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247 lines
6.2 KiB
C
247 lines
6.2 KiB
C
/** @file
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Declares filebuffer interface functions.
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Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _LIB_FILE_BUFFER_H_
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#define _LIB_FILE_BUFFER_H_
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#include "TextEditorTypes.h"
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/**
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Initialization function for FileBuffer.
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@param EFI_SUCCESS The initialization was successful.
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@param EFI_LOAD_ERROR A default name could not be created.
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@param EFI_OUT_OF_RESOURCES A memory allocation failed.
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**/
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EFI_STATUS
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FileBufferInit (
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VOID
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);
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/**
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Cleanup function for FileBuffer.
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@retval EFI_SUCCESS The cleanup was successful.
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**/
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EFI_STATUS
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FileBufferCleanup (
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VOID
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);
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/**
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Refresh the screen with whats in the buffer.
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@retval EFI_SUCCESS The refresh was successful.
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@retval EFI_LOAD_ERROR There was an error finding what to write.
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**/
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EFI_STATUS
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FileBufferRefresh (
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VOID
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);
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/**
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Dispatch input to different handler
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@param[in] Key The input key. One of:
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ASCII KEY
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Backspace/Delete
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Return
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Direction key: up/down/left/right/pgup/pgdn
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Home/End
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INS
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@retval EFI_SUCCESS The dispatch was done successfully.
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@retval EFI_LOAD_ERROR The dispatch was not successful.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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**/
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EFI_STATUS
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FileBufferHandleInput (
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IN CONST EFI_INPUT_KEY * Key
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);
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/**
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Backup function for FileBuffer. Only backup the following items:
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Mouse/Cursor position
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File Name, Type, ReadOnly, Modified
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Insert Mode
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This is for making the file buffer refresh as few as possible.
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@retval EFI_SUCCESS The backup operation was successful.
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**/
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EFI_STATUS
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FileBufferBackup (
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VOID
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);
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/**
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Set the cursor position according to FileBuffer.DisplayPosition.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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FileBufferRestorePosition (
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VOID
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);
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/**
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Set FileName field in FileBuffer.
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@param Str The file name to set.
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@retval EFI_SUCCESS The filename was successfully set.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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@retval EFI_INVALID_PARAMETER Str is not a valid filename.
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**/
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EFI_STATUS
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FileBufferSetFileName (
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IN CONST CHAR16 *Str
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);
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/**
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Read a file from disk into the FileBuffer.
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@param[in] FileName The filename to read.
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@param[in] Recover TRUE if is for recover mode, no information printouts.
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@retval EFI_SUCCESS The load was successful.
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@retval EFI_LOAD_ERROR The load failed.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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@retval EFI_INVALID_PARAMETER FileName is a directory.
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**/
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EFI_STATUS
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FileBufferRead (
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IN CONST CHAR16 *FileName,
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IN CONST BOOLEAN Recover
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);
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/**
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Save lines in FileBuffer to disk
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@param[in] FileName The file name for writing.
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@retval EFI_SUCCESS Data was written.
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@retval EFI_LOAD_ERROR
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@retval EFI_OUT_OF_RESOURCES There were not enough resources to write the file.
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**/
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EFI_STATUS
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FileBufferSave (
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CONST CHAR16 *FileName
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);
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/**
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According to cursor's file position, adjust screen display
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@param[in] NewFilePosRow The row of file position ( start from 1 ).
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@param[in] NewFilePosCol The column of file position ( start from 1 ).
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**/
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VOID
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FileBufferMovePosition (
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IN CONST UINTN NewFilePosRow,
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IN CONST UINTN NewFilePosCol
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);
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/**
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Cut current line out and return a pointer to it.
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@param[out] CutLine Upon a successful return pointer to the pointer to
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the allocated cut line.
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@retval EFI_SUCCESS The cut was successful.
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@retval EFI_NOT_FOUND There was no selection to cut.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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**/
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EFI_STATUS
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FileBufferCutLine (
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OUT EFI_EDITOR_LINE **CutLine
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);
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/**
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Paste a line into line list.
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@retval EFI_SUCCESS The paste was successful.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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**/
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EFI_STATUS
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FileBufferPasteLine (
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VOID
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);
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/**
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Search string from current position on in file
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@param[in] Str The search string.
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@param[in] Offset The offset from current position.
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@retval EFI_SUCCESS The operation was successful.
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@retval EFI_NOT_FOUND The string Str was not found.
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**/
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EFI_STATUS
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FileBufferSearch (
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IN CONST CHAR16 *Str,
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IN CONST UINTN Offset
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);
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/**
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Replace SearchLen characters from current position on with Replace.
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This will modify the current buffer at the current position.
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@param[in] Replace The string to replace.
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@param[in] SearchLen Search string's length.
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@retval EFI_SUCCESS The operation was successful.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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**/
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EFI_STATUS
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FileBufferReplace (
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IN CONST CHAR16 *Replace,
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IN CONST UINTN SearchLen
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);
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/**
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Search and replace operation.
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@param[in] SearchStr The string to search for.
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@param[in] ReplaceStr The string to replace with.
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@param[in] Offset The column to start at.
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**/
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EFI_STATUS
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FileBufferReplaceAll (
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IN CHAR16 *SearchStr,
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IN CHAR16 *ReplaceStr,
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IN UINTN Offset
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);
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/**
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Move the mouse cursor position.
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@param[in] TextX The new x-coordinate.
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@param[in] TextY The new y-coordinate.
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**/
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VOID
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FileBufferAdjustMousePosition (
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IN CONST INT32 TextX,
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IN CONST INT32 TextY
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);
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/**
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Set the modified state to TRUE.
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**/
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VOID
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FileBufferSetModified (
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VOID
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);
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#endif
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