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Mail Archives: cygwin/1997/10/06/12:50:48

From: steve_dum AT mentorg DOT com (Steve Dum)
Subject: Re: A TINY BUG
6 Oct 1997 12:50:48 -0700 :
Message-ID: <199710061927.MAA18083.cygnus.gnu-win32@sdum.wv.mentorg.com>
References: <34391696 DOT 27758E19 AT softway DOT com>
To: gnu-win32 AT cygnus DOT com
Cc: steve_dum AT mentorg DOT com

In message <34391696 DOT 27758E19 AT softway DOT com>you write:
>> I have found that the following bad code gives "exception" at run
>> time instead of error message at compilation time (b18 Win95):
>> 
>> #include <stdio.h>
>> main(){
>>         printf("%s\n",sizeof(long));
>> }
>
>No compiler will detect this error at compile-time. The prototype for
>printf is (char *, ...); that is, no specific type information for

Well, actually, if you compile this with a -Wall gcc will diagnose it, and
emit the warning
f.c:3: warning: format argument is not a pointer (arg 2)

steve
--------------
Stephen Dum            steve_dum AT mentorg DOT com    (503)-685-7743
Mentor Graphics Corp.  8005 S.W. Boeckman Rd.   Wilsonville, Or 97070-7777
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