/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/promif.h>
#include <sys/promimpl.h>
static char *stdinpath;
static char buffer[OBP_MAXPATHLEN];
char *
prom_stdinpath(void)
{
ihandle_t istdin;
if (stdinpath != (char *) 0) /* Got it already? */
return (stdinpath);
istdin = prom_stdin_ihandle();
if (istdin != (ihandle_t)-1)
if (prom_ihandle_to_path(istdin, buffer,
OBP_MAXPATHLEN - 1) > 0)
return (stdinpath = buffer);
return ((char *)0);
}