Clang static code analysis tpkg

Author: wtoorop

.github/workflows/testsuite.yml

@@ -56,7 +56,7 @@ jobs:
       - name: Set up Cygwin
         uses: cygwin/cygwin-install-action@master
         with:
-            packages: make gcc-g++ bash libtool automake autoconf libssl-devel bind-utils
+            packages: make gcc-g++ bash libtool automake autoconf libssl-devel bind-utils clang
       - uses: actions/checkout@main
         with:
           submodules: recursive
@@ -87,7 +87,7 @@ jobs:
       - name: Get the qemu container
         run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
       - name: "${{ matrix.platform }}: Build and test"
-        run: docker run --rm --interactive --mount type=bind,source=$(pwd),target=/host ${{ matrix.platform }}/alpine sh -c "apk add make gcc libc-dev libtool automake autoconf openssl-dev m4 indent bash bind-tools && cd /host && libtoolize -vci && autoreconf -vfi && ./configure && make test"
+        run: docker run --rm --interactive --mount type=bind,source=$(pwd),target=/host ${{ matrix.platform }}/alpine sh -c "apk add make gcc libc-dev libtool automake autoconf openssl-dev m4 indent bash bind-tools clang && cd /host && libtoolize -vci && autoreconf -vfi && ./configure && make test"
 
 
 #  BSDs:

test/33-clang-analysis.tpkg/33-clang-analysis.dsc

@@ -0,0 +1,15 @@
+BaseName: 33-clang-analysis
+Version: 1.0
+Description: clang analysis
+CreationDate: Wed 12 Sep 16:00:26 CEST 2018
+Maintainer: Wouter Wijngaards
+Category:
+Component:
+Depends:
+Help:
+Pre:
+Post:
+Test: 33-clang-analysis.test
+AuxFiles:
+Passed:
+Failure:

test/33-clang-analysis.tpkg/33-clang-analysis.test

@@ -0,0 +1,62 @@
+# #-- clang-analysis.test --#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+# common functions
+. ../common.sh
+
+if test ! -x "`which clang 2>&1`"; then
+	echo "No clang in path"
+	exit 0
+fi
+#echo "have clang"
+
+# read value from Makefile
+# $1: result variable name
+# $2: string on Makefile
+# $3: Makefile location
+read_value () {
+	x=`grep "$2" $3 | sed -e "s/$2//"`
+	echo eval $1="'""$x""'"
+	eval $1="'""$x""'"
+	# print what we just read
+	#echo $1"="'"'"`eval echo '$'$1`"'"'
+}
+
+PRE="../.."
+# read some values from the Makefile
+read_value srcdir '^srcdir[ 	]*= *' $PRE/Makefile
+read_value CPPFLAGS '^CPPFLAGS	= *' $PRE/Makefile
+read_value LIBOBJS '^LIBOBJS		= *' $PRE/Makefile
+
+#echo dir is $dir
+# turn libobjs into C files
+compatfiles=`echo "$LIBOBJS" | sed -e 's?..LIBOBJDIR.?compat/?g' -e 's/.U.o/.c/g'`
+echo compatfiles are $compatfiles
+#echo
+
+echo "cd $PRE -- cd $srcdir"
+cd $PRE; cd $srcdir
+# check the files in the srcdir
+fail="no"
+for x in *.c $compatfiles; do
+	echo clang --analyze $CPPFLAGS $x
+	plist=`basename $x .c`.plist
+	rm -rf $plist
+	clang --analyze $CPPFLAGS $x 2>&1 | tee tmp.$$
+	if grep -e warning -e error tmp.$$ >/dev/null; then
+		fail="yes"
+		fails="$fails $x"
+	fi
+	rm -rf $plist tmp.$$
+done
+
+echo
+if test "$fail" = "yes"; then
+	echo "Failures"
+	echo "create reports in file.plist dir with 	clang --analyze --analyzer-output html $CPPFLAGS""$fails"
+	exit 1
+fi
+echo "OK"
+exit 0