From 2e3612cc58c72eec43ab9f76dc6ce4b2c47607cb Mon Sep 17 00:00:00 2001
From: Robert Dickenson <robd@reactos.org>
Date: Thu, 7 Nov 2002 02:52:37 +0000
Subject: [PATCH] Manually applying Gunnars patch because it's easier this way
 - and a good chance to review mods.

svn path=/trunk/; revision=3716
---
 reactos/lib/kernel32/file/curdir.c |  9 +---
 reactos/lib/kernel32/file/file.c   | 78 +++++++++++++++++++++++++++---
 reactos/lib/kernel32/file/lfile.c  |  8 +--
 3 files changed, 76 insertions(+), 19 deletions(-)

diff --git a/reactos/lib/kernel32/file/curdir.c b/reactos/lib/kernel32/file/curdir.c
index 524a3440aeb..9c68c5aea23 100644
--- a/reactos/lib/kernel32/file/curdir.c
+++ b/reactos/lib/kernel32/file/curdir.c
@@ -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
 }
 
diff --git a/reactos/lib/kernel32/file/file.c b/reactos/lib/kernel32/file/file.c
index 680134e3b6d..ec70fca3366 100644
--- a/reactos/lib/kernel32/file/file.c
+++ b/reactos/lib/kernel32/file/file.c
@@ -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 */
diff --git a/reactos/lib/kernel32/file/lfile.c b/reactos/lib/kernel32/file/lfile.c
index 08915c99547..271ea60e52c 100644
--- a/reactos/lib/kernel32/file/lfile.c
+++ b/reactos/lib/kernel32/file/lfile.c
@@ -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;