1ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// RUN: %clang_cc1 -fsyntax-only -verify %s 2ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaotypedef long unsigned int __darwin_size_t; 3ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaotypedef long __darwin_ssize_t; 4ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaotypedef __darwin_size_t size_t; 5ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaotypedef __darwin_ssize_t ssize_t; 6ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 7ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaostruct cmsghdr {}; 8ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 9ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#if 0 10ea285162342df160e7860e26528bc7110bc6c0cdShih-wei LiaoThis code below comes from the following system headers: 11ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaosys/socket.h:#define CMSG_SPACE(l) (__DARWIN_ALIGN(sizeof(struct 12ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaocmsghdr)) + __DARWIN_ALIGN(l)) 13ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 14ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaoi386/_param.h:#define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(p) 15ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao+ __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES) 16ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao#endif 17ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 18ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaossize_t sendFileDescriptor(int fd, void *data, size_t nbytes, int sendfd) { 19ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao union { 20ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 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)))]; 21ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao } control_un; 22ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao return 0; 23ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao} 24ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 25