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/*
* File handling functions
*
* Copyright 1993 John Burton
* Copyright 1996, 2004 Alexandre Julliard
* Copyright 2008 Jeff Zaroyko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "winerror.h"
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#include "wincon.h"
#include "ddk/ntddk.h"
#include "kernel_private.h"
#include "fileapi.h"
#include "shlwapi.h"
#include "wine/exception.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
static const WCHAR krnl386W[] = {'k','r','n','l','3','8','6','.','e','x','e','1','6',0};
/***********************************************************************
* create_file_OF
*
* Wrapper for CreateFile that takes OF_* mode flags.
*/
static HANDLE create_file_OF( LPCSTR path, INT mode )
{
DWORD access, sharing, creation;
if (mode & OF_CREATE)
{
creation = CREATE_ALWAYS;
access = GENERIC_READ | GENERIC_WRITE;
}
else
{
creation = OPEN_EXISTING;
switch(mode & 0x03)
{
case OF_READ: access = GENERIC_READ; break;
case OF_WRITE: access = GENERIC_WRITE; break;
case OF_READWRITE: access = GENERIC_READ | GENERIC_WRITE; break;
default: access = 0; break;
}
}
switch(mode & 0x70)
{
case OF_SHARE_EXCLUSIVE: sharing = 0; break;
case OF_SHARE_DENY_WRITE: sharing = FILE_SHARE_READ; break;
case OF_SHARE_DENY_READ: sharing = FILE_SHARE_WRITE; break;
case OF_SHARE_DENY_NONE:
case OF_SHARE_COMPAT:
default: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
}
return CreateFileA( path, access, sharing, NULL, creation, FILE_ATTRIBUTE_NORMAL, 0 );
}
/***********************************************************************
* FILE_SetDosError
*
* Set the DOS error code from errno.
*/
void FILE_SetDosError(void)
{
int save_errno = errno; /* errno gets overwritten by printf */
TRACE("errno = %d %s\n", errno, strerror(errno));
switch (save_errno)
{
case EAGAIN:
SetLastError( ERROR_SHARING_VIOLATION );
break;
case EBADF:
SetLastError( ERROR_INVALID_HANDLE );
break;
case ENOSPC:
SetLastError( ERROR_HANDLE_DISK_FULL );
break;
case EACCES:
case EPERM:
case EROFS:
SetLastError( ERROR_ACCESS_DENIED );
break;
case EBUSY:
SetLastError( ERROR_LOCK_VIOLATION );
break;
case ENOENT:
SetLastError( ERROR_FILE_NOT_FOUND );
break;
case EISDIR:
SetLastError( ERROR_CANNOT_MAKE );
break;
case ENFILE:
case EMFILE:
SetLastError( ERROR_TOO_MANY_OPEN_FILES );
break;
case EEXIST:
SetLastError( ERROR_FILE_EXISTS );
break;
case EINVAL:
case ESPIPE:
SetLastError( ERROR_SEEK );
break;
case ENOTEMPTY:
SetLastError( ERROR_DIR_NOT_EMPTY );
break;
case ENOEXEC:
SetLastError( ERROR_BAD_FORMAT );
break;
case ENOTDIR:
SetLastError( ERROR_PATH_NOT_FOUND );
break;
case EXDEV:
SetLastError( ERROR_NOT_SAME_DEVICE );
break;
default:
WARN("unknown file error: %s\n", strerror(save_errno) );
SetLastError( ERROR_GEN_FAILURE );
break;
}
errno = save_errno;
}
/***********************************************************************
* FILE_name_AtoW
*
* Convert a file name to Unicode, taking into account the OEM/Ansi API mode.
*
* If alloc is FALSE uses the TEB static buffer, so it can only be used when
* there is no possibility for the function to do that twice, taking into
* account any called function.
