linux-kernel - Re: [PATCH 22/24] membarrier.2: Note that glibc does not provide a wrapper

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Date:   Mon, 28 Sep 2020 16:42:57 +0200
From:   Alejandro Colomar <colomar.6.4.3@...il.com>
To:     David Laight <David.Laight@...LAB.COM>,
        "G. Branden Robinson" <g.branden.robinson@...il.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-man@...r.kernel.org" <linux-man@...r.kernel.org>,
        "mtk.manpages@...il.com" <mtk.manpages@...il.com>
Subject: Re: [PATCH 22/24] membarrier.2: Note that glibc does not provide a
 wrapper



On 2020-09-28 15:48, G. Branden Robinson wrote:
 >> There are a few cases:  if I want to find declarations of type int,
 >> I'd start with:
 >>
 >> $ grep -rn "int\s"
 >>
 >> or something like that.  "int\~" would break the ability to do that.
 >
 > That would, among more obscure cases, miss the style of function
 > declaration used by people who get along without ctags:
 >
 > static int
 > my_little_function(int foo, char bar)
 >
 > So I would tend to use grep 'int\>' to match a word boundary instead of
 > a whitespace character.
 >
 > Regards,
 > Branden
 >

On 2020-09-28 16:31, David Laight wrote:
> From: Alejandro Colomar
>> Sent: 28 September 2020 14:33
> ...
>> There are a few cases:  if I want to find declarations of type int,
>> I'd start with:
>>
>> $ grep -rn "int\s"
>>
>> or something like that.  "int\~" would break the ability to do that.
> 
> The 'word markers' \< and \> are your friends; look for "\<int\>".
> 
> 	David
> 
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
> Registration No: 1397386 (Wales)
> 


Thank you both, I didn't know about those.

Regards,

Alex