File: extract-ikconfig

package info (click to toggle)
kernel-source-2.4.27 2.4.27-10sarge5
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 191,224 kB
  • ctags: 610,077
  • sloc: ansic: 3,299,602; asm: 164,708; makefile: 10,962; sh: 3,725; perl: 2,273; yacc: 1,651; cpp: 820; lex: 752; tcl: 577; awk: 251; lisp: 218; sed: 79
file content (17 lines) | stat: -rw-r--r-- 509 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
#! /bin/bash -x
# extracts .config info from a [b]zImage file
# uses: binoffset (new), dd, zcat, strings, grep
# $arg1 is [b]zImage filename

HDR=`binoffset $1 0x1f 0x8b 0x08 0x0`
PID=$$
TMPFILE="$1.vmlin.$PID"

# dd if=$1 bs=1 skip=$HDR | zcat - | strings /dev/stdin \
# | grep "[A-Za-z_0-9]=[ynm]$" | sed "s/^/CONFIG_/" > $1.oldconfig.$PID
# exit

dd if=$1 bs=1 skip=$HDR | zcat - > $TMPFILE
strings $TMPFILE | grep "^[\#[:blank:]]*CONFIG_[A-Za-z_0-9]*" > $1.oldconfig.$PID
wc $1.oldconfig.$PID
rm $TMPFILE