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From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.lang.c
Subject: Re: sizeof (integral types)
Message-ID: <1478@auspex.auspex.com>
Date: 21 Apr 89 05:56:16 GMT
References: <29127@apple.Apple.COM> <8.UUL1.3#5109@pantor.UUCP>
Reply-To: guy@auspex.auspex.com (Guy Harris)
Organization: Auspex Systems, Santa Clara
Lines: 17

>Nothing in C or C++ is _guaranteed_ about sizes except
>  1 == sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long).

Possibly true of C++ and of pre-ANSI C; however, once the standard is
approved and compilers start claiming conformance, anybody who claims
that their compiler conforms but whose compiler doesn't have:

	a "char" type that holds values between -127 and 127;
	an "unsigned char" type that holds values between 0 and 255;
	a "short" or "int" type that holds values between -32767 and
	    32767;
	an "unsigned short" or "unsigned int" type that holds values
	    between 0 and 65535;
	a "long" type that holds values between -(2^31-1) and (2^31-1);
	an "unsigned long" type that holds values between 0 and (2^32-1);

is lying.