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From: karl@ima.isc.com (Karl Heuer)
Newsgroups: comp.lang.c
Subject: Re: New 'n' Improved comp.lang.c FAQ List
Message-ID: <1991Apr04.023548.28947@ima.isc.com>
Date: 4 Apr 91 02:35:48 GMT
References: <910401.0xf001@etiquette.uu.net> <1991Apr1.203024.19679@unlv.edu> <31946@shamash.cdc.com> <1780@mti.mti.com> <11742@dog.ee.lbl.gov>
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Reply-To: karl@ima.isc.com (Karl Heuer)
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In article <11742@dog.ee.lbl.gov> torek@elf.ee.lbl.gov (Chris Torek) writes:
>You must use two levels of macro evaluation:
>	#define XQUOTE(a)	QUOTE(a)	/* expanded quote */
>		static char retbuf[sizeof(XQUOTE(INT_MIN))];

But you still don't necessarily get the right answer, since INT_MIN might not
be implemented as a simple digit-string.  If <limits.h> defines INT_MIN as
(1<<31), the sizeof() will only return 8.

Karl W. Z. Heuer (karl@ima.isc.com or uunet!ima!karl), The Walking Lint