view src/libvterm/find-wide-chars.pl @ 34892:58416c1d1b94 v9.1.0309

patch 9.1.0309: crash when 'textwidth' > MAX_INT Commit: https://github.com/vim/vim/commit/bba79808cb115d4f54063e8aa40628a927eab44e Author: Christian Brabandt <cb@256bit.org> Date: Thu Apr 11 22:54:44 2024 +0200 patch 9.1.0309: crash when 'textwidth' > MAX_INT Problem: crash when 'textwidth' > MAX_INT (after vv9.1.0055) (Zoltan Balogh) Solution: limit textwidth to MAX_INT fixes: #14482 closes: #14489 Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 11 Apr 2024 23:15:03 +0200
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;