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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 <stdarg.h>
#include <stdio.h>
#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 "fileapi.h"
#include "ddk/ntddk.h"
#include "ddk/ntddser.h"
#include "kernelbase.h"
#include "wine/exception.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
const WCHAR windows_dir[] = {'C',':','\\','w','i','n','d','o','w','s',0};
const WCHAR system_dir[] = {'C',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m','3','2',0};
static const WCHAR krnl386W[] = {'k','r','n','l','3','8','6','.','e','x','e','1','6',0};
static BOOL oem_file_apis;
static void WINAPI read_write_apc( void *apc_user, PIO_STATUS_BLOCK io, ULONG reserved )
{
LPOVERLAPPED_COMPLETION_ROUTINE func = apc_user;
func( RtlNtStatusToDosError( io->u.Status ), io->Information, (LPOVERLAPPED)io );
}
/***********************************************************************
* Operations on file names
***********************************************************************/
/***********************************************************************
* copy_filename_WtoA
*
* copy a file name back to OEM/Ansi, but only if the buffer is large enough
*/
static DWORD copy_filename_WtoA( LPCWSTR nameW, LPSTR buffer, DWORD len )
{
UNICODE_STRING strW;
DWORD ret;
RtlInitUnicodeString( &strW, nameW );
ret = oem_file_apis ? RtlUnicodeStringToOemSize( &strW ) : RtlUnicodeStringToAnsiSize( &strW );
if (buffer && ret <= len)
{
ANSI_STRING str;
str.Buffer = buffer;
str.MaximumLength = min( len, UNICODE_STRING_MAX_CHARS );
if (oem_file_apis)
RtlUnicodeStringToOemString( &str, &strW, FALSE );
else
RtlUnicodeStringToAnsiString( &str, &strW, FALSE );
ret = str.Length; /* length without terminating 0 */
}
return ret;
}
/***********************************************************************
* 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 (oem_file_apis)
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 = lstrlenW( src ) + 1;
if (oem_file_apis)
RtlUnicodeToOemN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
else
RtlUnicodeToMultiByteN( dest, destlen, &ret, src, srclen * sizeof(WCHAR) );
return ret;
}
/******************************************************************************
* AreFileApisANSI (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH AreFileApisANSI(void)
{
return !oem_file_apis;
}
/***********************************************************************
* CreateDirectoryA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CreateDirectoryA( LPCSTR path, LPSECURITY_ATTRIBUTES sa )
{
WCHAR *pathW;
if (!(pathW = file_name_AtoW( path, FALSE ))) return FALSE;
return CreateDirectoryW( pathW, sa );
}
/***********************************************************************
* CreateDirectoryW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CreateDirectoryW( LPCWSTR path, LPSECURITY_ATTRIBUTES sa )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nt_name;
IO_STATUS_BLOCK io;
NTSTATUS status;
HANDLE handle;
TRACE( "%s\n", debugstr_w(path) );
if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
status = NtCreateFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr, &io, NULL,
FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ, FILE_CREATE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0 );
if (status == STATUS_SUCCESS) NtClose( handle );
RtlFreeUnicodeString( &nt_name );
return set_ntstatus( status );
}
/***********************************************************************
* CreateDirectoryEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
LPSECURITY_ATTRIBUTES sa )
{
return CreateDirectoryW( path, sa );
}
/*************************************************************************
* CreateFile2 (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateFile2( LPCWSTR name, DWORD access, DWORD sharing, DWORD creation,
CREATEFILE2_EXTENDED_PARAMETERS *params )
{
LPSECURITY_ATTRIBUTES sa = params ? params->lpSecurityAttributes : NULL;
DWORD attributes = params ? params->dwFileAttributes : 0;
HANDLE template = params ? params->hTemplateFile : NULL;
FIXME( "(%s %x %x %x %p), partial stub\n", debugstr_w(name), access, sharing, creation, params );
return CreateFileW( name, access, sharing, sa, creation, attributes, template );
}
/*************************************************************************
* CreateFileA (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileA( LPCSTR name, DWORD access, DWORD sharing,
LPSECURITY_ATTRIBUTES sa, DWORD creation,
DWORD attributes, HANDLE template)
{
WCHAR *nameW;
if ((GetVersion() & 0x80000000) && IsBadStringPtrA( name, -1 )) return INVALID_HANDLE_VALUE;
if (!(nameW = file_name_AtoW( name, FALSE ))) return INVALID_HANDLE_VALUE;
return CreateFileW( nameW, access, sharing, sa, creation, attributes, template );
}
/*************************************************************************
* CreateFileW (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
LPSECURITY_ATTRIBUTES sa, DWORD creation,
DWORD attributes, HANDLE template )
{
NTSTATUS status;
UINT options;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
IO_STATUS_BLOCK io;
HANDLE ret;
DWORD dosdev;
const WCHAR *vxd_name = NULL;
static const WCHAR bkslashes_with_dotW[] = {'\\','\\','.','\\',0};
static const WCHAR coninW[] = {'C','O','N','I','N','$',0};
static const WCHAR conoutW[] = {'C','O','N','O','U','T','$',0};
SECURITY_QUALITY_OF_SERVICE qos;
static const UINT nt_disposition[5] =
{
FILE_CREATE, /* CREATE_NEW */
FILE_OVERWRITE_IF, /* CREATE_ALWAYS */
FILE_OPEN, /* OPEN_EXISTING */
FILE_OPEN_IF, /* OPEN_ALWAYS */
FILE_OVERWRITE /* TRUNCATE_EXISTING */
};
/* sanity checks */
if (!filename || !filename[0])
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
TRACE( "%s %s%s%s%s%s%s%s creation %d attributes 0x%x\n", debugstr_w(filename),
(access & GENERIC_READ) ? "GENERIC_READ " : "",
(access & GENERIC_WRITE) ? "GENERIC_WRITE " : "",
(access & GENERIC_EXECUTE) ? "GENERIC_EXECUTE " : "",
!access ? "QUERY_ACCESS " : "",
(sharing & FILE_SHARE_READ) ? "FILE_SHARE_READ " : "",
(sharing & FILE_SHARE_WRITE) ? "FILE_SHARE_WRITE " : "",
(sharing & FILE_SHARE_DELETE) ? "FILE_SHARE_DELETE " : "",
creation, attributes);
/* Open a console for CONIN$ or CONOUT$ */
if (!wcsicmp(filename, coninW) || !wcsicmp(filename, conoutW))
{
ret = OpenConsoleW( filename, access, sa && sa->bInheritHandle, creation ? OPEN_EXISTING : 0 );
if (ret == INVALID_HANDLE_VALUE) SetLastError( ERROR_INVALID_PARAMETER );
return ret;
}
if (!wcsncmp( filename, bkslashes_with_dotW, 4 ))
{
static const WCHAR pipeW[] = {'P','I','P','E','\\',0};
static const WCHAR mailslotW[] = {'M','A','I','L','S','L','O','T','\\',0};
if ((iswalpha(filename[4]) && filename[5] == ':' && filename[6] == '\0') ||
!wcsnicmp( filename + 4, pipeW, 5 ) ||
!wcsnicmp( filename + 4, mailslotW, 9 ))
{
dosdev = 0;
}
else if ((dosdev = RtlIsDosDeviceName_U( filename + 4 )))
{
dosdev += MAKELONG( 0, 4*sizeof(WCHAR) ); /* adjust position to start of filename */
}
else if (GetVersion() & 0x80000000)
{
vxd_name = filename + 4;
if (!creation) creation = OPEN_EXISTING;
}
}
else dosdev = RtlIsDosDeviceName_U( filename );
if (dosdev)
{
static const WCHAR conW[] = {'C','O','N'};
if (LOWORD(dosdev) == sizeof(conW) &&
!wcsnicmp( filename + HIWORD(dosdev)/sizeof(WCHAR), conW, ARRAY_SIZE( conW )))
{
switch (access & (GENERIC_READ|GENERIC_WRITE))
{
case GENERIC_READ:
return OpenConsoleW( coninW, access, sa && sa->bInheritHandle, OPEN_EXISTING );
case GENERIC_WRITE:
return OpenConsoleW( conoutW, access, sa && sa->bInheritHandle, OPEN_EXISTING );
default:
SetLastError( ERROR_FILE_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
}
}
if (creation < CREATE_NEW || creation > TRUNCATE_EXISTING)
{
SetLastError( ERROR_INVALID_PARAMETER );
return INVALID_HANDLE_VALUE;
}
if (!RtlDosPathNameToNtPathName_U( filename, &nameW, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
/* now call NtCreateFile */
options = 0;
if (attributes & FILE_FLAG_BACKUP_SEMANTICS)
options |= FILE_OPEN_FOR_BACKUP_INTENT;
else
options |= FILE_NON_DIRECTORY_FILE;
if (attributes & FILE_FLAG_DELETE_ON_CLOSE)
{
options |= FILE_DELETE_ON_CLOSE;
access |= DELETE;
}
if (attributes & FILE_FLAG_NO_BUFFERING)
options |= FILE_NO_INTERMEDIATE_BUFFERING;
if (!(attributes & FILE_FLAG_OVERLAPPED))
options |= FILE_SYNCHRONOUS_IO_NONALERT;
if (attributes & FILE_FLAG_RANDOM_ACCESS)
options |= FILE_RANDOM_ACCESS;
if (attributes & FILE_FLAG_WRITE_THROUGH)
options |= FILE_WRITE_THROUGH;
attributes &= FILE_ATTRIBUTE_VALID_FLAGS;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nameW;
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
if (attributes & SECURITY_SQOS_PRESENT)
{
qos.Length = sizeof(qos);
qos.ImpersonationLevel = (attributes >> 16) & 0x3;
qos.ContextTrackingMode = attributes & SECURITY_CONTEXT_TRACKING ? SECURITY_DYNAMIC_TRACKING : SECURITY_STATIC_TRACKING;
qos.EffectiveOnly = (attributes & SECURITY_EFFECTIVE_ONLY) != 0;
attr.SecurityQualityOfService = &qos;
}
else
attr.SecurityQualityOfService = NULL;
if (sa && sa->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
status = NtCreateFile( &ret, access | SYNCHRONIZE | FILE_READ_ATTRIBUTES, &attr, &io,
NULL, attributes, sharing, nt_disposition[creation - CREATE_NEW],
options, NULL, 0 );
if (status)
{
if (vxd_name && vxd_name[0])
{
static HANDLE (*vxd_open)(LPCWSTR,DWORD,SECURITY_ATTRIBUTES*);
if (!vxd_open) vxd_open = (void *)GetProcAddress( GetModuleHandleW(krnl386W),
"__wine_vxd_open" );
if (vxd_open && (ret = vxd_open( vxd_name, access, sa ))) goto done;
}
WARN("Unable to create file %s (status %x)\n", debugstr_w(filename), status);
ret = INVALID_HANDLE_VALUE;
/* In the case file creation was rejected due to CREATE_NEW flag
* was specified and file with that name already exists, correct
* last error is ERROR_FILE_EXISTS and not ERROR_ALREADY_EXISTS.
