Implement OF_getproplen().

ok deraadt@

2 files changed, 27 insertions, 2 deletions

diff --git a/sys/arch/macppc/macppc/openfirm.c b/sys/arch/macppc/macppc/openfirm.c
index 770a08eab74..3d1837ffaf9 100644
--- a/sys/arch/macppc/macppc/openfirm.c
+++ b/sys/arch/macppc/macppc/openfirm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: openfirm.c,v 1.8 2004/02/16 04:57:50 drahn Exp $	*/
+/*	$OpenBSD: openfirm.c,v 1.9 2007/10/14 17:26:59 kettenis Exp $	*/
 /*	$NetBSD: openfirm.c,v 1.1 1996/09/30 16:34:52 ws Exp $	*/
 
 /*
@@ -108,6 +108,30 @@ OF_parent(int phandle)
 }
 
 int
+OF_getproplen(int handle, char *prop)
+{
+	static struct {
+		char *name;
+		int nargs;
+		int nreturns;
+		int phandle;
+		char *prop;
+		int size;
+	} args = {
+		"getproplen",
+		2,
+		1,
+	};
+
+	ofw_stack();
+	args.phandle = handle;
+	args.prop = prop;
+	if (openfirmware(&args) == -1)
+		return -1;
+	return args.size;
+}
+
+int
 OF_getprop(int handle, char *prop, void *buf, int buflen)
 {
 	static struct {
diff --git a/sys/dev/ofw/openfirm.h b/sys/dev/ofw/openfirm.h
index c045963ed1a..5affb5fcfa4 100644
--- a/sys/dev/ofw/openfirm.h
+++ b/sys/dev/ofw/openfirm.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: openfirm.h,v 1.9 2004/01/11 16:20:01 drahn Exp $	*/
+/*	$OpenBSD: openfirm.h,v 1.10 2007/10/14 17:26:59 kettenis Exp $	*/
 /*	$NetBSD: openfirm.h,v 1.1 1996/09/30 16:35:10 ws Exp $	*/
 
 /*
@@ -46,6 +46,7 @@ int OF_peer(int phandle);
 int OF_child(int phandle);
 int OF_parent(int phandle);
 int OF_instance_to_package(int ihandle);
+int OF_getproplen(int handle, char *prop);
 int OF_getprop(int handle, char *prop, void *buf, int buflen);
 int OF_setprop(int, char *, const void *, int);
 int OF_nextprop(int, char *, void *);