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Mail Archives: djgpp/2001/08/10/22:15:23

Message-ID: <3B748D9A.5030708@operamail.com>
From: Sahab Yazdani <sahaby AT operamail DOT com>
Organization: PheonixSoft Interactive
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: if(a==0xff) warning
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Date: Sat, 11 Aug 2001 01:42:53 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

> 
> char a;
> 
> a=0xff;
> 
> if(a==0xff)foo();
> 
> 
> C:\>gcc foo.cpp -o foo.exe
> foo.cpp: In function `void main()':
> foo.cpp:598: warning: comparison is always false due to limited range of
> data
> type
> 
0xff=255, the limits of the char type is -127 - 127 so you can see how 
the "comparison is always false".


-- 
*********************************************************
* Sahab Yazdani * "Reality is irrelevent, perception is *
* Thornhill S.S * everything." - Zeddicus Zu'l Zorander *
*********************************************************
* http://pheonixsoft.virtualave.net/                    *
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