* Note: RtlNtStatusToDosError is not the subject to blame here.
*/
if (status == STATUS_OBJECT_NAME_COLLISION)
SetLastError( ERROR_FILE_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
}
else
{
if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
(creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( 0 );
}
RtlFreeUnicodeString( &nameW );
done:
if (!ret) ret = INVALID_HANDLE_VALUE;
TRACE("returning %p\n", ret);
return ret;
}
/***********************************************************************
* DeleteFileA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DeleteFileA( LPCSTR path )
{
WCHAR *pathW;
if (!(pathW = file_name_AtoW( path, FALSE ))) return FALSE;
return DeleteFileW( pathW );
}
/***********************************************************************
* DeleteFileW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DeleteFileW( LPCWSTR path )
{
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
HANDLE hFile;
IO_STATUS_BLOCK io;
TRACE( "%s\n", debugstr_w(path) );
if (!RtlDosPathNameToNtPathName_U( path, &nameW, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nameW;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtCreateFile(&hFile, SYNCHRONIZE | DELETE, &attr, &io, NULL, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE, NULL, 0);
if (status == STATUS_SUCCESS) status = NtClose(hFile);
RtlFreeUnicodeString( &nameW );
return set_ntstatus( status );
}
/****************************************************************************
* FindCloseChangeNotification (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FindCloseChangeNotification( HANDLE handle )
{
return CloseHandle( handle );
}
/****************************************************************************
* FindFirstChangeNotificationA (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH FindFirstChangeNotificationA( LPCSTR path, BOOL subtree, DWORD filter )
{
WCHAR *pathW;
if (!(pathW = file_name_AtoW( path, FALSE ))) return INVALID_HANDLE_VALUE;
return FindFirstChangeNotificationW( pathW, subtree, filter );
}
/*
* NtNotifyChangeDirectoryFile may write back to the IO_STATUS_BLOCK
* asynchronously. We don't care about the contents, but it can't
* be placed on the stack since it will go out of scope when we return.
*/
static IO_STATUS_BLOCK dummy_iosb;
/****************************************************************************
* FindFirstChangeNotificationW (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH FindFirstChangeNotificationW( LPCWSTR path, BOOL subtree, DWORD filter )
{
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
HANDLE handle = INVALID_HANDLE_VALUE;
TRACE( "%s %d %x\n", debugstr_w(path), subtree, filter );
if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return handle;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtOpenFile( &handle, FILE_LIST_DIRECTORY | SYNCHRONIZE, &attr, &dummy_iosb,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
RtlFreeUnicodeString( &nt_name );
if (!set_ntstatus( status )) return INVALID_HANDLE_VALUE;
status = NtNotifyChangeDirectoryFile( handle, NULL, NULL, NULL, &dummy_iosb, NULL, 0, filter, subtree );
if (status != STATUS_PENDING)
{
NtClose( handle );
SetLastError( RtlNtStatusToDosError(status) );
return INVALID_HANDLE_VALUE;
}
return handle;
}
/****************************************************************************
* FindNextChangeNotification (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FindNextChangeNotification( HANDLE handle )
{
NTSTATUS status = NtNotifyChangeDirectoryFile( handle, NULL, NULL, NULL, &dummy_iosb,
NULL, 0, FILE_NOTIFY_CHANGE_SIZE, 0 );
if (status == STATUS_PENDING) return TRUE;
return set_ntstatus( status );
}
/******************************************************************************
* GetCompressedFileSizeA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
{
WCHAR *nameW;
if (!(nameW = file_name_AtoW( name, FALSE ))) return INVALID_FILE_SIZE;
return GetCompressedFileSizeW( nameW, size_high );
}
/******************************************************************************
* GetCompressedFileSizeW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetCompressedFileSizeW( LPCWSTR name, LPDWORD size_high )
{
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
NTSTATUS status;
HANDLE handle;
DWORD ret;
TRACE("%s %p\n", debugstr_w(name), size_high);
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_FILE_SIZE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
RtlFreeUnicodeString( &nt_name );
if (!set_ntstatus( status )) return INVALID_FILE_SIZE;
/* we don't support compressed files, simply return the file size */
ret = GetFileSize( handle, size_high );
NtClose( handle );
return ret;
}
/***********************************************************************
* GetCurrentDirectoryA (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetCurrentDirectoryA( UINT buflen, LPSTR buf )
{
WCHAR bufferW[MAX_PATH];
DWORD ret;
if (buflen && buf && ((ULONG_PTR)buf >> 16) == 0)
{
/* Win9x catches access violations here, returning zero.
* This behaviour resulted in some people not noticing
* that they got the argument order wrong. So let's be
* nice and fail gracefully if buf is invalid and looks
* more like a buflen. */
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
ret = RtlGetCurrentDirectory_U( sizeof(bufferW), bufferW );
if (!ret) return 0;
if (ret > sizeof(bufferW))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return copy_filename_WtoA( bufferW, buf, buflen );
}
/***********************************************************************
* GetCurrentDirectoryW (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetCurrentDirectoryW( UINT buflen, LPWSTR buf )
{
return RtlGetCurrentDirectory_U( buflen * sizeof(WCHAR), buf ) / sizeof(WCHAR);
}
/**************************************************************************
* GetFileAttributesA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetFileAttributesA( LPCSTR name )
{
WCHAR *nameW;
if (!(nameW = file_name_AtoW( name, FALSE ))) return INVALID_FILE_ATTRIBUTES;
return GetFileAttributesW( nameW );
}
/**************************************************************************
* GetFileAttributesW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetFileAttributesW( LPCWSTR name )
{
FILE_BASIC_INFORMATION info;
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
TRACE( "%s\n", debugstr_w(name) );
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_FILE_ATTRIBUTES;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtQueryAttributesFile( &attr, &info );
RtlFreeUnicodeString( &nt_name );
if (status == STATUS_SUCCESS) return info.FileAttributes;
/* NtQueryAttributesFile fails on devices, but GetFileAttributesW succeeds */
if (RtlIsDosDeviceName_U( name )) return FILE_ATTRIBUTE_ARCHIVE;
SetLastError( RtlNtStatusToDosError(status) );
return INVALID_FILE_ATTRIBUTES;
}
/**************************************************************************
* GetFileAttributesExA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetFileAttributesExA( LPCSTR name, GET_FILEEX_INFO_LEVELS level, void *ptr )
{
WCHAR *nameW;
if (!(nameW = file_name_AtoW( name, FALSE ))) return FALSE;
return GetFileAttributesExW( nameW, level, ptr );
}
/**************************************************************************
