https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207681
Bug ID: 207681
Summary: [libc] re-enable regex bayer-moore for the general
multibyte case
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: p...@freebsd.org
Created attachment 167690
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=167690&action=edit
Enable regex multibyte support
Our regex(3) added full multibyte support since r132019, however it was
disabled for the general case. According to the commit:
"One other point of interest is that although the Boyer-Moore algorithm had
to be disabled in the general multibyte case, it is still enabled for UTF-8
because of its self-synchronizing nature. This greatly speeds up matching
by reducing the number of multibyte conversions that need to be done."
Now that we have support for collation in 11-current, the multibyte support has
all the chances of working correctly so we could enable it.
This seems to be much easier than replacing regex with a new version, but it
has yet to be tested thoroughly.
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