Re: [PATCH v1.3 1/4] lib: hex2bin converts ascii hexadecimalstring to binary

From: Mimi Zohar
Date: Thu Nov 11 2010 - 17:23:30 EST


On Thu, 2010-11-11 at 19:48 +0000, David Howells wrote:
> Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx> wrote:
>
> > +void hex2bin(unsigned char *mem, char *buf, int count)
>
> I think this needs a little adjustment. I would recommend something like the
> following declaration:
>
> void hex2bin(u8 *buf, const char *data, size_t count)
>
> since the output data is binary (so use u8*), you're only reading the source
> data (so should use a const pointer) and you don't want to see a negative
> count (so use size_t).

right, thanks.

> Also, I'd suggest calling the source arg 'data' and the output arg 'buf' or
> maybe src/dst.
>
> David

Definitely better. (Remnant from kgdb_hex2mem() naming.)

thanks,

Mimi


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