c/7776: const char* p = "foo"; if (p == "foo") ... is compiled without warning!

Peter Schlaile udbz@rz.uni-karlsruhe.de
Fri Aug 30 11:06:00 GMT 2002


The following reply was made to PR c/7776; it has been noted by GNATS.

From: Peter Schlaile <udbz@rz.uni-karlsruhe.de>
To: Andrew Pinski <pinskia@physics.uc.edu>
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: c/7776: const char* p = "foo"; if (p == "foo") ... is compiled
 without warning!
Date: Fri, 30 Aug 2002 19:57:40 +0200 (CEST)

 Hi,
 
 On Fri, 30 Aug 2002, Andrew Pinski wrote:
 
 > Are you asking for a warning so that the warning would suggest strcmp?
 
 That was the intended idea, yes!
 
 > The code you provide does make sense to check for if the two occurrences
 > of "foo" are the same because the C standard does not say if they have
 > to be the same.
 
 Yup!
 
 Greetings,
 Peter
 
 ---
 Peter Schlaile  ***  eMail udbz@rz.uni-karlsruhe.de
 
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