wok annotate linux-source/stuff/rdev @ rev 20799

updated clonezilla (3.3.10 -> 3.27.16)
author Hans-G?nter Theisgen
date Fri Feb 15 13:43:34 2019 +0100 (2019-02-15)
parents e36062a9b169
children
rev   line source
pascal@13194 1 #!/bin/sh
pascal@13194 2
pascal@13214 3 dev()
pascal@13211 4 {
pascal@13214 5 for b in $(find /dev -type b); do
pascal@13214 6 [ $(stat -c %02t%02T $b) = $1 ] && echo $b && return
pascal@13214 7 done
pascal@13214 8 echo 0x$1
pascal@13211 9 }
pascal@13211 10
pascal@13214 11 s=
pascal@13195 12 case "$0" in
pascal@13214 13 *gs) s=-R;;
pascal@13214 14 *ze) s=-r;;
pascal@13214 15 *de) s=-v
pascal@13194 16 esac
pascal@13214 17 set -- $s "$@"
pascal@13194 18
pascal@13214 19 o=508
pascal@13214 20 i=
pascal@13214 21 v=
pascal@13214 22 f=
pascal@13194 23 while [ -n "$1" ]; do
pascal@13214 24 case "$1" in
pascal@13214 25 -R) o=498; f="Root flags";;
pascal@13214 26 -r) o=504; f="Ramsize";;
pascal@13214 27 -v) o=506; f="Video mode";;
pascal@13214 28 -o) o=$(($2)); f=" "; shift;;
pascal@13214 29 -*) echo "Usage: rdev [-Rrvh] [-o offset] [kernel [data [offset]]]"
pascal@13214 30 exit 1;;
pascal@13214 31 *) if [ -z "$i" ]; then
pascal@13214 32 i="$1"
pascal@13214 33 elif [ -z "$v" ]; then
pascal@13214 34 [ -b "$1" ] && v=0x$(stat -c %t%02T $1)
pascal@13214 35 v=$((${v:-$1}))
pascal@13214 36 else
pascal@13214 37 o=$(($1))
pascal@13214 38 fi
pascal@13214 39 esac
pascal@13214 40 shift
pascal@13194 41 done
pascal@13194 42
pascal@13195 43 dd="dd bs=1 conv=notrunc count=2"
pascal@13214 44 if [ ! -s "$i" ]; then
pascal@13214 45 echo $(dev $(stat -c %04D /)) /
pascal@13214 46 elif [ -n "$v" ]; then
pascal@20420 47 for j in 1 2; do
pascal@13214 48 printf '\\\\x%02X' $(($v&255))
pascal@13214 49 v=$(($v>>8))
pascal@13214 50 done | xargs echo -en | $dd of=$i seek=$o
pascal@13214 51 elif [ -n "$f" ]; then
pascal@13214 52 echo $f $($dd if=$i skip=$o | od -dAn)
pascal@13194 53 else
pascal@13214 54 echo "Root device $(dev $($dd if=$i skip=$o | od -xAn))"
pascal@13195 55 fi 2>/dev/null