+#undef X_EWOULDBLOCK
+#undef X_EAGAIN
+
+/* fprintf(stderr, "rl_getc: result = %d errno = %d\n", result, errno); */
+
+handle_error:
+ /* If the error that we received was EINTR, then try again,
+ this is simply an interrupted system call to read (). We allow
+ the read to be interrupted if we caught SIGHUP, SIGTERM, or any
+ of the other signals readline treats specially. If the
+ application sets an event hook, call it for other signals.
+ Otherwise (not EINTR), some error occurred, also signifying EOF. */
+ if (errno != EINTR)
+ return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
+ /* fatal signals of interest */
+#if defined (SIGHUP)
+ else if (_rl_caught_signal == SIGHUP || _rl_caught_signal == SIGTERM)
+#else
+ else if (_rl_caught_signal == SIGTERM)
+#endif
+ return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
+ /* keyboard-generated signals of interest */
+#if defined (SIGQUIT)
+ else if (_rl_caught_signal == SIGINT || _rl_caught_signal == SIGQUIT)
+#else
+ else if (_rl_caught_signal == SIGINT)
+#endif
+ RL_CHECK_SIGNALS ();
+ /* non-keyboard-generated signals of interest */
+#if defined (SIGWINCH)
+ else if (_rl_caught_signal == SIGWINCH)
+ RL_CHECK_SIGNALS ();
+#endif /* SIGWINCH */
+#if defined (SIGALRM)
+ else if (_rl_caught_signal == SIGALRM
+# if defined (SIGVTALRM)
+ || _rl_caught_signal == SIGVTALRM
+# endif
+ )
+ RL_CHECK_SIGNALS ();
+#endif /* SIGALRM */
+
+ if (rl_signal_event_hook)
+ (*rl_signal_event_hook) ();
+ }
+}
+
+#if defined (HANDLE_MULTIBYTE)
+/* read multibyte char */
+int
+_rl_read_mbchar (char *mbchar, int size)
+{
+ int mb_len, c;
+ size_t mbchar_bytes_length;
+ wchar_t wc;
+ mbstate_t ps, ps_back;
+
+ memset(&ps, 0, sizeof (mbstate_t));
+ memset(&ps_back, 0, sizeof (mbstate_t));
+
+ mb_len = 0;
+ while (mb_len < size)
+ {
+ RL_SETSTATE(RL_STATE_MOREINPUT);
+ c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (c < 0)
+ break;
+
+ mbchar[mb_len++] = c;
+
+ mbchar_bytes_length = mbrtowc (&wc, mbchar, mb_len, &ps);
+ if (mbchar_bytes_length == (size_t)(-1))
+ break; /* invalid byte sequence for the current locale */
+ else if (mbchar_bytes_length == (size_t)(-2))