Function write_error

src/system.h:959–967

/* exit with a _single_ "write error" diagnostic.  */

static inline void
write_error (void)
{
  int saved_errno = errno;
  fflush (stdout);    /* Last attempt to write any buffered data.  */
  fpurge (stdout);    /* Ensure nothing buffered that might induce an error. */
  clearerr (stdout);  /* Avoid extraneous diagnostic from close_stdout.  */
  error (EXIT_FAILURE, saved_errno, _("write error"));
}

/* Like stpncpy, but do ensure that the result is NUL-terminated,
   and do not NUL-pad out to LEN.  I.e., when strnlen (src, len) == len,