/* This following macro should be used for all standard single-target *_get_tars functions 
 * to save typing and reduce maintainance woes.
 * (Hopefully all compilers will be happy with the lines with just a space on them. Those are
 *  really just to help this code easier to read)
 */
#define SINGLETARGET_GET_TARS(con, datatar, datasubtarget, ct, list) \
	{ \
		ct= MEM_callocN(sizeof(bConstraintTarget), "tempConstraintTarget"); \
		 \
		ct->tar= datatar; \
		strcpy(ct->subtarget, datasubtarget); \
		ct->space= con->tarspace; \
		ct->flag= CONSTRAINT_TAR_TEMP; \
		 \
		if (ct->tar) { \
			if ((ct->tar->type==OB_ARMATURE) && (ct->subtarget[0])) ct->type = CONSTRAINT_OBTYPE_BONE; \
			else if (ELEM(ct->tar->type, OB_MESH, OB_LATTICE) && (ct->subtarget[0])) ct->type = CONSTRAINT_OBTYPE_VERT; \
			else ct->type = CONSTRAINT_OBTYPE_OBJECT; \
		} \
		 \
		BLI_addtail(list, ct); \
	}
	
/* This following macro should be used for all standard single-target *_get_tars functions 
 * to save typing and reduce maintainance woes. It does not do the subtarget related operations
 * (Hopefully all compilers will be happy with the lines with just a space on them. Those are
 *  really just to help this code easier to read)
 */
#define SINGLETARGETNS_GET_TARS(con, datatar, ct, list) \
	{ \
		ct= MEM_callocN(sizeof(bConstraintTarget), "tempConstraintTarget"); \
		 \
		ct->tar= datatar; \
		ct->space= con->tarspace; \
		ct->flag= CONSTRAINT_TAR_TEMP; \
		 \
		if (ct->tar) ct->type = CONSTRAINT_OBTYPE_OBJECT; \
		 \
		BLI_addtail(list, ct); \
	}

/* This following macro should be used for all standard single-target *_flush_tars functions
 * to save typing and reduce maintainance woes.
 * (Hopefully all compilers will be happy with the lines with just a space on them. Those are
 *  really just to help this code easier to read)
 */
#define SINGLETARGET_FLUSH_TARS(con, datatar, datasubtarget, ct, list, nocopy) \
	{ \
		if (ct) { \
			if (nocopy == 0) { \
				datatar= ct->tar; \
				strcpy(datasubtarget, ct->subtarget); \
				con->tarspace= ct->space; \
			} \
			 \
			BLI_freelinkN(list, ct); \
		} \
	}
	
/* This following macro should be used for all standard single-target *_flush_tars functions
 * to save typing and reduce maintainance woes. It does not do the subtarget related operations
 * (Hopefully all compilers will be happy with the lines with just a space on them. Those are
 *  really just to help this code easier to read)
 */
#define SINGLETARGETNS_FLUSH_TARS(con, datatar, ct, list, nocopy) \
	{ \
		if (ct) { \
			if (nocopy == 0) { \
				datatar= ct->tar; \
				con->tarspace= ct->space; \
			} \
			 \
			BLI_freelinkN(list, ct); \
		} \
	}