ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

kernel32: Reimplement CreateHardLink() on top of NtSetInformationFile(FileLinkInformation). 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-03-03 23:20:37 -06:00 committed by Alexandre Julliard
parent ee31a622b8
commit 4e98b0810b
1 changed files with 21 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
dlls/kernel32/path.c
View File

@ -663,10 +663,13 @@ BOOL WINAPI MoveFileA( LPCSTR source, LPCSTR dest )
BOOL WINAPI CreateHardLinkW(LPCWSTR lpFileName, LPCWSTR lpExistingFileName,
LPSECURITY_ATTRIBUTES lpSecurityAttributes)
{
NTSTATUS status;
UNICODE_STRING ntDest, ntSource;
ANSI_STRING unixDest, unixSource;
FILE_LINK_INFORMATION *info = NULL;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
BOOL ret = FALSE;
HANDLE file;
ULONG size;
TRACE("(%s, %s, %p)\n", debugstr_w(lpFileName),
debugstr_w(lpExistingFileName), lpSecurityAttributes);
@ -679,37 +682,30 @@ BOOL WINAPI CreateHardLinkW(LPCWSTR lpFileName, LPCWSTR lpExistingFileName,
goto err;
}
unixSource.Buffer = unixDest.Buffer = NULL;
status = wine_nt_to_unix_file_name( &ntSource, &unixSource, FILE_OPEN, FALSE );
if (!status)
size = offsetof( FILE_LINK_INFORMATION, FileName ) + ntDest.Length;
if (!(info = HeapAlloc( GetProcessHeap(), 0, size )))
{
status = wine_nt_to_unix_file_name( &ntDest, &unixDest, FILE_CREATE, FALSE );
if (!status) /* destination must not exist */
{
status = STATUS_OBJECT_NAME_EXISTS;
} else if (status == STATUS_NO_SUCH_FILE)
{
status = STATUS_SUCCESS;
}
SetLastError( ERROR_OUTOFMEMORY );
goto err;
}
if (status)
SetLastError( RtlNtStatusToDosError(status) );
else if (!link( unixSource.Buffer, unixDest.Buffer ))
{
TRACE("Hardlinked '%s' to '%s'\n", debugstr_a( unixDest.Buffer ),
debugstr_a( unixSource.Buffer ));
ret = TRUE;
}
else
FILE_SetDosError();
InitializeObjectAttributes( &attr, &ntSource, OBJ_CASE_INSENSITIVE, 0, NULL );
if (!(ret = set_ntstatus( NtOpenFile( &file, SYNCHRONIZE, &attr, &io, FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_NONALERT ) )))
goto err;
RtlFreeAnsiString( &unixSource );
RtlFreeAnsiString( &unixDest );
info->ReplaceIfExists = FALSE;
info->RootDirectory = NULL;
info->FileNameLength = ntDest.Length;
memcpy( info->FileName, ntDest.Buffer, ntDest.Length );
ret = set_ntstatus( NtSetInformationFile( file, &io, info, size, FileLinkInformation ) );
NtClose( file );
err:
RtlFreeUnicodeString( &ntSource );
RtlFreeUnicodeString( &ntDest );
HeapFree( GetProcessHeap(), 0, info );
return ret;
}