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Sam Roberts dfa8abe1b5 deps: upgrade zlib to 1.2.11 8 years ago
..
ZLib.pas deps: upgrade zlib to 1.2.11 8 years ago
ZLibConst.pas deps: upgrade zlib to 1.2.8 10 years ago
readme.txt deps: upgrade zlib to 1.2.8 10 years ago
zlibd32.mak deps: upgrade zlib to 1.2.8 10 years ago

readme.txt


Overview
========

This directory contains an update to the ZLib interface unit,
distributed by Borland as a Delphi supplemental component.

The original ZLib unit is Copyright (c) 1997,99 Borland Corp.,
and is based on zlib version 1.0.4. There are a series of bugs
and security problems associated with that old zlib version, and
we recommend the users to update their ZLib unit.


Summary of modifications
========================

- Improved makefile, adapted to zlib version 1.2.1.

- Some field types from TZStreamRec are changed from Integer to
Longint, for consistency with the zlib.h header, and for 64-bit
readiness.

- The zlib_version constant is updated.

- The new Z_RLE strategy has its corresponding symbolic constant.

- The allocation and deallocation functions and function types
(TAlloc, TFree, zlibAllocMem and zlibFreeMem) are now cdecl,
and _malloc and _free are added as C RTL stubs. As a result,
the original C sources of zlib can be compiled out of the box,
and linked to the ZLib un