Sweden-Number/dlls/kernel32/tests/change.c

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/*
* Tests for file change notification functions
*
* Copyright (c) 2004 Hans Leidekker
* Copyright 2006 Mike McCormack for CodeWeavers
*
* 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
*/
/* TODO: - security attribute changes
* - compound filter and multiple notifications
* - subtree notifications
* - non-documented flags FILE_NOTIFY_CHANGE_LAST_ACCESS and
* FILE_NOTIFY_CHANGE_CREATION
*/
#include <stdarg.h>
#include <stdio.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "wine/test.h"
#include <windef.h>
#include <winbase.h>
#include <winternl.h>
static DWORD CALLBACK NotificationThread(LPVOID arg)
{
HANDLE change = arg;
BOOL notified = FALSE;
BOOL ret = FALSE;
DWORD status;
status = WaitForSingleObject(change, 100);
if (status == WAIT_OBJECT_0 ) {
notified = TRUE;
FindNextChangeNotification(change);
}
ret = FindCloseChangeNotification(change);
ok( ret, "FindCloseChangeNotification error: %d\n",
GetLastError());
ExitThread((DWORD)notified);
}
static HANDLE StartNotificationThread(LPCSTR path, BOOL subtree, DWORD flags)
{
HANDLE change, thread;
DWORD threadId;
change = FindFirstChangeNotificationA(path, subtree, flags);
ok(change != INVALID_HANDLE_VALUE, "FindFirstChangeNotification error: %d\n", GetLastError());
thread = CreateThread(NULL, 0, NotificationThread, change, 0, &threadId);
ok(thread != NULL, "CreateThread error: %d\n", GetLastError());
return thread;
}
static DWORD FinishNotificationThread(HANDLE thread)
{
DWORD status, exitcode;
status = WaitForSingleObject(thread, 5000);
ok(status == WAIT_OBJECT_0, "WaitForSingleObject status %d error %d\n", status, GetLastError());
ok(GetExitCodeThread(thread, &exitcode), "Could not retrieve thread exit code\n");
CloseHandle(thread);
return exitcode;
}
static void test_FindFirstChangeNotification(void)
{
HANDLE change, file, thread;
DWORD attributes, count;
BOOL ret;
char workdir[MAX_PATH], dirname1[MAX_PATH], dirname2[MAX_PATH];
char filename1[MAX_PATH], filename2[MAX_PATH];
static const char prefix[] = "FCN";
char buffer[2048];
/* pathetic checks */
change = FindFirstChangeNotificationA("not-a-file", FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
ok(change == INVALID_HANDLE_VALUE, "Expected INVALID_HANDLE_VALUE, got %p\n", change);
ok(GetLastError() == ERROR_FILE_NOT_FOUND ||
GetLastError() == ERROR_NO_MORE_FILES, /* win95 */
"FindFirstChangeNotification error: %d\n", GetLastError());
if (0) /* This documents win2k behavior. It crashes on win98. */
{
change = FindFirstChangeNotificationA(NULL, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
ok(change == NULL && GetLastError() == ERROR_PATH_NOT_FOUND,
"FindFirstChangeNotification error: %d\n", GetLastError());
}
ret = FindNextChangeNotification(NULL);
ok(!ret && GetLastError() == ERROR_INVALID_HANDLE, "FindNextChangeNotification error: %d\n",
GetLastError());
ret = FindCloseChangeNotification(NULL);
ok(!ret && GetLastError() == ERROR_INVALID_HANDLE, "FindCloseChangeNotification error: %d\n",
GetLastError());
ret = GetTempPathA(MAX_PATH, workdir);
ok(ret, "GetTempPathA error: %d\n", GetLastError());
lstrcatA(workdir, "testFileChangeNotification");
ret = CreateDirectoryA(workdir, NULL);
ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
ret = GetTempFileNameA(workdir, prefix, 0, filename1);
ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
file = CreateFileA(filename1, GENERIC_WRITE|GENERIC_READ, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, 0);
ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
ret = CloseHandle(file);
ok( ret, "CloseHandle error: %d\n", GetLastError());
/* Try to register notification for a file. win98 and win2k behave differently here */
change = FindFirstChangeNotificationA(filename1, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
ok(change == INVALID_HANDLE_VALUE && (GetLastError() == ERROR_DIRECTORY ||
GetLastError() == ERROR_FILE_NOT_FOUND),
"FindFirstChangeNotification error: %d\n", GetLastError());
lstrcpyA(dirname1, filename1);
