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Manually applying Gunnars patch because it's easier this way - and a good chance to review mods.

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svn path=/trunk/; revision=3716
This commit is contained in:
Robert Dickenson 2002-11-07 02:52:37 +00:00
parent f2064b3f8b
commit 2e3612cc58
3 changed files with 76 additions and 19 deletions
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9
reactos/lib/kernel32/file/curdir.c
View file

@ -1,4 +1,4 @@
/* $Id: curdir.c,v 1.32 2002/10/20 03:33:34 robd Exp $
/* $Id: curdir.c,v 1.33 2002/11/07 02:52:37 robd Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -324,12 +324,8 @@ GetWindowsDirectoryA (
Length = RtlUnicodeStringToAnsiSize (&WindowsDirectory); //len of ansi str incl. nullchar
printf("windirlen incl term %i\n", Length);
if (uSize >= Length){
printf("ok: enoug space\n");
String.Length = 0;
String.MaximumLength = uSize;
String.Buffer = lpBuffer;
@ -347,12 +343,9 @@ GetWindowsDirectoryA (
if (!NT_SUCCESS(Status))
return 0;
printf("good: ret chars %i\n",Length-1);
printf("dir: %s\n",lpBuffer);
return Length-1; //good: ret chars excl. nullchar
}
printf("bad: ret chars needed %i\n",Length);
return Length; //bad: ret space needed incl. nullchar
}

78
reactos/lib/kernel32/file/file.c
View file

@ -1,4 +1,4 @@
/* $Id: file.c,v 1.37 2002/10/20 11:55:59 chorns Exp $
/* $Id: file.c,v 1.38 2002/11/07 02:52:37 robd Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -259,15 +259,18 @@ GetFileType(HANDLE hFile)
switch ((ULONG)hFile)
{
case STD_INPUT_HANDLE:
hFile = NtCurrentPeb()->ProcessParameters->hStdInput;
hFile = NtCurrentPeb()->ProcessParameters->hStdInput;
break;
case STD_OUTPUT_HANDLE:
hFile = NtCurrentPeb()->ProcessParameters->hStdOutput;
hFile = NtCurrentPeb()->ProcessParameters->hStdOutput;
break;
case STD_ERROR_HANDLE:
hFile = NtCurrentPeb()->ProcessParameters->hStdError;
hFile = NtCurrentPeb()->ProcessParameters->hStdError;
break;
}
@ -800,12 +803,73 @@ SetFileTime(HANDLE hFile,
}
/*
The caller must have opened the file with the DesiredAccess FILE_WRITE_DATA flag set.
*/
WINBOOL STDCALL
SetEndOfFile(HANDLE hFile)
{
int x = -1;
DWORD Num;
return WriteFile(hFile,&x,1,&Num,NULL);
IO_STATUS_BLOCK IoStatusBlock;
FILE_END_OF_FILE_INFORMATION EndOfFileInfo;
FILE_ALLOCATION_INFORMATION FileAllocationInfo;
FILE_POSITION_INFORMATION FilePosInfo;
NTSTATUS Status;
//get current position
Status = NtQueryInformationFile(
hFile,
&IoStatusBlock,
&FilePosInfo,
sizeof(FILE_POSITION_INFORMATION),
FilePositionInformation
);
if (!NT_SUCCESS(Status)){
SetLastErrorByStatus(Status);
return FALSE;
}
EndOfFileInfo.EndOfFile.QuadPart = FilePosInfo.CurrentByteOffset.QuadPart;
/*
NOTE:
This call is not supposed to free up any space after the eof marker
if the file gets truncated. We have to deallocate the space explicitly afterwards.
But...most file systems dispatch both FileEndOfFileInformation
and FileAllocationInformation as they were the same command.
*/
Status = NtSetInformationFile(
hFile,
&IoStatusBlock, //out
&EndOfFileInfo,
sizeof(FILE_END_OF_FILE_INFORMATION),
FileEndOfFileInformation
);
if (!NT_SUCCESS(Status)){
SetLastErrorByStatus(Status);
return FALSE;
}
FileAllocationInfo.AllocationSize.QuadPart = FilePosInfo.CurrentByteOffset.QuadPart;
Status = NtSetInformationFile(
hFile,
&IoStatusBlock, //out
&FileAllocationInfo,
sizeof(FILE_ALLOCATION_INFORMATION),
FileAllocationInformation
);
if (!NT_SUCCESS(Status)){
SetLastErrorByStatus(Status);
return FALSE;
}
return TRUE;
}
/* EOF */

8
reactos/lib/kernel32/file/lfile.c
View file

@ -1,4 +1,4 @@
/* $Id: lfile.c,v 1.6 2000/06/03 14:47:32 ea Exp $
/* $Id: lfile.c,v 1.7 2002/11/07 02:52:37 robd Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -156,11 +156,11 @@ _lcreat (
DWORD FileAttributes = 0;
if ( iAttribute == 1 )
if ( iAttribute == 0 )
FileAttributes |= FILE_ATTRIBUTE_NORMAL;
else if ( iAttribute == 2 )
else if ( iAttribute == 1 )
FileAttributes |= FILE_ATTRIBUTE_READONLY;
else if ( iAttribute == 3 )
else if ( iAttribute == 2 )
FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
else if ( iAttribute == 4 )
FileAttributes |= FILE_ATTRIBUTE_SYSTEM;