1// RUN: %clang_cc1 -fsyntax-only -verify %s
2// expected-no-diagnostics
3typedef long unsigned int __darwin_size_t;
4typedef long __darwin_ssize_t;
5typedef __darwin_size_t size_t;
6typedef __darwin_ssize_t ssize_t;
7
8struct cmsghdr {};
9
10#if 0
11This code below comes from the following system headers:
12sys/socket.h:#define CMSG_SPACE(l) (__DARWIN_ALIGN(sizeof(struct
13cmsghdr)) + __DARWIN_ALIGN(l))
14
15i386/_param.h:#define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(p)
16+ __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES)
17#endif
18
19ssize_t sendFileDescriptor(int fd, void *data, size_t nbytes, int sendfd) {
20  union {
21    char control[(((__darwin_size_t)((char *)(sizeof(struct cmsghdr)) + (sizeof(__darwin_size_t) - 1)) &~ (sizeof(__darwin_size_t) - 1)) + ((__darwin_size_t)((char *)(sizeof(int)) + (sizeof(__darwin_size_t) - 1)) &~ (sizeof(__darwin_size_t) - 1)))];
22  } control_un;
23  return 0;
24}
25
26