (!count)
|
|
{
|
|
/* Expand or truncate at current position */
|
|
if (!SetEndOfFile( handle )) return HFILE_ERROR32;
|
|
return 0;
|
|
}
|
|
if (!WriteFile( handle, buffer, count, &result, NULL ))
|
|
return HFILE_ERROR32;
|
|
return result;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetHandleCount16 (KERNEL.199)
|
|
*/
|
|
UINT16 WINAPI SetHandleCount16( UINT16 count )
|
|
{
|
|
HGLOBAL16 hPDB = GetCurrentPDB();
|
|
PDB *pdb = (PDB *)GlobalLock16( hPDB );
|
|
BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
|
|
|
|
TRACE(file, "(%d)\n", count );
|
|
|
|
if (count < 20) count = 20; /* No point in going below 20 */
|
|
else if (count > 254) count = 254;
|
|
|
|
if (count == 20)
|
|
{
|
|
if (pdb->nbFiles > 20)
|
|
{
|
|
memcpy( pdb->fileHandles, files, 20 );
|
|
GlobalFree16( pdb->hFileHandles );
|
|
pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
|
|
GlobalHandleToSel( hPDB ) );
|
|
pdb->hFileHandles = 0;
|
|
pdb->nbFiles = 20;
|
|
}
|
|
}
|
|
else /* More than 20, need a new file handles table */
|
|
{
|
|
BYTE *newfiles;
|
|
HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
|
|
if (!newhandle)
|
|
{
|
|
DOS_ERROR( ER_OutOfMemory, EC_OutOfResource, SA_Abort, EL_Memory );
|
|
return pdb->nbFiles;
|
|
}
|
|
newfiles = (BYTE *)GlobalLock16( newhandle );
|
|
|
|
if (count > pdb->nbFiles)
|
|
{
|
|
memcpy( newfiles, files, pdb->nbFiles );
|
|
memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
|
|
}
|
|
else memcpy( newfiles, files, count );
|
|
if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
|
|
pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
|
|
pdb->hFileHandles = newhandle;
|
|
pdb->nbFiles = count;
|
|
}
|
|
return pdb->nbFiles;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* SetHandleCount32 (KERNEL32.494)
|
|
*/
|
|
UINT32 WINAPI SetHandleCount32( UINT32 count )
|
|
{
|
|
return MIN( 256, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FlushFileBuffers (KERNEL32.133)
|
|
*/
|
|
BOOL32 WINAPI FlushFileBuffers( HFILE32 hFile )
|
|
{
|
|
struct flush_file_request req;
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_FILE, 0 )) == -1)
|
|
return FALSE;
|
|
CLIENT_SendRequest( REQ_FLUSH_FILE, -1, 1, &req, sizeof(req) );
|
|
return !CLIENT_WaitReply( NULL, NULL, 0 );
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* SetEndOfFile (KERNEL32.483)
|
|
*/
|
|
BOOL32 WINAPI SetEndOfFile( HFILE32 hFile )
|
|
{
|
|
struct truncate_file_request req;
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_FILE, 0 )) == -1)
|
|
return FALSE;
|
|
CLIENT_SendRequest( REQ_TRUNCATE_FILE, -1, 1, &req, sizeof(req) );
|
|
return !CLIENT_WaitReply( NULL, NULL, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteFile16 (KERNEL.146)
|
|
*/
|
|
BOOL16 WINAPI DeleteFile16( LPCSTR path )
|
|
{
|
|
return DeleteFile32A( path );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteFile32A (KERNEL32.71)
|
|
*/
|
|
BOOL32 WINAPI DeleteFile32A( LPCSTR path )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
|
|
TRACE(file, "'%s'\n", path );
|
|
|
|
if (DOSFS_GetDevice( path ))
|
|
{
|
|
WARN(file, "cannot remove DOS device '%s'!\n", path);
|
|
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
|
|
if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
|
|
if (unlink( full_name.long_name ) == -1)
