PasZlib-SG - my object-oriented version of ZLib for Borland Delphi and Kylix


PasZlib-SG is a modified vesrion of PASZLIB, a Pascal/Delphi 5 port of Zlib. Zlib is a free data compression library; for more information regarding Zlib, see:

Copyright Information

PASZLIB-SG Copyright (C) 2003 by Sergey A. Galin.
PASZLIB Copyright (C) 1998, 1999, 2000 by NOMSSI NZALI Jacques H. C., a Pascal port of zlib 1.1.2, Copyright (C) 1995-1998 by Mark Adler.

Key features of PasZlib-SG

  • Absoultely free both for commercial and non-commercial use.
  • Very fast compresson and decompression.
  • Can be compiled under Delphi 6 and Kylix (tested under Kylix 1.0). Should work for older versions of Delphi without or with small modifications.
  • Can create files compatible with GNU GZip (.gz).
  • Great object-oriented interface working over standard C-style functions (gzopen, gzread...), allowing compression of streams (TStream descendants) and other data. Old-style interface, of course, is still available, but work with TStream objects instead of ordinary file handles.
  • Exception-based error handling.
  • Additional classes to support placing a number of compressed objects into single stream.

Legal Issues

This software is provided 'as-is', without any express or implied warranty. In no event will the author be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

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© Sergey A. Galin, 1998-2024
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