1 files changed, 25 insertions, 0 deletions
diff --git a/src/include/utils/cash.h b/src/include/utils/cash.h
new file mode 100644
index 0000000..2e332d8
--- /dev/null
+++ b/src/include/utils/cash.h
@@ -0,0 +1,25 @@
+/*
+ * src/include/utils/cash.h
+ *
+ *
+ * cash.h
+ * Written by D'Arcy J.M. Cain
+ *
+ * Functions to allow input and output of money normally but store
+ *	and handle it as 64 bit integer.
+ */
+
+#ifndef CASH_H
+#define CASH_H
+
+#include "fmgr.h"
+
+typedef int64 Cash;
+
+/* Cash is pass-by-reference if and only if int64 is */
+#define DatumGetCash(X)		((Cash) DatumGetInt64(X))
+#define CashGetDatum(X)		Int64GetDatum(X)
+#define PG_GETARG_CASH(n)	DatumGetCash(PG_GETARG_DATUM(n))
+#define PG_RETURN_CASH(x)	return CashGetDatum(x)
+
+#endif							/* CASH_H */