|
|
{
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteFile32W (KERNEL32.72)
|
|
*/
|
|
BOOL32 WINAPI DeleteFile32W( LPCWSTR path )
|
|
{
|
|
LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
|
|
BOOL32 ret = DeleteFile32A( xpath );
|
|
HeapFree( GetProcessHeap(), 0, xpath );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FILE_dommap
|
|
*/
|
|
LPVOID FILE_dommap( int unix_handle, LPVOID start,
|
|
DWORD size_high, DWORD size_low,
|
|
DWORD offset_high, DWORD offset_low,
|
|
int prot, int flags )
|
|
{
|
|
int fd = -1;
|
|
int pos;
|
|
LPVOID ret;
|
|
|
|
if (size_high || offset_high)
|
|
FIXME(file, "offsets larger than 4Gb not supported\n");
|
|
|
|
if (unix_handle == -1)
|
|
{
|
|
#ifdef MAP_ANON
|
|
flags |= MAP_ANON;
|
|
#else
|
|
static int fdzero = -1;
|
|
|
|
if (fdzero == -1)
|
|
{
|
|
if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
|
|
{
|
|
perror( "/dev/zero: open" );
|
|
exit(1);
|
|
}
|
|
}
|
|
fd = fdzero;
|
|
#endif /* MAP_ANON */
|
|
/* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
|
|
#ifdef MAP_SHARED
|
|
flags &= ~MAP_SHARED;
|
|
#endif
|
|
#ifdef MAP_PRIVATE
|
|
flags |= MAP_PRIVATE;
|
|
#endif
|
|
}
|
|
else fd = unix_handle;
|
|
|
|
if ((ret = mmap( start, size_low, prot,
|
|
flags, fd, offset_low )) != (LPVOID)-1)
|
|
return ret;
|
|
|
|
/* mmap() failed; if this is because the file offset is not */
|
|
/* page-aligned (EINVAL), or because the underlying filesystem */
|
|
/* does not support mmap() (ENOEXEC), we do it by hand. */
|
|
|
|
if (unix_handle == -1) return ret;
|
|
if ((errno != ENOEXEC) && (errno != EINVAL)) return ret;
|
|
if (prot & PROT_WRITE)
|
|
{
|
|
/* We cannot fake shared write mappings */
|
|
#ifdef MAP_SHARED
|
|
if (flags & MAP_SHARED) return ret;
|
|
#endif
|
|
#ifdef MAP_PRIVATE
|
|
if (!(flags & MAP_PRIVATE)) return ret;
|
|
#endif
|
|
}
|
|
/* printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
|
|
/* Reserve the memory with an anonymous mmap */
|
|
ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
|
|
PROT_READ | PROT_WRITE, flags );
|
|
if (ret == (LPVOID)-1) return ret;
|
|
/* Now read in the file */
|
|
if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
|
|
{
|
|
FILE_munmap( ret, size_high, size_low );
|
|
return (LPVOID)-1;
|
|
}
|
|
read( fd, ret, size_low );
|
|
lseek( fd, pos, SEEK_SET ); /* Restore the file pointer */
|
|
mprotect( ret, size_low, prot ); /* Set the right protection */
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FILE_munmap
|
|
*/
|
|
int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
|
|
{
|
|
if (size_high)
|
|
FIXME(file, "offsets larger than 4Gb not supported\n");
|
|
return munmap( start, size_low );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFileType (KERNEL32.222)
|
|
*/
|
|
DWORD WINAPI GetFileType( HFILE32 hFile )
|
|
{
|
|
struct get_file_info_request req;
|
|
struct get_file_info_reply reply;
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_FILE, 0 )) == -1)
|
|
return FILE_TYPE_UNKNOWN;
|
|
CLIENT_SendRequest( REQ_GET_FILE_INFO, -1, 1, &req, sizeof(req) );
|
|
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
|
|
return FILE_TYPE_UNKNOWN;
|
|
return reply.type;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* MoveFileEx32A (KERNEL32.???)
