Path: utzoo!utgpu!water!watmath!clyde!bellcore!decvax!ucbvax!agate!ig!uwmcsd1!bbn!rochester!PT.CS.CMU.EDU!IUS1.CS.CMU.EDU!edw
From: edw@IUS1.CS.CMU.EDU (Eddie Wyatt)
Newsgroups: comp.lang.c
Subject: Re: C Quirk??
Summary: y
Message-ID: <885@PT.CS.CMU.EDU>
Date: 17 Feb 88 14:27:30 GMT
References: <1653@ssc-vax.UUCP> <804@PT.CS.CMU.EDU> <23498@hi.unm.edu> <186@ateng.UUCP>
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Organization: Carnegie-Mellon University, CS/RI
Lines: 15

> >
> >#define               clearline()             while (getchar() != '\n')
> 
> This is seriously bad code.  What if stdin reaches end of file?
> 

   It loops forever -- oops.  Change that to 

#define clearline() while (1) {int ch = getchar(); \
                         if ((ch == EOF) || (ch =='\n')) break; }

 
-- 

Eddie Wyatt 				e-mail: edw@ius1.cs.cmu.edu