/****************************************************************
 *								*
 *	Copyright 2001, 2012 Fidelity Information Services, Inc	*
 *								*
 *	This source code contains the intellectual property	*
 *	of its copyright holder(s), and is made available	*
 *	under a license.  If you do not know the terms of	*
 *	the license, please stop and do not read further.	*
 *								*
 ****************************************************************/

#include "mdef.h"

#include <stdarg.h>

#include "lv_val.h"
#include "undx.h"

GBLREF bool	undef_inhibit;
LITREF mval	literal_null;

error_def(ERR_UNDEF);

mval *underr (mval *start, ...)
{
	mident_fixed	name;
	unsigned char	*end;
	va_list		var;

	va_start (var, start);
	if (start && undef_inhibit)
	{
		va_end(var);
		return (mval *)&literal_null;
	} else
	{
		end = format_lvname((lv_val *)start, (uchar_ptr_t)name.c, SIZEOF(name));
		va_end(var);
		rts_error(VARLSTCNT(4) ERR_UNDEF, 2, ((char *)end - name.c), name.c);
	}
	return (mval *)NULL; /* To keep compiler happy */
}