Added cppcheck of BACnet source into pipeline (#171)

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

.travis.yml

@@ -10,6 +10,7 @@ before_install:
   - sudo apt-get install -qq gcc-avr avr-libc binutils-avr
   - sudo apt-get install -qq mingw-w64
   - sudo apt-get install -qq libconfig-dev
+  - sudo apt-get install -qq cppcheck
 
 compiler:
   - gcc
@@ -61,6 +62,10 @@ jobs:
       os: linux
       compiler: clang
       script: make clean lint
+    - stage: cppcheck
+      os: linux
+      compiler: gcc
+      script: make clean cppcheck
     - stage: ports-arm
       os: linux
       before_script:

Makefile

@@ -181,6 +181,14 @@ tidy:
 lint:
 	scan-build --status-bugs -analyze-headers make -j2 clean server
 
+CPPCHECK_OPTIONS = --enable=warning,portability
+CPPCHECK_OPTIONS += --template=gcc
+CPPCHECK_OPTIONS += --suppress=selfAssignment
+
+.PHONY: cppcheck
+cppcheck:
+	cppcheck $(CPPCHECK_OPTIONS) --quiet --force ./src/
+
 .PHONY: clean
 clean:
 	$(MAKE) -s -C src clean