* GetFileAttributesExW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetFileAttributesExW( LPCWSTR name, GET_FILEEX_INFO_LEVELS level, void *ptr )
{
FILE_NETWORK_OPEN_INFORMATION info;
WIN32_FILE_ATTRIBUTE_DATA *data = ptr;
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
TRACE("%s %d %p\n", debugstr_w(name), level, ptr);
if (level != GetFileExInfoStandard)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtQueryFullAttributesFile( &attr, &info );
RtlFreeUnicodeString( &nt_name );
if (!set_ntstatus( status )) return FALSE;
data->dwFileAttributes = info.FileAttributes;
data->ftCreationTime.dwLowDateTime = info.CreationTime.u.LowPart;
data->ftCreationTime.dwHighDateTime = info.CreationTime.u.HighPart;
data->ftLastAccessTime.dwLowDateTime = info.LastAccessTime.u.LowPart;
data->ftLastAccessTime.dwHighDateTime = info.LastAccessTime.u.HighPart;
data->ftLastWriteTime.dwLowDateTime = info.LastWriteTime.u.LowPart;
data->ftLastWriteTime.dwHighDateTime = info.LastWriteTime.u.HighPart;
data->nFileSizeLow = info.EndOfFile.u.LowPart;
data->nFileSizeHigh = info.EndOfFile.u.HighPart;
return TRUE;
}
/***********************************************************************
* GetFullPathNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetFullPathNameA( LPCSTR name, DWORD len, LPSTR buffer, LPSTR *lastpart )
{
WCHAR *nameW;
WCHAR bufferW[MAX_PATH], *lastpartW = NULL;
DWORD ret;
if (!(nameW = file_name_AtoW( name, FALSE ))) return 0;
ret = GetFullPathNameW( nameW, MAX_PATH, bufferW, &lastpartW );
if (!ret) return 0;
if (ret > MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
ret = copy_filename_WtoA( bufferW, buffer, len );
if (ret < len && lastpart)
{
if (lastpartW)
*lastpart = buffer + file_name_WtoA( bufferW, lastpartW - bufferW, NULL, 0 );
else
*lastpart = NULL;
}
return ret;
}
/***********************************************************************
* GetFullPathNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetFullPathNameW( LPCWSTR name, DWORD len, LPWSTR buffer, LPWSTR *lastpart )
{
return RtlGetFullPathName_U( name, len * sizeof(WCHAR), buffer, lastpart ) / sizeof(WCHAR);
}
/***********************************************************************
* GetLongPathNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetLongPathNameA( LPCSTR shortpath, LPSTR longpath, DWORD longlen )
{
WCHAR *shortpathW;
WCHAR longpathW[MAX_PATH];
DWORD ret;
TRACE( "%s\n", debugstr_a( shortpath ));
if (!(shortpathW = file_name_AtoW( shortpath, FALSE ))) return 0;
ret = GetLongPathNameW( shortpathW, longpathW, MAX_PATH );
if (!ret) return 0;
if (ret > MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return copy_filename_WtoA( longpathW, longpath, longlen );
}
/***********************************************************************
* GetLongPathNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetLongPathNameW( LPCWSTR shortpath, LPWSTR longpath, DWORD longlen )
{
static const WCHAR wildcardsW[] = {'*','?',0};
WCHAR tmplongpath[1024];
DWORD sp = 0, lp = 0, tmplen;
WIN32_FIND_DATAW wfd;
UNICODE_STRING nameW;
LPCWSTR p;
HANDLE handle;
TRACE("%s,%p,%u\n", debugstr_w(shortpath), longpath, longlen);
if (!shortpath)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!shortpath[0])
{
SetLastError( ERROR_PATH_NOT_FOUND );
return 0;
}
if (shortpath[0] == '\\' && shortpath[1] == '\\')
{
FIXME( "UNC pathname %s\n", debugstr_w(shortpath) );
tmplen = lstrlenW( shortpath );
if (tmplen < longlen)
{
if (longpath != shortpath) lstrcpyW( longpath, shortpath );
return tmplen;
}
return tmplen + 1;
}
/* check for drive letter */
if (shortpath[0] != '/' && shortpath[1] == ':' )
{
tmplongpath[0] = shortpath[0];
tmplongpath[1] = ':';
lp = sp = 2;
}
if (wcspbrk( shortpath + sp, wildcardsW ))
{
SetLastError( ERROR_INVALID_NAME );
return 0;
}
while (shortpath[sp])
{
/* check for path delimiters and reproduce them */
if (shortpath[sp] == '\\' || shortpath[sp] == '/')
{
tmplongpath[lp++] = shortpath[sp++];
tmplongpath[lp] = 0; /* terminate string */
continue;
}
for (p = shortpath + sp; *p && *p != '/' && *p != '\\'; p++);
tmplen = p - (shortpath + sp);
lstrcpynW( tmplongpath + lp, shortpath + sp, tmplen + 1 );
if (tmplongpath[lp] == '.')
{
if (tmplen == 1 || (tmplen == 2 && tmplongpath[lp + 1] == '.'))
{
lp += tmplen;
sp += tmplen;
continue;
}
}
/* Check if the file exists */
handle = FindFirstFileW( tmplongpath, &wfd );
if (handle == INVALID_HANDLE_VALUE)
{
TRACE( "not found %s\n", debugstr_w( tmplongpath ));
SetLastError ( ERROR_FILE_NOT_FOUND );
return 0;
}
FindClose( handle );
/* Use the existing file name if it's a short name */
RtlInitUnicodeString( &nameW, tmplongpath + lp );
if (RtlIsNameLegalDOS8Dot3( &nameW, NULL, NULL )) lstrcpyW( tmplongpath + lp, wfd.cFileName );
lp += lstrlenW( tmplongpath + lp );
sp += tmplen;
}
tmplen = lstrlenW( shortpath ) - 1;
if ((shortpath[tmplen] == '/' || shortpath[tmplen] == '\\') &&
(tmplongpath[lp - 1] != '/' && tmplongpath[lp - 1] != '\\'))
tmplongpath[lp++] = shortpath[tmplen];
tmplongpath[lp] = 0;
tmplen = lstrlenW( tmplongpath ) + 1;
if (tmplen <= longlen)
{
lstrcpyW( longpath, tmplongpath );
TRACE("returning %s\n", debugstr_w( longpath ));
tmplen--; /* length without 0 */
}
return tmplen;
}
/***********************************************************************
* GetShortPathNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetShortPathNameW( LPCWSTR longpath, LPWSTR shortpath, DWORD shortlen )
{
static const WCHAR wildcardsW[] = {'*','?',0};
WIN32_FIND_DATAW wfd;
WCHAR *tmpshortpath;
HANDLE handle;
LPCWSTR p;
DWORD sp = 0, lp = 0, tmplen, buf_len;
TRACE( "%s,%p,%u\n", debugstr_w(longpath), shortpath, shortlen );
if (!longpath)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!longpath[0])
{
SetLastError( ERROR_BAD_PATHNAME );
return 0;
}
/* code below only removes characters from string, never adds, so this is
* the largest buffer that tmpshortpath will need to have */
buf_len = lstrlenW(longpath) + 1;
tmpshortpath = HeapAlloc( GetProcessHeap(), 0, buf_len * sizeof(WCHAR) );
if (!tmpshortpath)
{
SetLastError( ERROR_OUTOFMEMORY );
return 0;
}
if (longpath[0] == '\\' && longpath[1] == '\\' && longpath[2] == '?' && longpath[3] == '\\')
{
memcpy( tmpshortpath, longpath, 4 * sizeof(WCHAR) );
sp = lp = 4;
}
if (wcspbrk( longpath + lp, wildcardsW ))
{
HeapFree( GetProcessHeap(), 0, tmpshortpath );
SetLastError( ERROR_INVALID_NAME );
return 0;
}
/* check for drive letter */
if (longpath[lp] != '/' && longpath[lp + 1] == ':' )
{
tmpshortpath[sp] = longpath[lp];
tmpshortpath[sp + 1] = ':';
sp += 2;
lp += 2;
}
while (longpath[lp])
{
/* check for path delimiters and reproduce them */
if (longpath[lp] == '\\' || longpath[lp] == '/')
{
tmpshortpath[sp++] = longpath[lp++];
tmpshortpath[sp] = 0; /* terminate string */
continue;
}
p = longpath + lp;
for (; *p && *p != '/' && *p != '\\'; p++);
tmplen = p - (longpath + lp);
lstrcpynW( tmpshortpath + sp, longpath + lp, tmplen + 1 );
if (tmpshortpath[sp] == '.')
{
if (tmplen == 1 || (tmplen == 2 && tmpshortpath[sp + 1] == '.'))
{
sp += tmplen;
lp += tmplen;
continue;
}
}
/* Check if the file exists and use the existing short file name */
handle = FindFirstFileW( tmpshortpath, &wfd );
if (handle == INVALID_HANDLE_VALUE) goto notfound;
FindClose( handle );
/* In rare cases (like "a.abcd") short path may be longer than original path.
