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From: Peter Wemm <peter@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 121118 for review
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http://perforce.freebsd.org/chv.cgi?CH=121118

Change 121118 by peter@peter_daintree on 2007/06/07 02:30:32

	Add sysctl_rename_oid() (to support the device tree nodes that renumber
	themselves during an attach.  eg: sio_pci and sio_puc)

Affected files ...

.. //depot/projects/hammer/sys/kern/kern_sysctl.c#30 edit
.. //depot/projects/hammer/sys/sys/sysctl.h#33 edit

Differences ...

==== //depot/projects/hammer/sys/kern/kern_sysctl.c#30 (text+ko) ====

@@ -415,6 +415,25 @@
 }
 
 /*
+ * Rename an existing oid.
+ */
+void
+sysctl_rename_oid(struct sysctl_oid *oidp, const char *name)
+{
+	ssize_t len;
+	char *newname;
+	void *oldname;
+
+	oldname = (void *)(uintptr_t)(const void *)oidp->oid_name;
+	len = strlen(name);
+	newname = malloc(len + 1, M_SYSCTLOID, M_WAITOK);
+	bcopy(name, newname, len + 1);
+	newname[len] = '\0';
+	oidp->oid_name = newname;
+	free(oldname, M_SYSCTLOID);
+}
+
+/*
  * Reparent an existing oid.
  */
 int

==== //depot/projects/hammer/sys/sys/sysctl.h#33 (text+ko) ====

@@ -646,6 +646,7 @@
 		int kind, void *arg1, int arg2,
 		int (*handler) (SYSCTL_HANDLER_ARGS),
 		const char *fmt, const char *descr);
+void	sysctl_rename_oid(struct sysctl_oid *oidp, const char *name);
 int	sysctl_move_oid(struct sysctl_oid *oidp,
 		struct sysctl_oid_list *parent);
 int	sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse);