diff options
Diffstat (limited to 'usr/src/psm/promif/ieee1275/common/prom_inpath.c')
| -rw-r--r-- | usr/src/psm/promif/ieee1275/common/prom_inpath.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/usr/src/psm/promif/ieee1275/common/prom_inpath.c b/usr/src/psm/promif/ieee1275/common/prom_inpath.c new file mode 100644 index 0000000000..7c7bd7f04f --- /dev/null +++ b/usr/src/psm/promif/ieee1275/common/prom_inpath.c @@ -0,0 +1,50 @@ +/* + * 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); +} |