* Make sure we have enough space in temp buffer. */
if (wfd.cAlternateFileName[0] && tmplen < lstrlenW(wfd.cAlternateFileName))
{
WCHAR *new_buf;
buf_len += lstrlenW( wfd.cAlternateFileName ) - tmplen;
new_buf = HeapReAlloc( GetProcessHeap(), 0, tmpshortpath, buf_len * sizeof(WCHAR) );
if(!new_buf)
{
HeapFree( GetProcessHeap(), 0, tmpshortpath );
SetLastError( ERROR_OUTOFMEMORY );
return 0;
}
tmpshortpath = new_buf;
}
lstrcpyW( tmpshortpath + sp, wfd.cAlternateFileName[0] ? wfd.cAlternateFileName : wfd.cFileName );
sp += lstrlenW( tmpshortpath + sp );
lp += tmplen;
}
tmpshortpath[sp] = 0;
tmplen = lstrlenW( tmpshortpath ) + 1;
if (tmplen <= shortlen)
{
lstrcpyW( shortpath, tmpshortpath );
TRACE( "returning %s\n", debugstr_w( shortpath ));
tmplen--; /* length without 0 */
}
HeapFree( GetProcessHeap(), 0, tmpshortpath );
return tmplen;
notfound:
HeapFree( GetProcessHeap(), 0, tmpshortpath );
TRACE( "not found\n" );
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
/***********************************************************************
* GetSystemDirectoryA (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetSystemDirectoryA( LPSTR path, UINT count )
{
return copy_filename_WtoA( system_dir, path, count );
}
/***********************************************************************
* GetSystemDirectoryW (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetSystemDirectoryW( LPWSTR path, UINT count )
{
UINT len = lstrlenW( system_dir ) + 1;
if (path && count >= len)
{
lstrcpyW( path, system_dir );
len--;
}
return len;
}
/***********************************************************************
* GetSystemWindowsDirectoryA (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetSystemWindowsDirectoryA( LPSTR path, UINT count )
{
return GetWindowsDirectoryA( path, count );
}
/***********************************************************************
* GetSystemWindowsDirectoryW (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetSystemWindowsDirectoryW( LPWSTR path, UINT count )
{
return GetWindowsDirectoryW( path, count );
}
/***********************************************************************
* GetTempFileNameA (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique, LPSTR buffer )
{
WCHAR *pathW, *prefixW = NULL;
WCHAR bufferW[MAX_PATH];
UINT ret;
if (!(pathW = file_name_AtoW( path, FALSE ))) return 0;
if (prefix && !(prefixW = file_name_AtoW( prefix, TRUE ))) return 0;
ret = GetTempFileNameW( pathW, prefixW, unique, bufferW );
if (ret) file_name_WtoA( bufferW, -1, buffer, MAX_PATH );
HeapFree( GetProcessHeap(), 0, prefixW );
return ret;
}
/***********************************************************************
* GetTempFileNameW (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique, LPWSTR buffer )
{
static const WCHAR formatW[] = {'%','x','.','t','m','p',0};
int i;
LPWSTR p;
DWORD attr;
if (!path || !buffer)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
/* ensure that the provided directory exists */
attr = GetFileAttributesW( path );
if (attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY))
{
TRACE( "path not found %s\n", debugstr_w( path ));
SetLastError( ERROR_DIRECTORY );
return 0;
}
lstrcpyW( buffer, path );
p = buffer + lstrlenW(buffer);
/* add a \, if there isn't one */
if ((p == buffer) || (p[-1] != '\\')) *p++ = '\\';
if (prefix) for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
unique &= 0xffff;
if (unique) swprintf( p, MAX_PATH - (p - buffer), formatW, unique );
else
{
/* get a "random" unique number and try to create the file */
HANDLE handle;
UINT num = NtGetTickCount() & 0xffff;
static UINT last;
/* avoid using the same name twice in a short interval */
if (last - num < 10) num = last + 1;
if (!num) num = 1;
unique = num;
do
{
swprintf( p, MAX_PATH - (p - buffer), formatW, unique );
handle = CreateFileW( buffer, GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0 );
if (handle != INVALID_HANDLE_VALUE)
{ /* We created it */
CloseHandle( handle );
last = unique;
break;
}
if (GetLastError() != ERROR_FILE_EXISTS && GetLastError() != ERROR_SHARING_VIOLATION)
break; /* No need to go on */
if (!(++unique & 0xffff)) unique = 1;
} while (unique != num);
}
TRACE( "returning %s\n", debugstr_w( buffer ));
return unique;
}
/***********************************************************************
* GetTempPathA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetTempPathA( DWORD count, LPSTR path )
{
WCHAR pathW[MAX_PATH];
UINT ret;
if (!(ret = GetTempPathW( MAX_PATH, pathW ))) return 0;
if (ret > MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return copy_filename_WtoA( pathW, path, count );
}
/***********************************************************************
* GetTempPathW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetTempPathW( DWORD count, LPWSTR path )
{
static const WCHAR tmp[] = { 'T','M','P',0 };
static const WCHAR temp[] = { 'T','E','M','P',0 };
static const WCHAR userprofile[] = { 'U','S','E','R','P','R','O','F','I','L','E',0 };
WCHAR tmp_path[MAX_PATH];
UINT ret;
if (!(ret = GetEnvironmentVariableW( tmp, tmp_path, MAX_PATH )) &&
!(ret = GetEnvironmentVariableW( temp, tmp_path, MAX_PATH )) &&
!(ret = GetEnvironmentVariableW( userprofile, tmp_path, MAX_PATH )) &&
!(ret = GetWindowsDirectoryW( tmp_path, MAX_PATH )))
return 0;
if (ret > MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
ret = GetFullPathNameW( tmp_path, MAX_PATH, tmp_path, NULL );
if (!ret) return 0;
if (ret > MAX_PATH - 2)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
if (tmp_path[ret-1] != '\\')
{
tmp_path[ret++] = '\\';
tmp_path[ret] = '\0';
}
ret++; /* add space for terminating 0 */
if (count >= ret)
{
lstrcpynW( path, tmp_path, count );
/* the remaining buffer must be zeroed up to 32766 bytes in XP or 32767
* bytes after it, we will assume the > XP behavior for now */
memset( path + ret, 0, (min(count, 32767) - ret) * sizeof(WCHAR) );
ret--; /* return length without 0 */
}
else if (count)
{
/* the buffer must be cleared if contents will not fit */
memset( path, 0, count * sizeof(WCHAR) );
}
TRACE( "returning %u, %s\n", ret, debugstr_w( path ));
return ret;
}
/***********************************************************************
* GetWindowsDirectoryA (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetWindowsDirectoryA( LPSTR path, UINT count )
{
return copy_filename_WtoA( windows_dir, path, count );
}
/***********************************************************************
* GetWindowsDirectoryW (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetWindowsDirectoryW( LPWSTR path, UINT count )
{
UINT len = lstrlenW( windows_dir ) + 1;
if (path && count >= len)
{
lstrcpyW( path, windows_dir );
len--;
}
return len;
}
/***********************************************************************
* NeedCurrentDirectoryForExePathA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH NeedCurrentDirectoryForExePathA( LPCSTR name )
{
WCHAR *nameW;
if (!(nameW = file_name_AtoW( name, FALSE ))) return TRUE;
return NeedCurrentDirectoryForExePathW( nameW );
}
/***********************************************************************
* NeedCurrentDirectoryForExePathW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH NeedCurrentDirectoryForExePathW( LPCWSTR name )
{
static const WCHAR env_name[] = {'N','o','D','e','f','a','u','l','t',
'C','u','r','r','e','n','t',
'D','i','r','e','c','t','o','r','y',
'I','n','E','x','e','P','a','t','h',0};
WCHAR env_val;
if (wcschr( name, '\\' )) return TRUE;
/* check the existence of the variable, not value */
return !GetEnvironmentVariableW( env_name, &env_val, 1 );
}
/***********************************************************************
* SetCurrentDirectoryA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCurrentDirectoryA( LPCSTR dir )
{
WCHAR *dirW;
UNICODE_STRING strW;
if (!(dirW = file_name_AtoW( dir, FALSE ))) return FALSE;
RtlInitUnicodeString( &strW, dirW );
return set_ntstatus( RtlSetCurrentDirectory_U( &strW ));
}
/***********************************************************************
* SetCurrentDirectoryW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCurrentDirectoryW( LPCWSTR dir )
{
UNICODE_STRING dirW;
RtlInitUnicodeString( &dirW, dir );
return set_ntstatus( RtlSetCurrentDirectory_U( &dirW ));
}
/**************************************************************************
* SetFileApisToANSI (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH SetFileApisToANSI(void)
{
oem_file_apis = FALSE;
}
/**************************************************************************
* SetFileApisToOEM (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH SetFileApisToOEM(void)
{
oem_file_apis = TRUE;
}
/**************************************************************************
* SetFileAttributesA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetFileAttributesA( LPCSTR name, DWORD attributes )
{
WCHAR *nameW;
if (!(nameW = file_name_AtoW( name, FALSE ))) return FALSE;
return SetFileAttributesW( nameW, attributes );
}
/**************************************************************************
* SetFileAttributesW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetFileAttributesW( LPCWSTR name, DWORD attributes )
{
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
NTSTATUS status;
HANDLE handle;