lstrcatA(dirname1, "dir");
lstrcpyA(dirname2, dirname1);
lstrcatA(dirname2, "new");
ret = CreateDirectoryA(dirname1, NULL);
ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
/* What if we move the directory we registered notification for? */
thread = StartNotificationThread(dirname1, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
ret = MoveFileA(dirname1, dirname2);
ok(ret, "MoveFileA error: %d\n", GetLastError());
/* win9x and win2k behave differently here, don't check result */
FinishNotificationThread(thread);
/* What if we remove the directory we registered notification for? */
thread = StartNotificationThread(dirname2, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
ret = RemoveDirectoryA(dirname2);
ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
/* win9x and win2k behave differently here, don't check result */
FinishNotificationThread(thread);
/* functional checks */
/* Create a directory */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
ret = CreateDirectoryA(dirname1, NULL);
ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* Rename a directory */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
ret = MoveFileA(dirname1, dirname2);
ok(ret, "MoveFileA error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* Delete a directory */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
ret = RemoveDirectoryA(dirname2);
ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
lstrcpyA(filename2, filename1);
lstrcatA(filename2, "new");
/* Rename a file */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
ret = MoveFileA(filename1, filename2);
ok(ret, "MoveFileA error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* Delete a file */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
ret = DeleteFileA(filename2);
ok(ret, "DeleteFileA error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* Create a file */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
file = CreateFileA(filename2, GENERIC_WRITE|GENERIC_READ, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, 0);
ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
ret = CloseHandle(file);
ok( ret, "CloseHandle error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
attributes = GetFileAttributesA(filename2);
ok(attributes != INVALID_FILE_ATTRIBUTES, "GetFileAttributesA error: %d\n", GetLastError());
attributes &= FILE_ATTRIBUTE_READONLY;
/* Change file attributes */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_ATTRIBUTES);
ret = SetFileAttributesA(filename2, attributes);
ok(ret, "SetFileAttributesA error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* Change last write time by writing to a file */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_LAST_WRITE);
file = CreateFileA(filename2, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, 0);
ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
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memset(buffer, 0, sizeof(buffer));
ret = WriteFile(file, buffer, sizeof(buffer), &count, NULL);
ok(ret && count == sizeof(buffer), "WriteFile error: %d\n", GetLastError());
ret = CloseHandle(file);
ok( ret, "CloseHandle error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* Change file size by truncating a file */
thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_SIZE);
file = CreateFileA(filename2, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, 0);
ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
ret = WriteFile(file, buffer, sizeof(buffer) / 2, &count, NULL);
ok(ret && count == sizeof(buffer) / 2, "WriteFileA error: %d\n", GetLastError());
ret = CloseHandle(file);
ok( ret, "CloseHandle error: %d\n", GetLastError());
ok(FinishNotificationThread(thread), "Missed notification\n");
/* clean up */
ret = DeleteFileA(filename2);
ok(ret, "DeleteFileA error: %d\n", GetLastError());
ret = RemoveDirectoryA(workdir);
ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
}
/* this test concentrates more on the wait behaviour of the handle */
static void test_ffcn(void)
{
DWORD filter;
HANDLE handle;
