linux-ext4 - Re: [PATCH 05/10] misc/create

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Message-ID: <20131226160335.GA23928@thunk.org>
Date:	Thu, 26 Dec 2013 11:03:35 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	Darren Hart <dvhart@...ux.intel.com>
Cc:	Robert Yang <liezhi.yang@...driver.com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 05/10] misc/create_inode.c: copy regular file

On Mon, Dec 23, 2013 at 11:32:19AM -0800, Darren Hart wrote:
> 
> Does __FUNCTION__ not provide this same functionality in this context?
> No need to store this explicitly is there?

Note: __func__ (which is specified by C99, and supported by newer
GCC's) is preferred over __FUNCTION__.

If we really care about supporting older versions of GCC, we could do
this:

     #if __STDC_VERSION__ < 199901L
     # if __GNUC__ >= 2
     #  define __func__ __FUNCTION__
     # else
     #  define __func__ "<unknown>"
     # endif
     #endif

Cheers,

						- Ted
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