All Questions
35
questions with no upvoted or accepted answers
6
votes
0
answers
6k
views
using boost to compress and decompress gzip streams
I want to use boost to (de)compress gzip streams (not files), so I wrote this code:
#include <iostream>
#include <boost/iostreams/filtering_streambuf.hpp>
#include <boost/iostreams/...
- 792
5
votes
0
answers
2k
views
boost::iostreams, gzip files and tellg
I have been using boost::iostreams for reading an uncompressed text file. In my application, I need multiple file handles (stored in a map) to efficiently buffer data for different parameters stored ...
- 61
4
votes
0
answers
521
views
boost gzip_decompressor() Segmentation fault on free()
im using gzip_decompressor() from the boost library but i'm getting a strange Segmentation fault on free().
stringstream gzMessage;
stringstream rawMessage;
gzMessage << (*iter)->message;
...
- 71
3
votes
0
answers
536
views
boost: Uncompress http response using gzip failed
I'm trying to uncompress http body response using boost gzip filters. I'm using the standard code example provided everywhere:
std::string source = "c:\\install\\data.gz";
std::string destination = "...
- 31
3
votes
2
answers
2k
views
Decompressing gzip file to memory using libarchive
I'm trying to decompress programmatically a gzip file into memory and mimic the command gzip -d file.gz using libarchive project.
The file is actually taken from http response with the following ...
- 877
2
votes
0
answers
251
views
How to associate stream content with a file name without actually writing the content to disk?
I have an interface that reads files of few types. The interface has read and open methods (and few more). open receives a file name (const char*) and opens the file for reading. Currently I support ...
- 3,969
2
votes
0
answers
234
views
how to decompress data to a dynamically allocated memory location
Basically I am trying to decompress some source to the dynamically allocation memory pointed by data pointer. I have following code, I can see copy() is working, but data pointed memory is all 0s. ...
- 61
2
votes
1
answer
1k
views
How to keep stream position when using gzstream with gzipped file?
I have to deal with large files compressed with gzipped. I need to access a subset of the lines, not necessarily in order. Thus, I was thinking to go through all the file once while recording the ...
- 3,526
2
votes
0
answers
596
views
How to pack http request body using libcurl?
Is it possible to send requests using libcurl in gzipped form? How can I do that?
- 5,874
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
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 ...
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
0
answers
127
views
empty files are being decompressed and extracted
i have compressed few files using following format and filter through libarchive in linux environment
arch = archive_write_new();
archive_write_add_filter_gzip(arch);
archive_write_set_format_7zip(...
1
vote
1
answer
1k
views
zlib gzread function error when read .gz file?
like title, here is my code:
int decompress_one_file(char *infilename, char *outfilename)
{
gzFile infile = gzopen(infilename, "rb");
FILE *outfile = fopen(outfilename, "wb");
if (!infile ...
- 11
1
vote
1
answer
1k
views
boost::iostreams decompression returns an empty stream
I have a seemingly basic issue that I've been tackling for the past couple of days and can't seem to find an answer for. I have read multiple answers for similar issues, but none seems to work for me.
...
- 11