Re: [HACKERS] \xDD patch for 7.5devel

[Larry Rosenman]

--On Thursday, November 06, 2003 07:43:07 +1100 Jason Godden <[EMAIL PROTECTED]> wrote:

On Thu, 6 Nov 2003 06:25 am, Markus Bertheau wrote:

? ???, 05.11.2003, ? 16:25, Tom Lane ?????:
> > +#define HEXVALUE(c) (((c)>='a') ? ((c)-87) : (((c)>='A') ? ((c)-55)
> > : ((c)-'0')))
>
> This seems excessively dependent on the assumption that the character
> set is ASCII.  Why have you hard-coded numeric equivalents into this
> macro?

What not ASCII compatible character sets are out there in use still
today?

EBCDIC as far as I know is still the default on IBM Mainframes (been 5+ years but...).

--
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: [EMAIL PROTECTED]
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749

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