Fixed objects list helper and unit test (#86)

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

test/bacnet/basic/object/objects/Makefile

@@ -0,0 +1,44 @@
+#Makefile to build test case
+CC      = gcc
+SRC_DIR = ../../../../../src
+TEST_DIR = ../../../../../test
+INCLUDES = -I$(SRC_DIR) -I$(TEST_DIR)
+DEFINES = -DBIG_ENDIAN=0 -DDEBUG_ENABLED=0
+
+CFLAGS  = -Wall $(INCLUDES) $(DEFINES) -g
+
+SRCS = main.c \
+	$(SRC_DIR)/bacnet/basic/object/objects.c \
+	$(SRC_DIR)/bacnet/basic/sys/keylist.c \
+	$(SRC_DIR)/bacnet/basic/sys/key.c \
+	$(TEST_DIR)/ctest.c
+
+TARGET_NAME = unittest
+ifeq ($(OS),Windows_NT)
+TARGET_EXT = .exe
+else
+TARGET_EXT =
+endif
+TARGET = $(TARGET_NAME)$(TARGET_EXT)
+
+all: ${TARGET}
+
+OBJS = ${SRCS:.c=.o}
+
+${TARGET}: ${OBJS}
+	${CC} -o $@ ${OBJS}
+
+.c.o:
+	${CC} -c ${CFLAGS} $*.c -o $@
+
+depend:
+	rm -f .depend
+	${CC} -MM ${CFLAGS} *.c >> .depend
+
+clean:
+	rm -rf ${TARGET} $(OBJS)
+
+test: ${TARGET}
+	./${TARGET}
+
+include: .depend