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Fixed bug that fails to update files entries in the root, and added some error checking

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svn path=/trunk/; revision=1190
This commit is contained in:
Phillip Susi 2000-06-17 22:02:09 +00:00
parent 8eb69e31d4
commit ea455bcfce
1 changed files with 23 additions and 5 deletions
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28
reactos/drivers/fs/vfat/dirwr.c
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@ -1,4 +1,4 @@
/* $Id: dirwr.c,v 1.11 2000/03/13 17:58:06 ekohl Exp $
/* $Id: dirwr.c,v 1.12 2000/06/17 22:02:09 phreak Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -110,8 +110,16 @@ NTSTATUS updEntry(PDEVICE_EXTENSION DeviceExt,PFILE_OBJECT pFileObject)
for(NameLen=0;FileName[NameLen];NameLen++);
// extract directory name from pathname
memcpy(DirName,PathFileName,posCar*sizeof(WCHAR));
DirName[posCar]=0;
if( posCar == 0 )
{
// root dir
DirName[0] = L'\\';
DirName[1] = 0;
}
else {
memcpy(DirName,PathFileName,posCar*sizeof(WCHAR));
DirName[posCar]=0;
}
if(FileName[0]==0 && DirName[0]==0)
return STATUS_SUCCESS;//root : nothing to do ?
memset(&FileObject,0,sizeof(FILE_OBJECT));
@ -343,9 +351,18 @@ DPRINT("i=%d,j=%d,%d,%d\n",i,j,pEntry->Filename[i],FileName[i]);
{
status=FsdReadFile(DeviceExt,&FileObject,&FatEntry
,sizeof(FATDirEntry),i*sizeof(FATDirEntry),&LengthRead);
if(IsLastEntry(&FatEntry,0))
if( status == STATUS_END_OF_FILE )
break;
if( !NT_SUCCESS( status ) )
{
DPRINT1( "FsdReadFile failed to read the directory entry\n" );
break;
}
if( LengthRead != sizeof( FATDirEntry ) )
{
DPRINT1( "FsdReadFile did not read a complete directory entry\n" );
break;
}
if(IsDeletedEntry(&FatEntry,0))
nbFree++;
else
@ -377,6 +394,7 @@ DPRINT("i=%d,j=%d,%d,%d\n",i,j,pEntry->Filename[i],FileName[i]);
Offset=(i-nbSlots+1)*sizeof(FATDirEntry);
status=FsdWriteFile(DeviceExt,&FileObject,Buffer
,sizeof(FATDirEntry)*nbSlots,Offset);
DPRINT( "FsdWriteFile() returned: %x\n", status );
}
else
{//write at end of directory