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Diffstat (limited to 'test/Sema/darwin-align-cast.c')
-rw-r--r-- | test/Sema/darwin-align-cast.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Sema/darwin-align-cast.c b/test/Sema/darwin-align-cast.c new file mode 100644 index 0000000..09808b5 --- /dev/null +++ b/test/Sema/darwin-align-cast.c @@ -0,0 +1,23 @@ +// RUN: clang-cc -fsyntax-only -verify %s +typedef long unsigned int __darwin_size_t; +typedef long __darwin_ssize_t; +typedef __darwin_size_t size_t; +typedef __darwin_ssize_t ssize_t; + +struct cmsghdr {}; + +#if 0 +This code below comes from the following system headers: +sys/socket.h:#define CMSG_SPACE(l) (__DARWIN_ALIGN(sizeof(struct +cmsghdr)) + __DARWIN_ALIGN(l)) + +i386/_param.h:#define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(p) ++ __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES) +#endif + +ssize_t sendFileDescriptor(int fd, void *data, size_t nbytes, int sendfd) { + union { + 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)))]; + } control_un; +} + |