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 PKWareU - PKWare ZIP viewer unit   Terry Sansom 17.10.1993

Модуль для просмотра содержимого ZIP архивов (TPU only!).
PKWareU - is a PKWare ZIP viewer unit. It allows acess to key fields inside PKWare's ZIPed type files. Samples and TPU6 included only :(



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PKWareU Version 1.0a October 1993. For Borland Turbo Pascal Version 5.5, may not work with other versions. BACKGROUND This unit came out of a need to access files inside zipped files in another program which I was writing at the time. I have tested it with version 1 and 2 of PKZIP'd files, and it seems to work correctly. YOUR RIGHTS Feel free to distribute this package, in whole only. This package must contain the following before distribution.. README.TXT - This little manual. MANUAL.DOC - Reference manual for PKWAREU PKWAREU.TPU - Compiled Pascal unit PKWAREU.INC - Interface section of PKWAREU.TPU. PKDEMO1.PAS - Source for demo 1. PKDEMO1.EXE - Executable demo 1. PKDEMO2.PAS - Source for demo 2. PKDEMO2.EXE - Executable demo 2. PURPOSE Very simply, to allow us Turbo Pascal programmers access to the details, not the compressed data, inside PKWARE's zipped archives. USE Use as you would any other Pascal unit. Several routines are available for you to use. I limited the number for call-able routines so the information would not be overwhelming. I hope you find these routines usfeul, considering the limited scope of this unit. Please note that in these routines I do very little in the way of heap checking and IO errors. I did this for two reasons. First it allows YOU the freedom to handle erros as YOU wish, not as I would have you deal with them. Second. I find that there are already many good tools to aid Pascal programers, but functinality reduced due to someone else adding fruitless robustness, which only adds program bulk and slowing exicution speed (TechnoJocks Turbo Toolbox comes to mind). NOTE: You are responsible for opening and closing the ZIP File. It must be assigned to the File variable "Zipfile", which is declared in the interface of the PKwareU. See the demos for how this is done. TYPES, VARS, and CONSTS See PKWAREU.INC for details of types used. If you have the source code you can actually change them! CONTACT If you would like the source code to this unit please contact me. I charge a small fee for my time, and do not want the code released to the public domain. You can use the unit "as is" in any program donated to the pubic domain! We will discuss PKWAREU uses in programs for money (shareware or business ventures) if you contact me. Terry Sansom, 9102 83 Ave Edmonton, Alberta CANADA T6C 1B7 e-mail: ts_az@hotmail.com Or on Compuserve my number is [70574,3205] The LEGAL stuff: Terry Sansom makes NO warranty for this product, and is not liable for damages caused by the use of, or inability to use, this product. All terms mentioned in this package that are known to be trademarks or service marks are listed below. I can not attest to the accuracy of this information. If a mistake exists please contact me for corrections. In addition the use of a term in this package should not be regarded as affecting the validity of any trademark or service mark. MS-DOS is a trademark of Microsoft Corporation. PKZIP, PKUNZIP, PKWARE are registered trademarks of PKWARE Inc. Turbo Pascal is a registered trademark of Borland International, Inc.