Core: stricter UTF-8 handling in ngx_utf8_decode(). An UTF-8 octet sequence cannot start with a 11111xxx byte (above 0xf8), see https://datatracker.ietf.org/doc/html/rfc3629#section-3. Previously, such bytes were accepted by ngx_utf8_decode() and misinterpreted as 11110xxx bytes (as in a 4-byte sequence). While unlikely, this can potentially cause issues. Fix is to explicitly reject such bytes in ngx_utf8_decode().

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


CFLAGS = -zq -bt=nt -ot -op -oi -oe -s -bm $(CPU_OPT)

zlib.lib:
	cd $(ZLIB)

	wcl386 -c $(CFLAGS) adler32.c crc32.c deflate.c trees.c zutil.c &
		compress.c inflate.c inffast.c inftrees.c
	wlib -n zlib.lib adler32.obj crc32.obj deflate.obj trees.obj &
		zutil.obj compress.obj inflate.obj inffast.obj inftrees.obj