Zlib based buffer compression



I am trying to use the zlib based compression for buffer compression. In this case, I am using compress2 function.

compression_success=compress2((Bytef*)compressed_buffer, &compressed_size,(const Bytef*)package_data.pData, (uLongf)orig_size, 1);

And for decompression I am using uncompress function.

uncompress_success=uncompress((Bytef*)destination, &UnCompSize, (const Bytef*)package_data.pData, package_data.cbData);

The problem is that the system tend to be very slow. I have heard that the other functionalities of the zlib compression library like inflate and deflate can be very useful.

Pleas


Related to : Zlib based buffer compression
compression: zlib....?
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What the hell is "zlib" compresion? I'm trying to unzip a multi-volume archive but cant do it with winzip.
Is there any other prgrams to do it with?
the files are :
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kinst2.z03
kinst2.z04
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kinst2.z06
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/EDIT
Got the latest version of winzip, but can only open the zip file. when I try to open the others, I get the message "Cannot open file: it does not appear to be an valid archive." How is this possible if I can open the first file?
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Zlib based buffer compression
C & C++ & C#

I am trying to use the zlib based compression for buffer compression. In this case, I am using compress2 function.

compression_success=compress2((Bytef*)compressed_buffer, &compressed_size,(const Bytef*)package_data.pData, (uLongf)orig_size, 1);

And for decompression I am using uncompress function.

uncompress_success=uncompress((Bytef*)destination, &UnCompSize, (const Bytef*)package_data.pData, package_data.cbData);

The problem is that the system tend to be very slow. I have heard that the other functionalities of the zlib compression library like inflate and deflate can be very useful.

Pleas

IndexOutOfRangeException in zlib compression of iTextSharp
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I found a pretty annoying and serious problem in iTextSharp's zlib implementation. Very hard to reproduce because it depends on the actual data going into the PDF but in some circumstances, the following exception occurs:

System.IndexOutOfRangeException: Index was outside the
bounds of the array.
at System.util.zlib.Tree.d_code(Int32 dist)
at System.util.zlib.Deflate.compress_block(Int16[] ltree, Int16[]
dtree)

Zlib compression through PHP [on hold]
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I would like to activate Zlib compression through PHP. What code should I use for the PHP.ini file. I'm a bit confused on the best way of setting this up. http://php.net/manual/en/book.zlib.php



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