All Questions
147
questions
1
vote
0
answers
103
views
Static assert failure while using boost::iostreams::gzip_decompressor()
I have a large compressed file that I have to read and periodically need to change the position in the file when reading, that's why I want to make it seekable. I have two versions to declare the ...
- 49
0
votes
2
answers
142
views
How to re-inititate read after reaching EOF during stream decompression with Boost:iostreams?
I am trying to realize a streaming de-compressor with Boost:iostreams that could work with incomplete compressed files (the size of the uncompressed file is known before the decompression starts). ...
1
vote
1
answer
247
views
Is there way to block uncompress a compressed file using zip, gzip or zlib?
I want to give some sort of an 'offset' where the zlib will start its decompression from at init,
I have control over how file is compressed.
My question is, is there any block or boundary concepts in ...
0
votes
1
answer
352
views
Writing a compressed buffer to a gzip compatible file
I would like to compress a bunch of data in a buffer and write to a file such that it is gzip compatible. The reason for doing this is that I have multiple threads that can be compressing their own ...
0
votes
1
answer
493
views
Problems decompressing gzip
I'm trying to use a gzip c++ library to decompress some text that i compressed using this website that had a tool to do it, but when i try to decompress it in my project it says that its not ...
- 41
0
votes
1
answer
291
views
python equivalent of C++ z_stream inflate
I am trying to decompress a .gz file that comes from a material board with custom headers using python.
I have as example a C++ file that decompress that file using the inflateInit2 function from the ...
- 119
1
vote
0
answers
277
views
Boost gzip filter Segmentation fault (core dumped) error
Using the boost library, I was trying to read the gzip file.
but i faced the Segmentation fault error.
may i know what the problem is?
boost/1.79.0
Ubuntu 20.04.3 LTS
#include <boost/filesystem....
- 11
1
vote
1
answer
316
views
Speeding up boost::iostreams::filtering_streambuf
I am new to the C++ concept of streams and want to ask for some general advice to speed up my code in image processing. I use a stream buffer boost::iostreams::filtering_streambuf to load and ...
- 117
0
votes
1
answer
161
views
Failed to unarchive file which compressed by c++ zlib.h
Compress string (i tried to compress file but it didnt help) and save compress data to file:
#include <iostream>
#include <fstream>
#include <zlib.h>
int main() {
char a[50] = &...
- 117
0
votes
2
answers
3k
views
How to decompress gzip stream
I would like to send data over a network which is gzip compressed. The data is sent in chunks from a C# server which compresses it using a stream compressor before it sends. I would like the C++ ...
user18476469
0
votes
0
answers
346
views
zlib gzread does not decompress entire file
I'm trying to write a function that can decompress a gzip-compressed file with zlib. The file I am trying to decompress is 294 bytes compressed, and I am able to decompress it with 7zip to give me a ...
0
votes
1
answer
185
views
How to handle gzip-compressed responses with the gsoap logging plugin; alternately, how to turn off compression completely
UPDATE
I have resolved the issue, at least to my satisfaction. I was using a window size of -15 in inflateInit2, based on other examples I had seen, but this was obviously not correct. Based on a ...
- 123k
3
votes
1
answer
1k
views
Boost gzip how to output compressed string as text
I'm using boost gzip example code here.
I am attempting to compress a simple string test and am expecting the compressed string H4sIAAAAAAAACitJLS4BAAx+f9gEAAAA as shown in this online compressor
...
- 1,262
0
votes
1
answer
295
views
How are gzip content stored in a file? [duplicate]
I am able to compress certain content with "gzip" format and store it in a file. This content can be decompressed programatically within my code.
But I can't "gunzip" them using ...
- 69.6k
-2
votes
1
answer
252
views
How to decompress gzip containing multiple files?
Is there an option, using zlib or boost, to unpack a gzip archive containing several files?
All options which I figured out were for 1 single file in archive.
I know about minizip, quazip and other ...
- 53