*/
WCHAR *FILE_name_AtoW( LPCSTR name, BOOL alloc )
{
ANSI_STRING str;
UNICODE_STRING strW, *pstrW;
NTSTATUS status;
RtlInitAnsiString( &str, name );
pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
if (!AreFileApisANSI())
status = RtlOemStringToUnicodeString( pstrW, &str, alloc );
else
status = RtlAnsiStringToUnicodeString( pstrW, &str, alloc );
if (status == STATUS_SUCCESS) return pstrW->Buffer;
if (status == STATUS_BUFFER_OVERFLOW)
SetLastError( ERROR_FILENAME_EXCED_RANGE );
else
SetLastError( RtlNtStatusToDosError(status) );
return NULL;
}
/***********************************************************************
* FILE_name_WtoA
*
* Convert a file name back to OEM/Ansi. Returns number of bytes copied.
*/
DWORD FILE_name_WtoA( LPCWSTR src, INT srclen, LPSTR dest, INT destlen )
{
DWORD ret;
if (srclen < 0) srclen = strlenW( src ) + 1;
if (!destlen)
{
if (!AreFileApisANSI())
{
UNICODE_STRING strW;
strW.Buffer = (WCHAR *)src;
strW.Length = srclen * sizeof(WCHAR);
ret = RtlUnicodeStringToOemSize( &strW ) - 1;
}
else
RtlUnicodeToMultiByteSize( &ret, src, srclen * sizeof(WCHAR) );
}
else
{
if (!AreFileApisANSI())
RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
else
RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
}
return ret;
}
/***********************************************************************
* _hread (KERNEL32.@)
*/
LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
{
return _lread( hFile, buffer, count );
}
/***********************************************************************
* _hwrite (KERNEL32.@)
*
* 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 _hwrite( HFILE handle, LPCSTR buffer, LONG count )
{
DWORD result;
TRACE("%d %p %d\n", handle, buffer, count );
if (!count)
{
/* Expand or truncate at current position */
if (!SetEndOfFile( LongToHandle(handle) )) return HFILE_ERROR;
return 0;
}
if (!WriteFile( LongToHandle(handle), buffer, count, &result, NULL ))
return HFILE_ERROR;
return result;
}
/***********************************************************************
* _lclose (KERNEL32.@)
*/
HFILE WINAPI _lclose( HFILE hFile )
{
TRACE("handle %d\n", hFile );
return CloseHandle( LongToHandle(hFile) ) ? 0 : HFILE_ERROR;
}
/***********************************************************************
* _lcreat (KERNEL32.@)
*/
HFILE WINAPI _lcreat( LPCSTR path, INT attr )
{
HANDLE hfile;
/* Mask off all flags not explicitly allowed by the doc */
attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
TRACE("%s %02x\n", path, attr );
hfile = CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
CREATE_ALWAYS, attr, 0 );
return HandleToLong(hfile);
}
/***********************************************************************
* _lopen (KERNEL32.@)
*/
HFILE WINAPI _lopen( LPCSTR path, INT mode )
{
HANDLE hfile;
TRACE("(%s,%04x)\n", debugstr_a(path), mode );
hfile = create_file_OF( path, mode & ~OF_CREATE );
return HandleToLong(hfile);
}
/***********************************************************************
* _lread (KERNEL32.@)
*/
UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
{
DWORD result;
if (!ReadFile( LongToHandle(handle), buffer, count, &result, NULL ))
return HFILE_ERROR;
return result;
}
/***********************************************************************
* _llseek (KERNEL32.@)
*/
LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
{
return SetFilePointer( LongToHandle(hFile), lOffset, NULL, nOrigin );
}
/***********************************************************************
* _lwrite (KERNEL32.@)
*/
UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
{
return (UINT)_hwrite( hFile, buffer, (LONG)count );
}
/**************************************************************************
* SetFileCompletionNotificationModes (KERNEL32.@)
