cash.h

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/*
 * 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 */
static inline Cash
DatumGetCash(Datum X)
{
    return DatumGetInt64(X);
}
 
static inline Datum
CashGetDatum(Cash X)
{
    return Int64GetDatum(X);
}
 
#define PG_GETARG_CASH(n)   DatumGetCash(PG_GETARG_DATUM(n))
#define PG_RETURN_CASH(x)   return CashGetDatum(x)
 
#endif                          /* CASH_H */