From: Tudor <tudor AT cam DOT org>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: getch() and getche()
Date: Sun, 19 Jan 1997 19:08:51 -0800
Organization: Communications Accesibles Montreal
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Message-ID: <32E2E1C3.4E03@cam.org>
References: <32E251B8 DOT 1C3E AT dmv DOT com> <32E29D1A DOT B63 AT bc DOT sympatico DOT ca>
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To: djgpp AT delorie DOT com
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eblazecka wrote:
> 
> Pyro Technic wrote:
> >
> > i don't no if NE1 else has noticed this but there is a very annoying
> > featire with getch() and getche(). as a newbie i'd much appreciate NE1
> > who could point out how to fix it.
> >
> > Here's the problem.
> >
> > --code segment--
> >  cout << "Y for yes or N for No: ";
> >  answer = getche();
> >  ......
> > --end--
> >
> > the output is weird. your given a blank screen. if U procede as if the
> > message had appeared( push 'Y' for instance) then 'Y' is diplayed
> > followed by "Y for yes or N for No: ". weird
> >
> > although if it is written like this
> > --code segment--
> > cout << "Y for yes or N for No:\n";           //note the \n addition
> > answer = getche();
> > .....
> > --end--
> >
> > then the message gets displayed, but Y is on the next line.
> >
> >         tanx,
> >         Pyro
> Not too sure, haven't used cout in awhile, but I think if you just do
> cout << "blah blah blah" << flush;
> or
> cout.flush();
> and then do getche it might work.
I think this is normal behaviour because DJGPP uses buffered I/O so the
thing you write to the screen appears only when you flush the buffer or
put a newline char on the line.
-- 
tudor 'at' cam 'dot' org
yoda69 'at' hotmail 'dot' com
http://www.cam.org/~tudor

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