*/
BOOL WINAPI SetFileCompletionNotificationModes( HANDLE file, UCHAR flags )
{
FILE_IO_COMPLETION_NOTIFICATION_INFORMATION info;
IO_STATUS_BLOCK io;
NTSTATUS status;
info.Flags = flags;
status = NtSetInformationFile( file, &io, &info, sizeof(info), FileIoCompletionNotificationInformation );
if (status == STATUS_SUCCESS) return TRUE;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/*************************************************************************
* SetHandleCount (KERNEL32.@)
*/
UINT WINAPI SetHandleCount( UINT count )
{
return count;
}
/*************************************************************************
* ReadFile (KERNEL32.@)
*/
BOOL WINAPI KERNEL32_ReadFile( HANDLE file, LPVOID buffer, DWORD count,
LPDWORD result, LPOVERLAPPED overlapped )
{
if (result) *result = 0;
if (is_console_handle( file ))
{
DWORD conread, mode;
if (!ReadConsoleA( file, buffer, count, &conread, NULL) || !GetConsoleMode( file, &mode ))
return FALSE;
/* ctrl-Z (26) means end of file on window (if at beginning of buffer)
* but Unix uses ctrl-D (4), and ctrl-Z is a bad idea on Unix :-/
* So map both ctrl-D ctrl-Z to EOF.
*/
if ((mode & ENABLE_PROCESSED_INPUT) && conread > 0 &&
(((char *)buffer)[0] == 26 || ((char *)buffer)[0] == 4))
{
conread = 0;
}
if (result) *result = conread;
return TRUE;
}
return ReadFile( file, buffer, count, result, overlapped );
}
/*************************************************************************
* WriteFile (KERNEL32.@)
*/
BOOL WINAPI KERNEL32_WriteFile( HANDLE file, LPCVOID buffer, DWORD count,
LPDWORD result, LPOVERLAPPED overlapped )
{
if (is_console_handle( file )) return WriteConsoleA( file, buffer, count, result, NULL );
return WriteFile( file, buffer, count, result, overlapped );
}
/*************************************************************************
* FlushFileBuffers (KERNEL32.@)
*/
BOOL WINAPI KERNEL32_FlushFileBuffers( HANDLE file )
{
IO_STATUS_BLOCK iosb;
/* this will fail (as expected) for an output handle */
if (is_console_handle( file )) return FlushConsoleInputBuffer( file );
return set_ntstatus( NtFlushBuffersFile( file, &iosb ));
}
/**************************************************************************
* Operations on file names *
**************************************************************************/
/**************************************************************************
* ReplaceFileW (KERNEL32.@)
* ReplaceFile (KERNEL32.@)
*/
BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName, LPCWSTR lpReplacementFileName,
LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
LPVOID lpExclude, LPVOID lpReserved)
{
UNICODE_STRING nt_replaced_name, nt_replacement_name;
HANDLE hReplacement = NULL;
NTSTATUS status;
IO_STATUS_BLOCK io;
OBJECT_ATTRIBUTES attr;
FILE_BASIC_INFORMATION info;
TRACE("%s %s %s 0x%08x %p %p\n", debugstr_w(lpReplacedFileName),
debugstr_w(lpReplacementFileName), debugstr_w(lpBackupFileName),
dwReplaceFlags, lpExclude, lpReserved);
if (dwReplaceFlags)
FIXME("Ignoring flags %x\n", dwReplaceFlags);
/* First two arguments are mandatory */
if (!lpReplacedFileName || !lpReplacementFileName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = NULL;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
/* Open the "replaced" file for reading */
if (!(RtlDosPathNameToNtPathName_U(lpReplacedFileName, &nt_replaced_name, NULL, NULL)))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
attr.ObjectName = &nt_replaced_name;
/* Replacement should fail if replaced is READ_ONLY */
status = NtQueryAttributesFile(&attr, &info);
RtlFreeUnicodeString(&nt_replaced_name);
if (status != STATUS_SUCCESS)
return set_ntstatus( status );
if (info.FileAttributes & FILE_ATTRIBUTE_READONLY)
{
