(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 9 insertions, 80 deletions

diff --git a/inet/netinet/ip6.h b/inet/netinet/ip6.h
index bef2af2f5a..7045836df6 100644
--- a/inet/netinet/ip6.h
+++ b/inet/netinet/ip6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1997, 2001, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1997, 2001, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -89,8 +89,7 @@ struct ip6_rthdr0
     uint8_t  ip6r0_segleft;	/* segments left */
     uint8_t  ip6r0_reserved;	/* reserved field */
     uint8_t  ip6r0_slmap[3];	/* strict/loose bit map */
-    /* followed by up to 127 struct in6_addr */
-    struct in6_addr ip6r0_addr[0];
+    struct in6_addr  ip6r0_addr[1];  /* up to 23 addresses */
   };
 
 /* Fragment header */
@@ -102,88 +101,18 @@ struct ip6_frag
     uint32_t  ip6f_ident;	/* identification */
   };
 
-#if BYTE_ORDER == BIG_ENDIAN
-# define IP6F_OFF_MASK       0xfff8  /* mask out offset from _offlg */
-# define IP6F_RESERVED_MASK  0x0006  /* reserved bits in ip6f_offlg */
-# define IP6F_MORE_FRAG      0x0001  /* more-fragments flag */
+#if     BYTE_ORDER == BIG_ENDIAN
+#define IP6F_OFF_MASK       0xfff8  /* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK  0x0006  /* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG      0x0001  /* more-fragments flag */
 #else   /* BYTE_ORDER == LITTLE_ENDIAN */
-# define IP6F_OFF_MASK       0xf8ff  /* mask out offset from _offlg */
-# define IP6F_RESERVED_MASK  0x0600  /* reserved bits in ip6f_offlg */
-# define IP6F_MORE_FRAG      0x0100  /* more-fragments flag */
+#define IP6F_OFF_MASK       0xf8ff  /* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK  0x0600  /* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG      0x0100  /* more-fragments flag */
 #endif
 
-/* IPv6 options */
-struct ip6_opt
-  {
-    uint8_t  ip6o_type;
-    uint8_t  ip6o_len;
-  };
-
-/* The high-order 3 bits of the option type define the behavior
- * when processing an unknown option and whether or not the option
- * content changes in flight.
- */
-#define IP6OPT_TYPE(o)		((o) & 0xc0)
-#define IP6OPT_TYPE_SKIP	0x00
-#define IP6OPT_TYPE_DISCARD	0x40
-#define IP6OPT_TYPE_FORCEICMP	0x80
-#define IP6OPT_TYPE_ICMP	0xc0
-#define IP6OPT_TYPE_MUTABLE	0x20
-
 /* Special option types for padding.  */
 #define IP6OPT_PAD1	0
 #define IP6OPT_PADN	1
 
-#define IP6OPT_JUMBO		0xc2
-#define IP6OPT_NSAP_ADDR	0xc3
-#define IP6OPT_TUNNEL_LIMIT	0x04
-#define IP6OPT_ROUTER_ALERT	0x05
-
-/* Jumbo Payload Option */
-struct ip6_opt_jumbo
-  {
-    uint8_t  ip6oj_type;
-    uint8_t  ip6oj_len;
-    uint8_t  ip6oj_jumbo_len[4];
-  };
-#define IP6OPT_JUMBO_LEN	6
-
-/* NSAP Address Option */
-struct ip6_opt_nsap
-  {
-    uint8_t  ip6on_type;
-    uint8_t  ip6on_len;
-    uint8_t  ip6on_src_nsap_len;
-    uint8_t  ip6on_dst_nsap_len;
-      /* followed by source NSAP */
-      /* followed by destination NSAP */
-  };
-
-/* Tunnel Limit Option */
-struct ip6_opt_tunnel
-  {
-    uint8_t  ip6ot_type;
-    uint8_t  ip6ot_len;
-    uint8_t  ip6ot_encap_limit;
-  };
-
-/* Router Alert Option */
-struct ip6_opt_router
-  {
-    uint8_t  ip6or_type;
-    uint8_t  ip6or_len;
-    uint8_t  ip6or_value[2];
-  };
-
-/* Router alert values (in network byte order) */
-#if BYTE_ORDER == BIG_ENDIAN
-# define IP6_ALERT_MLD	0x0000
-# define IP6_ALERT_RSVP	0x0001
-# define IP6_ALERT_AN	0x0002
-#else /* BYTE_ORDER == LITTLE_ENDING */
-# define IP6_ALERT_MLD	0x0000
-# define IP6_ALERT_RSVP	0x0100
-# define IP6_ALERT_AN	0x0200
-#endif
-
 #endif /* netinet/ip6.h */