linux-kernel - Re: [PATCH v2 1/9] lib/test_printf: Mark big constant with ULL

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Message-ID: <20180218125802.lu5abzydm2hwxj5p@ltop.local>
Date:   Sun, 18 Feb 2018 13:58:04 +0100
From:   Luc Van Oostenryck <luc.vanoostenryck@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "Tobin C . Harding" <me@...in.cc>, linux@...musvillemoes.dk,
        Petr Mladek <pmladek@...e.com>, Joe Perches <joe@...ches.com>,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 1/9] lib/test_printf: Mark big constant with ULL

On Fri, Feb 16, 2018 at 11:07:03PM +0200, Andy Shevchenko wrote:
> Sparse complains that constant is so bit for unsigned long on 64-bit
> architecture.
> 
> lib/test_printf.c:217:54: warning: constant 0xffff0123456789ab is so big it is unsigned long
> lib/test_printf.c:246:54: warning: constant 0xffff0123456789ab is so big it is unsigned long
> 
> To satisfy everyone, mark the constant with ULL.

It should be 'UL' not 'ULL' since for architectures a pointer and
a unsigned long have the ame size while on 32bit archs, long long
are (or may?) 64bit.

-- Luc Van Oostenryck