|
|
*/
|
|
BOOL32 WINAPI MoveFileEx32A( LPCSTR fn1, LPCSTR fn2, DWORD flag )
|
|
{
|
|
DOS_FULL_NAME full_name1, full_name2;
|
|
int mode=0; /* mode == 1: use copy */
|
|
|
|
TRACE(file, "(%s,%s,%04lx)\n", fn1, fn2, flag);
|
|
|
|
if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
|
|
if (fn2) { /* !fn2 means delete fn1 */
|
|
if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
|
|
/* Source name and target path are valid */
|
|
if ( full_name1.drive != full_name2.drive)
|
|
{
|
|
/* use copy, if allowed */
|
|
if (!(flag & MOVEFILE_COPY_ALLOWED)) {
|
|
/* FIXME: Use right error code */
|
|
DOS_ERROR( ER_FileExists, EC_Exists, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
else mode =1;
|
|
}
|
|
if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
|
|
/* target exists, check if we may overwrite */
|
|
if (!(flag & MOVEFILE_REPLACE_EXISTING)) {
|
|
/* FIXME: Use right error code */
|
|
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
}
|
|
else /* fn2 == NULL means delete source */
|
|
if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
|
|
if (flag & MOVEFILE_COPY_ALLOWED) {
|
|
WARN(file, "Illegal flag\n");
|
|
DOS_ERROR( ER_GeneralFailure, EC_SystemFailure, SA_Abort,
|
|
EL_Unknown );
|
|
return FALSE;
|
|
}
|
|
/* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
|
|
Perhaps we should queue these command and execute it
|
|
when exiting... What about using on_exit(2)
|
|
*/
|
|
FIXME(file, "Please delete file '%s' when Wine has finished\n",
|
|
full_name1.long_name);
|
|
return TRUE;
|
|
}
|
|
else if (unlink( full_name1.long_name ) == -1)
|
|
{
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
else return TRUE; /* successfully deleted */
|
|
|
|
if (flag & MOVEFILE_DELAY_UNTIL_REBOOT) {
|
|
/* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
|
|
Perhaps we should queue these command and execute it
|
|
when exiting... What about using on_exit(2)
|
|
*/
|
|
FIXME(file,"Please move existing file '%s' to file '%s'"
|
|
"when Wine has finished\n",
|
|
full_name1.long_name, full_name2.long_name);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!mode) /* move the file */
|
|
if (rename( full_name1.long_name, full_name2.long_name ) == -1)
|
|
{
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
else return TRUE;
|
|
else /* copy File */
|
|
return CopyFile32A(fn1, fn2, (!(flag & MOVEFILE_REPLACE_EXISTING)));
|
|
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MoveFileEx32W (KERNEL32.???)
|
|
*/
|
|
BOOL32 WINAPI MoveFileEx32W( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
|
|
{
|
|
LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
|
|
LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
|
|
BOOL32 res = MoveFileEx32A( afn1, afn2, flag );
|
|
HeapFree( GetProcessHeap(), 0, afn1 );
|
|
HeapFree( GetProcessHeap(), 0, afn2 );
|
|
return res;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* MoveFile32A (KERNEL32.387)
|
|
*
|
|
* Move file or directory
|
|
*/
|
|
BOOL32 WINAPI MoveFile32A( LPCSTR fn1, LPCSTR fn2 )
|
|
{
|
|
DOS_FULL_NAME full_name1, full_name2;
|
|
struct stat fstat;
|
|
|
|
TRACE(file, "(%s,%s)\n", fn1, fn2 );
|
|
|
|
if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
|
|
if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
|
|
/* The new name must not already exist */
|
|
return FALSE;
|
|
if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
|
|
|
|
if (full_name1.drive == full_name2.drive) /* move */
|
|
if (rename( full_name1.long_name, full_name2.long_name ) == -1)
|
|
{
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
else return TRUE;
|
|
else /*copy */ {
|
|
if (stat( full_name1.long_name, &fstat ))
|
|
{
|
|
WARN(file, "Invalid source file %s\n",
|
|
full_name1.long_name);
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
if (S_ISDIR(fstat.st_mode)) {
|
|
/* No Move for directories across file systems */
|
|
/* FIXME: Use right error code */
|
|
DOS_ERROR( ER_GeneralFailure, EC_SystemFailure, SA_Abort,
|
|
EL_Unknown );
|
|
return FALSE;
|
|
}
|
|
else
|
|
return CopyFile32A(fn1, fn2, TRUE); /*fail, if exist */
|
|
}
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* MoveFile32W (KERNEL32.390)
|
|
*/
|
|
BOOL32 WINAPI MoveFile32W( LPCWSTR fn1, LPCWSTR fn2 )
|
|
{
|
|
LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
|
|
LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
|
|
BOOL32 res = MoveFile32A( afn1, afn2 );
|
|
HeapFree( GetProcessHeap(), 0, afn1 );
|
|
HeapFree( GetProcessHeap(), 0, afn2 );
|
|
return res;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* CopyFile32A (KERNEL32.36)
|
|
*/
|
|
BOOL32 WINAPI CopyFile32A( LPCSTR source, LPCSTR dest, BOOL32 fail_if_exists )
|
|
{
|
|
HFILE32 h1, h2;
|
|
BY_HANDLE_FILE_INFORMATION info;
|
|
UINT32 count;
|
|
BOOL32 ret = FALSE;
|
|
int mode;
|
|
char buffer[2048];
|
|
|
|
if ((h1 = _lopen32( source, OF_READ )) == HFILE_ERROR32) return FALSE;
|
|
if (!GetFileInformationByHandle( h1, &info ))
|
|
{
|
|
CloseHandle( h1 );
|
|
return FALSE;
|
|
}
|
|
mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
|
|
if ((h2 = CreateFile32A( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
|
|
fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
|
|
info.dwFileAttributes, h1 )) == HFILE_ERROR32)
|
|
{
|
|
CloseHandle( h1 );
|
|
return FALSE;
|
|
}
|
|
while ((count = _lread32( h1, buffer, sizeof(buffer) )) > 0)
|
|
{
|
|
char *p = buffer;
|
|
while (count > 0)
|
|
{
|
|
INT32 res = _lwrite32( h2, p, count );
|
|
if (res <= 0) goto done;
|
|
p += res;
|
|
count -= res;
|
|
}
|
|
}
|
|
ret = TRUE;
|
|
done:
|
|
CloseHandle( h1 );
|
|
CloseHandle( h2 );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* CopyFile32W (KERNEL32.37)
|
|
*/
|
|
BOOL32 WINAPI CopyFile32W( LPCWSTR source, LPCWSTR dest, BOOL32 fail_if_exists)
|
|
{
|
|
LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
|
|
LPSTR destA = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
|
|
BOOL32 ret = CopyFile32A( sourceA, destA, fail_if_exists );
|
|
HeapFree( GetProcessHeap(), 0, sourceA );
|
|
HeapFree( GetProcessHeap(), 0, destA );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* CopyFileEx32A (KERNEL32.858)
|
|
*
|
|
* This implementation ignores most of the extra parameters passed-in into
|
|
* the "ex" version of the method and calls the CopyFile method.
|
|
* It will have to be fixed eventually.
|
|
*/
|
|
BOOL32 WINAPI CopyFileEx32A(LPCSTR sourceFilename,
|
|
LPCSTR destFilename,
|
|
LPPROGRESS_ROUTINE progressRoutine,
|
|
LPVOID appData,
|
|
LPBOOL32 cancelFlagPointer,
|
|
DWORD copyFlags)
|
|
{
|
|
BOOL32 failIfExists = FALSE;
|
|
|
|
/*
|
|
* Interpret the only flag that CopyFile can interpret.
|
|
*/
|
|
if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
|
|
{
|
|
failIfExists = TRUE;
|
|
}
|
|
|
|
return CopyFile32A(sourceFilename, destFilename, failIfExists);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* CopyFileEx32W (KERNEL32.859)
|
|
*/
|
|
BOOL32 WINAPI CopyFileEx32W(LPCWSTR sourceFilename,
|
|
LPCWSTR destFilename,
|
|
LPPROGRESS_ROUTINE progressRoutine,
|
|
LPVOID appData,
|
|
LPBOOL32 cancelFlagPointer,
|
|
DWORD copyFlags)
|
|
{
|
|
LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
|
|
LPSTR destA = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
|
|
|
|
BOOL32 ret = CopyFileEx32A(sourceA,
|
|
destA,
|
|
progressRoutine,
|
|
appData,
|
|
cancelFlagPointer,
|
|
copyFlags);
|
|
|
|
HeapFree( GetProcessHeap(), 0, sourceA );
|
|
HeapFree( GetProcessHeap(), 0, destA );
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetFileTime (KERNEL32.650)
|
|
*/
|
|
BOOL32 WINAPI SetFileTime( HFILE32 hFile,
|
|
const FILETIME *lpCreationTime,
|
|
const FILETIME *lpLastAccessTime,
|
|
const FILETIME *lpLastWriteTime )
|
|
{
|
|
struct set_file_time_request req;
|
|
|
|
if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), hFile,
|
|
K32OBJ_FILE, GENERIC_WRITE )) == -1)
|
|
return FALSE;
|
|
if (lpLastAccessTime)
|
|
req.access_time = DOSFS_FileTimeToUnixTime(lpLastAccessTime, NULL);
|
|
else
|
|
req.access_time = 0; /* FIXME */
|
|
if (lpLastWriteTime)
|
|
req.write_time = DOSFS_FileTimeToUnixTime(lpLastWriteTime, NULL);
|
|
else
|
|
req.write_time = 0; /* FIXME */
|
|
|
|
CLIENT_SendRequest( REQ_SET_FILE_TIME, -1, 1, &req, sizeof(req) );
|
|
return !CLIENT_WaitReply( NULL, NULL, 0 );
|
|
}
|
|
|
|
/* Locks need to be mirrored because unix file locking is based
|
|
* on the pid. Inside of wine there can be multiple WINE processes
|
|
* that share the same unix pid.
