[Zlib-devel] First contribution to zlib (Missing symbols from win32/zlib.def)

[Jan Nijtmans]

At first, thanks to Mark for letting me contribute to zlib.

Allow me to introduce myself. My name is Jan Nijtmans, member
of the TCT (Tcl Core Team). In a few months, Tcl 8.6 will come
out, and this will be the first version with integrated zlib support.
My prefered way to include zlib in the Tcl distribution (on Windows)
is to use the pre-built zlib1.dll. Unfortunately, Tcl uses two symbols
from the public API that were not exported from the dll.

So, I started to find out how to report this to the zlib maintainers,
and here I ended on this mailing list. I found the message about
the availability of zlib-1.2.3.3, it appears that not much has
happened in the last 2 years (since dec. '06). However, I did
a check which symbols are available from the public zlib API,
but were missing from win32\zlib.def. I found 4, and
here is a patch file adding them (attached to this mail)

Hopefully, zlib 1.2.4 will allow us to use the official zlib1.dll
build in the official Tcl build on Windows (from ActiveState).
Any problems encountered in using zlib with Tcl will
be reported to this list.

Is there any date planned for the release of zlib 1.2.4?

Regards,
           Jan Nijtmans
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