Messages in this thread | | | Date | Fri, 11 Dec 2015 17:42:27 +0200 | Subject | Re: [PATCHv3] printf: Add format for 8-byte EUI-64 type | From | Andy Shevchenko <> |
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+Rasmus.
On Thu, Dec 10, 2015 at 5:06 PM, Keith Busch <keith.busch@intel.com> wrote: > On Wed, Dec 09, 2015 at 03:21:40PM -0800, Joe Perches wrote: >> On Wed, 2015-12-09 at 16:06 -0700, Keith Busch wrote: >> > MAC addresses may be formed using rules based on EUI-64, which is 2 bytes >> > longer than a typical 6-byte MAC. This patch adds a long specifier to >> > the %pM format to support the extended unique identifier. >> > >> > Since there are multiple valid possible permutations of format specifiers, >> > the decoding is done in a loop, and the default ':' separator is >> > initialized at declaration time. A side effect of this allows 'F' and >> > 'R' both be specified, so these are appended to the documentation. >> >> Just thought of this: >> >> An alternative is using a format of "%8phC" >> >> Is there a use case for a bluetooth or FDDI EUI-64? > > *facepalm* > > I didn't know that format, but it satisfies my needs. I am not aware of > bluetooth or fddi using eui64, so I've no problem withdrawing the patch. > I'll just fix up the one that depended on it.
Of course you might try to add reversed support for %*ph.
Also you may consider print_hex_dump() [hex_dump_to_buffer()], though it looks like overkill in particular here.
-- With Best Regards, Andy Shevchenko
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