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-rw-r--r--inet/inet6_rth.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/inet/inet6_rth.c b/inet/inet6_rth.c
deleted file mode 100644
index 15f8240909..0000000000
--- a/inet/inet6_rth.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/* Copyright (C) 2006 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <string.h>
-#include <netinet/in.h>
-#include <netinet/ip6.h>
-
-
-/* RFC 3542, 7.1
-
-   This function returns the number of bytes required to hold a
-   Routing header of the specified type containing the specified
-   number of segments (addresses).  For an IPv6 Type 0 Routing header,
-   the number of segments must be between 0 and 127, inclusive.  */
-socklen_t
-inet6_rth_space (int type, int segments)
-{
-  switch (type)
-    {
-    case IPV6_RTHDR_TYPE_0:
-      if (segments < 0 || segments > 127)
-	return 0;
-
-      return sizeof (struct ip6_rthdr0) + segments * sizeof (struct in6_addr);
-    }
-
-  return 0;
-}
-
-
-/* RFC 3542, 7.2
-
-   This function initializes the buffer pointed to by BP to contain a
-   Routing header of the specified type and sets ip6r_len based on the
-   segments parameter.  */
-void *
-inet6_rth_init (void *bp, socklen_t bp_len, int type, int segments)
-{
-  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
-
-  switch (type)
-    {
-    case IPV6_RTHDR_TYPE_0:
-      /* Make sure the parameters are valid and the buffer is large enough.  */
-      if (segments < 0 || segments > 127)
-	break;
-
-      socklen_t len = (sizeof (struct ip6_rthdr0)
-		       + segments * sizeof (struct in6_addr));
-      if (len > bp_len)
-	break;
-
-      /* Some implementations seem to initialize the whole memory area.  */
-      memset (bp, '\0', len);
-
-      /* Length in units of 8 octets.  */
-      rthdr->ip6r_len = segments * sizeof (struct in6_addr) / 8;
-      rthdr->ip6r_type = IPV6_RTHDR_TYPE_0;
-      return bp;
-    }
-
-  return NULL;
-}
-
-
-/* RFC 3542, 7.3
-
-   This function adds the IPv6 address pointed to by addr to the end of
-   the Routing header being constructed.  */
-int
-inet6_rth_add (void *bp, const struct in6_addr *addr)
-{
-  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
-
-  switch (rthdr->ip6r_type)
-    {
-      struct ip6_rthdr0 *rthdr0;
-    case IPV6_RTHDR_TYPE_0:
-      rthdr0 = (struct ip6_rthdr0 *) rthdr;
-
-      memcpy (&rthdr0->ip6r0_addr[rthdr0->ip6r0_segleft++],
-	      addr, sizeof (struct in6_addr));
-
-      return 0;
-    }
-
-  return -1;
-}
-
-
-/* RFC 3542, 7.4
-
-   This function takes a Routing header extension header (pointed to by
-   the first argument) and writes a new Routing header that sends
-   datagrams along the reverse of that route.  The function reverses the
-   order of the addresses and sets the segleft member in the new Routing
-   header to the number of segments.  */
-int
-inet6_rth_reverse (const void *in, void *out)
-{
-  struct ip6_rthdr *in_rthdr = (struct ip6_rthdr *) in;
-
-  switch (in_rthdr->ip6r_type)
-    {
-      struct ip6_rthdr0 *in_rthdr0;
-      struct ip6_rthdr0 *out_rthdr0;
-    case IPV6_RTHDR_TYPE_0:
-      in_rthdr0 = (struct ip6_rthdr0 *) in;
-      out_rthdr0 = (struct ip6_rthdr0 *) out;
-
-      /* Copy header, not the addresses.  The memory regions can overlap.  */
-      memmove (out_rthdr0, in_rthdr0, sizeof (struct ip6_rthdr0));
-
-      int total = in_rthdr0->ip6r0_segleft * 8 / sizeof (struct in6_addr);
-      for (int i = 0; i < total / 2; ++i)
-	{
-	  /* Remember, IN_RTHDR0 and OUT_RTHDR0 might overlap.  */
-	  struct in6_addr temp = in_rthdr0->ip6r0_addr[i];
-	  out_rthdr0->ip6r0_addr[i] = in_rthdr0->ip6r0_addr[total - 1 - i];
-	  out_rthdr0->ip6r0_addr[total - 1 - i] = temp;
-	}
-      if (total % 2 != 0 && in != out)
-	out_rthdr0->ip6r0_addr[total / 2] = in_rthdr0->ip6r0_addr[total / 2];
-
-      return 0;
-    }
-
-  return -1;
-}
-
-
-/* RFC 3542, 7.5
-
-   This function returns the number of segments (addresses) contained in
-   the Routing header described by BP.  */
-int
-inet6_rth_segments (const void *bp)
-{
-  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
-
-  switch (rthdr->ip6r_type)
-    {
-    case IPV6_RTHDR_TYPE_0:
-
-      return rthdr->ip6r_len * 8 / sizeof (struct in6_addr);
-    }
-
-  return -1;
-}
-
-
-/* RFC 3542, 7.6
-
-   This function returns a pointer to the IPv6 address specified by
-   index (which must have a value between 0 and one less than the
-   value returned by 'inet6_rth_segments') in the Routing header
-   described by BP.  */
-struct in6_addr *
-inet6_rth_getaddr (const void *bp, int index)
-{
-  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
-
-  switch (rthdr->ip6r_type)
-    {
-       struct ip6_rthdr0 *rthdr0;
-    case IPV6_RTHDR_TYPE_0:
-      rthdr0 = (struct ip6_rthdr0 *) rthdr;
-
-      if (index >= rthdr0->ip6r0_len * 8 / sizeof (struct in6_addr))
-	break;
-
-      return &rthdr0->ip6r0_addr[index];
-    }
-
-  return NULL;
-}