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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-05 14:20:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-05 14:20:14 -0700
commitf43100ae39bfeb757b75835ef61f0c2c46c99348 (patch)
tree620379bb9a2287975ee222c449cd69d31738096e /scripts/coccicheck
parent27b4a1a9eac8b0f8958da67e4abe025b96e1a293 (diff)
parent5e8e1cc0a1c36c8ff156ac1f04a16422bd4ed3ac (diff)
downloadlwn-f43100ae39bfeb757b75835ef61f0c2c46c99348.tar.gz
lwn-f43100ae39bfeb757b75835ef61f0c2c46c99348.zip
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: scripts/dtc: Fix a resource leak Documentation: fix ubuntu distro name MAINTAINERS: Update kbuild git URLs Add support for the C variable in the coccicheck script Add scripts/coccinelle/deref_null.cocci Add scripts/coccinelle/err_cast.cocci Add scripts/coccinelle/resource_size.cocci Add scripts/coccinelle/alloc/kzalloc-simple.cocci Add scripts/coccinelle/alloc/drop_kmalloc_cast.cocci Add Documentation/coccinelle.txt Add a target to use the Coccinelle checker scripts: decodecode: remove bashisms Makefile: clarify a comment checkkconfigsymbols.sh: Kconfig symbols sometimes have lowercase letters scripts: add nconf into gitignore file
Diffstat (limited to 'scripts/coccicheck')
-rwxr-xr-xscripts/coccicheck80
1 files changed, 80 insertions, 0 deletions
diff --git a/scripts/coccicheck b/scripts/coccicheck
new file mode 100755
index 000000000000..b8bcf1f7bed7
--- /dev/null
+++ b/scripts/coccicheck
@@ -0,0 +1,80 @@
+#!/bin/sh
+
+SPATCH="`which ${SPATCH:=spatch}`"
+
+if [ "$C" = "1" -o "$C" = "2" ]; then
+ ONLINE=1
+
+# This requires Coccinelle >= 0.2.3
+# FLAGS="-ignore_unknown_options -very_quiet"
+# OPTIONS=$*
+
+# Workaround for Coccinelle < 0.2.3
+ FLAGS="-I $srctree/include -very_quiet"
+ shift $(( $# - 1 ))
+ OPTIONS=$1
+else
+ ONLINE=0
+ FLAGS="-very_quiet"
+fi
+
+if [ ! -x "$SPATCH" ]; then
+ echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
+ exit 1
+fi
+
+if [ "$MODE" = "" ] ; then
+ if [ "$ONLINE" = "0" ] ; then
+ echo 'You have not explicitly specify the mode to use. Fallback to "report".'
+ echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
+ echo 'Available modes are: report, patch, context, org'
+ fi
+ MODE="report"
+fi
+
+if [ "$ONLINE" = "0" ] ; then
+ echo ''
+ echo 'Please check for false positives in the output before submitting a patch.'
+ echo 'When using "patch" mode, carefully review the patch before submitting it.'
+ echo ''
+fi
+
+coccinelle () {
+ COCCI="$1"
+
+ OPT=`grep "Option" $COCCI | cut -d':' -f2`
+
+# The option '-parse_cocci' can be used to syntaxically check the SmPL files.
+#
+# $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
+
+ if [ "$ONLINE" = "0" ] ; then
+
+ FILE=`echo $COCCI | sed "s|$srctree/||"`
+
+ echo "Processing `basename $COCCI` with option(s) \"$OPT\""
+ echo 'Message example to submit a patch:'
+
+ sed -e '/\/\/\//!d' -e 's|^///||' $COCCI
+
+ echo ' The semantic patch that makes this change is available'
+ echo " in $FILE."
+ echo ''
+ echo ' More information about semantic patching is available at'
+ echo ' http://coccinelle.lip6.fr/'
+ echo ''
+
+ $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT -dir $srctree || exit 1
+ else
+ $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+ fi
+
+}
+
+if [ "$COCCI" = "" ] ; then
+ for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
+ coccinelle $f
+ done
+else
+ coccinelle $COCCI
+fi