memcached: updated to 1.6.16

1.6.16

Overview

Minor bugfixes for memcached daemon. Critical bugfixes and API additions for the experimental proxy code (if using, please upgrade)

Fixes

proxy: add req:flag_token("F")
proxy: mcp.response code and rline API
proxy: add r:has_flag(), fix r:token() length
proxy: mcp.request() improvements
proxy: mcplib_request_token() doesn't delimit the final token in a request
tls: Disable TLS re-negotiation from SSL context
Fix undefined behavior and warning with clang
proxy: fix the hashstring size for evcache ketama
core: Fix FTBFS with GCC 12 on ppc64el
proxy: fix race crash from io obj use-after-free
proxy: fix mcp.await() when using extended args
proxy: add missing errno.h include to proxy.h
proxy: fix potential corruption on partial write
proxy: rework backend buffer handling to fix protocol desync bug
tests: skip whitespace on vendor/*
tls: Add switch to opt-in to kernel TLS on OpenSSL 3.0.0+
core: checks port number at start time
Add a command to dump keys for memcached-tool
proxy: 'proxyreqs' does not work unless 'proxyuser' also provided
proxy: replace proxycmds stream with proxyreqs
proxy: mcp.log_req* API interface


(adam)