TRACE( "%s %x\n", debugstr_w(name), attributes );
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
RtlFreeUnicodeString( &nt_name );
if (status == STATUS_SUCCESS)
{
FILE_BASIC_INFORMATION info;
memset( &info, 0, sizeof(info) );
info.FileAttributes = attributes | FILE_ATTRIBUTE_NORMAL; /* make sure it's not zero */
status = NtSetInformationFile( handle, &io, &info, sizeof(info), FileBasicInformation );
NtClose( handle );
}
return set_ntstatus( status );
}
/***********************************************************************
* Wow64DisableWow64FsRedirection (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH Wow64DisableWow64FsRedirection( PVOID *old_value )
{
return set_ntstatus( RtlWow64EnableFsRedirectionEx( TRUE, (ULONG *)old_value ));
}
/***********************************************************************
* Wow64RevertWow64FsRedirection (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH Wow64RevertWow64FsRedirection( PVOID old_value )
{
return set_ntstatus( RtlWow64EnableFsRedirection( !old_value ));
}
/***********************************************************************
* Operations on file handles
***********************************************************************/
/***********************************************************************
* CancelIo (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CancelIo( HANDLE handle )
{
IO_STATUS_BLOCK io;
NtCancelIoFile( handle, &io );
return set_ntstatus( io.u.Status );
}
/***********************************************************************
* CancelIoEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CancelIoEx( HANDLE handle, LPOVERLAPPED overlapped )
{
IO_STATUS_BLOCK io;
NtCancelIoFileEx( handle, (PIO_STATUS_BLOCK)overlapped, &io );
return set_ntstatus( io.u.Status );
}
/***********************************************************************
* CancelSynchronousIo (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CancelSynchronousIo( HANDLE thread )
{
FIXME( "(%p): stub\n", thread );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* FlushFileBuffers (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH 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 ));
}
/***********************************************************************
* GetFileInformationByHandle (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetFileInformationByHandle( HANDLE file, BY_HANDLE_FILE_INFORMATION *info )
{
FILE_ALL_INFORMATION all_info;
IO_STATUS_BLOCK io;
NTSTATUS status;
status = NtQueryInformationFile( file, &io, &all_info, sizeof(all_info), FileAllInformation );
if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
if (!set_ntstatus( status )) return FALSE;
info->dwFileAttributes = all_info.BasicInformation.FileAttributes;
info->ftCreationTime.dwHighDateTime = all_info.BasicInformation.CreationTime.u.HighPart;
info->ftCreationTime.dwLowDateTime = all_info.BasicInformation.CreationTime.u.LowPart;
info->ftLastAccessTime.dwHighDateTime = all_info.BasicInformation.LastAccessTime.u.HighPart;
info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart;
info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart;
info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart;
info->dwVolumeSerialNumber = 0; /* FIXME */
info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart;
info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart;
info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks;
info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart;
info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart;
return TRUE;
}
/***********************************************************************
* GetFileInformationByHandleEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetFileInformationByHandleEx( HANDLE handle, FILE_INFO_BY_HANDLE_CLASS class,
LPVOID info, DWORD size )
{
NTSTATUS status;
IO_STATUS_BLOCK io;
switch (class)
{
case FileStreamInfo:
case FileCompressionInfo:
case FileAttributeTagInfo:
case FileRemoteProtocolInfo:
case FileFullDirectoryInfo:
case FileFullDirectoryRestartInfo:
case FileStorageInfo:
case FileAlignmentInfo:
case FileIdExtdDirectoryInfo:
case FileIdExtdDirectoryRestartInfo:
FIXME( "%p, %u, %p, %u\n", handle, class, info, size );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
case FileBasicInfo:
status = NtQueryInformationFile( handle, &io, info, size, FileBasicInformation );
break;
case FileStandardInfo:
status = NtQueryInformationFile( handle, &io, info, size, FileStandardInformation );
break;
case FileNameInfo:
status = NtQueryInformationFile( handle, &io, info, size, FileNameInformation );
break;
case FileIdInfo:
status = NtQueryInformationFile( handle, &io, info, size, FileIdInformation );
break;
case FileIdBothDirectoryRestartInfo:
case FileIdBothDirectoryInfo:
status = NtQueryDirectoryFile( handle, NULL, NULL, NULL, &io, info, size,
FileIdBothDirectoryInformation, FALSE, NULL,
(class == FileIdBothDirectoryRestartInfo) );
break;
case FileRenameInfo:
case FileDispositionInfo:
case FileAllocationInfo:
case FileIoPriorityHintInfo:
case FileEndOfFileInfo:
default:
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
return set_ntstatus( status );
}
/***********************************************************************
* GetFileSize (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetFileSize( HANDLE file, LPDWORD size_high )
{
LARGE_INTEGER size;
if (!GetFileSizeEx( file, &size )) return INVALID_FILE_SIZE;
if (size_high) *size_high = size.u.HighPart;
if (size.u.LowPart == INVALID_FILE_SIZE) SetLastError( 0 );
return size.u.LowPart;
}
/***********************************************************************
* GetFileSizeEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetFileSizeEx( HANDLE file, PLARGE_INTEGER size )
{
FILE_STANDARD_INFORMATION info;
IO_STATUS_BLOCK io;
if (is_console_handle( file ))
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
if (!set_ntstatus( NtQueryInformationFile( file, &io, &info, sizeof(info), FileStandardInformation )))
return FALSE;
*size = info.EndOfFile;
return TRUE;
}
/***********************************************************************
* GetFileTime (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetFileTime( HANDLE file, FILETIME *creation,
FILETIME *access, FILETIME *write )
{
FILE_BASIC_INFORMATION info;
IO_STATUS_BLOCK io;
if (!set_ntstatus( NtQueryInformationFile( file, &io, &info, sizeof(info), FileBasicInformation )))
return FALSE;
if (creation)
{
creation->dwHighDateTime = info.CreationTime.u.HighPart;
creation->dwLowDateTime = info.CreationTime.u.LowPart;
}
if (access)
{
access->dwHighDateTime = info.LastAccessTime.u.HighPart;
access->dwLowDateTime = info.LastAccessTime.u.LowPart;
}
if (write)
{
write->dwHighDateTime = info.LastWriteTime.u.HighPart;
write->dwLowDateTime = info.LastWriteTime.u.LowPart;
}
return TRUE;
}
/***********************************************************************
* GetFileType (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetFileType( HANDLE file )
{
FILE_FS_DEVICE_INFORMATION info;
IO_STATUS_BLOCK io;
if (file == (HANDLE)STD_INPUT_HANDLE ||
file == (HANDLE)STD_OUTPUT_HANDLE ||
file == (HANDLE)STD_ERROR_HANDLE)
file = GetStdHandle( (DWORD_PTR)file );
if (is_console_handle( file )) return FILE_TYPE_CHAR;
if (!set_ntstatus( NtQueryVolumeInformationFile( file, &io, &info, sizeof(info),
FileFsDeviceInformation )))
return FILE_TYPE_UNKNOWN;
switch (info.DeviceType)
{
case FILE_DEVICE_NULL:
case FILE_DEVICE_SERIAL_PORT:
case FILE_DEVICE_PARALLEL_PORT:
case FILE_DEVICE_TAPE:
case FILE_DEVICE_UNKNOWN:
return FILE_TYPE_CHAR;
case FILE_DEVICE_NAMED_PIPE:
return FILE_TYPE_PIPE;
default:
return FILE_TYPE_DISK;
}
}
/***********************************************************************
* GetOverlappedResult (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetOverlappedResult( HANDLE file, LPOVERLAPPED overlapped,
LPDWORD result, BOOL wait )
{
NTSTATUS status;
TRACE( "(%p %p %p %x)\n", file, overlapped, result, wait );
status = overlapped->Internal;
if (status == STATUS_PENDING)
{
if (!wait)
{
SetLastError( ERROR_IO_INCOMPLETE );
return FALSE;
}
if (WaitForSingleObject( overlapped->hEvent ? overlapped->hEvent : file, INFINITE ) == WAIT_FAILED)
return FALSE;
status = overlapped->Internal;
if (status == STATUS_PENDING) status = STATUS_SUCCESS;
}
*result = overlapped->InternalHigh;
return set_ntstatus( status );
}
/**************************************************************************
* LockFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH LockFile( HANDLE file, DWORD offset_low, DWORD offset_high,
DWORD count_low, DWORD count_high )
{
LARGE_INTEGER count, offset;
TRACE( "%p %x%08x %x%08x\n", file, offset_high, offset_low, count_high, count_low );
count.u.LowPart = count_low;
count.u.HighPart = count_high;
offset.u.LowPart = offset_low;
offset.u.HighPart = offset_high;
return set_ntstatus( NtLockFile( file, 0, NULL, NULL, NULL, &offset, &count, NULL, TRUE, TRUE ));
}
/**************************************************************************
* LockFileEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH LockFileEx( HANDLE file, DWORD flags, DWORD reserved,
DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
{
LARGE_INTEGER count, offset;
LPVOID cvalue = NULL;
if (reserved)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
