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

[Linus Torvalds]

On Tue, 19 Feb 2002, Jakob Kemi wrote:
>
> I also added three other hex-functions that can replace a lot of duplicated code.
>
> int  hexint_nibble (char x);		// hex digit to int.
> int  hexint_byte   (const char *src);	// hex digit-pair to int.
> char inthex_nibble (int x);		// int to hex digit.
> void inthex_byte   (int x, char* dest);	// int to hex digit pair.

Is there any reason to do all of this?

I suspect 99% of all users can (and probably should) be replaced with
"sscanf()" instead. Which does a lot more, of course, and is not the
fastest thing out there due to that, but anybody who does hex->int
conversion inside some critical loop is just crazy.

		Linus