Path: utzoo!attcan!uunet!edsews!teemc!rphroy!tkacik
From: tkacik@rphroy.uucp (Tom Tkacik)
Newsgroups: comp.std.c
Subject: Re: warning: '/*' within comment
Message-ID: <25176@rphroy.UUCP>
Date: 11 Jun 90 18:36:22 GMT
References: <1990Jun1.200433.6919@druid.uucp> <AaOZGd_00as98coVU9@andrew.cmu.edu> <16786@haddock.ima.isc.com> <371@necssd.NEC.COM> <1774@tkou02.enet.dec.com> <1990Jun8.224827.23783@diku.dk> <1777@tkou02.enet.dec.com>
Sender: news@rphroy.UUCP
Reply-To: tkacik@rphroy.uucp (Tom Tkacik)
Organization: GM Research, Warren, Mi
Lines: 26


In article <1777@tkou02.enet.dec.com>, diamond@tkou02.enet.dec.com
(diamond@tkovoa) writes:
 
|> What's the problem?
|>  #include <stdio.h>
|>  #if 0
|>  C's weird#if 1 /* isn't it */
|>  #else
|>  int main(int c, char *v[]) { printf("Hello, world!\n"); return 0; }
|>  #endif
|> preprocesses to
|>  [contents of <stdio.h>]
|>  int main(int c, char *v[]) { printf("Hello, world!\n"); return 0; }
|> regardless of whether the preprocessor really tokenizes or not the line
|>  C's weird#if 1 /* isn't it */

The problem is the C's.  If the preprocessor tokenizes, it will think that
the 's is the start of 's'.  It may issue an error about a missing
closing quote.  Even though the text is ignored, this must be analyzed. 
--
Tom Tkacik			GM Research Labs,   Warren MI  48090
Work phone: (313)986-1442	uunet!edsews!rphroy!megatron!tkacik
"I'm president of the United States, and I'm not going to eat anymore
broccoli."
						--- George Bush