From: "H. Peter Anvin" <hpa@zytor.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ULL fixes for qlogicfc
Date: Mon, 29 Sep 2003 14:24:15 -0700 [thread overview]
Message-ID: <3F78A2FF.6070203@zytor.com> (raw)
In-Reply-To: <3F789FE8.6050504@pobox.com>
Jeff Garzik wrote:
> H. Peter Anvin wrote:
>
>> 0xffffffff is unsigned int and will be promoted to
>
> 0xffffffff without a prefix is signed.
No, it's not.
ISO/IEC 9899:1999(E) §6.4.4.1, page 55f:
5 The type of an integer constant is the first of the corresponding list
in which its value can be represented.
Suffix Decimal Constant Octal or Hexadecimal
Constant
none int int
long int unsigned int
long long int long int
unsigned long int
long long int
unsigned long long int
... so 0x7fffffff is signed int, but 0xffffffff is unsigned int on an
I32-model system (all Linux systems are I32-model.)
-hpa
next prev parent reply other threads:[~2003-09-29 21:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-29 17:04 [PATCH] ULL fixes for qlogicfc davej
2003-09-29 17:23 ` Jeff Garzik
2003-09-29 17:26 ` Dave Jones
2003-09-29 20:25 ` H. Peter Anvin
2003-09-29 20:33 ` Arjan van de Ven
2003-09-29 21:11 ` Jeff Garzik
2003-09-29 21:11 ` Jeff Garzik
2003-09-29 21:24 ` H. Peter Anvin [this message]
2003-09-29 21:36 ` Jeff Garzik
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