|
|
* Read's and writes should check these locks also - not sure
|
|
* how critical that is at this point (FIXME).
|
|
*/
|
|
|
|
static BOOL32 DOS_AddLock(FILE_OBJECT *file, struct flock *f)
|
|
{
|
|
DOS_FILE_LOCK *curr;
|
|
DWORD processId;
|
|
|
|
processId = GetCurrentProcessId();
|
|
|
|
/* check if lock overlaps a current lock for the same file */
|
|
for (curr = locks; curr; curr = curr->next) {
|
|
if (strcmp(curr->unix_name, file->unix_name) == 0) {
|
|
if ((f->l_start == curr->base) && (f->l_len == curr->len))
|
|
return TRUE;/* region is identic */
|
|
if ((f->l_start < (curr->base + curr->len)) &&
|
|
((f->l_start + f->l_len) > curr->base)) {
|
|
/* region overlaps */
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
curr = HeapAlloc( SystemHeap, 0, sizeof(DOS_FILE_LOCK) );
|
|
curr->processId = GetCurrentProcessId();
|
|
curr->base = f->l_start;
|
|
curr->len = f->l_len;
|
|
curr->unix_name = HEAP_strdupA( SystemHeap, 0, file->unix_name);
|
|
curr->next = locks;
|
|
curr->dos_file = file;
|
|
locks = curr;
|
|
return TRUE;
|
|
}
|
|
|
|
static void DOS_RemoveFileLocks(FILE_OBJECT *file)
|
|
{
|
|
DWORD processId;
|
|
DOS_FILE_LOCK **curr;
|
|
DOS_FILE_LOCK *rem;
|
|
|
|
processId = GetCurrentProcessId();
|
|
curr = &locks;
|
|
while (*curr) {
|
|
if ((*curr)->dos_file == file) {
|
|
rem = *curr;
|
|
*curr = (*curr)->next;
|
|
HeapFree( SystemHeap, 0, rem->unix_name );
|
|
HeapFree( SystemHeap, 0, rem );
|
|
}
|
|
else
|
|
curr = &(*curr)->next;
|
|
}
|
|
}
|
|
|
|
static BOOL32 DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
|
|
{
|
|
DWORD processId;
|
|
DOS_FILE_LOCK **curr;
|
|
DOS_FILE_LOCK *rem;
|
|
|
|
processId = GetCurrentProcessId();
|
|
for (curr = &locks; *curr; curr = &(*curr)->next) {
|
|
if ((*curr)->processId == processId &&
|
|
(*curr)->dos_file == file &&
|
|
(*curr)->base == f->l_start &&
|
|
(*curr)->len == f->l_len) {
|
|
/* this is the same lock */
|
|
rem = *curr;
|
|
*curr = (*curr)->next;
|
|
HeapFree( SystemHeap, 0, rem->unix_name );
|
|
HeapFree( SystemHeap, 0, rem );
|
|
return TRUE;
|
|
}
|
|
}
|
|
/* no matching lock found */
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* LockFile (KERNEL32.511)
|
|
*/
|
|
BOOL32 WINAPI LockFile(
|
|
HFILE32 hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
|
|
DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
|
|
{
|
|
struct flock f;
|
|
FILE_OBJECT *file;
|
|
|
|
TRACE(file, "handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
|
|
hFile, dwFileOffsetLow, dwFileOffsetHigh,
|
|
nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
|
|
|
|
if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
|
|
FIXME(file, "Unimplemented bytes > 32bits\n");
|
|
return FALSE;
|
|
}
|
|
|
|
f.l_start = dwFileOffsetLow;
|
|
f.l_len = nNumberOfBytesToLockLow;
|
|
f.l_whence = SEEK_SET;
|
|
f.l_pid = 0;
|
|
f.l_type = F_WRLCK;
|
|
|
|
if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
|
|
|
|
/* shadow locks internally */
|
|
if (!DOS_AddLock(file, &f)) {
|
|
DOS_ERROR( ER_LockViolation, EC_AccessDenied, SA_Ignore, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
