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- Fixed possible loss of data with given overlapped structure on a 

file opened in non overlapped mode.
- Fixme for file-lock functions.
This commit is contained in:
Juergen Schmied 2002-08-03 19:11:33 +00:00 committed by Alexandre Julliard
parent 7bf07d154e
commit 712caf3596
2 changed files with 55 additions and 5 deletions
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50
files/file.c
View File

@ -1675,11 +1675,27 @@ BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
{
case FD_TYPE_SMB:
return SMB_ReadFile(hFile, buffer, bytesToRead, bytesRead, NULL);
case FD_TYPE_CONSOLE:
return FILE_ReadConsole(hFile, buffer, bytesToRead, bytesRead, NULL);
default:
case FD_TYPE_DEFAULT:
/* normal unix files */
if (unix_handle == -1) return FALSE;
if (overlapped)
{
DWORD highOffset = overlapped->OffsetHigh;
if ( (INVALID_SET_FILE_POINTER == SetFilePointer(hFile, overlapped->Offset,
&highOffset, FILE_BEGIN)) &&
(GetLastError() != NO_ERROR) )
{
close(unix_handle);
return FALSE;
}
}
break;
default:
if (unix_handle == -1)
return FALSE;
if (overlapped)
@ -1877,9 +1893,33 @@ BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
TRACE("%d %s %ld %p %p\n", hFile, debugstr_an(buffer, bytesToWrite), bytesToWrite,
bytesWritten, overlapped );
return FILE_WriteConsole(hFile, buffer, bytesToWrite, bytesWritten, NULL);
case FD_TYPE_DEFAULT:
if (unix_handle == -1) return FALSE;
if(overlapped)
{
DWORD highOffset = overlapped->OffsetHigh;
if ( (INVALID_SET_FILE_POINTER == SetFilePointer(hFile, overlapped->Offset,
&highOffset, FILE_BEGIN)) &&
(GetLastError() != NO_ERROR) )
{
close(unix_handle);
return FALSE;
}
}
break;
default:
if (unix_handle == -1)
return FALSE;
if (overlapped)
{
close(unix_handle);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
break;
}
/* synchronous file write */
@ -1975,7 +2015,7 @@ HFILE WINAPI _lcreat( LPCSTR path, INT attr )
DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword,
DWORD method )
{
DWORD ret = 0xffffffff;
DWORD ret = INVALID_SET_FILE_POINTER;
TRACE("handle %d offset %ld high %ld origin %ld\n",
hFile, distance, highword?*highword:0, method );
@ -2719,6 +2759,9 @@ BOOL WINAPI LockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHig
DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
{
BOOL ret;
FIXME("not implemented in server\n");
SERVER_START_REQ( lock_file )
{
req->handle = hFile;
@ -2770,6 +2813,9 @@ BOOL WINAPI UnlockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetH
DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
{
BOOL ret;
FIXME("not implemented in server\n");
SERVER_START_REQ( unlock_file )
{
req->handle = hFile;

4
include/winbase.h
View File

@ -287,6 +287,10 @@ typedef struct
#define PROCESS_HEAP_ENTRY_DDESHARE 0x0020
#define INVALID_HANDLE_VALUE ((HANDLE) -1)
#define INVALID_FILE_SIZE ((DWORD)0xFFFFFFFF)
#define INVALID_SET_FILE_POINTER ((DWORD)-1)
#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
#define TLS_OUT_OF_INDEXES ((DWORD)0xFFFFFFFF)