+#define DO_NUMBER(d, v) \
+ digits = d; \
+ number_value = v; goto do_number
+#define DO_SIGNED_NUMBER(d, negative, v) \
+ digits = d; \
+ negative_number = negative; \
+ u_number_value = v; goto do_signed_number
+
+ /* The mask is not what you might think.
+ When the ordinal i'th bit is set, insert a colon
+ before the i'th digit of the time zone representation. */
+#define DO_TZ_OFFSET(d, negative, mask, v) \
+ digits = d; \
+ negative_number = negative; \
+ tz_colon_mask = mask; \
+ u_number_value = v; goto do_tz_offset
+#define DO_NUMBER_SPACEPAD(d, v) \
+ digits = d; \
+ number_value = v; goto do_number_spacepad
+
+ case L_('%'):
+ if (modifier != 0)
+ goto bad_format;
+ add1 (*f);
+ break;
+
+ case L_('a'):
+ if (modifier != 0)
+ goto bad_format;
+ if (change_case)
+ {
+ to_uppcase = true;
+ to_lowcase = false;
+ }
+#if defined _NL_CURRENT || !HAVE_STRFTIME
+ cpy (aw_len, a_wkday);
+ break;
+#else
+ goto underlying_strftime;
+#endif
+
+ case 'A':
+ if (modifier != 0)
+ goto bad_format;
+ if (change_case)
+ {
+ to_uppcase = true;
+ to_lowcase = false;
+ }
+#if defined _NL_CURRENT || !HAVE_STRFTIME
+ cpy (STRLEN (f_wkday), f_wkday);
+ break;
+#else
+ goto underlying_strftime;
+#endif
+
+ case L_('b'):
+ case L_('h'):
+ if (change_case)
+ {
+ to_uppcase = true;
+ to_lowcase = false;
+ }
+ if (modifier != 0)
+ goto bad_format;
+#if defined _NL_CURRENT || !HAVE_STRFTIME
+ cpy (am_len, a_month);
+ break;
+#else
+ goto underlying_strftime;
+#endif
+
+ case L_('B'):
+ if (modifier != 0)
+ goto bad_format;
+ if (change_case)
+ {
+ to_uppcase = true;
+ to_lowcase = false;
+ }
+#if defined _NL_CURRENT || !HAVE_STRFTIME
+ cpy (STRLEN (f_month), f_month);
+ break;
+#else
+ goto underlying_strftime;
+#endif
+
+ case L_('c'):
+ if (modifier == L_('O'))
+ goto bad_format;
+#ifdef _NL_CURRENT
+ if (! (modifier == 'E'
+ && (*(subfmt =
+ (const CHAR_T *) _NL_CURRENT (LC_TIME,
+ NLW(ERA_D_T_FMT)))
+ != '\0')))
+ subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(D_T_FMT));
+#else
+# if HAVE_STRFTIME
+ goto underlying_strftime;
+# else
+ subfmt = L_("%a %b %e %H:%M:%S %Y");
+# endif
+#endif
+
+ subformat:
+ {
+ size_t len = strftime_case_ (to_uppcase,
+ NULL, STRFTIME_ARG ((size_t) -1)
+ subfmt,
+ tp extra_args LOCALE_ARG);
+ add (len, strftime_case_ (to_uppcase, p,
+ STRFTIME_ARG (maxsize - i)
+ subfmt,
+ tp extra_args LOCALE_ARG));
+ }
+ break;
+
+#if HAVE_STRFTIME && ! (defined _NL_CURRENT && HAVE_STRUCT_ERA_ENTRY)
+ underlying_strftime:
+ {
+ /* The relevant information is available only via the
+ underlying strftime implementation, so use that. */
+ char ufmt[5];
+ char *u = ufmt;
+ char ubuf[1024]; /* enough for any single format in practice */
+ size_t len;
+ /* Make sure we're calling the actual underlying strftime.