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
/*
* Open the replacement file for reading, writing, and deleting
* (writing and deleting are needed when finished)
*/
if (!(RtlDosPathNameToNtPathName_U(lpReplacementFileName, &nt_replacement_name, NULL, NULL)))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
attr.ObjectName = &nt_replacement_name;
status = NtOpenFile(&hReplacement,
GENERIC_READ|GENERIC_WRITE|DELETE|WRITE_DAC|SYNCHRONIZE,
&attr, &io, 0,
FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE);
RtlFreeUnicodeString(&nt_replacement_name);
if (status != STATUS_SUCCESS)
return set_ntstatus( status );
NtClose( hReplacement );
/* If the user wants a backup then that needs to be performed first */
if (lpBackupFileName)
{
if (!MoveFileExW( lpReplacedFileName, lpBackupFileName, MOVEFILE_REPLACE_EXISTING ))
return FALSE;
}
else
{
/* ReplaceFile() can replace an open target. To do this, we need to move
* it out of the way first. */
static const WCHAR prefixW[] = {'r','f',0};
WCHAR temp_path[MAX_PATH], temp_file[MAX_PATH];
lstrcpynW( temp_path, lpReplacedFileName, ARRAY_SIZE( temp_path ) );
PathRemoveFileSpecW( temp_path );
if (!GetTempFileNameW( temp_path, prefixW, 0, temp_file )
|| !MoveFileExW( lpReplacedFileName, temp_file, MOVEFILE_REPLACE_EXISTING ))
return FALSE;
DeleteFileW( temp_file );
}
/*
* Now that the backup has been performed (if requested), copy the replacement
* into place
*/
if (!MoveFileExW( lpReplacementFileName, lpReplacedFileName, 0 ))
{
/* on failure we need to indicate whether a backup was made */
if (!lpBackupFileName)
SetLastError( ERROR_UNABLE_TO_MOVE_REPLACEMENT );
else
SetLastError( ERROR_UNABLE_TO_MOVE_REPLACEMENT_2 );
return FALSE;
}
return TRUE;
}
/**************************************************************************
* ReplaceFileA (KERNEL32.@)
*/
BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
LPVOID lpExclude, LPVOID lpReserved)
{
WCHAR *replacedW, *replacementW, *backupW = NULL;
BOOL ret;
/* This function only makes sense when the first two parameters are defined */
if (!lpReplacedFileName || !(replacedW = FILE_name_AtoW( lpReplacedFileName, TRUE )))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (!lpReplacementFileName || !(replacementW = FILE_name_AtoW( lpReplacementFileName, TRUE )))
{
HeapFree( GetProcessHeap(), 0, replacedW );
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* The backup parameter, however, is optional */
if (lpBackupFileName)
{
if (!(backupW = FILE_name_AtoW( lpBackupFileName, TRUE )))
{
HeapFree( GetProcessHeap(), 0, replacedW );
HeapFree( GetProcessHeap(), 0, replacementW );
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
ret = ReplaceFileW( replacedW, replacementW, backupW, dwReplaceFlags, lpExclude, lpReserved );
HeapFree( GetProcessHeap(), 0, replacedW );
HeapFree( GetProcessHeap(), 0, replacementW );
HeapFree( GetProcessHeap(), 0, backupW );
return ret;
}
/**************************************************************************
* FindFirstStreamW (KERNEL32.@)
*/
HANDLE WINAPI FindFirstStreamW(LPCWSTR filename, STREAM_INFO_LEVELS infolevel, void *data, DWORD flags)
{
FIXME("(%s, %d, %p, %x): stub!\n", debugstr_w(filename), infolevel, data, flags);
SetLastError(ERROR_HANDLE_EOF);
return INVALID_HANDLE_VALUE;
}
/**************************************************************************
* FindNextStreamW (KERNEL32.@)
*/
BOOL WINAPI FindNextStreamW(HANDLE handle, void *data)
{
FIXME("(%p, %p): stub!\n", handle, data);
SetLastError(ERROR_HANDLE_EOF);
return FALSE;
}
/***********************************************************************
* OpenVxDHandle (KERNEL32.@)
*
* This function is supposed to return the corresponding Ring 0
* ("kernel") handle for a Ring 3 handle in Win9x.
