delorie.com/archives/browse.cgi | search |
From: | Damian Yerrick <DELCAPSyerricde AT pineight DOT 8mSOFTWARE DOT com> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Flush stdin? |
Organization: | Pin Eight Software <http://yerricde.tripod.com/binaries/> |
Message-ID: | <aQ4ZOPUNnvi=VFn1RZjihKytIU=r@4ax.com> |
References: | <Pine DOT SUN DOT 3 DOT 91 DOT 991028192929 DOT 9453N-100000 AT is> <38191ba8 DOT 20771109 AT news DOT ma DOT ultranet DOT com> |
X-Newsreader: | Forte Agent 1.6/32.525 |
MIME-Version: | 1.0 |
Lines: | 23 |
X-Trace: | /Kp2lrk7wyEGjutw20lsSXmwDZsCWxVEHI1voNmRrHr/8t/OwZwEhBATVFLvkKxJFzPeaUnGo/WT!It1+jEe2Ald8r4u3uoZVYKfGfOwhTNA8iNx7Vb+xjpkvEClVr7ro2kzUqTTtUJbMtw== |
X-Complaints-To: | abuse AT gte DOT net |
X-Abuse-Info: | Please be sure to forward a copy of ALL headers |
X-Abuse-Info: | Otherwise we will be unable to process your complaint properly |
NNTP-Posting-Date: | Fri, 29 Oct 1999 03:06:23 GMT |
Distribution: | world |
Date: | Fri, 29 Oct 1999 03:06:23 GMT |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
On Thu, 28 Oct 1999 09:47:25 GMT, cybpunk AT geocities DOT com (John G) wrote: > >But a better solution would be to rewrite your code so that it doesn't > >*need* to empty the input buffer at all. Unfortunately, you didn't > >provide any details about why do you need to empty stdin, so it is > >impossible to give a more specific advice. > > Okay, this is the reason I need to empty the buffer. Say I input a > int with fscan then latter on input a character. Say the user doesn't > follow directions and enters 1.5. Input stops at the period and > leaves .5 in the buffer. Now when I use fscan to input a character it > grabs the . out of the buffer and doesn't wait for input from the > keyboard. Clearing out the buffer before the call to fscan solves > this problem. I've always done my scanf()ing by combining gets() with sscanf(). It's quite a bit safer, as you get a line at a time, similar to what is done with "LINE INPUT string$" in some Basic dialects. -- Damian Yerrick Visit my web site: http://yerricde.spedia.net/
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |