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From: Warner Losh <imp@bsdimp.com>
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Date: Mon, 9 May 2011 11:11:41 -0600
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To: Jilles Tjoelker <jilles@stack.nl>
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	Mon, 09 May 2011 11:11:49 -0600 (MDT)
Cc: freebsd-rc@FreeBSD.org
Subject: Re: [PATCH] Use printf(1) builtin for hexprint function in
	etc/network.subr
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Isn't printf located in /usr, and isn't /usr not guaranteed to be around =
when these routines are used?

Warner

On May 8, 2011, at 6:37 AM, Jilles Tjoelker wrote:

> Now that printf(1) is a shell builtin, there is no need to emulate it
> anymore.
>=20
> It may be faster to use printf directly but the function is useful for
> compatibility.
>=20
> Index: etc/network.subr
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- etc/network.subr	(revision 220966)
> +++ etc/network.subr	(working copy)
> @@ -1333,38 +1333,14 @@
> #	Echo decimal number $arg (single digit) in hexadecimal format.
> hexdigit()
> {
> -	if [ $1 -lt 10 ]; then
> -		echo $1
> -	else
> -		case $1 in
> -		10)	echo a ;;
> -		11)	echo b ;;
> -		12)	echo c ;;
> -		13)	echo d ;;
> -		14)	echo e ;;
> -		15)	echo f ;;
> -		esac
> -	fi
> +	printf '%x\n' "$1"
> }
>=20
> # hexprint arg
> #	Echo decimal number $arg (multiple digits) in hexadecimal =
format.
> hexprint()
> {
> -	local val str dig
> -	val=3D$1
> -	str=3D''
> -	dig=3D`hexdigit $((${val} & 15))`
> -	str=3D${dig}${str}
> -	val=3D$((${val} >> 4))
> -
> -	while [ ${val} -gt 0 ]; do
> -		dig=3D`hexdigit $((${val} & 15))`
> -		str=3D${dig}${str}
> -		val=3D$((${val} >> 4))
> -	done
> -
> -	echo ${str}
> +	printf '%x\n' "$1"
> }
>=20
> is_wired_interface()
>=20
> --=20
> Jilles Tjoelker
> _______________________________________________
> freebsd-rc@freebsd.org mailing list
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> To unsubscribe, send any mail to "freebsd-rc-unsubscribe@freebsd.org"
>=20
>=20