Messages in this thread | | | Date | Thu, 1 Oct 2009 10:55:56 +0200 | Subject | Re: [PATCH 1/9] lib/vsprintf.c: Add %pU to print UUID/GUIDs | From | Geert Uytterhoeven <> |
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On Thu, Oct 1, 2009 at 09:26, Joe Perches <joe@perches.com> wrote: > On Thu, 2009-10-01 at 09:10 +0200, Geert Uytterhoeven wrote: >> > Standardize the printed style of UUID/GUIDs by using >> > another extension to %p. >> > >> > %pU: 01020304-0506-0708-090a-0b0c0d0e0f10 >> > %pUr: 04030201-0605-0807-090a-0b0c0d0e0f10 >> > %pU[r]X:Use upper case hex >> >> To me, it looks a bit strange to have the options after the `U', combined with >> the variable-length nature. > > I think the whole %p<foo> mechanism is strange and takes > a bit of getting used to. > > You're free to suggest alternatives. > > Keep in mind expansion for future different types and that > <foo> must be alphanumeric chars only.
`r' is reverse endianness?
So what about %pUb: lower case big endian %pUl: lower case little endian %pUB: upper case big endian %pUL: upper case little endian ?
That way it's fixed length, and easier to parse.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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