linux-kernel - Re: [PATCH 1/4] lib: add ascii hex helper functions

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Date:	Thu, 01 May 2008 14:35:06 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Joe Perches <joe@...ches.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] lib: add ascii hex helper functions

On Thu, 2008-05-01 at 14:28 -0700, Joe Perches wrote:
> On Thu, 2008-05-01 at 13:51 -0700, Harvey Harrison wrote:
> > Everyone rolls their own version around the tree, centralize
> > in lib/hexdump.c
> > 
> > Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
> > ---
> >  include/linux/kernel.h |    6 +++++-
> >  lib/hexdump.c          |   25 +++++++++++++++++++++++--
> >  2 files changed, 28 insertions(+), 3 deletions(-)
> > 
> > diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> > index 4d46e29..20cae9a 100644
> > --- a/include/linux/kernel.h
> > +++ b/include/linux/kernel.h
> > @@ -276,7 +276,11 @@ extern void print_hex_dump(const char *level, const char *prefix_str,
> >  				const void *buf, size_t len, bool ascii);
> >  extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
> >  			const void *buf, size_t len);
> > -#define hex_asc(x)	"0123456789abcdef"[x]
> > +
> > +extern const char hex_asc[];
> 
> I don't see a reason hex_asc should be extern.
> It's only used by hexdump.
> I think it better to remove hex_asc from kernel.h altogether.
> 
> 

The whole point is to start to centralize everybody's private copy of
a hex_asc equivalent.

Harvey

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