TRACE( "%p %x%08x %x%08x flags %x\n",
file, overlapped->u.s.OffsetHigh, overlapped->u.s.Offset, count_high, count_low, flags );
count.u.LowPart = count_low;
count.u.HighPart = count_high;
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
return set_ntstatus( NtLockFile( file, overlapped->hEvent, NULL, cvalue,
NULL, &offset, &count, NULL,
flags & LOCKFILE_FAIL_IMMEDIATELY,
flags & LOCKFILE_EXCLUSIVE_LOCK ));
}
/***********************************************************************
* OpenFileById (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenFileById( HANDLE handle, LPFILE_ID_DESCRIPTOR id, DWORD access,
DWORD share, LPSECURITY_ATTRIBUTES sec_attr, DWORD flags )
{
UINT options;
HANDLE result;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
UNICODE_STRING objectName;
if (!id)
{
SetLastError( ERROR_INVALID_PARAMETER );
return INVALID_HANDLE_VALUE;
}
options = FILE_OPEN_BY_FILE_ID;
if (flags & FILE_FLAG_BACKUP_SEMANTICS)
options |= FILE_OPEN_FOR_BACKUP_INTENT;
else
options |= FILE_NON_DIRECTORY_FILE;
if (flags & FILE_FLAG_NO_BUFFERING) options |= FILE_NO_INTERMEDIATE_BUFFERING;
if (!(flags & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
if (flags & FILE_FLAG_RANDOM_ACCESS) options |= FILE_RANDOM_ACCESS;
flags &= FILE_ATTRIBUTE_VALID_FLAGS;
objectName.Length = sizeof(ULONGLONG);
objectName.Buffer = (WCHAR *)&id->u.FileId;
attr.Length = sizeof(attr);
attr.RootDirectory = handle;
attr.Attributes = 0;
attr.ObjectName = &objectName;
attr.SecurityDescriptor = sec_attr ? sec_attr->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (sec_attr && sec_attr->bInheritHandle) attr.Attributes |= OBJ_INHERIT;
if (!set_ntstatus( NtCreateFile( &result, access | SYNCHRONIZE, &attr, &io, NULL, flags,
share, OPEN_EXISTING, options, NULL, 0 )))
return INVALID_HANDLE_VALUE;
return result;
}
/***********************************************************************
* ReOpenFile (kernelbase.@)
*/
HANDLE WINAPI /* DECLSPEC_HOTPATCH */ ReOpenFile( HANDLE handle, DWORD access, DWORD sharing, DWORD flags )
{
FIXME( "(%p, %d, %d, %d): stub\n", handle, access, sharing, flags );
return INVALID_HANDLE_VALUE;
}
static void WINAPI invoke_completion( void *context, IO_STATUS_BLOCK *io, ULONG res )
{
LPOVERLAPPED_COMPLETION_ROUTINE completion = context;
completion( io->u.Status, io->Information, (LPOVERLAPPED)io );
}
/****************************************************************************
* ReadDirectoryChangesW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReadDirectoryChangesW( HANDLE handle, LPVOID buffer, DWORD len,
BOOL subtree, DWORD filter, LPDWORD returned,
LPOVERLAPPED overlapped,
LPOVERLAPPED_COMPLETION_ROUTINE completion )
{
OVERLAPPED ov, *pov;
IO_STATUS_BLOCK *ios;
NTSTATUS status;
LPVOID cvalue = NULL;
TRACE( "%p %p %08x %d %08x %p %p %p\n",
handle, buffer, len, subtree, filter, returned, overlapped, completion );
if (!overlapped)
{
memset( &ov, 0, sizeof ov );
ov.hEvent = CreateEventW( NULL, 0, 0, NULL );
pov = &ov;
}
else
{
pov = overlapped;
if (completion) cvalue = completion;
else if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
}
ios = (PIO_STATUS_BLOCK)pov;
ios->u.Status = STATUS_PENDING;
status = NtNotifyChangeDirectoryFile( handle, completion && overlapped ? NULL : pov->hEvent,
completion && overlapped ? invoke_completion : NULL,
cvalue, ios, buffer, len, filter, subtree );
if (status == STATUS_PENDING)
{
if (overlapped) return TRUE;
WaitForSingleObjectEx( ov.hEvent, INFINITE, TRUE );
if (returned) *returned = ios->Information;
status = ios->u.Status;
}
if (!overlapped) CloseHandle( ov.hEvent );
return set_ntstatus( status );
}
/***********************************************************************
* ReadFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReadFile( HANDLE file, LPVOID buffer, DWORD count,
LPDWORD result, LPOVERLAPPED overlapped )
{
LARGE_INTEGER offset;
PLARGE_INTEGER poffset = NULL;
IO_STATUS_BLOCK iosb;
PIO_STATUS_BLOCK io_status = &iosb;
HANDLE event = 0;
NTSTATUS status;
LPVOID cvalue = NULL;
TRACE( "%p %p %d %p %p\n", file, buffer, count, result, 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;
}
if (overlapped)
{
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
poffset = &offset;
event = overlapped->hEvent;
io_status = (PIO_STATUS_BLOCK)overlapped;
if (((ULONG_PTR)event & 1) == 0) cvalue = overlapped;
}
else io_status->Information = 0;
io_status->u.Status = STATUS_PENDING;
status = NtReadFile( file, event, NULL, cvalue, io_status, buffer, count, poffset, NULL);
if (status == STATUS_PENDING && !overlapped)
{
WaitForSingleObject( file, INFINITE );
status = io_status->u.Status;
}
if (result) *result = overlapped && status ? 0 : io_status->Information;
if (status == STATUS_END_OF_FILE)
{
if (overlapped != NULL)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
}
else if (status && status != STATUS_TIMEOUT)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* ReadFileEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReadFileEx( HANDLE file, LPVOID buffer, DWORD count, LPOVERLAPPED overlapped,
LPOVERLAPPED_COMPLETION_ROUTINE completion )
{
PIO_STATUS_BLOCK io;
LARGE_INTEGER offset;
NTSTATUS status;
TRACE( "(file=%p, buffer=%p, bytes=%u, ovl=%p, ovl_fn=%p)\n",
file, buffer, count, overlapped, completion );
if (!overlapped)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
io = (PIO_STATUS_BLOCK)overlapped;
io->u.Status = STATUS_PENDING;
io->Information = 0;
status = NtReadFile( file, NULL, read_write_apc, completion, io, buffer, count, &offset, NULL);
if (status == STATUS_PENDING) return TRUE;
return set_ntstatus( status );
}
/***********************************************************************
* ReadFileScatter (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
LPDWORD reserved, LPOVERLAPPED overlapped )
{
PIO_STATUS_BLOCK io;
LARGE_INTEGER offset;
void *cvalue = NULL;
TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
if (!((ULONG_PTR)overlapped->hEvent & 1)) cvalue = overlapped;
io = (PIO_STATUS_BLOCK)overlapped;
io->u.Status = STATUS_PENDING;
io->Information = 0;
return set_ntstatus( NtReadFileScatter( file, overlapped->hEvent, NULL, cvalue, io,
segments, count, &offset, NULL ));
}
/**************************************************************************
* SetEndOfFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetEndOfFile( HANDLE file )
{
FILE_POSITION_INFORMATION pos;
FILE_END_OF_FILE_INFORMATION eof;
IO_STATUS_BLOCK io;
NTSTATUS status;
if (!(status = NtQueryInformationFile( file, &io, &pos, sizeof(pos), FilePositionInformation )))
{
eof.EndOfFile = pos.CurrentByteOffset;
status = NtSetInformationFile( file, &io, &eof, sizeof(eof), FileEndOfFileInformation );
}
return set_ntstatus( status );
}
/***********************************************************************
* SetFileInformationByHandle (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetFileInformationByHandle( HANDLE file, FILE_INFO_BY_HANDLE_CLASS class,
void *info, DWORD size )
{
NTSTATUS status;
IO_STATUS_BLOCK io;
TRACE( "%p %u %p %u\n", file, class, info, size );
switch (class)
{
case FileNameInfo:
case FileRenameInfo:
case FileAllocationInfo:
case FileEndOfFileInfo:
case FileStreamInfo:
case FileIdBothDirectoryInfo:
case FileIdBothDirectoryRestartInfo:
case FileFullDirectoryInfo:
case FileFullDirectoryRestartInfo:
case FileStorageInfo:
case FileAlignmentInfo:
case FileIdInfo:
case FileIdExtdDirectoryInfo:
case FileIdExtdDirectoryRestartInfo:
FIXME( "%p, %u, %p, %u\n", file, class, info, size );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
case FileBasicInfo:
status = NtSetInformationFile( file, &io, info, size, FileBasicInformation );
break;
case FileDispositionInfo:
status = NtSetInformationFile( file, &io, info, size, FileDispositionInformation );
break;
case FileIoPriorityHintInfo:
status = NtSetInformationFile( file, &io, info, size, FileIoPriorityHintInformation );
break;
case FileStandardInfo:
case FileCompressionInfo:
case FileAttributeTagInfo:
case FileRemoteProtocolInfo:
default:
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
return set_ntstatus( status );
}
/***********************************************************************
* SetFilePointer (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH SetFilePointer( HANDLE file, LONG distance, LONG *highword, DWORD method )
{
LARGE_INTEGER dist, newpos;
if (highword)
{
dist.u.LowPart = distance;
dist.u.HighPart = *highword;
}
else dist.QuadPart = distance;
if (!SetFilePointerEx( file, dist, &newpos, method )) return INVALID_SET_FILE_POINTER;
if (highword) *highword = newpos.u.HighPart;
if (newpos.u.LowPart == INVALID_SET_FILE_POINTER) SetLastError( 0 );
return newpos.u.LowPart;
}
/***********************************************************************
* SetFilePointerEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetFilePointerEx( HANDLE file, LARGE_INTEGER distance,
LARGE_INTEGER *newpos, DWORD method )
{
LONGLONG pos;
IO_STATUS_BLOCK io;
FILE_POSITION_INFORMATION info;
FILE_END_OF_FILE_INFORMATION eof;
switch(method)
{
case FILE_BEGIN:
pos = distance.QuadPart;
break;
case FILE_CURRENT:
if (NtQueryInformationFile( file, &io, &info, sizeof(info), FilePositionInformation ))
goto error;
pos = info.CurrentByteOffset.QuadPart + distance.QuadPart;
break;
