From 4b9363d8e48c8486517696a01193a6ad27585473 Mon Sep 17 00:00:00 2001
From: itojun <itojun@NetBSD.org>
Date: Wed, 23 Feb 2000 15:29:18 +0000
Subject: [PATCH] add freeifaddrs(), which reclaims region allocated by
 getifaddrs(). in sync with kame and bsdi.

---
 include/ifaddrs.h         |  5 +++--
 lib/libc/net/getifaddrs.3 |  9 +++++----
 lib/libc/net/getifaddrs.c | 10 ++++++++--
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/include/ifaddrs.h b/include/ifaddrs.h
index 05e3931860ea..17162b7089a4 100644
--- a/include/ifaddrs.h
+++ b/include/ifaddrs.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: ifaddrs.h,v 1.1 2000/02/23 06:57:47 itojun Exp $	*/
+/*	$NetBSD: ifaddrs.h,v 1.2 2000/02/23 15:29:19 itojun Exp $	*/
 
 /*
  * Copyright (c) 1995, 1999
@@ -22,7 +22,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	BSDI ifaddrs.h,v 2.4 1999/03/15 20:59:28 jch Exp
+ *	BSDI ifaddrs.h,v 2.5 2000/02/23 14:51:59 dab Exp
  */
 
 #ifndef	_IFADDRS_H_
@@ -50,6 +50,7 @@ struct ifaddrs {
 
 __BEGIN_DECLS
 extern int getifaddrs __P((struct ifaddrs **));
+extern void freeifaddrs __P((struct ifaddrs *));
 __END_DECLS
 
 #endif
diff --git a/lib/libc/net/getifaddrs.3 b/lib/libc/net/getifaddrs.3
index fb64e77aff37..bf30dc6f72e3 100644
--- a/lib/libc/net/getifaddrs.3
+++ b/lib/libc/net/getifaddrs.3
@@ -1,5 +1,5 @@
-.\"	$NetBSD: getifaddrs.3,v 1.1 2000/02/23 06:57:46 itojun Exp $
-.\"	BSDI	getifaddrs.3,v 2.4 1999/03/15 20:57:20 jch Exp
+.\"	$NetBSD: getifaddrs.3,v 1.2 2000/02/23 15:29:18 itojun Exp $
+.\"	BSDI	getifaddrs.3,v 2.5 2000/02/23 14:51:59 dab Exp
 .\"
 .\" Copyright (c) 1995, 1999
 .\"	Berkeley Software Design, Inc.  All rights reserved.
@@ -32,6 +32,8 @@
 .Fd #include <ifaddrs.h>
 .Ft int
 .Fn getifaddrs "struct ifaddrs **ifap"
+.Ft void
+.Fn freeifaddrs "struct ifaddrs *ifp"
 .Sh DESCRIPTION
 The
 .Fn getifaddrs
@@ -120,8 +122,7 @@ which contains per-address interface statistics.
 The data returned by
 .Fn getifaddrs
 is dynamically allocated and should be freed using
-.Fn free
-.Pq see Xr free 3
+.Fn freeifaddrs
 when no longer needed.
 .Sh RETURN VALUES
 Upon successful completion, a value of 0 is returned.
diff --git a/lib/libc/net/getifaddrs.c b/lib/libc/net/getifaddrs.c
index c400393cd971..c20cc56fdd67 100644
--- a/lib/libc/net/getifaddrs.c
+++ b/lib/libc/net/getifaddrs.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: getifaddrs.c,v 1.1 2000/02/23 06:57:46 itojun Exp $	*/
+/*	$NetBSD: getifaddrs.c,v 1.2 2000/02/23 15:29:18 itojun Exp $	*/
 
 /*
  * Copyright (c) 1995, 1999
@@ -22,7 +22,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	BSDI getifaddrs.c,v 2.11 1999/03/15 20:57:20 jch Exp
+ *	BSDI getifaddrs.c,v 2.12 2000/02/23 14:51:59 dab Exp
  */
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -367,3 +367,9 @@ getifaddrs(struct ifaddrs **pif)
 	}
 	return (0);
 }
+
+void
+freeifaddrs(struct ifaddrs *ifp)
+{
+	free(ifp);
+}