#include <errno.h>
#include <unistd.h>
#include "iobuf.h"

int obuf_sync(obuf* out)
{
  iobuf* io;
  if (!obuf_flush(out)) return 0;
  io = &out->io;
  if (fsync(io->fd) == -1) IOBUF_SET_ERROR(io);
  return 1;
}