LONG r;
WCHAR path[MAX_PATH], subdir[MAX_PATH];
static const WCHAR szBoo[] = { '\\','b','o','o',0 };
static const WCHAR szHoo[] = { '\\','h','o','o',0 };
SetLastError(0xdeadbeef);
r = GetTempPathW( MAX_PATH, path );
if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
{
win_skip("GetTempPathW is not implemented\n");
return;
}
ok( r != 0, "temp path failed\n");
if (!r)
return;
lstrcatW( path, szBoo );
lstrcpyW( subdir, path );
lstrcatW( subdir, szHoo );
RemoveDirectoryW( subdir );
RemoveDirectoryW( path );
r = CreateDirectoryW(path, NULL);
ok( r == TRUE, "failed to create directory\n");
filter = FILE_NOTIFY_CHANGE_FILE_NAME;
filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
handle = FindFirstChangeNotificationW( path, 1, filter);
ok( handle != INVALID_HANDLE_VALUE, "invalid handle\n");
r = WaitForSingleObject( handle, 0 );
ok( r == STATUS_TIMEOUT, "should time out\n");
r = CreateDirectoryW( subdir, NULL );
ok( r == TRUE, "failed to create subdir\n");
r = WaitForSingleObject( handle, 0 );
ok( r == WAIT_OBJECT_0, "should be ready\n");
r = WaitForSingleObject( handle, 0 );
ok( r == WAIT_OBJECT_0, "should be ready\n");
r = FindNextChangeNotification(handle);
ok( r == TRUE, "find next failed\n");
r = WaitForSingleObject( handle, 0 );
ok( r == STATUS_TIMEOUT, "should time out\n");
r = RemoveDirectoryW( subdir );
ok( r == TRUE, "failed to remove subdir\n");
r = WaitForSingleObject( handle, 0 );
ok( r == WAIT_OBJECT_0, "should be ready\n");
r = WaitForSingleObject( handle, 0 );
ok( r == WAIT_OBJECT_0, "should be ready\n");
r = FindNextChangeNotification(handle);
ok( r == TRUE, "find next failed\n");
r = FindNextChangeNotification(handle);
ok( r == TRUE, "find next failed\n");
r = FindCloseChangeNotification(handle);
ok( r == TRUE, "should succeed\n");
r = RemoveDirectoryW( path );
ok( r == TRUE, "failed to remove dir\n");
}
/* this test concentrates on the wait behavior when multiple threads are
* waiting on a change notification handle. */
static void test_ffcnMultipleThreads(void)
{
LONG r;
DWORD filter, threadId, status, exitcode;
HANDLE handles[2];
char path[MAX_PATH];
r = GetTempPathA(MAX_PATH, path);
ok(r, "GetTempPathA error: %d\n", GetLastError());
lstrcatA(path, "ffcnTestMultipleThreads");
RemoveDirectoryA(path);
r = CreateDirectoryA(path, NULL);
ok(r, "CreateDirectoryA error: %d\n", GetLastError());
filter = FILE_NOTIFY_CHANGE_FILE_NAME;
filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
handles[0] = FindFirstChangeNotificationA(path, FALSE, filter);
ok(handles[0] != INVALID_HANDLE_VALUE, "FindFirstChangeNotification error: %d\n", GetLastError());
/* Test behavior if a waiting thread holds the last reference to a change
* directory object with an empty wine user APC queue for this thread (bug #7286) */
/* Create our notification thread */
handles[1] = CreateThread(NULL, 0, NotificationThread, handles[0], 0,
&threadId);
ok(handles[1] != NULL, "CreateThread error: %d\n", GetLastError());
status = WaitForMultipleObjects(2, handles, FALSE, 5000);
ok(status == WAIT_OBJECT_0 || status == WAIT_OBJECT_0+1, "WaitForMultipleObjects status %d error %d\n", status, GetLastError());
ok(GetExitCodeThread(handles[1], &exitcode), "Could not retrieve thread exit code\n");
/* Clean up */
r = RemoveDirectoryA( path );
ok( r == TRUE, "failed to remove dir\n");
}
static BOOL (WINAPI *pReadDirectoryChangesW)(HANDLE,LPVOID,DWORD,BOOL,DWORD,
LPDWORD,LPOVERLAPPED,LPOVERLAPPED_COMPLETION_ROUTINE);
static void test_readdirectorychanges(void)
{
HANDLE hdir;
char buffer[0x1000];
DWORD fflags, filter = 0, r, dwCount;
OVERLAPPED ov;
WCHAR path[MAX_PATH], subdir[MAX_PATH], subsubdir[MAX_PATH];
static const WCHAR szBoo[] = { '\\','b','o','o',0 };
static const WCHAR szHoo[] = { '\\','h','o','o',0 };
static const WCHAR szGa[] = { '\\','h','o','o','\\','g','a',0 };
PFILE_NOTIFY_INFORMATION pfni;
if (!pReadDirectoryChangesW)
{
win_skip("ReadDirectoryChangesW is not available\n");
return;
}
SetLastError(0xdeadbeef);
r = GetTempPathW( MAX_PATH, path );
if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
{
