major cleanup to avoid segfaults when fetching data, added fbdata module, refactored all methods to use a central screen object

Makefile

@@ -2,16 +2,20 @@
 # # sudo apt-get install libmariadb-dev 
 # # mariadb_config --libs
 #
-CFLAGS=-g -Wall -lm -L/usr/lib/arm-linux-gnueabihf -lmariadb -I/usr/include/mariadb
+CFLAGS=-g -Wall -lm
+DBFLAGS=-L/usr/lib/arm-linux-gnueabihf -lmariadb -I/usr/include/mariadb
 
-fbdash: fbdash.c fblib.o fbfont.o
-	gcc -o $@ fblib.o fbfont.o $< $(CFLAGS)
+fbdash: fbdash.c fblib.o fbfont.o fbdata.o
+	gcc -o $@ fblib.o fbfont.o fbdata.o $< $(CFLAGS) $(DBFLAGS)
 
 fblib.o: fblib.c fblib.h
-	gcc -c fblib.c
+	gcc -c fblib.c $(CFLAGS)
 
 fbfont.o: fbfont.c fbfont.h
-	gcc -c fbfont.c
+	gcc -c fbfont.c $(CFLAGS)
+
+fbdata.o: fbdata.c fbdata.h
+	gcc -c fbdata.c $(CFLAGS) $(DBFLAGS)
 
 clean:
-	rm -f fbdash fblib.o fbfont.o
+	rm -f fbdash fblib.o fbfont.o fbdata.o