Mercurial > vim
view src/libvterm/find-wide-chars.pl @ 33920:28e1e956f42c v9.0.2159
patch 9.0.2159: screenpos() may crash with neg. column
Commit: https://github.com/vim/vim/commit/ec54af4e26952d954a4cc009f62c80ea01445d30
Author: zeertzjq <zeertzjq@outlook.com>
Date: Tue Dec 12 16:43:44 2023 +0100
patch 9.0.2159: screenpos() may crash with neg. column
Problem: screenpos() may crash with neg. column
Solution: validate and correct column
closes: #13669
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 12 Dec 2023 17:00:08 +0100 |
parents | 55a373a243c0 |
children |
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#!/usr/bin/perl use strict; use warnings; STDOUT->autoflush(1); sub iswide { my ( $cp ) = @_; return chr($cp) =~ m/\p{East_Asian_Width=Wide}|\p{East_Asian_Width=Fullwidth}/; } my ( $start, $end ); foreach my $cp ( 0 .. 0x1FFFF ) { iswide($cp) or next; if( defined $end and $end == $cp-1 ) { # extend the range $end = $cp; next; } # start a new range printf " { %#04x, %#04x },\n", $start, $end if defined $start; $start = $end = $cp; } printf " { %#04x, %#04x },\n", $start, $end if defined $start;