win_skip("GetTempPathW is not implemented\n");
return;
}
ok( r != 0, "temp path failed\n");
if (!r)
return;
lstrcatW( path, szBoo );
lstrcpyW( subdir, path );
lstrcatW( subdir, szHoo );
lstrcpyW( subsubdir, path );
lstrcatW( subsubdir, szGa );
RemoveDirectoryW( subsubdir );
RemoveDirectoryW( subdir );
RemoveDirectoryW( path );
r = CreateDirectoryW(path, NULL);
ok( r == TRUE, "failed to create directory\n");
SetLastError(0xd0b00b00);
r = pReadDirectoryChangesW(NULL,NULL,0,FALSE,0,NULL,NULL,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, fflags, NULL);
ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
ov.hEvent = CreateEvent( NULL, 1, 0, NULL );
SetLastError(0xd0b00b00);
r = pReadDirectoryChangesW(hdir,NULL,0,FALSE,0,NULL,NULL,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
SetLastError(0xd0b00b00);
r = pReadDirectoryChangesW(hdir,NULL,0,FALSE,0,NULL,&ov,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
filter = FILE_NOTIFY_CHANGE_FILE_NAME;
filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
filter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
filter |= FILE_NOTIFY_CHANGE_SIZE;
filter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
filter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
filter |= FILE_NOTIFY_CHANGE_CREATION;
filter |= FILE_NOTIFY_CHANGE_SECURITY;
SetLastError(0xd0b00b00);
ov.Internal = 0;
ov.InternalHigh = 0;
memset( buffer, 0, sizeof buffer );
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,-1,NULL,&ov,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,0,NULL,&ov,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,TRUE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = WaitForSingleObject( ov.hEvent, 10 );
ok( r == STATUS_TIMEOUT, "should timeout\n" );
r = CreateDirectoryW( subdir, NULL );
ok( r == TRUE, "failed to create directory\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "event should be ready\n" );
ok( ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
ok( pfni->FileNameLength == 6, "len wrong\n" );
ok( !memcmp(pfni->FileName,&szHoo[1],6), "name wrong\n" );
ResetEvent(ov.hEvent);
SetLastError(0xd0b00b00);
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,0,NULL,NULL,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,0,NULL,&ov,NULL);
ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
ok(r==FALSE, "should return false\n");
filter = FILE_NOTIFY_CHANGE_SIZE;
SetEvent(ov.hEvent);
ov.Internal = 1;
ov.InternalHigh = 1;
2006-02-09 17:45:07 +01:00
S(U(ov)).Offset = 0;
S(U(ov)).OffsetHigh = 0;
memset( buffer, 0, sizeof buffer );
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
ok( ov.Internal == STATUS_PENDING, "ov.Internal wrong\n");
ok( ov.InternalHigh == 1, "ov.InternalHigh wrong\n");
r = WaitForSingleObject( ov.hEvent, 0 );
ok( r == STATUS_TIMEOUT, "should timeout\n" );
r = RemoveDirectoryW( subdir );
ok( r == TRUE, "failed to remove directory\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "should be ready\n" );
ok( ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
if (ov.Internal == STATUS_SUCCESS)
{
r = GetOverlappedResult( hdir, &ov, &dwCount, TRUE );
ok( r == TRUE, "getoverlappedresult failed\n");
ok( dwCount == 0x12, "count wrong\n");
}
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
ok( pfni->Action == FILE_ACTION_REMOVED, "action wrong\n" );
ok( pfni->FileNameLength == 6, "len wrong\n" );
ok( !memcmp(pfni->FileName,&szHoo[1],6), "name wrong\n" );
/* what happens if the buffer is too small? */
r = pReadDirectoryChangesW(hdir,buffer,0x10,FALSE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = CreateDirectoryW( subdir, NULL );
ok( r == TRUE, "failed to create directory\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "should be ready\n" );
ok( ov.Internal == STATUS_NOTIFY_ENUM_DIR, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0, "ov.InternalHigh wrong\n");
/* test the recursive watch */
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = CreateDirectoryW( subsubdir, NULL );
ok( r == TRUE, "failed to create directory\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "should be ready\n" );
