Re: Regression from 6.1 to 6.2 with wbkgd

[Marc Rechté]

Answers below your questions.

Note that if I revert to last 6.1 version 
(ncurses-6.1-7-x86_64.pkg.tar.xz), the problem disappears.

Thanks

Le 29/02/2020 à 14:01, Thomas Dickey a écrit :
> On Fri, Feb 28, 2020 at 07:36:55PM +0100, Marc Rechté wrote:
> > Hello,
> >
> > The following code produces a window full of "€" (see attached capture)
> > characters with 6.2 wheras 6.1 produces a blank window.
>
> in a quick check, I don't see that.  But since your program doesn't
> call setlocale, I'm guessing that's part of what I'm missing:
>
> a) what's your locale?
$ locale

LANG=fr_FR.utf8

LC_CTYPE="fr_FR.utf8"

LC_NUMERIC="fr_FR.utf8"

LC_TIME="fr_FR.utf8"

LC_COLLATE="fr_FR.utf8"

LC_MONETARY="fr_FR.utf8"

LC_MESSAGES="fr_FR.utf8"

LC_PAPER="fr_FR.utf8"

LC_NAME="fr_FR.utf8"

LC_ADDRESS="fr_FR.utf8"

LC_TELEPHONE="fr_FR.utf8"

LC_MEASUREMENT="fr_FR.utf8"

LC_IDENTIFICATION="fr_FR.utf8"

LC_ALL=


> b) what terminal program?
Gnome Terminal 3.34.2
> c) what encoding is the terminal set to?
Occidental - WINDOWS-1252
> d) which (ncurses/ncursesw) library are you using?
$ pacman -Qi ncurses

Nom                      : ncurses

Version                  : 6.2-1

Description              : System V Release 4.0 curses emulation library

Architecture             : x86_64

URL                      : https://invisible-island.net/ncurses/ncurses.html

Licences                 : MIT

Groupes                  : --

Fournit                  : libncurses++w.so=6-64  libformw.so=6-64

                           libmenuw.so=6-64  libpanelw.so=6-64

                           libncursesw.so=6-64

Dépend de                : glibc  gcc-libs

Dépendances opt.         : --

Requis par               : alsa-utils  aspell  bash  ceph  dialog  gdb

                           gptfdisk  guile  guile2.0  kconfig-frontends 
 lame

                           less  lib32-ncurses  libcaca  libcdio  libedit

                           libxml2  llvm-libs  mencoder  mplayer  mutt 
nano

                           openshadinglanguage  pinentry  procps-ng  psmisc

                           readline  screen  texinfo  tmux  vi  xterm

Optionnel pour           : ocaml  vlc  wine

Est en conflit avec      : --

Remplace                 : alacritty-terminfo

Taille installée         : 3,55 MiB

Paqueteur                : Bartłomiej Piotrowski <address@hidden>

Compilé le               : jeu. 13 févr. 2020 09:08:28

Installé le              : ven. 28 févr. 2020 11:55:16

Motif d’installation     : Installé comme dépendance d’un autre paquet

Script d’installation    : Non

Validé par               : --


> e) if self-built (how?)
>     if packaged (distribution, etc, to check package).
https://www.archlinux.org/packages/core/x86_64/ncurses/
> Offhand, that could be something overlooked in this set of changes,
> but it's been a while:
>
> 20190817
>         + amend 20181208 changes for wbkgd() and wbkgrnd(), fixing a few
>           details where it still differed from SVr4.
> 20181208
>         + modify wbkgd() and wbkgrnd() to improve compatibility with SVr4
>           curses, changing the way the window rendition is updated when the
>           background character is modified (report by Valery Ushakov).