zlib: sync with upstream

More Windows #ifdef shuffling. Only one change relevant for OpenBSD:
Make deflateBound() more conservative and handle Z_STREAM_END.

libz: sync with upstream

- fix type of local variable in deflate_stored()
- more Windows compat shuffling
- wrap overlong line in gzread

zlib: sync with upstream

Update to zlib 1.3.1

Since we already pulled in all fixes, this only bumps version/magic numbers
and copyright years. The fixes relevant to OpenBSD are:

- Fix bug in inflateSync() for data held in

Update to zlib 1.3.1

Since we already pulled in all fixes, this only bumps version/magic numbers
and copyright years. The fixes relevant to OpenBSD are:

- Fix bug in inflateSync() for data held in bit buffer
- Add LIT_MEM define to use more memory for a small deflate speedup
- Add bounds checking to ERR_MSG() macro, used by zError()
- Various portability and appearance improvements

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libz: sync with upstream's develop branch as of Jan 18

Fix bug when using gzflush() with a very small buffer.

from upstream

Update libz to the HEAD of the develop branch

This mostly moves from K&R prototypes to ANSI prototypes and includes a
handful of bug fixes that are nice to have. The corresponding sys commit
will al

Update libz to the HEAD of the develop branch

This mostly moves from K&R prototypes to ANSI prototypes and includes a
handful of bug fixes that are nice to have. The corresponding sys commit
will allow us to undo some hacks that jca applied to make the kernel build
with clang 15.

discussed with deraadt

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Drop RCS ids in upstream zlib source

We're not maintaining a this as a fork, it's upstream source with a handful
of patches. Thus, the RCS ids aren't particularly useful or important. They
are a bit

Drop RCS ids in upstream zlib source

We're not maintaining a this as a fork, it's upstream source with a handful
of patches. Thus, the RCS ids aren't particularly useful or important. They
are a bit of a maintenance burden and generate noise in diffs.

ok kn, no objection millert, "kill" guess who

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Update base libz to 1.2.13

This update contains a few bugfixes (some of which we have already
backported to 1.2.12) and a ton of cosmetic changes. The relevant
bits of the ChangeLog are:

- Repair p

Update base libz to 1.2.13

This update contains a few bugfixes (some of which we have already
backported to 1.2.12) and a ton of cosmetic changes. The relevant
bits of the ChangeLog are:

- Repair prototypes and exporting of new CRC functions
- Have infback() deliver all of the available output up to any error
- Fix a bug when getting a gzip header extra field with inflate()
- Fix bug in block type selection when Z_FIXED used
- Tighten deflateBound bounds
- Remove deleted assembler code references
- Various portability and appearance improvements

Tested on amd64 and arm64 by me and on sparc64 by kn.

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Update to zlib 1.2.12

Build tests by myself for amd64 and arm64, sthen and inoguchi for i386
and gkoehler for macppc and powerpc64, thanks!

Detailed changelog is part of the committed diff.

Update libz to zlib 1.2.11 and reapply local patches as far as this
made sense.

Tested in snaps for a few days. deraadt helped with fitting things on
floppies and jmatthew found a bug I introduced.

Update libz to zlib 1.2.11 and reapply local patches as far as this
made sense.

Tested in snaps for a few days. deraadt helped with fitting things on
floppies and jmatthew found a bug I introduced.

ok deraadt

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