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Re: GZDecompress bug [message #22691 is a reply to message #22687]

Wed, 05 August 2009 17:17

Novo
Messages: 1431
Registered: December 2006

Ultimate Contributor

luzr wrote on Wed, 05 August 2009 02:49

int GZDecompress(Stream& out, Stream& in, int size, Gate2<int, int> progress)

Here the 'size' parameter is a number of bytes to be read from in.

The size of .gz is 75 bytes, but you put there 48.

GZDecompress(index_stream, in, in.GetSize());

Thanks! That helped. I was confused by the name �size�. IMO there was no need to provide size of the input stream because it can be easily retrieved from the input stream. The only useful size I could imagine in this situation was a minimal size of the output stream (to avoid multiple reallocations).

A few lines of documentation would help me a lot in this situation.

Quote:

BTW, why MemStream? You can use 'out' as output directly without CopyStream.

Mirek

This is just a testing application. In a real application I keep uncompressed data in memory.

Another alternative to MemStream would be StringStream, but it wouldn�t let me to reserve initial buffer (what seems to be a good idea), and I�d like to avoid multiple reallocations.

Thanks a lot for your help!

Regards,
Novo

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[Message index]

		GZDecompress bug By: Novo on Tue, 04 August 2009 05:49
		Re: GZDecompress bug By: mirek on Tue, 04 August 2009 20:05
		Re: GZDecompress bug By: Novo on Wed, 05 August 2009 05:40
		Re: GZDecompress bug By: mirek on Wed, 05 August 2009 08:23
		Re: GZDecompress bug By: mirek on Wed, 05 August 2009 08:49
		Re: GZDecompress bug By: Novo on Wed, 05 August 2009 17:17
		Re: GZDecompress bug By: mirek on Wed, 05 August 2009 17:26
		Re: GZDecompress bug By: Novo on Wed, 05 August 2009 19:16
		Re: GZDecompress bug By: mirek on Wed, 05 August 2009 20:21
		Re: GZDecompress bug By: Novo on Wed, 12 August 2009 04:34
		Re: GZDecompress bug By: mirek on Wed, 12 August 2009 09:25
		Re: GZDecompress bug By: Novo on Fri, 14 August 2009 06:07

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