473,406 Members | 2,217 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,406 software developers and data experts.

zlib and zip files

Hi,
I need to decompress zip archive. I wrote a parser of zip file, i obtain
the compressed data, but when i call zlib.decompress(data) on them,
it throws this error:

decbuf = decompressor.decompress(compressed_data)

error: Error -3 while decompressing: unknown compression method

I try to compress by zlib the same data which are in that file, the
result was 6 bytes bigger, '\x78\xda' on begin and '\xc9\x1f\x87\x0b' on end
when i tried to put this extending data to zlib decompressor, it
decompress some files of zip archive, but it fails, when i try to
decompress 100MB file from archive

could you help, please?
thanks
Honza

Apr 14 '06 #1
0 1169

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

0
by: Tony | last post by:
Hello, Any assistance would be appreciated: As the subject suggests I am trying to gunzip files using the Compress::Zlib module. The following is basically the code that I am working with: ...
4
by: Peter | last post by:
Hi, Not sure if this is a proper ng to post this question. Is here anybody who has used zlib? I downloaded 1.2.1 of zlib from www.gzip.org/zlib (for windows 98/nt/2000/xp), and used it in my...
6
by: Laszlo Zsolt Nagy | last post by:
Sorry, I realized that the import zlib was not executed from my (working) service. So here is the question: why can't I use zlib from a win32 service? Is there any way to make it working? ...
1
by: Dennis Powell | last post by:
Does anyone have a successful implementaion of the zlib.dll in VB. Net they can show me. I'm writting a class encaplsulating zlib functionality and I keep getting a System.NullReferenceException...
0
by: Jan Prochazka | last post by:
Hi, I need to decompress zip archive. I wrote a parser of zip file, i obtain the compressed data, but when i call zlib.decompress(data) on them, it throws this error: decbuf =...
1
by: DLPnet | last post by:
Hello all, I m not sure if it is the good newsgroup, please fu to the correct one if you know (already tried comp.compression with no answer) I m really knew to the use of the zlib in C++ to...
4
by: shamzz | last post by:
Hi, I've compiled (configure/make/make install) Python 2.4.4 from source on Suse Linux Enterprise Server 9 (x64). I need Python to be compiled with Zlib so that I can compile and use Zope. ...
4
by: ZedLep | last post by:
Hello, First of all I'm a relatively inexperienced C++ programmer so this may seem a simple question to answer. I'm trying to use zlib from www.zlib.net to decompress some data. However I run...
4
by: MZ | last post by:
Hello! I`ve tried to instal zlib library to use zip functions to pack files into zip archive. I don`t know how I have to configure zlib to make it work. I have built up php.ini file and...
0
by: Charles Arthur | last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
0
BarryA
by: BarryA | last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
1
by: Sonnysonu | last post by:
This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...
0
by: Hystou | last post by:
There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
0
marktang
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
0
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
0
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
0
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
0
agi2029
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.