From: viro@parcelfarce.linux.theplanet.co.uk
To: tom st denis <tomstdenis@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 0xdeadbeef vs 0xdeadbeefL
Date: Wed, 7 Jul 2004 15:22:10 +0100 [thread overview]
Message-ID: <20040707142210.GG12308@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20040707111028.82649.qmail@web41111.mail.yahoo.com>
On Wed, Jul 07, 2004 at 04:10:28AM -0700, tom st denis wrote:
> > Pay attention to difference in the set of acceptable types for
> > decimal
> > and heaxdecimal constants.
>
> You're f'ing kidding me right? Dude, I write portable ISO C source
> code for a living. My code has been built on dozens and dozens of
> platforms **WITHOUT** changes. I know what I'm talking about.
>
> 0x01, 1 are 01 all **int** constants.
Correct. And irrelevant.
> On some platforms 0xdeadbeef may be a valid int
Correct, but incomplete.
> Before you step down to belittle others I'd suggest you actually make
> sure you're right.
Always do.
Exercise:
1) what type does an integer constant 0xdeadbeef have on a platform
with INT_MAX equal to 0x7fffffff and UINT_MAX equal to 0xffffffff?
2) when does the situation differ for integer constant 3735928559?
Oh, and do read the part of C standard in question. Hint: extra restrictions
are placed on decimal constants, not on the octals and hexadecimals.
next prev parent reply other threads:[~2004-07-07 14:22 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-06 21:56 David Eger
2004-07-07 0:06 ` tom st denis
2004-07-07 3:00 ` viro
2004-07-07 11:10 ` tom st denis
2004-07-07 11:18 ` Prohibited attachment type (was 0xdeadbeef) Richard B. Johnson
2004-07-07 11:48 ` tom st denis
2004-07-07 12:29 ` Jakub Jelinek
2004-07-08 5:52 ` Pavel Machek
2004-07-08 14:03 ` Jakub Jelinek
2004-07-07 12:13 ` R. J. Wysocki
2004-07-07 14:22 ` viro [this message]
2004-07-07 18:47 ` 0xdeadbeef vs 0xdeadbeefL tom st denis
2004-07-07 16:30 ` Gabriel Paubert
2004-07-07 18:41 ` tom st denis
2004-07-07 18:47 ` Christoph Hellwig
2004-07-07 18:53 ` tom st denis
2004-07-07 23:17 ` Harald Arnesen
2004-07-08 6:15 ` David Weinehall
2004-07-08 9:32 ` [OT] " Gabriel Paubert
2004-07-08 11:15 ` viro
2004-07-08 11:55 ` Gabriel Paubert
2004-07-08 16:41 ` Andries Brouwer
2004-07-08 17:13 ` Michael Driscoll
2004-07-08 17:16 ` Horst von Brand
2004-07-10 1:52 ` Andrew Rodland
2004-07-07 0:38 ` Richard B. Johnson
2004-07-07 4:52 ` David Eger
2004-07-07 11:40 ` Richard B. Johnson
2004-07-07 2:05 Ray Lee
2004-07-07 3:02 ` viro
2004-07-07 5:58 ` Alexandre Oliva
2004-07-07 6:12 ` Ray Lee
2004-07-07 5:55 ` Alexandre Oliva
2004-07-07 6:08 ` Ray Lee
2004-07-07 6:48 ` viro
2004-07-07 17:58 ` Alexandre Oliva
2004-07-12 17:31 ` H. Peter Anvin
2004-07-07 7:30 ` Tomas Szepe
2004-07-07 14:34 ` Jan-Benedict Glaw
2004-07-12 17:50 ` H. Peter Anvin
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