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From: torek@elf.ee.lbl.gov (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: Interesting Bug in Microsoft C
Message-ID: <10594@dog.ee.lbl.gov>
Date: 5 Mar 91 01:07:05 GMT
References: <12541@pucc.Princeton.EDU>
Reply-To: torek@elf.ee.lbl.gov (Chris Torek)
Organization: Lawrence Berkeley Laboratory, Berkeley
Lines: 20
X-Local-Date: Mon, 4 Mar 91 17:07:05 PST

In article <12541@pucc.Princeton.EDU> EGNILGES@pucc.Princeton.EDU writes:
>A colleague wrote a program containing the value -2,147,483,648L (-2**31)
>which compiled and ran on Borland Turbo-C but produced a diagnostic "con-
>stant to long" on Microsoft QuickC.  When he changed it, replacing
>the value with -2,147,483,647L - 1 the program ran on QuickC.

If this is a warning, not an error, the compiler is merely being helpful.

The type and value of

	-2147483648L

on a machine with 32-bit `long's is

	<unsigned long, 2147483648UL>

See X3.159-1989 for details.
-- 
In-Real-Life: Chris Torek, Lawrence Berkeley Lab EE div (+1 415 486 5427)
Berkeley, CA		Domain:	torek@ee.lbl.gov