Article View: comp.sys.ibm.pc.programmer
Article #923Re: `C' type question...
From: Kevin D. Quitt
Date: Tue, 10 Jul 1990 16:22
Date: Tue, 10 Jul 1990 16:22
33 lines
1427 bytes
1427 bytes
In article <26854@netnews.upenn.edu> weisen@eniac.seas.upenn.edu (Neil Weisenfeld) writes:
>Maybe I should read K&R a little more thoroughly before posting this, but...
>
>Why does the following segment of code give a conversion between
>integral types warning under MSC6.00?
>
>void strmem(char *mem, char *str, int n)
>{
> if (str && mem)
> while (n--)
> *mem++=(*str)?(*str++):ACTUAL_SPACE;
>}
>
>where ACTUAL_SPACE is defined:
>
>#define ACTUAL_SPACE ' '
>
The ? operator evaluates as type int unless explicity cast. When in
doubt as to the source of a warning, try putting each component of the
statement on a different line:
*mem++=
(*str)?
(*str++):
ACTUAL_SPACE;
--
_
Kevin D. Quitt demott!kdq kdq@demott.com
DeMott Electronics Co. 14707 Keswick St. Van Nuys, CA 91405-1266
VOICE (818) 988-4975 FAX (818) 997-1190 MODEM (818) 997-4496 PEP last
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!ncar!zaphod.mps.ohio-state.edu!usc!srhqla!demott!kdq From: kdq@demott.COM (Kevin D. Quitt) Newsgroups: comp.sys.ibm.pc.programmer Subject: Re: `C' type question... Message-ID: <386@demott.COM> Date: 10 Jul 90 16:22:13 GMT References: <26854@netnews.upenn.edu> Reply-To: kdq@demott.COM (Kevin D. Quitt) Distribution: usa Organization: DeMott Electronics Co., Van Nuys CA Lines: 33