Re: [Boost-users] [iostreams] gzip problem

Subject: Re: [Boost-users] [iostreams] gzip problem
From: Nat Goodspeed (nat_at_[hidden])
Date: 2014-02-21 10:26:51

On Feb 21, 2014, at 5:00 AM, Olaf Krzikalla <olaf.krzikalla_at_[hidden]> wrote:

> I have a file format containing chunks of gzipped data (using gzip_decompressor/gzip_compressor). Inbetween these chunks there is other (plain) data. So can keep the archive seekable. However apparently this doesn't work out as it should. Whenever gzip_decompressor reaches the end of a chunk it throws an exception. 
> 
> after the footer is read and checked, the decompressor checks whether or not eof is reached. Obvisiously this isn't the case here - the decompressed chunk is just embedded in the file. Thus the decompressor restarts, but cannot find another header thus throwing an exception.

Could you wrap the input stream in a filter that would pass through only the chunk, pretending to its consumer that the chunk is the entire stream?