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/*-------------------------------------------------------------------------
*
* bool.c--
* Functions for the built-in type "bool".
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/bool.c,v 1.6 1997/09/08 02:30:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "utils/builtins.h" /* where the declarations go */
#include "utils/palloc.h"
/*****************************************************************************
* USER I/O ROUTINES *
*****************************************************************************/
/*
* boolin - converts "t" or "f" to 1 or 0
*/
bool
boolin(char *b)
{
if (b == NULL)
elog(WARN, "Bad input string for type bool");
return ((bool) (*b == 't') || (*b == 'T'));
}
/*
* boolout - converts 1 or 0 to "t" or "f"
*/
char *
boolout(long b)
{
char *result = (char *) palloc(2);
*result = (b) ? 't' : 'f';
result[1] = '\0';
return (result);
}
/*****************************************************************************
* PUBLIC ROUTINES *
*****************************************************************************/
bool
booleq(int8 arg1, int8 arg2)
{
return (arg1 == arg2);
}
bool
boolne(int8 arg1, int8 arg2)
{
return (arg1 != arg2);
}
bool
boollt(int8 arg1, int8 arg2)
{
return (arg1 < arg2);
}
bool
boolgt(int8 arg1, int8 arg2)
{
return (arg1 > arg2);
}
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