ok( ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0x18, "ov.InternalHigh wrong\n");
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
ok( pfni->FileNameLength == 6*sizeof(WCHAR), "len wrong\n" );
ok( !memcmp(pfni->FileName,&szGa[1],6*sizeof(WCHAR)), "name wrong\n" );
r = RemoveDirectoryW( subsubdir );
ok( r == TRUE, "failed to remove directory\n");
ov.Internal = 1;
ov.InternalHigh = 1;
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = RemoveDirectoryW( subdir );
ok( r == TRUE, "failed to remove directory\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "should be ready\n" );
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
/* we may get a notification for the parent dir too */
if (pfni->Action == FILE_ACTION_MODIFIED && pfni->NextEntryOffset)
{
ok( pfni->FileNameLength == 3*sizeof(WCHAR), "len wrong %u\n", pfni->FileNameLength );
ok( !memcmp(pfni->FileName,&szGa[1],3*sizeof(WCHAR)), "name wrong\n" );
pfni = (PFILE_NOTIFY_INFORMATION)((char *)pfni + pfni->NextEntryOffset);
}
ok( pfni->NextEntryOffset == 0, "offset wrong %u\n", pfni->NextEntryOffset );
ok( pfni->Action == FILE_ACTION_REMOVED, "action wrong %u\n", pfni->Action );
ok( pfni->FileNameLength == 6*sizeof(WCHAR), "len wrong %u\n", pfni->FileNameLength );
ok( !memcmp(pfni->FileName,&szGa[1],6*sizeof(WCHAR)), "name wrong\n" );
ok( ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
dwCount = (char *)&pfni->FileName[pfni->FileNameLength/sizeof(WCHAR)] - buffer;
ok( ov.InternalHigh == dwCount, "ov.InternalHigh wrong %lu/%u\n",ov.InternalHigh, dwCount );
CloseHandle(hdir);
r = RemoveDirectoryW( path );
ok( r == TRUE, "failed to remove directory\n");
}
/* show the behaviour when a null buffer is passed */
static void test_readdirectorychanges_null(void)
{
NTSTATUS r;
HANDLE hdir;
char buffer[0x1000];
DWORD fflags, filter = 0;
OVERLAPPED ov;
WCHAR path[MAX_PATH], subdir[MAX_PATH];
static const WCHAR szBoo[] = { '\\','b','o','o',0 };
static const WCHAR szHoo[] = { '\\','h','o','o',0 };
PFILE_NOTIFY_INFORMATION pfni;
if (!pReadDirectoryChangesW)
{
win_skip("ReadDirectoryChangesW is not available\n");
return;
}
SetLastError(0xdeadbeef);
r = GetTempPathW( MAX_PATH, path );
if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
{
win_skip("GetTempPathW is not implemented\n");
return;
}
ok( r != 0, "temp path failed\n");
if (!r)
return;
lstrcatW( path, szBoo );
lstrcpyW( subdir, path );
lstrcatW( subdir, szHoo );
RemoveDirectoryW( subdir );
RemoveDirectoryW( path );
r = CreateDirectoryW(path, NULL);
ok( r == TRUE, "failed to create directory\n");
fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, fflags, NULL);
ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
ov.hEvent = CreateEvent( NULL, 1, 0, NULL );
filter = FILE_NOTIFY_CHANGE_FILE_NAME;
filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
SetLastError(0xd0b00b00);
ov.Internal = 0;
ov.InternalHigh = 0;
memset( buffer, 0, sizeof buffer );
r = pReadDirectoryChangesW(hdir,NULL,0,FALSE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = WaitForSingleObject( ov.hEvent, 0 );
ok( r == STATUS_TIMEOUT, "should timeout\n" );
r = CreateDirectoryW( subdir, NULL );
ok( r == TRUE, "failed to create directory\n");
r = WaitForSingleObject( ov.hEvent, 0 );
ok( r == WAIT_OBJECT_0, "event should be ready\n" );
ok( ov.Internal == STATUS_NOTIFY_ENUM_DIR, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0, "ov.InternalHigh wrong\n");
ov.Internal = 0;
ov.InternalHigh = 0;
2006-02-09 17:45:07 +01:00
S(U(ov)).Offset = 0;
S(U(ov)).OffsetHigh = 0;
memset( buffer, 0, sizeof buffer );
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = WaitForSingleObject( ov.hEvent, 0 );
ok( r == STATUS_TIMEOUT, "should timeout\n" );
r = RemoveDirectoryW( subdir );
ok( r == TRUE, "failed to remove directory\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "should be ready\n" );
ok( ov.Internal == STATUS_NOTIFY_ENUM_DIR, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0, "ov.InternalHigh wrong\n");
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
