Mercurial > vim
view src/libvterm/find-wide-chars.pl @ 29647:d564107db756 v9.0.0164
patch 9.0.0164: using freed memory with put command
Commit: https://github.com/vim/vim/commit/c390cc13e55b25d85a0684aa1becde881ef8ab19
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Aug 7 18:09:10 2022 +0100
patch 9.0.0164: using freed memory with put command
Problem: Using freed memory with put command.
Solution: Get byte offset before replacing the line.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sun, 07 Aug 2022 19:15:02 +0200 |
parents | 55a373a243c0 |
children |
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line source
#!/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;