Static checking with the clang analyzer

.travis.yml

@@ -12,6 +12,7 @@ addons:
     - libevent-dev
     - libev-dev
     - valgrind
+    - clang
 script:
   - mkdir tests
   - cd tests

src/test/tpkg/340-event-loops-scan-build.tpkg/340-event-loops-scan-build.dsc

@@ -0,0 +1,16 @@
+BaseName: 340-event-loops-scan-build
+Version: 1.0
+Description: Compile
+CreationDate: do 28 apr 2016 16:50:43 CEST
+Maintainer: Willem Toorop
+Category: 
+Component:
+CmdDepends: scan-build
+Depends: 300-event-loops-configure.tpkg
+Help:
+Pre: 340-event-loops-scan-build.pre
+Post: 340-event-loops-scan-build.post
+Test: 340-event-loops-scan-build.test
+AuxFiles: 
+Passed:
+Failure:

src/test/tpkg/340-event-loops-scan-build.tpkg/340-event-loops-scan-build.post

@@ -0,0 +1,20 @@
+# #-- 340-event-loops-scan-build.post --#
+# source the master var file when it's there
+if [ -f ../.tpkg.var.master ]
+then
+	source ../.tpkg.var.master
+else
+	(
+		cd ..
+		[ -f  "${TPKG_SRCDIR}/setup-env.sh" ] \
+		    && sh "${TPKG_SRCDIR}/setup-env.sh"
+	) && source ../.tpkg.var.master
+fi
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+
+for f in `cat restore-srcdir-configure-settings`
+do
+	mv "${SRCROOT}/${f}.build-event-loops" "${SRCROOT}/${f}"
+done
+

src/test/tpkg/340-event-loops-scan-build.tpkg/340-event-loops-scan-build.pre

@@ -0,0 +1,24 @@
+# #-- 340-event-loops-scan-build.pre--#
+# source the master var file when it's there
+if [ -f ../.tpkg.var.master ]
+then
+	source ../.tpkg.var.master
+else
+	(
+		cd ..
+		[ -f  "${TPKG_SRCDIR}/setup-env.sh" ] \
+		    && sh "${TPKG_SRCDIR}/setup-env.sh" 
+	) && source ../.tpkg.var.master
+fi
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+
+echo "" > restore-srcdir-configure-settings
+for f in `grep 'CONFIG_[FH][IE][LA][ED][SE]' "${SRCROOT}/configure.ac" | sed -e 's/^.*(\[//g' -e 's/\])//g'`
+do
+	if [ -f "${SRCROOT}/$f" ]
+	then
+		mv "${SRCROOT}/${f}" "${SRCROOT}/${f}.build-event-loops" && \
+			echo "$f" >> restore-srcdir-configure-settings
+	fi
+done

src/test/tpkg/340-event-loops-scan-build.tpkg/340-event-loops-scan-build.test

@@ -0,0 +1,16 @@
+# #-- 340-event-loops-scan-build.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
+
+(
+	cd "${BUILDDIR}/build-event-loops"
+	make clean
+	scan-build -o ../scan-build-reports -v make everything
+) && if grep "No bugs found" result.340-event-loops-scan-build
+then
+	exit 0
+else
+	exit 1
+fi