CloseHandle(hdir);
r = RemoveDirectoryW( path );
ok( r == TRUE, "failed to remove directory\n");
}
static void test_readdirectorychanges_filedir(void)
{
NTSTATUS r;
HANDLE hdir, hfile;
char buffer[0x1000];
DWORD fflags, filter = 0;
OVERLAPPED ov;
WCHAR path[MAX_PATH], subdir[MAX_PATH], file[MAX_PATH];
static const WCHAR szBoo[] = { '\\','b','o','o',0 };
static const WCHAR szHoo[] = { '\\','h','o','o',0 };
static const WCHAR szFoo[] = { '\\','f','o','o',0 };
PFILE_NOTIFY_INFORMATION pfni;
SetLastError(0xdeadbeef);
r = GetTempPathW( MAX_PATH, path );
if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
{
win_skip("GetTempPathW is not implemented\n");
return;
}
ok( r != 0, "temp path failed\n");
if (!r)
return;
lstrcatW( path, szBoo );
lstrcpyW( subdir, path );
lstrcatW( subdir, szHoo );
lstrcpyW( file, path );
lstrcatW( file, szFoo );
DeleteFileW( file );
RemoveDirectoryW( subdir );
RemoveDirectoryW( path );
r = CreateDirectoryW(path, NULL);
ok( r == TRUE, "failed to create directory\n");
fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, fflags, NULL);
ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
ov.hEvent = CreateEvent( NULL, 0, 0, NULL );
filter = FILE_NOTIFY_CHANGE_FILE_NAME;
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,TRUE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = WaitForSingleObject( ov.hEvent, 10 );
ok( r == WAIT_TIMEOUT, "should timeout\n" );
r = CreateDirectoryW( subdir, NULL );
ok( r == TRUE, "failed to create directory\n");
hfile = CreateFileW( file, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
ok( hfile != INVALID_HANDLE_VALUE, "failed to create file\n");
ok( CloseHandle(hfile), "failed toc lose file\n");
r = WaitForSingleObject( ov.hEvent, 1000 );
ok( r == WAIT_OBJECT_0, "event should be ready\n" );
ok( ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
ok( pfni->FileNameLength == 6, "len wrong\n" );
ok( !memcmp(pfni->FileName,&szFoo[1],6), "name wrong\n" );
r = DeleteFileW( file );
ok( r == TRUE, "failed to delete file\n");
r = RemoveDirectoryW( subdir );
ok( r == TRUE, "failed to remove directory\n");
CloseHandle(hdir);
r = RemoveDirectoryW( path );
ok( r == TRUE, "failed to remove directory\n");
}
static void CALLBACK readdirectorychanges_cr(DWORD error, DWORD len, LPOVERLAPPED ov)
{
ok(error == 0, "ReadDirectoryChangesW error %d\n", error);
ok(ov->hEvent == (void*)0xdeadbeef, "hEvent should not have changed\n");
}
static void test_readdirectorychanges_cr(void)
{
static const WCHAR szBoo[] = { '\\','b','o','o','\\',0 };
static const WCHAR szDir[] = { 'd','i','r',0 };
static const WCHAR szFile[] = { 'f','i','l','e',0 };
static const WCHAR szBackslash[] = { '\\',0 };
WCHAR path[MAX_PATH], file[MAX_PATH], dir[MAX_PATH], sub_file[MAX_PATH];
FILE_NOTIFY_INFORMATION fni[1024], *fni_next;
OVERLAPPED ov;
HANDLE hdir, hfile;
NTSTATUS r;
if (!pReadDirectoryChangesW)
{
win_skip("ReadDirectoryChangesW is not available\n");
return;
}
SetLastError(0xdeadbeef);
r = GetTempPathW(MAX_PATH, path);
if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
{
win_skip("GetTempPathW is not implemented\n");
return;
}
ok(r != 0, "temp path failed\n");
if (!r)
return;
lstrcatW(path, szBoo);
lstrcpyW(dir, path);
lstrcatW(dir, szDir);
lstrcpyW(file, path);
lstrcatW(file, szFile);
lstrcpyW(sub_file, dir);
lstrcatW(sub_file, szBackslash);
lstrcatW(sub_file, szFile);
DeleteFileW(file);
RemoveDirectoryW(dir);
RemoveDirectoryW(path);
r = CreateDirectoryW(path, NULL);
ok(r == TRUE, "failed to create directory\n");
hdir = CreateFileW(path, GENERIC_READ,
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL, OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, NULL);
ok(hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
memset(&ov, 0, sizeof(ov));
ov.hEvent = (void*)0xdeadbeef;
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
hfile = CreateFileW(file, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
ok(hfile != INVALID_HANDLE_VALUE, "failed to create file\n");
CloseHandle(hfile);
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive file creation event\n");
ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
ok(fni->Action == FILE_ACTION_ADDED, "Action = %d\n", fni->Action);
ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
"FileNameLength = %d\n", fni->FileNameLength);
ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni->FileName));
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
/* This event will not be reported */
r = CreateDirectoryW(dir, NULL);
ok(r == TRUE, "failed to create directory\n");
r = MoveFileW(file, sub_file);
ok(r == TRUE, "failed to move file\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive file move event\n");
ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
ok(fni->Action == FILE_ACTION_REMOVED, "Action = %d\n", fni->Action);
ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
"FileNameLength = %d\n", fni->FileNameLength);
ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni->FileName));
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
r = MoveFileW(sub_file, file);
ok(r == TRUE, "failed to move file\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive file move event\n");
ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
ok(fni->Action == FILE_ACTION_ADDED, "Action = %d\n", fni->Action);
ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
"FileNameLength = %d\n", fni->FileNameLength);
ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni->FileName));
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
r = DeleteFileW(file);
ok(r == TRUE, "failed to delete file\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive file removal event\n");
ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
ok(fni->Action == FILE_ACTION_REMOVED, "Action = %d\n", fni->Action);
ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
"FileNameLength = %d\n", fni->FileNameLength);
ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni->FileName));
CloseHandle(hdir);
hdir = CreateFileW(path, GENERIC_READ,
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL, OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, NULL);
ok(hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
r = MoveFileW(dir, file);
ok(r == TRUE, "failed to move directory\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive directory move event\n");
if (fni->Action == FILE_ACTION_RENAMED_OLD_NAME)
{
ok(fni->Action == FILE_ACTION_RENAMED_OLD_NAME, "Action = %d\n", fni->Action);
ok(fni->FileNameLength == lstrlenW(szDir)*sizeof(WCHAR),
"FileNameLength = %d\n", fni->FileNameLength);
ok(!memcmp(fni->FileName, szDir, lstrlenW(szDir)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni->FileName));
ok(fni->NextEntryOffset != 0, "no next entry in movement event\n");
fni_next = (FILE_NOTIFY_INFORMATION*)((char*)fni+fni->NextEntryOffset);
ok(fni_next->NextEntryOffset == 0, "there should be no more events in buffer\n");
ok(fni_next->Action == FILE_ACTION_RENAMED_NEW_NAME, "Action = %d\n", fni_next->Action);
ok(fni_next->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
"FileNameLength = %d\n", fni_next->FileNameLength);
ok(!memcmp(fni_next->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni_next->FileName));
}
else
{
todo_wine ok(0, "Expected rename event\n");
if (fni->NextEntryOffset == 0)
{
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive directory move event\n");
}
}
r = CreateDirectoryW(dir, NULL);
ok(r == TRUE, "failed to create directory\n");
r = RemoveDirectoryW(dir);
ok(r == TRUE, "failed to remove directory\n");
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive directory creation event\n");
ok(fni->Action == FILE_ACTION_ADDED, "Action = %d\n", fni->Action);
ok(fni->FileNameLength == lstrlenW(szDir)*sizeof(WCHAR),
"FileNameLength = %d\n", fni->FileNameLength);
ok(!memcmp(fni->FileName, szDir, lstrlenW(szDir)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni->FileName));
if (fni->NextEntryOffset)
fni_next = (FILE_NOTIFY_INFORMATION*)((char*)fni+fni->NextEntryOffset);
else
{
r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
ok(r == TRUE, "pReadDirectoryChangesW failed\n");