case FILE_END:
if (NtQueryInformationFile( file, &io, &eof, sizeof(eof), FileEndOfFileInformation ))
goto error;
pos = eof.EndOfFile.QuadPart + distance.QuadPart;
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (pos < 0)
{
SetLastError( ERROR_NEGATIVE_SEEK );
return FALSE;
}
info.CurrentByteOffset.QuadPart = pos;
if (!NtSetInformationFile( file, &io, &info, sizeof(info), FilePositionInformation ))
{
if (newpos) newpos->QuadPart = pos;
return TRUE;
}
error:
return set_ntstatus( io.u.Status );
}
/***********************************************************************
* SetFileTime (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetFileTime( HANDLE file, const FILETIME *ctime,
const FILETIME *atime, const FILETIME *mtime )
{
FILE_BASIC_INFORMATION info;
IO_STATUS_BLOCK io;
memset( &info, 0, sizeof(info) );
if (ctime)
{
info.CreationTime.u.HighPart = ctime->dwHighDateTime;
info.CreationTime.u.LowPart = ctime->dwLowDateTime;
}
if (atime)
{
info.LastAccessTime.u.HighPart = atime->dwHighDateTime;
info.LastAccessTime.u.LowPart = atime->dwLowDateTime;
}
if (mtime)
{
info.LastWriteTime.u.HighPart = mtime->dwHighDateTime;
info.LastWriteTime.u.LowPart = mtime->dwLowDateTime;
}
return set_ntstatus( NtSetInformationFile( file, &io, &info, sizeof(info), FileBasicInformation ));
}
/***********************************************************************
* SetFileValidData (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetFileValidData( HANDLE file, LONGLONG length )
{
FILE_VALID_DATA_LENGTH_INFORMATION info;
IO_STATUS_BLOCK io;
info.ValidDataLength.QuadPart = length;
return set_ntstatus( NtSetInformationFile( file, &io, &info, sizeof(info),
FileValidDataLengthInformation ));
}
/**************************************************************************
* UnlockFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH UnlockFile( HANDLE file, DWORD offset_low, DWORD offset_high,
DWORD count_low, DWORD count_high )
{
LARGE_INTEGER count, offset;
count.u.LowPart = count_low;
count.u.HighPart = count_high;
offset.u.LowPart = offset_low;
offset.u.HighPart = offset_high;
return set_ntstatus( NtUnlockFile( file, NULL, &offset, &count, NULL ));
}
/**************************************************************************
* UnlockFileEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH UnlockFileEx( HANDLE file, DWORD reserved,
DWORD count_low, DWORD count_high, LPOVERLAPPED overlapped )
{
if (reserved)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (overlapped->hEvent) FIXME("Unimplemented overlapped operation\n");
return UnlockFile( file, overlapped->u.s.Offset, overlapped->u.s.OffsetHigh, count_low, count_high );
}
/***********************************************************************
* WriteFile (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH WriteFile( HANDLE file, LPCVOID buffer, DWORD count,
LPDWORD result, LPOVERLAPPED overlapped )
{
HANDLE event = NULL;
LARGE_INTEGER offset;
PLARGE_INTEGER poffset = NULL;
NTSTATUS status;
IO_STATUS_BLOCK iosb;
PIO_STATUS_BLOCK piosb = &iosb;
LPVOID cvalue = NULL;
TRACE( "%p %p %d %p %p\n", file, buffer, count, result, overlapped );
if (is_console_handle( file )) return WriteConsoleA( file, buffer, count, result, NULL);
if (overlapped)
{
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
poffset = &offset;
event = overlapped->hEvent;
piosb = (PIO_STATUS_BLOCK)overlapped;
if (((ULONG_PTR)event & 1) == 0) cvalue = overlapped;
}
else piosb->Information = 0;
piosb->u.Status = STATUS_PENDING;
status = NtWriteFile( file, event, NULL, cvalue, piosb, buffer, count, poffset, NULL );
if (status == STATUS_PENDING && !overlapped)
{
WaitForSingleObject( file, INFINITE );
status = piosb->u.Status;
}
if (result) *result = overlapped && status ? 0 : piosb->Information;
if (status && status != STATUS_TIMEOUT)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* WriteFileEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH WriteFileEx( HANDLE file, LPCVOID buffer,
DWORD count, LPOVERLAPPED overlapped,
LPOVERLAPPED_COMPLETION_ROUTINE completion )
{
LARGE_INTEGER offset;
NTSTATUS status;
PIO_STATUS_BLOCK io;
TRACE( "%p %p %d %p %p\n", file, buffer, count, overlapped, completion );
if (!overlapped)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
io = (PIO_STATUS_BLOCK)overlapped;
io->u.Status = STATUS_PENDING;
io->Information = 0;
status = NtWriteFile( file, NULL, read_write_apc, completion, io, buffer, count, &offset, NULL );
if (status == STATUS_PENDING) return TRUE;
return set_ntstatus( status );
}
/***********************************************************************
* WriteFileGather (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
LPDWORD reserved, LPOVERLAPPED overlapped )
{
PIO_STATUS_BLOCK io;
LARGE_INTEGER offset;
void *cvalue = NULL;
TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
if (!((ULONG_PTR)overlapped->hEvent & 1)) cvalue = overlapped;
io = (PIO_STATUS_BLOCK)overlapped;
io->u.Status = STATUS_PENDING;
io->Information = 0;
return set_ntstatus( NtWriteFileGather( file, overlapped->hEvent, NULL, cvalue,
io, segments, count, &offset, NULL ));
}
/***********************************************************************
* I/O controls
***********************************************************************/
static void dump_dcb( const DCB *dcb )
{
TRACE( "size=%d rate=%d fParity=%d Parity=%d stopbits=%d %sIXON %sIXOFF CTS=%d RTS=%d DSR=%d DTR=%d %sCRTSCTS\n",
dcb->ByteSize, dcb->BaudRate, dcb->fParity, dcb->Parity,
(dcb->StopBits == ONESTOPBIT) ? 1 : (dcb->StopBits == TWOSTOPBITS) ? 2 : 0,
dcb->fOutX ? "" : "~", dcb->fInX ? "" : "~",
dcb->fOutxCtsFlow, dcb->fRtsControl, dcb->fOutxDsrFlow, dcb->fDtrControl,
(dcb->fOutxCtsFlow || dcb->fRtsControl == RTS_CONTROL_HANDSHAKE) ? "" : "~" );
}
/*****************************************************************************
* ClearCommBreak (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ClearCommBreak( HANDLE handle )
{
return EscapeCommFunction( handle, CLRBREAK );
}
/*****************************************************************************
* ClearCommError (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ClearCommError( HANDLE handle, DWORD *errors, COMSTAT *stat )
{
SERIAL_STATUS ss;
if (!DeviceIoControl( handle, IOCTL_SERIAL_GET_COMMSTATUS, NULL, 0, &ss, sizeof(ss), NULL, NULL ))
return FALSE;
TRACE( "status %#x,%#x, in %u, out %u, eof %d, wait %d\n", ss.Errors, ss.HoldReasons,
ss.AmountInInQueue, ss.AmountInOutQueue, ss.EofReceived, ss.WaitForImmediate );
if (errors)
{
*errors = 0;
if (ss.Errors & SERIAL_ERROR_BREAK) *errors |= CE_BREAK;
if (ss.Errors & SERIAL_ERROR_FRAMING) *errors |= CE_FRAME;
if (ss.Errors & SERIAL_ERROR_OVERRUN) *errors |= CE_OVERRUN;
if (ss.Errors & SERIAL_ERROR_QUEUEOVERRUN) *errors |= CE_RXOVER;
if (ss.Errors & SERIAL_ERROR_PARITY) *errors |= CE_RXPARITY;
}
if (stat)
{
stat->fCtsHold = !!(ss.HoldReasons & SERIAL_TX_WAITING_FOR_CTS);
stat->fDsrHold = !!(ss.HoldReasons & SERIAL_TX_WAITING_FOR_DSR);
stat->fRlsdHold = !!(ss.HoldReasons & SERIAL_TX_WAITING_FOR_DCD);
stat->fXoffHold = !!(ss.HoldReasons & SERIAL_TX_WAITING_FOR_XON);
stat->fXoffSent = !!(ss.HoldReasons & SERIAL_TX_WAITING_XOFF_SENT);
stat->fEof = !!ss.EofReceived;
stat->fTxim = !!ss.WaitForImmediate;
stat->cbInQue = ss.AmountInInQueue;
stat->cbOutQue = ss.AmountInOutQueue;
}
return TRUE;
}
/****************************************************************************
* DeviceIoControl (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DeviceIoControl( HANDLE handle, DWORD code, void *in_buff, DWORD in_count,
void *out_buff, DWORD out_count, DWORD *returned,
OVERLAPPED *overlapped )
{
IO_STATUS_BLOCK iosb, *piosb = &iosb;
void *cvalue = NULL;
HANDLE event = 0;
NTSTATUS status;
TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
handle, code, in_buff, in_count, out_buff, out_count, returned, overlapped );
if (overlapped)
{
piosb = (IO_STATUS_BLOCK *)overlapped;
if (!((ULONG_PTR)overlapped->hEvent & 1)) cvalue = overlapped;
event = overlapped->hEvent;
overlapped->Internal = STATUS_PENDING;
overlapped->InternalHigh = 0;
}
if (HIWORD(code) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile( handle, event, NULL, cvalue, piosb, code,
in_buff, in_count, out_buff, out_count );
else
status = NtDeviceIoControlFile( handle, event, NULL, cvalue, piosb, code,
in_buff, in_count, out_buff, out_count );
if (returned) *returned = piosb->Information;
return set_ntstatus( status );
}
/*****************************************************************************
* EscapeCommFunction (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH EscapeCommFunction( HANDLE handle, DWORD func )
{
static const DWORD ioctls[] =
{
0,
IOCTL_SERIAL_SET_XOFF, /* SETXOFF */
IOCTL_SERIAL_SET_XON, /* SETXON */
IOCTL_SERIAL_SET_RTS, /* SETRTS */
IOCTL_SERIAL_CLR_RTS, /* CLRRTS */
IOCTL_SERIAL_SET_DTR, /* SETDTR */
IOCTL_SERIAL_CLR_DTR, /* CLRDTR */
IOCTL_SERIAL_RESET_DEVICE, /* RESETDEV */
IOCTL_SERIAL_SET_BREAK_ON, /* SETBREAK */
IOCTL_SERIAL_SET_BREAK_OFF /* CLRBREAK */
};
if (func >= ARRAY_SIZE(ioctls) || !ioctls[func])
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
return DeviceIoControl( handle, ioctls[func], NULL, 0, NULL, 0, NULL, NULL );
}
/***********************************************************************
