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bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fi
From: |
Eli Zaretskii |
Subject: |
bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications |
Date: |
Tue, 01 Oct 2019 19:07:30 +0300 |
> From: Matthew Leach <matthew@mattleach.net>
> Cc: 37564@debbugs.gnu.org
> Date: Tue, 01 Oct 2019 16:47:35 +0100
>
> > Thanks, but I don't think we can make this change unconditionally,
> > because not all applications that heed LINES and COLUMNS use ncurses.
>
> I'm curious as to which programs you are referring? AFAIK, if a program
> tries to read the LINES and COLUMNS environment variables, using
> `getenv()', they don't exist.
What makes you say that? Emacs exports these variables into the
environment that is passed to child subprocesses, so those
subprocesses will definitely see them using getenv.
> Nevertheless, if a program does read the LINES and COLUMNS variables,
> these values will be wrong if the window has been resized (try and
> compile the attached C snippet and run in term mode while resizing the
> window). Should that be considered as a separate bug?
We nowadays have window-adjust-process-window-size-function to support
that, and term.el is using that. So why isn't it working for you?
Maybe you are running a version of Emacs that's too old (AFAICT, you
didn't say which one)?
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Eli Zaretskii, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Matthew Leach, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications,
Eli Zaretskii <=
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Matthew Leach, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Eli Zaretskii, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Eli Zaretskii, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Matthew Leach, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Eli Zaretskii, 2019/10/01
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Glenn Morris, 2019/10/03
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Matthew Leach, 2019/10/04
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Matthew Leach, 2019/10/04
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Lars Ingebrigtsen, 2019/10/07
- bug#37564: [PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications, Andreas Schwab, 2019/10/07