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Diffstat (limited to 'usr/src/psm/promif/ieee1275/common/prom_inpath.c')
-rw-r--r--usr/src/psm/promif/ieee1275/common/prom_inpath.c50
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);
+}