* GetCommConfig (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCommConfig( HANDLE handle, COMMCONFIG *config, DWORD *size )
{
if (!config) return FALSE;
TRACE( "(%p, %p, %p %u)\n", handle, config, size, *size );
if (*size < sizeof(COMMCONFIG))
{
*size = sizeof(COMMCONFIG);
return FALSE;
}
*size = sizeof(COMMCONFIG);
config->dwSize = sizeof(COMMCONFIG);
config->wVersion = 1;
config->wReserved = 0;
config->dwProviderSubType = PST_RS232;
config->dwProviderOffset = 0;
config->dwProviderSize = 0;
return GetCommState( handle, &config->dcb );
}
/*****************************************************************************
* GetCommMask (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCommMask( HANDLE handle, DWORD *mask )
{
return DeviceIoControl( handle, IOCTL_SERIAL_GET_WAIT_MASK, NULL, 0, mask, sizeof(*mask),
NULL, NULL );
}
/***********************************************************************
* GetCommModemStatus (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCommModemStatus( HANDLE handle, DWORD *status )
{
return DeviceIoControl( handle, IOCTL_SERIAL_GET_MODEMSTATUS, NULL, 0, status, sizeof(*status),
NULL, NULL );
}
/***********************************************************************
* GetCommProperties (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCommProperties( HANDLE handle, COMMPROP *prop )
{
return DeviceIoControl( handle, IOCTL_SERIAL_GET_PROPERTIES, NULL, 0, prop, sizeof(*prop), NULL, NULL );
}
/*****************************************************************************
* GetCommState (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCommState( HANDLE handle, DCB *dcb )
{
SERIAL_BAUD_RATE sbr;
SERIAL_LINE_CONTROL slc;
SERIAL_HANDFLOW shf;
SERIAL_CHARS sc;
if (!dcb)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!DeviceIoControl(handle, IOCTL_SERIAL_GET_BAUD_RATE, NULL, 0, &sbr, sizeof(sbr), NULL, NULL) ||
!DeviceIoControl(handle, IOCTL_SERIAL_GET_LINE_CONTROL, NULL, 0, &slc, sizeof(slc), NULL, NULL) ||
!DeviceIoControl(handle, IOCTL_SERIAL_GET_HANDFLOW, NULL, 0, &shf, sizeof(shf), NULL, NULL) ||
!DeviceIoControl(handle, IOCTL_SERIAL_GET_CHARS, NULL, 0, &sc, sizeof(sc), NULL, NULL))
return FALSE;
dcb->DCBlength = sizeof(*dcb);
dcb->BaudRate = sbr.BaudRate;
/* yes, they seem no never be (re)set on NT */
dcb->fBinary = 1;
dcb->fParity = 0;
dcb->fOutxCtsFlow = !!(shf.ControlHandShake & SERIAL_CTS_HANDSHAKE);
dcb->fOutxDsrFlow = !!(shf.ControlHandShake & SERIAL_DSR_HANDSHAKE);
dcb->fDsrSensitivity = !!(shf.ControlHandShake & SERIAL_DSR_SENSITIVITY);
dcb->fTXContinueOnXoff = !!(shf.FlowReplace & SERIAL_XOFF_CONTINUE);
dcb->fOutX = !!(shf.FlowReplace & SERIAL_AUTO_TRANSMIT);
dcb->fInX = !!(shf.FlowReplace & SERIAL_AUTO_RECEIVE);
dcb->fErrorChar = !!(shf.FlowReplace & SERIAL_ERROR_CHAR);
dcb->fNull = !!(shf.FlowReplace & SERIAL_NULL_STRIPPING);
dcb->fAbortOnError = !!(shf.ControlHandShake & SERIAL_ERROR_ABORT);
dcb->XonLim = shf.XonLimit;
dcb->XoffLim = shf.XoffLimit;
dcb->ByteSize = slc.WordLength;
dcb->Parity = slc.Parity;
dcb->StopBits = slc.StopBits;
dcb->XonChar = sc.XonChar;
dcb->XoffChar = sc.XoffChar;
dcb->ErrorChar = sc.ErrorChar;
dcb->EofChar = sc.EofChar;
dcb->EvtChar = sc.EventChar;
switch (shf.ControlHandShake & (SERIAL_DTR_CONTROL | SERIAL_DTR_HANDSHAKE))
{
case SERIAL_DTR_CONTROL: dcb->fDtrControl = DTR_CONTROL_ENABLE; break;
case SERIAL_DTR_HANDSHAKE: dcb->fDtrControl = DTR_CONTROL_HANDSHAKE; break;
default: dcb->fDtrControl = DTR_CONTROL_DISABLE; break;
}
switch (shf.FlowReplace & (SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE))
{
case SERIAL_RTS_CONTROL: dcb->fRtsControl = RTS_CONTROL_ENABLE; break;
case SERIAL_RTS_HANDSHAKE: dcb->fRtsControl = RTS_CONTROL_HANDSHAKE; break;
case SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE:
dcb->fRtsControl = RTS_CONTROL_TOGGLE; break;
default: dcb->fRtsControl = RTS_CONTROL_DISABLE; break;
}
dump_dcb( dcb );
return TRUE;
}
/*****************************************************************************
* GetCommTimeouts (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCommTimeouts( HANDLE handle, COMMTIMEOUTS *timeouts )
{
if (!timeouts)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
return DeviceIoControl( handle, IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, timeouts, sizeof(*timeouts),
NULL, NULL );
}
/********************************************************************
* PurgeComm (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH PurgeComm(HANDLE handle, DWORD flags)
{
return DeviceIoControl( handle, IOCTL_SERIAL_PURGE, &flags, sizeof(flags),
NULL, 0, NULL, NULL );
}
/*****************************************************************************
* SetCommBreak (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCommBreak( HANDLE handle )
{
return EscapeCommFunction( handle, SETBREAK );
}
/***********************************************************************
* SetCommConfig (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCommConfig( HANDLE handle, COMMCONFIG *config, DWORD size )
{
TRACE( "(%p, %p, %u)\n", handle, config, size );
return SetCommState( handle, &config->dcb );
}
/*****************************************************************************
* SetCommMask (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCommMask( HANDLE handle, DWORD mask )
{
return DeviceIoControl( handle, IOCTL_SERIAL_SET_WAIT_MASK, &mask, sizeof(mask),
NULL, 0, NULL, NULL );
}
/*****************************************************************************
* SetCommState (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCommState( HANDLE handle, DCB *dcb )
{
SERIAL_BAUD_RATE sbr;
SERIAL_LINE_CONTROL slc;
SERIAL_HANDFLOW shf;
SERIAL_CHARS sc;
if (!dcb)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
dump_dcb( dcb );
sbr.BaudRate = dcb->BaudRate;
slc.StopBits = dcb->StopBits;
slc.Parity = dcb->Parity;
slc.WordLength = dcb->ByteSize;
shf.ControlHandShake = 0;
shf.FlowReplace = 0;
if (dcb->fOutxCtsFlow) shf.ControlHandShake |= SERIAL_CTS_HANDSHAKE;
if (dcb->fOutxDsrFlow) shf.ControlHandShake |= SERIAL_DSR_HANDSHAKE;
switch (dcb->fDtrControl)
{
case DTR_CONTROL_DISABLE: break;
case DTR_CONTROL_ENABLE: shf.ControlHandShake |= SERIAL_DTR_CONTROL; break;
case DTR_CONTROL_HANDSHAKE: shf.ControlHandShake |= SERIAL_DTR_HANDSHAKE; break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
switch (dcb->fRtsControl)
{
case RTS_CONTROL_DISABLE: break;
case RTS_CONTROL_ENABLE: shf.FlowReplace |= SERIAL_RTS_CONTROL; break;
case RTS_CONTROL_HANDSHAKE: shf.FlowReplace |= SERIAL_RTS_HANDSHAKE; break;
case RTS_CONTROL_TOGGLE: shf.FlowReplace |= SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE; break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (dcb->fDsrSensitivity) shf.ControlHandShake |= SERIAL_DSR_SENSITIVITY;
if (dcb->fAbortOnError) shf.ControlHandShake |= SERIAL_ERROR_ABORT;
if (dcb->fErrorChar) shf.FlowReplace |= SERIAL_ERROR_CHAR;
if (dcb->fNull) shf.FlowReplace |= SERIAL_NULL_STRIPPING;
if (dcb->fTXContinueOnXoff) shf.FlowReplace |= SERIAL_XOFF_CONTINUE;
if (dcb->fOutX) shf.FlowReplace |= SERIAL_AUTO_TRANSMIT;
if (dcb->fInX) shf.FlowReplace |= SERIAL_AUTO_RECEIVE;
shf.XonLimit = dcb->XonLim;
shf.XoffLimit = dcb->XoffLim;
sc.EofChar = dcb->EofChar;
sc.ErrorChar = dcb->ErrorChar;
sc.BreakChar = 0;
sc.EventChar = dcb->EvtChar;
sc.XonChar = dcb->XonChar;
sc.XoffChar = dcb->XoffChar;
/* note: change DTR/RTS lines after setting the comm attributes,
* so flow control does not interfere.
*/
return (DeviceIoControl( handle, IOCTL_SERIAL_SET_BAUD_RATE, &sbr, sizeof(sbr), NULL, 0, NULL, NULL ) &&
DeviceIoControl( handle, IOCTL_SERIAL_SET_LINE_CONTROL, &slc, sizeof(slc), NULL, 0, NULL, NULL ) &&
DeviceIoControl( handle, IOCTL_SERIAL_SET_HANDFLOW, &shf, sizeof(shf), NULL, 0, NULL, NULL ) &&
DeviceIoControl( handle, IOCTL_SERIAL_SET_CHARS, &sc, sizeof(sc), NULL, 0, NULL, NULL ));
}
/*****************************************************************************
* SetCommTimeouts (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCommTimeouts( HANDLE handle, COMMTIMEOUTS *timeouts )
{
if (!timeouts)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
return DeviceIoControl( handle, IOCTL_SERIAL_SET_TIMEOUTS, timeouts, sizeof(*timeouts),
NULL, 0, NULL, NULL );
}
/*****************************************************************************
* SetupComm (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetupComm( HANDLE handle, DWORD in_size, DWORD out_size )
{
SERIAL_QUEUE_SIZE sqs;
sqs.InSize = in_size;
sqs.OutSize = out_size;
return DeviceIoControl( handle, IOCTL_SERIAL_SET_QUEUE_SIZE, &sqs, sizeof(sqs), NULL, 0, NULL, NULL );
}
/*****************************************************************************
* TransmitCommChar (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH TransmitCommChar( HANDLE handle, CHAR ch )
{
return DeviceIoControl( handle, IOCTL_SERIAL_IMMEDIATE_CHAR, &ch, sizeof(ch), NULL, 0, NULL, NULL );
}
/***********************************************************************
* WaitCommEvent (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH WaitCommEvent( HANDLE handle, DWORD *events, OVERLAPPED *overlapped )
{
return DeviceIoControl( handle, IOCTL_SERIAL_WAIT_ON_MASK, NULL, 0, events, sizeof(*events),
NULL, overlapped );
}
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