207 lines
4.1 KiB
Bash
Executable File
207 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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KERNELDIR=/lib/modules/$(uname -r)/build
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KERNFIRST=false
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PREPARSER="./preparser"
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DODIFF=dodiff
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UNIQUE=false
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dodiff() {
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if $KERNFIRST ; then
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diff -u $EXTRAOPT $2 $1
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else
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diff -u $EXTRAOPT $1 $2
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fi
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}
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dodiffuni() {
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echo -n "Processing $1 ... "
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TMPNAME=/tmp/`basename $1`.$$
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$PREPARSER -c $CTRLNAME $1 $TMPNAME
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RES=$?
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if [ "$RES" -eq "0" ] ; then
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echo diff original
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dodiff $1 $2
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rm $TMPNAME
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return 0
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fi
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if [ "$RES" -eq "2" ] ; then
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echo diff modified
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dodiff $TMPNAME $2
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rm $TMPNAME
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return 0
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fi
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echo "problem with $PREPARSER retcode $RES"
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exit 1
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}
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#
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# Print usage and exit
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#
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usage() {
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cat<<EOM
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stddiff is used for generating diffs of the cvs-tree
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versus the kernel-tree.
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stddiff [-r] [-h] [-k DIR] [-u] [-c FILE] [-w] [files ...]
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Options:
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-h This Text.
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-r Reverse direction (kernel versus cvs).
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-k DIR Kerneltree is in DIR instead of /usr/src/linux
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-u Make a diff for a unique kernel-tree
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(preprocessing with $PREPARSER)
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-c FILE Use FILE as control file for $PREPARSER (only with -u)
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-w Ignore white space when comparing lines
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Without any files given, within the whole tree, the "right"
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files are diffed. When any files are given in the commandline,
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only those are diffed.
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EOM
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exit
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}
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#
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# Check, if argument is a linux kernel dir
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#
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checkkernel() {
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if [ -f $1/Makefile ] ; then
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# if [ "`grep ^vmlinux: $1/Makefile | grep vmlinux`" != "" ] ; then
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return 0
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# fi
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fi
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echo "The given argument does not look like a kernel dir"
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exit 1
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}
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#
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# Determine a control file name
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#
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calc_ctrl_file() {
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eval `sed -n 's/^\([A-Z]*\) = \([0-9]*\)$/\1=\2/p' $KERNELDIR/Makefile`
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echo "Current kernel version is $VERSION.$PATCHLEVEL.$SUBLEVEL"
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if [ -z "$CTRLNAME" ] ; then
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CTRLNAME=v$VERSION.$PATCHLEVEL.$SUBLEVEL.ctrl
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if [ -f $CTRLNAME ] ; then
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return 0
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fi
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CTRLNAME=v$VERSION.$PATCHLEVEL.ctrl
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if [ -f $CTRLNAME ] ; then
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return 0
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fi
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CTRLNAME=default.ctrl
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fi
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if [ -f $CTRLNAME ] ; then
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return 0
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fi
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echo "No control file found"
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exit 1
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}
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#
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# Determine a version depend file name
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#
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calc_version_file() {
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VERSION_NAME=$1.v$VERSION.$PATCHLEVEL.$SUBLEVEL
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if [ -f $VERSION_NAME ] ; then
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return 0
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fi
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VERSION_NAME=$1.v$VERSION.$PATCHLEVEL
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if [ -f $VERSION_NAME ] ; then
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return 0
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fi
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VERSION_NAME=""
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return 1
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}
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while getopts :rhk:uc:w a ; do
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case $a in
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\?) case $OPTARG in
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k) echo "-k requires Kernel directory parameter"
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;;
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*) echo "Unknown option: -$OPTARG"
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echo "Try stddiff -h"
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;;
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esac
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exit 1
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;;
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k) checkkernel $OPTARG
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KERNELDIR=$OPTARG
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;;
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c) CTRLNAME=$OPTARG
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;;
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u) UNIQUE=true
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;;
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r) KERNFIRST=true
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;;
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w) EXTRAOPT=-w
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;;
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h) usage
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;;
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esac
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done
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shift `expr $OPTIND - 1`
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if [ -z "$VERSION" -o -z "$PATCHLEVEL" ] ; then
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if ! [ -f $KERNELDIR/Makefile ] ; then
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echo "VERSION/PATCHLEVEL not set and no Makefile to read from"
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exit 1
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fi
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eval `sed -n 's/^\([A-Z]*\) = \([0-9]*\)$/\1=\2/p' $KERNELDIR/Makefile`
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fi
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echo "Current kernel version is $VERSION.$PATCHLEVEL.$SUBLEVEL"
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if $UNIQUE ; then
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DODIFF=dodiffuni
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calc_ctrl_file
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fi
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echo -n "Using $DODIFF $EXTRAOPT"
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if $UNIQUE ; then
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echo " with controlfile $CTRLNAME"
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else
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echo
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fi
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if [ $# != 0 ]; then
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for i in $* ; do
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$DODIFF $i $KERNELDIR/$i
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done
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else
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for i in drivers/isdn/hardware/mISDN/*.[ch] ; do
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$DODIFF $i $KERNELDIR/$i
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done
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for i in include/linux/*.h ; do
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if [ "$i" = "include/linux/isdn_compat.h" -a \
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"$UNIQUE" = "true" ] ; then
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echo "$i skipped"
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else
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$DODIFF $i $KERNELDIR/$i
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fi
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done
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for i in drivers/isdn/hardware/Makefile \
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drivers/isdn/hardware/Kconfig \
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drivers/isdn/hardware/mISDN/Makefile \
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drivers/isdn/hardware/mISDN/Rules.make \
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drivers/isdn/hardware/mISDN/Kconfig ; do
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calc_version_file $i
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if [ -n "$VERSION_NAME" ] ; then
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dodiff $VERSION_NAME $KERNELDIR/$i
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else
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if [ -f $i ] ; then
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echo "use version independ $i for version v$VERSION.$PATCHLEVEL.$SUBLEVEL"
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$DODIFF $i $KERNELDIR/$i
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else
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echo "no $i for version v$VERSION.$PATCHLEVEL.$SUBLEVEL found -- skipped"
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fi
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fi
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done
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fi
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