Trygve Inda <mailto:[EMAIL PROTECTED]> wrote (Sunday, June 8, 2008 1:25 AM -0000):

Is zlib in all versions of 10.4 and 10.5?

Yes. I use zlib extensively in my application, which runs on 10.4 and 10.5.

Will any version of zlib always uncompress something created with a
different version?

No. The library will return Z_VERSION_ERROR if you try to inflate something that the working zlib library doesn't understand.

That said, zlib has been stable for years. If you're just now getting started with compression, you should't have version problems (that you can't manage).

Any endian issues with zlib?

zlib compresses bytes, not words, so there are no inherent endian issues when using zlib. Your actual data is another matter; You'll have the same endian issues you would storing/moving uncompressed data between systems.

--
James Bucanek

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