* Evidently, Wine will have problems with this. But we try anyway,
* maybe it helps...
*/
HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
{
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
return hHandleRing3;
}
/****************************************************************************
* DeviceIoControl (KERNEL32.@)
*/
BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
NTSTATUS status;
TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
/* Check if this is a user defined control code for a VxD */
if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
{
typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
static DeviceIoProc (*vxd_get_proc)(HANDLE);
DeviceIoProc proc = NULL;
if (!vxd_get_proc) vxd_get_proc = (void *)GetProcAddress( GetModuleHandleW(krnl386W),
"__wine_vxd_get_proc" );
if (vxd_get_proc) proc = vxd_get_proc( hDevice );
if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
}
/* Not a VxD, let ntdll handle it */
if (lpOverlapped)
{
LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
lpOverlapped->Internal = STATUS_PENDING;
lpOverlapped->InternalHigh = 0;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
}
else
{
IO_STATUS_BLOCK iosb;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
}
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* OpenFile (KERNEL32.@)
*/
HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
{
HANDLE handle;
FILETIME filetime;
WORD filedatetime[2];
DWORD len;
if (!ofs) return HFILE_ERROR;
TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
((mode & 0x3 )==OF_READ)?"OF_READ":
((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
);
ofs->cBytes = sizeof(OFSTRUCT);
ofs->nErrCode = 0;
if (mode & OF_REOPEN) name = ofs->szPathName;
if (!name) return HFILE_ERROR;
TRACE("%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 */
len = GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL );
if (!len) goto error;
if (len >= sizeof(ofs->szPathName))
{
SetLastError(ERROR_INVALID_DATA);
goto error;
}
/* OF_PARSE simply fills the structure */
if (mode & OF_PARSE)
{
ofs->fFixedDisk = (GetDriveTypeA( ofs->szPathName ) != DRIVE_REMOVABLE);
TRACE("(%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 ((handle = create_file_OF( name, mode )) == INVALID_HANDLE_VALUE)
goto error;
}
else
{
/* Now look for the file */
len = SearchPathA( NULL, name, NULL, sizeof(ofs->szPathName), ofs->szPathName, NULL );
if (!len) goto error;
if (len >= sizeof(ofs->szPathName))
{
SetLastError(ERROR_INVALID_DATA);
goto error;
}
TRACE("found %s\n", debugstr_a(ofs->szPathName) );
if (mode & OF_DELETE)
{
if (!DeleteFileA( ofs->szPathName )) goto error;
TRACE("(%s): OF_DELETE return = OK\n", name);
return TRUE;
}
handle = LongToHandle(_lopen( ofs->szPathName, mode ));
if (handle == INVALID_HANDLE_VALUE) goto error;
GetFileTime( handle, NULL, NULL, &filetime );
FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
{
if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
{
CloseHandle( handle );
WARN("(%s): OF_VERIFY failed\n", name );
/* FIXME: what error here? */
SetLastError( ERROR_FILE_NOT_FOUND );
goto error;
}
}
ofs->Reserved1 = filedatetime[0];
ofs->Reserved2 = filedatetime[1];
}
TRACE("(%s): OK, return = %p\n", name, handle );
if (mode & OF_EXIST) /* Return TRUE instead of a handle */
{
CloseHandle( handle );
return TRUE;
}
return HandleToLong(handle);
error: /* We get here if there was an error opening the file */
ofs->nErrCode = GetLastError();
WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
return HFILE_ERROR;
}
/***********************************************************************
* K32EnumDeviceDrivers (KERNEL32.@)
*/
BOOL WINAPI K32EnumDeviceDrivers(void **image_base, DWORD cb, DWORD *needed)
{
FIXME("(%p, %d, %p): stub\n", image_base, cb, needed);
if (needed)
*needed = 0;
return TRUE;
}
/***********************************************************************
* K32GetDeviceDriverBaseNameA (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverBaseNameA(void *image_base, LPSTR base_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
if (base_name && size)
base_name[0] = '\0';
return 0;
}
/***********************************************************************
* K32GetDeviceDriverBaseNameW (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverBaseNameW(void *image_base, LPWSTR base_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, base_name, size);
if (base_name && size)
base_name[0] = '\0';
return 0;
}
/***********************************************************************
* K32GetDeviceDriverFileNameA (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverFileNameA(void *image_base, LPSTR file_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
if (file_name && size)
file_name[0] = '\0';
return 0;
}
/***********************************************************************
* K32GetDeviceDriverFileNameW (KERNEL32.@)
*/
DWORD WINAPI K32GetDeviceDriverFileNameW(void *image_base, LPWSTR file_name, DWORD size)
{
FIXME("(%p, %p, %d): stub\n", image_base, file_name, size);
if (file_name && size)
file_name[0] = '\0';
return 0;
}
/***********************************************************************
* GetFinalPathNameByHandleW (KERNEL32.@)
*/
DWORD WINAPI GetFinalPathNameByHandleW(HANDLE file, LPWSTR path, DWORD charcount, DWORD flags)
{
WCHAR buffer[sizeof(OBJECT_NAME_INFORMATION) + MAX_PATH + 1];
OBJECT_NAME_INFORMATION *info = (OBJECT_NAME_INFORMATION*)&buffer;
WCHAR drive_part[MAX_PATH];
DWORD drive_part_len = 0;
NTSTATUS status;
DWORD result = 0;
ULONG dummy;
WCHAR *ptr;
TRACE( "(%p,%p,%d,%x)\n", file, path, charcount, flags );
if (flags & ~(FILE_NAME_OPENED | VOLUME_NAME_GUID | VOLUME_NAME_NONE | VOLUME_NAME_NT))
{
WARN("Unknown flags: %x\n", flags);
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
/* get object name */
status = NtQueryObject( file, ObjectNameInformation, &buffer, sizeof(buffer) - sizeof(WCHAR), &dummy );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError( status ) );
return 0;
}
if (!info->Name.Buffer)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (info->Name.Length < 4 * sizeof(WCHAR) || info->Name.Buffer[0] != '\\' ||
info->Name.Buffer[1] != '?' || info->Name.Buffer[2] != '?' || info->Name.Buffer[3] != '\\' )
{
FIXME("Unexpected object name: %s\n", debugstr_wn(info->Name.Buffer, info->Name.Length / sizeof(WCHAR)));
SetLastError( ERROR_GEN_FAILURE );
return 0;
}
/* add terminating null character, remove "\\??\\" */
info->Name.Buffer[info->Name.Length / sizeof(WCHAR)] = 0;
info->Name.Length -= 4 * sizeof(WCHAR);
info->Name.Buffer += 4;
/* FILE_NAME_OPENED is not supported yet, and would require Wineserver changes */
if (flags & FILE_NAME_OPENED)
{
FIXME("FILE_NAME_OPENED not supported\n");
flags &= ~FILE_NAME_OPENED;
}
/* Get information required for VOLUME_NAME_NONE, VOLUME_NAME_GUID and VOLUME_NAME_NT */
if (flags == VOLUME_NAME_NONE || flags == VOLUME_NAME_GUID || flags == VOLUME_NAME_NT)
