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From: "H. Peter Anvin" <hpa@zytor.com>
To: Thiago Farina <tfransosi@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>, Ingo Molnar <mingo@elte.hu>,
	Thomas Gleixner <tglx@linutronix.de>,
	Cyrill Gorcunov <gorcunov@openvz.org>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] x86, setup: reorgize the early_console_setup
Date: Mon, 02 Aug 2010 13:33:37 -0700	[thread overview]
Message-ID: <4C572BA1.3060206@zytor.com> (raw)
In-Reply-To: <AANLkTinWQ8Td6LcUGn3RmAyDuL0o35-YtjFtpNwJOb3M@mail.gmail.com>

On 08/02/2010 12:09 PM, Thiago Farina wrote:
> On Mon, Aug 2, 2010 at 3:27 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> On 08/02/2010 10:56 AM, Thiago Farina wrote:
>>>
>>> These to functions above can be fairly simplified by writting as:
>>>
>>> static bool inline is_hex_digit(int c) {
>>>   return (c >= '0' && c <= '9') ||
>>>             (c >= 'A' && c <= 'F') ||
>>>             (c >= 'a' && c <= 'f');
>>> }
>>>
>>
>> a) You lose the isdigit() functionality, which is useful on its own.
>> b) Does this enahance readability in any way?
>> c) Your proposed renaming is nonstandard.
>>
> 
> What about this instead?
> 
> static inline bool isxdigit(int ch) {
>   return (isdigit(ch) || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f');
> }
> 
>> As such, I don't think this is a good idea.
>>

Again, I don't think it adds any readability; the compiler will produce
the same code.

	-hpa

      reply	other threads:[~2010-08-02 20:34 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-02  7:13 [PATCH 1/2] x86, setup: reorgize the early_console_setup Yinghai Lu
2010-08-02  7:14 ` [PATCH 2/2] x86: more early console output from compressed/misc.c Yinghai Lu
2010-08-02  7:16 ` [PATCH 1/2] x86, setup: reorgize the early_console_setup H. Peter Anvin
2010-08-02  8:24   ` [PATCH -v2 " Yinghai Lu
2010-08-02  8:26     ` [PATCH -v2 2/2] x86: more early console output from compressed/misc.c Yinghai Lu
2010-08-02  9:17     ` [PATCH -v3 1/2] x86, setup: reorgize the early_console_setup Yinghai Lu
2010-08-02  9:18       ` [PATCH -v3 2/2] x86: more early console output from compressed/misc.c Yinghai Lu
2010-08-02 17:49         ` Cyrill Gorcunov
2010-08-02 18:38           ` H. Peter Anvin
2010-08-02 18:54             ` Cyrill Gorcunov
2010-08-02 18:58               ` H. Peter Anvin
2010-08-02 19:35                 ` Yinghai Lu
2010-08-02 20:38                   ` H. Peter Anvin
2010-08-02 20:59                   ` H. Peter Anvin
2010-08-02 21:08                     ` H. Peter Anvin
2010-08-02 21:22                       ` Yinghai Lu
2010-08-02 21:27                       ` H. Peter Anvin
2010-08-02 21:36                         ` Yinghai Lu
2010-08-02 22:30                         ` Yinghai Lu
2010-08-02 22:46                           ` H. Peter Anvin
2010-08-02 22:51                             ` Yinghai Lu
2010-08-02 23:21                               ` Yinghai Lu
2010-08-03  4:10                                 ` [tip:x86/setup] x86, setup: move isdigit.h to ctype.h, header files on top tip-bot for H. Peter Anvin
2010-08-03  3:30                         ` [tip:x86/setup] x86, setup: Allow global variables and functions in the decompressor tip-bot for H. Peter Anvin
2010-08-02 17:43       ` [PATCH -v3 1/2] x86, setup: reorgize the early_console_setup Cyrill Gorcunov
2010-08-02 19:15         ` Yinghai Lu
2010-08-03  3:31       ` [tip:x86/setup] x86, setup: reorganize the early console setup tip-bot for Yinghai Lu
2010-08-02  7:18 ` [PATCH 1/2] x86, setup: reorgize the early_console_setup H. Peter Anvin
2010-08-02 15:09 ` Cyrill Gorcunov
2010-08-02 19:23   ` Yinghai Lu
2010-08-02 20:17     ` Cyrill Gorcunov
2010-08-02 20:30       ` Yinghai Lu
2010-08-02 20:36         ` Cyrill Gorcunov
2010-08-03  7:14       ` [PATCH -v3] x86: Setup early console as early as possible Yinghai Lu
2010-08-03  9:06         ` Andrew Morton
2010-08-03  9:09           ` Yinghai Lu
2010-08-03 10:14           ` Yinghai Lu
2010-08-03 15:07         ` Cyrill Gorcunov
2010-08-02 17:56 ` [PATCH 1/2] x86, setup: reorgize the early_console_setup Thiago Farina
2010-08-02 18:00   ` Thiago Farina
2010-08-02 18:27   ` H. Peter Anvin
2010-08-02 19:09     ` Thiago Farina
2010-08-02 20:33       ` H. Peter Anvin [this message]

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