Re: [PATCH] hex <-> int conversion routines.

Bernd Petrovitsch (bernd@gams.at)
Tue, 19 Feb 2002 20:02:57 +0100

Jakob Kemi <jakob.kemi@telia.com> wrote:
>> > +static __inline__ char inthex_nibble(int x)
>> > +{
>> > + const char* digits = "0123456789abcdef";
>> > +
>> > + return digits[x & 0x0f];
>> > +}
>>
>> perhaps better do static const char *digits.
>GCC doesn't copy const strings, as opposed to other const arrays.
>So it should be fine as it is. GCC also reuse duplicated strings.

You could also do
return "0123456789abcdef"[x & 0x0f];
though some will find it bad, ugly, wrong
or make a file-global
static const char digits[] = "0123456789abcdef";

Bernd

-- 
Bernd Petrovitsch                              Email : bernd@gams.at
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