Index: common_types.h
===================================================================
--- common_types.h	(revision 351)
+++ common_types.h	(revision 352)
@@ -1,9 +1,12 @@
 #ifndef CSCH_COMMON_TYPES_H
 #define CSCH_COMMON_TYPES_H
 
-typedef unsigned long csch_oid_t;
+#include "libcschem/config.h"
+
+typedef csch_uint32_t csch_oid_t;
 #define CSCH_INVALID_ID ((csch_oid_t)(0))
 
-typedef unsigned long csch_coord_t;
+typedef csch_sint32_t csch_coord_t;
+typedef csch_uint32_t csch_color_t;
 
 #endif