Re: Recent TTYDEF_LFLAG default change

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Wed, 03 Nov 2004 12:15:34 +0100
In message <20041103111157.GA12950_at_nagual.pp.ru>, Andrey Chernov writes:
>TTYDEF_LFLAG have ECHO* in it for years, and it is user-visible, some 
>programs may use it (see recent stty/key.c hacking).
>
>Why it was needed to remove ECHO* from here just to make yet one 
>non-standard, non cross-BSD compatible and unknown TTYDEF_LFLAG_ECHO?

Because if you open a serial port and it defaults to echo, you may end up in
an "echo-war" with the other end before you ever get a chance to call
ioctl and disable echoing.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Wed Nov 03 2004 - 10:15:36 UTC

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