add freeifaddrs(3), which reclaims region allocated by getifaddrs(3).

in sync with kame and bsdi.

3 files changed, 15 insertions, 7 deletions

diff --git a/src/lib/libc/net/Makefile.inc b/src/lib/libc/net/Makefile.inc
index 7504a3e195..641d612105 100644
--- a/src/lib/libc/net/Makefile.inc
+++ b/src/lib/libc/net/Makefile.inc
@@ -1,4 +1,4 @@
-#       $OpenBSD: Makefile.inc,v 1.29 2000/02/23 06:55:58 itojun Exp $
+#       $OpenBSD: Makefile.inc,v 1.30 2000/02/23 15:39:53 itojun Exp $
 
 # net sources
 .PATH: ${LIBCSRCDIR}/arch/${MACHINE_ARCH}/net ${LIBCSRCDIR}/net
@@ -47,6 +47,7 @@ MLINKS+=gethostbyname.3 endhostent.3 gethostbyname.3 gethostbyaddr.3 \
         gethostbyname.3 sethostent.3 gethostbyname.3 gethostent.3 \
         gethostbyname.3 herror.3 gethostbyname.3 gethostbyname2.3 \
         gethostbyname.3 hstrerror.3
+MLINKS+=getifaddrs.3 freeifaddrs.3
 MLINKS+=getnetent.3 endnetent.3 getnetent.3 getnetbyaddr.3 \
         getnetent.3 getnetbyname.3 getnetent.3 setnetent.3
 MLINKS+=getprotoent.3 endprotoent.3 getprotoent.3 getprotobyname.3 \
diff --git a/src/lib/libc/net/getifaddrs.3 b/src/lib/libc/net/getifaddrs.3
index 68c12b552a..c081a0602c 100644
--- a/src/lib/libc/net/getifaddrs.3
+++ b/src/lib/libc/net/getifaddrs.3
@@ -1,5 +1,5 @@
-.\"     $OpenBSD: getifaddrs.3,v 1.1 2000/02/23 06:55:58 itojun Exp $
-.\"     BSDI    getifaddrs.3,v 2.4 1999/03/15 20:57:20 jch Exp
+.\"     $OpenBSD: getifaddrs.3,v 1.2 2000/02/23 15:39:53 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/src/lib/libc/net/getifaddrs.c b/src/lib/libc/net/getifaddrs.c
index 9537405667..828d2da215 100644
--- a/src/lib/libc/net/getifaddrs.c
+++ b/src/lib/libc/net/getifaddrs.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: getifaddrs.c,v 1.1 2000/02/23 06:55:58 itojun Exp $   */
+/*      $OpenBSD: getifaddrs.c,v 1.2 2000/02/23 15:39:53 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
  */
 /*
  * NOTE: SIOCGIFCONF case is not LP64 friendly.  it also does not perform
@@ -371,3 +371,9 @@ getifaddrs(struct ifaddrs **pif)
         }
         return (0);
 }
+
+void
+freeifaddrs(struct ifaddrs *ifp)
+{
+        free(ifp);
+}