gcc/testsuite/gcc.c-torture/compile/20080613-1.c

   1 /* PR middle-end/36520 */
   2 /* Testcase by Richard Guenther <rguenth@gcc.gnu.org> */
   3
   4 typedef __SIZE_TYPE__ size_t;
   5 typedef unsigned short int sa_family_t;
   6 struct cmsghdr   {
   7     size_t cmsg_len;
   8     __extension__ unsigned char __cmsg_data [];
   9 };
  10 typedef unsigned int uint32_t;
  11 struct in6_addr   {
  12     union       {
  13         uint32_t u6_addr32[4];
  14     } in6_u;
  15 };
  16 struct sockaddr_in   {
  17     sa_family_t sin_family;
  18 };
  19 struct in6_pktinfo   {
  20     struct in6_addr ipi6_addr;
  21 };
  22 typedef union {
  23     struct sockaddr_in sin;
  24 } sockaddr_any;
  25 static sockaddr_any src_addr;
  26
  27 inline struct cmsghdr * cmsg_put(struct cmsghdr *cm, int type, void *data, size_t len)
  28 {
  29     memcpy(((cm)->__cmsg_data), data, len);
  30 }
  31
  32 int hop_sendmsg(int fd) {
  33     struct cmsghdr *cm;
  34     if (src_addr.sin.sin_family) {
  35         if (src_addr.sin.sin_family == 2) {
  36             struct in6_pktinfo info;
  37             cm = cmsg_put(cm, 50, &info, sizeof(info));
  38         }
  39     }
  40 }