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From: Eric Blake <ebb9@byu.net>
Subject:  Re: Tried out cygwin-inst-20100111.tar.bz2
Date: Wed, 13 Jan 2010 16:18:38 +0000 (UTC)
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Eric Blake <ebb9 <at> byu.net> writes:

> In other words, tcsetattr should always be used on a struct termios obtained 
> from a read-modify-write manner, and never from a memset(0) manner, where the 
> use of O_TTY_INIT guarantees (trivially, if it is defined to 0) that any 
> extension fields in struct termios that need to be set to a non-zero value 
for 
> POSIX conformance are set correctly.

By the way, cygwin's extension fields are:

c_line
c_ispeed
c_ospeed

and any bits in the various tcflag_t fields that are set by default but which 
represent flags not specified in POSIX (off-hand, I didn't see any, but I 
didn't spend too much time looking).

-- 
Eric Blake



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