r = SleepEx(1000, TRUE);
ok(r != 0, "failed to receive directory removal event\n");
fni_next = fni;
}
ok(fni_next->NextEntryOffset == 0, "there should be no more events in buffer\n");
ok(fni_next->Action == FILE_ACTION_REMOVED, "Action = %d\n", fni_next->Action);
ok(fni_next->FileNameLength == lstrlenW(szDir)*sizeof(WCHAR),
"FileNameLength = %d\n", fni_next->FileNameLength);
ok(!memcmp(fni_next->FileName, szDir, lstrlenW(szDir)*sizeof(WCHAR)),
"FileName = %s\n", wine_dbgstr_w(fni_next->FileName));
CloseHandle(hdir);
RemoveDirectoryW(file);
RemoveDirectoryW(path);
}
static void test_ffcn_directory_overlap(void)
{
HANDLE parent_watch, child_watch, parent_thread, child_thread;
char workdir[MAX_PATH], parentdir[MAX_PATH], childdir[MAX_PATH];
char tempfile[MAX_PATH];
DWORD threadId;
BOOL ret;
/* Setup directory hierarchy */
ret = GetTempPathA(MAX_PATH, workdir);
ok((ret > 0) && (ret <= MAX_PATH),
"GetTempPathA error: %d\n", GetLastError());
ret = GetTempFileNameA(workdir, "fcn", 0, tempfile);
ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
ret = DeleteFileA(tempfile);
ok(ret, "DeleteFileA error: %d\n", GetLastError());
lstrcpyA(parentdir, tempfile);
ret = CreateDirectoryA(parentdir, NULL);
ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
lstrcpyA(childdir, parentdir);
lstrcatA(childdir, "\\c");
ret = CreateDirectoryA(childdir, NULL);
ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
/* When recursively watching overlapping directories, changes in child
* should trigger notifications for both child and parent */
parent_thread = StartNotificationThread(parentdir, TRUE,
FILE_NOTIFY_CHANGE_FILE_NAME);
child_thread = StartNotificationThread(childdir, TRUE,
FILE_NOTIFY_CHANGE_FILE_NAME);
/* Create a file in child */
ret = GetTempFileNameA(childdir, "fcn", 0, tempfile);
ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
/* Both watches should trigger */
ret = FinishNotificationThread(parent_thread);
ok(ret, "Missed parent notification\n");
ret = FinishNotificationThread(child_thread);
ok(ret, "Missed child notification\n");
ret = DeleteFileA(tempfile);
ok(ret, "DeleteFileA error: %d\n", GetLastError());
/* Removing a recursive parent watch should not affect child watches. Doing
* so used to crash wineserver. */
parent_watch = FindFirstChangeNotificationA(parentdir, TRUE,
FILE_NOTIFY_CHANGE_FILE_NAME);
ok(parent_watch != INVALID_HANDLE_VALUE,
"FindFirstChangeNotification error: %d\n", GetLastError());
child_watch = FindFirstChangeNotificationA(childdir, TRUE,
FILE_NOTIFY_CHANGE_FILE_NAME);
ok(child_watch != INVALID_HANDLE_VALUE,
"FindFirstChangeNotification error: %d\n", GetLastError());
ret = FindCloseChangeNotification(parent_watch);
ok(ret, "FindCloseChangeNotification error: %d\n", GetLastError());
child_thread = CreateThread(NULL, 0, NotificationThread, child_watch, 0,
&threadId);
ok(child_thread != NULL, "CreateThread error: %d\n", GetLastError());
/* Create a file in child */
ret = GetTempFileNameA(childdir, "fcn", 0, tempfile);
ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
/* Child watch should trigger */
ret = FinishNotificationThread(child_thread);
ok(ret, "Missed child notification\n");
/* clean up */
ret = DeleteFileA(tempfile);
ok(ret, "DeleteFileA error: %d\n", GetLastError());
ret = RemoveDirectoryA(childdir);
ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
ret = RemoveDirectoryA(parentdir);
ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
}
START_TEST(change)
{
HMODULE hkernel32 = GetModuleHandle("kernel32");
pReadDirectoryChangesW = (void *)GetProcAddress(hkernel32, "ReadDirectoryChangesW");
test_ffcnMultipleThreads();
/* The above function runs a test that must occur before FindCloseChangeNotification is run in the
current thread to preserve the emptiness of the wine user APC queue. To ensure this it should be
placed first. */
test_FindFirstChangeNotification();
test_ffcn();
test_readdirectorychanges();
test_readdirectorychanges_null();
test_readdirectorychanges_filedir();
test_readdirectorychanges_cr();
test_ffcn_directory_overlap();
}