cmsghdr.c - mozsearch

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#include <sys/socket.h>

#include <inttypes.h>

#include <string.h>

const uint8_t*

cmsghdr_bytes(size_t* size)

  int myfd = 0;

  static union {

    uint8_t buf[CMSG_SPACE(sizeof(myfd))];

    struct cmsghdr align;

  } u;

  u.align.cmsg_len = CMSG_LEN(sizeof(myfd));

  u.align.cmsg_level = SOL_SOCKET;

  u.align.cmsg_type = SCM_RIGHTS;

  memcpy(CMSG_DATA(&u.align), &myfd, sizeof(myfd));

  *size = sizeof(u);

  return (const uint8_t*)&u.buf;