gcc/testsuite/gcc.c-torture/compile/pr44043.c

   1 typedef unsigned char __u8;
   2 typedef unsigned short __u16;
   3 typedef unsigned int __u32;
   4 typedef unsigned long __kernel_size_t;
   5 typedef __kernel_size_t size_t;
   6 typedef __u8 uint8_t;
   7 typedef __u16 __be16;
   8 typedef __u32 __be32;
   9 struct msghdr {
  10     struct iovec * msg_iov;
  11     unsigned msg_flags;
  12 };
  13 enum { IPPROTO_ICMP = 1 };
  14 struct sk_buff { };
  15 static inline __attribute__((always_inline)) struct dst_entry *
  16 skb_dst(const struct sk_buff *skb)
  17 {
  18 };
  19 enum nf_inet_hooks { NF_INET_LOCAL_OUT };
  20 struct net_device {
  21     unsigned mtu;
  22 };
  23 static inline __attribute__((always_inline)) int
  24 NF_HOOK_THRESH(uint8_t pf, unsigned int hook, struct sk_buff *skb,
  25                struct net_device *in, struct net_device *out,
  26                int (*okfn)(struct sk_buff *), int thresh)
  27 {
  28   int ret = nf_hook_thresh(pf, hook, skb, in, out, okfn, thresh);
  29   if (ret == 1)
  30     ret = okfn(skb);
  31   return ret;
  32 }
  33 static inline __attribute__((always_inline)) int
  34 NF_HOOK(uint8_t pf, unsigned int hook, struct sk_buff *skb,
  35         struct net_device *in, struct net_device *out,
  36         int (*okfn)(struct sk_buff *))
  37 {
  38   return NF_HOOK_THRESH(pf, hook, skb, in, out, okfn, (-((int)(~0U>>1)) - 1));
  39 }
  40 struct dst_entry {
  41     struct net_device *dev;
  42     int (*output)(struct sk_buff*);
  43 };
  44 static inline __attribute__((always_inline)) int dst_output(struct sk_buff *skb) {
  45     return skb_dst(skb)->output(skb);
  46 };
  47 struct iphdr {
  48     __u8 protocol;
  49 };
  50 struct inet_sock {
  51     __be16 inet_dport;
  52     __u8 recverr: 1,     hdrincl: 1;
  53     struct { } cork;
  54 };
  55 struct icmphdr {
  56     __u8 type;
  57 };
  58 struct rtable {
  59     union { struct dst_entry dst; } u;
  60     __be32 rt_dst;
  61 };
  62 struct sock;
  63 struct inet_sock *inet_sk (struct sock *);
  64 struct net *sock_net (struct sock *);
  65 void *skb_transport_header (struct sk_buff *);
  66 static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
  67                            struct rtable *rt,    unsigned int flags)
  68 {
  69   struct inet_sock *inet = inet_sk(sk);
  70   struct net *net = sock_net(sk);
  71   struct iphdr *iph;
  72   struct sk_buff *skb;
  73   if (length > rt->u.dst.dev->mtu)
  74     ip_local_error(sk, 90, rt->rt_dst, inet->inet_dport, rt->u.dst.dev->mtu);
  75   if (flags&0x10)
  76     goto out;
  77   if (iph->protocol == IPPROTO_ICMP)
  78     icmp_out_count(net, ((struct icmphdr *)skb_transport_header(skb))->type);
  79   NF_HOOK(2, NF_INET_LOCAL_OUT, skb, ((void *)0), rt->u.dst.dev,
  80           dst_output);
  81 out:
  82   while (0);
  83 }
  84 int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
  85 {
  86   raw_send_hdrinc(sk, msg->msg_iov, len, (void *)0, msg->msg_flags);
  87 }