[bug#35880] [PATCH 1/7] lzlib: Add 'make-lzip-input-port/compressed'.

[Pierre Neidhardt]

Ludovic Courtès <address@hidden> writes:

>> Bigger oops!  This comes from a copy-paste of the gzip docstring which I
>> forgot to update properly (I did for the decompression functions, but
>> not for the compression functions).  The docstrings should be fixed.
>
> I fixed this one in e13354a7ca5a0d5e28e02c4cfce6fecb1ab770e4.

Thanks!

>> The thing is that we are not using lzlib as it is meant to be used
>> (i.e. with the finish* functions) because of the functional approach of
>> the binary ports which don't really play well with the procedural
>> approach of the C library.
>
> I think we’re using it the way it’s meant to be used, roughly along the
> lines of the examples of its manual (info "(lzlib) Examples").
>
> (I/O ports are not very “functional”.)

In the sense that we define  "read!" and "write!" functions which don't
allow us to call the "finish" functions properly.

So maybe we are following the doc too "roughly" :p

This has multiple implications, e.g. it impedes support for multiple
members, (which is OK as long as we don't accept archives produced by a
third-party) and more importantly it lifts the guarantee that the
library is going to work as per the documentation.

>>> And I pushed the whole thing! :-)
>>
>> Hurray!  Can't wait to say lz-compressed archives coming to Guix! :)
>
> I’ve updated the ‘guix’ package so people can start using
> ‘guix publish -C lzip’ and fetch substitute from there.
>
> Thanks for making it possible!

And thanks for doing most of the work! :D

-- 
Pierre Neidhardt
https://ambrevar.xyz/

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