{*******************************************************}
{                                                       }
{       Borland Delphi Run-time Library                 }
{       Win32 LZ compression Interface Unit             }
{                                                       }
{       Copyright (c) 1985-1999, Microsoft Corporation  }
{                                                       }
{       Translator: Borland Software Corporation        }
{                                                       }
{*******************************************************}

unit LZExpand;

{$WEAKPACKAGEUNIT}

{$HPPEMIT '#include <lzexpand.h>'}

interface

uses Windows;

{ Error Return Codes }

const
  {$EXTERNALSYM LZERROR_BADINHANDLE}
  LZERROR_BADINHANDLE = -1;         { invalid input handle }
  {$EXTERNALSYM LZERROR_BADOUTHANDLE}
  LZERROR_BADOUTHANDLE = -2;        { invalid output handle }
  {$EXTERNALSYM LZERROR_READ}
  LZERROR_READ = -3;                { corrupt compressed file format }
  {$EXTERNALSYM LZERROR_WRITE}
  LZERROR_WRITE = -4;               { out of space for output file }
  {$EXTERNALSYM LZERROR_GLOBALLOC}
  LZERROR_GLOBALLOC = -5;           { insufficient memory for LZFile struct }
  {$EXTERNALSYM LZERROR_GLOBLOCK}
  LZERROR_GLOBLOCK = -6;            { bad global handle }
  {$EXTERNALSYM LZERROR_BADVALUE}
  LZERROR_BADVALUE = -7;            { input parameter out of acceptable range }
  {$EXTERNALSYM LZERROR_UNKNOWNALG}
  LZERROR_UNKNOWNALG = -8;          { compression algorithm not recognized }


{ Prototypes }

{$EXTERNALSYM LZCopy}
function LZCopy(Source, Dest: Integer): Longint; stdcall;
{$EXTERNALSYM LZInit}
function LZInit(Source: Integer): Integer; stdcall;
{$EXTERNALSYM GetExpandedName}
function GetExpandedName(Source, Buffer: PChar): Integer; stdcall;
{$EXTERNALSYM GetExpandedNameA}
function GetExpandedNameA(Source, Buffer: PAnsiChar): Integer; stdcall;
{$EXTERNALSYM GetExpandedNameW}
function GetExpandedNameW(Source, Buffer: PWideChar): Integer; stdcall;
{$EXTERNALSYM LZOpenFile}
function LZOpenFile(Filename: PChar; var ReOpenBuff: TOFStruct; Style: Word): Integer; stdcall;
{$EXTERNALSYM LZOpenFileA}
function LZOpenFileA(Filename: PAnsiChar; var ReOpenBuff: TOFStruct; Style: Word): Integer; stdcall;
{$EXTERNALSYM LZOpenFileW}
function LZOpenFileW(Filename: PWideChar; var ReOpenBuff: TOFStruct; Style: Word): Integer; stdcall;
{$EXTERNALSYM LZSeek}
function LZSeek(hFile: Integer; Offset: Longint; Origin: Integer): Longint; stdcall;
{$EXTERNALSYM LZRead}
function LZRead(hFile: Integer; Buffer: LPSTR; Count: Integer): Integer; stdcall;
{$EXTERNALSYM LZClose}
procedure LZClose(hFile: Integer); stdcall;


implementation

const
  lz32 = 'LZ32.DLL';

function GetExpandedName;    external lz32 name 'GetExpandedNameA';
function GetExpandedNameA;    external lz32 name 'GetExpandedNameA';
function GetExpandedNameW;    external lz32 name 'GetExpandedNameW';
procedure LZClose;              external lz32 name 'LZClose';
function LZCopy;                external lz32 name 'LZCopy';
function LZInit;                external lz32 name 'LZInit';
function LZOpenFile;         external lz32 name 'LZOpenFileA';
function LZOpenFileA;         external lz32 name 'LZOpenFileA';
function LZOpenFileW;         external lz32 name 'LZOpenFileW';
function LZRead;                external lz32 name 'LZRead';
function LZSeek;                external lz32 name 'LZSeek';

end.