{
if (!GetVolumePathNameW( info->Name.Buffer, drive_part, MAX_PATH ))
return 0;
drive_part_len = strlenW(drive_part);
if (!drive_part_len || drive_part_len > strlenW(info->Name.Buffer) ||
drive_part[drive_part_len-1] != '\\' ||
strncmpiW( info->Name.Buffer, drive_part, drive_part_len ))
{
FIXME("Path %s returned by GetVolumePathNameW does not match file path %s\n",
debugstr_w(drive_part), debugstr_w(info->Name.Buffer));
SetLastError( ERROR_GEN_FAILURE );
return 0;
}
}
if (flags == VOLUME_NAME_NONE)
{
ptr = info->Name.Buffer + drive_part_len - 1;
result = strlenW(ptr);
if (result < charcount)
memcpy(path, ptr, (result + 1) * sizeof(WCHAR));
else result++;
}
else if (flags == VOLUME_NAME_GUID)
{
WCHAR volume_prefix[51];
/* GetVolumeNameForVolumeMountPointW sets error code on failure */
if (!GetVolumeNameForVolumeMountPointW( drive_part, volume_prefix, 50 ))
return 0;
ptr = info->Name.Buffer + drive_part_len;
result = strlenW(volume_prefix) + strlenW(ptr);
if (result < charcount)
{
path[0] = 0;
strcatW(path, volume_prefix);
strcatW(path, ptr);
}
else
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
result++;
}
}
else if (flags == VOLUME_NAME_NT)
{
WCHAR nt_prefix[MAX_PATH];
/* QueryDosDeviceW sets error code on failure */
drive_part[drive_part_len - 1] = 0;
if (!QueryDosDeviceW( drive_part, nt_prefix, MAX_PATH ))
return 0;
ptr = info->Name.Buffer + drive_part_len - 1;
result = strlenW(nt_prefix) + strlenW(ptr);
if (result < charcount)
{
path[0] = 0;
strcatW(path, nt_prefix);
strcatW(path, ptr);
}
else
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
result++;
}
}
else if (flags == VOLUME_NAME_DOS)
{
static const WCHAR dos_prefix[] = {'\\','\\','?','\\', '\0'};
result = strlenW(dos_prefix) + strlenW(info->Name.Buffer);
if (result < charcount)
{
path[0] = 0;
strcatW(path, dos_prefix);
strcatW(path, info->Name.Buffer);
}
else
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
result++;
}
}
else
{
/* Windows crashes here, but we prefer returning ERROR_INVALID_PARAMETER */
WARN("Invalid combination of flags: %x\n", flags);
SetLastError( ERROR_INVALID_PARAMETER );
}
return result;
}
/***********************************************************************
* GetFinalPathNameByHandleA (KERNEL32.@)
*/
DWORD WINAPI GetFinalPathNameByHandleA(HANDLE file, LPSTR path, DWORD charcount, DWORD flags)
{
WCHAR *str;
DWORD result, len, cp;
TRACE( "(%p,%p,%d,%x)\n", file, path, charcount, flags);
len = GetFinalPathNameByHandleW(file, NULL, 0, flags);
if (len == 0)
return 0;
str = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!str)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return 0;
}
result = GetFinalPathNameByHandleW(file, str, len, flags);
if (result != len - 1)
{
HeapFree(GetProcessHeap(), 0, str);
WARN("GetFinalPathNameByHandleW failed unexpectedly: %u\n", result);
return 0;
}
cp = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
len = WideCharToMultiByte(cp, 0, str, -1, NULL, 0, NULL, NULL);
if (!len)
{
HeapFree(GetProcessHeap(), 0, str);
WARN("Failed to get multibyte length\n");
return 0;
}
if (charcount < len)
{
HeapFree(GetProcessHeap(), 0, str);
return len - 1;
}
len = WideCharToMultiByte(cp, 0, str, -1, path, charcount, NULL, NULL);
if (!len)
{
HeapFree(GetProcessHeap(), 0, str);
WARN("WideCharToMultiByte failed\n");
return 0;
}
HeapFree(GetProcessHeap(), 0, str);
return len - 1;
}
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