Messages in this thread | | | Date | Sun, 15 Sep 2013 01:27:03 -0300 | Subject | Re: [PATCH net 2/3] lib: introduce upper case hex ascii helpers | From | Thiago Farina <> |
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On Fri, Sep 13, 2013 at 2:37 PM, Andre Naujoks <nautsch2@gmail.com> wrote: > To be able to use the hex ascii functions in case sensitive environments > the array hex_asc_upper[] and the needed functions for hex_byte_pack_upper() > are introduced. > > Signed-off-by: Andre Naujoks <nautsch2@gmail.com> > --- > include/linux/kernel.h | 11 +++++++++++ > lib/hexdump.c | 2 ++ > 2 files changed, 13 insertions(+) > > diff --git a/include/linux/kernel.h b/include/linux/kernel.h > index 482ad2d..672ddc4 100644 > --- a/include/linux/kernel.h > +++ b/include/linux/kernel.h > @@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte) > return buf; > } > > +extern const char hex_asc_upper[]; > +#define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)] > +#define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4] Does using a macro instead of a real function (static inline) generates a better code?
-- Thiago Farina
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