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9term, win: better echo cancellation

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Also just drop \r from output.
It's a losing battle to keep turning it off.

R=rsc
http://codereview.appspot.com/2128042
This commit is contained in:
Russ Cox 2010-09-03 10:21:16 -04:00
parent a208917e7a
commit ef5c6a6eda
6 changed files with 129 additions and 61 deletions
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23
src/cmd/9term/bsdpty.c
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@ -96,29 +96,6 @@ isecho(int fd)
return ttmode.c_lflag&ECHO;
}
int
setecho(int fd, int newe)
{
int old;
if(tcgetattr(fd, &ttmode) < 0)
fprint(2, "tcgetattr: %r\n");
old = ttmode.c_lflag & ECHO;
if(old != newe){
ttmode.c_lflag &= ~ECHO;
ttmode.c_lflag |= newe;
/*
* I tried using TCSADRAIN here, but that causes
* hangs if there is any output waiting for us.
* I guess TCSADRAIN is intended for use by our
* clients, not by us.
*/
if(tcsetattr(fd, 0, &ttmode) < 0)
fprint(2, "tcsetattr: %r\n");
}
return old;
}
int
getintr(int fd)
{