+ In some cases, config.h contains something like
+ "#define strftime rpl_strftime". */
+# ifdef strftime
+# undef strftime
+ size_t strftime ();
+# endif
+
+ /* The space helps distinguish strftime failure from empty
+ output. */
+ *u++ = ' ';
+ *u++ = '%';
+ if (modifier != 0)
+ *u++ = modifier;
+ *u++ = format_char;
+ *u = '\0';
+ len = strftime (ubuf, sizeof ubuf, ufmt, tp);
+ if (len != 0)
+ cpy (len - 1, ubuf + 1);
+ }
+ break;
+#endif
+
+ case L_('C'):
+ if (modifier == L_('O'))
+ goto bad_format;
+ if (modifier == L_('E'))
+ {
+#if HAVE_STRUCT_ERA_ENTRY
+ struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG);
+ if (era)
+ {
+# ifdef COMPILE_WIDE
+ size_t len = __wcslen (era->era_wname);
+ cpy (len, era->era_wname);
+# else
+ size_t len = strlen (era->era_name);
+ cpy (len, era->era_name);
+# endif
+ break;
+ }
+#else
+# if HAVE_STRFTIME
+ goto underlying_strftime;
+# endif
+#endif
+ }
+
+ {
+ int century = tp->tm_year / 100 + TM_YEAR_BASE / 100;
+ century -= tp->tm_year % 100 < 0 && 0 < century;
+ DO_SIGNED_NUMBER (2, tp->tm_year < - TM_YEAR_BASE, century);
+ }
+
+ case L_('x'):
+ if (modifier == L_('O'))
+ goto bad_format;
+#ifdef _NL_CURRENT
+ if (! (modifier == L_('E')
+ && (*(subfmt =
+ (const CHAR_T *)_NL_CURRENT (LC_TIME, NLW(ERA_D_FMT)))
+ != L_('\0'))))
+ subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(D_FMT));
+ goto subformat;
+#else
+# if HAVE_STRFTIME
+ goto underlying_strftime;
+# else
+ /* Fall through. */
+# endif
+#endif
+ case L_('D'):
+ if (modifier != 0)
+ goto bad_format;
+ subfmt = L_("%m/%d/%y");
+ goto subformat;
+
+ case L_('d'):
+ if (modifier == L_('E'))
+ goto bad_format;
+
+ DO_NUMBER (2, tp->tm_mday);
+
+ case L_('e'):
+ if (modifier == L_('E'))
+ goto bad_format;
+
+ DO_NUMBER_SPACEPAD (2, tp->tm_mday);
+
+ /* All numeric formats set DIGITS and NUMBER_VALUE (or U_NUMBER_VALUE)
+ and then jump to one of these labels. */
+
+ do_tz_offset:
+ always_output_a_sign = true;
+ goto do_number_body;
+
+ do_number_spacepad:
+ /* Force `_' flag unless overridden by `0' or `-' flag. */
+ if (pad != L_('0') && pad != L_('-'))
+ pad = L_('_');
+
+ do_number:
+ /* Format NUMBER_VALUE according to the MODIFIER flag. */
+ negative_number = number_value < 0;
+ u_number_value = number_value;
+
+ do_signed_number:
+ always_output_a_sign = false;
+ tz_colon_mask = 0;
+
+ do_number_body:
+ /* Format U_NUMBER_VALUE according to the MODIFIER flag.
+ NEGATIVE_NUMBER is nonzero if the original number was
+ negative; in this case it was converted directly to
+ unsigned int (i.e., modulo (UINT_MAX + 1)) without
+ negating it. */
+ if (modifier == L_('O') && !negative_number)
+ {
+#ifdef _NL_CURRENT
+ /* Get the locale specific alternate representation of
+ the number. If none exist NULL is returned. */
+ const CHAR_T *cp = nl_get_alt_digit (u_number_value
+ HELPER_LOCALE_ARG);
+
+ if (cp != NULL)
+ {
+ size_t digitlen = STRLEN (cp);
+ if (digitlen != 0)
+ {
+ cpy (digitlen, cp);
+ break;
+ }
+ }
+#else
+# if HAVE_STRFTIME
+ goto underlying_strftime;
+# endif
+#endif
+ }
+
+ bufp = buf + sizeof (buf) / sizeof (buf[0]);
+
+ if (negative_number)
+ u_number_value = - u_number_value;
+
+ do