|
|
/* FIXME: Unix locking commented out for now, doesn't work with Excel */
|
|
#ifdef USE_UNIX_LOCKS
|
|
if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
|
|
if (errno == EACCES || errno == EAGAIN) {
|
|
DOS_ERROR( ER_LockViolation, EC_AccessDenied, SA_Ignore, EL_Disk );
|
|
}
|
|
else {
|
|
FILE_SetDosError();
|
|
}
|
|
/* remove our internal copy of the lock */
|
|
DOS_RemoveLock(file, &f);
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* UnlockFile (KERNEL32.703)
|
|
*/
|
|
BOOL32 WINAPI UnlockFile(
|
|
HFILE32 hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
|
|
DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
|
|
{
|
|
FILE_OBJECT *file;
|
|
struct flock f;
|
|
|
|
TRACE(file, "handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
|
|
hFile, dwFileOffsetLow, dwFileOffsetHigh,
|
|
nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
|
|
|
|
if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
|
|
WARN(file, "Unimplemented bytes > 32bits\n");
|
|
return FALSE;
|
|
}
|
|
|
|
f.l_start = dwFileOffsetLow;
|
|
f.l_len = nNumberOfBytesToUnlockLow;
|
|
f.l_whence = SEEK_SET;
|
|
f.l_pid = 0;
|
|
f.l_type = F_UNLCK;
|
|
|
|
if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
|
|
|
|
DOS_RemoveLock(file, &f); /* ok if fails - may be another wine */
|
|
|
|
/* FIXME: Unix locking commented out for now, doesn't work with Excel */
|
|
#ifdef USE_UNIX_LOCKS
|
|
if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
|
|
FILE_SetDosError();
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* GetFileAttributesEx32A [KERNEL32.874]
|
|
*/
|
|
BOOL32 WINAPI GetFileAttributesEx32A(
|
|
LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
|
|
LPVOID lpFileInformation)
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
BY_HANDLE_FILE_INFORMATION info;
|
|
|
|
if (lpFileName == NULL) return FALSE;
|
|
if (lpFileInformation == NULL) return FALSE;
|
|
|
|
if (fInfoLevelId == GetFileExInfoStandard) {
|
|
LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
|
|
(LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
|
|
if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
|
|
if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
|
|
|
|
lpFad->dwFileAttributes = info.dwFileAttributes;
|
|
lpFad->ftCreationTime = info.ftCreationTime;
|
|
lpFad->ftLastAccessTime = info.ftLastAccessTime;
|
|
lpFad->ftLastWriteTime = info.ftLastWriteTime;
|
|
lpFad->nFileSizeHigh = info.nFileSizeHigh;
|
|
lpFad->nFileSizeLow = info.nFileSizeLow;
|
|
}
|
|
else {
|
|
FIXME (file, "invalid info level %d!\n", fInfoLevelId);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* GetFileAttributesEx32W [KERNEL32.875]
|
|
*/
|
|
BOOL32 WINAPI GetFileAttributesEx32W(
|
|
LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
|
|
LPVOID lpFileInformation)
|
|
{
|
|
LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
|
|
BOOL32 res =
|
|
GetFileAttributesEx32A( nameA, fInfoLevelId, lpFileInformation);
|
|
HeapFree( GetProcessHeap(), 0, nameA );
|
|
return res;
|
|
}
|