- switch (*fmt++)
- {
- case 'c':
- /* Match locale's alternate date and time format. */
- if (*decided != raw)
- {
- const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT);
-
- if (*fmt == '\0')
- fmt = _NL_CURRENT (LC_TIME, D_T_FMT);
-
- if (!recursive (fmt))
- {
- if (*decided == loc)
- return NULL;
- else
- rp = rp_backup;
- }
- else
- {
- if (strcmp (fmt, HERE_D_T_FMT))
- *decided = loc;
- want_xday = 1;
- break;
- }
- *decided = raw;
- }
- /* The C locale has no era information, so use the
- normal representation. */
- if (!recursive (HERE_D_T_FMT))
- return NULL;
- want_xday = 1;
- break;
- case 'C':
- if (*decided != raw)
- {
- if (era_cnt >= 0)
- {
- era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG);
- if (era != NULL && match_string (era->era_name, rp))
- {
- *decided = loc;
- break;
- }
- else
- return NULL;
- }
-
- num_eras = _NL_CURRENT_WORD (LC_TIME,
- _NL_TIME_ERA_NUM_ENTRIES);
- for (era_cnt = 0; era_cnt < (int) num_eras;
- ++era_cnt, rp = rp_backup)
- {
- era = _nl_select_era_entry (era_cnt
- HELPER_LOCALE_ARG);
- if (era != NULL && match_string (era->era_name, rp))
- {
- *decided = loc;
- break;
- }
- }
- if (era_cnt != (int) num_eras)
- break;
-
- era_cnt = -1;
- if (*decided == loc)
- return NULL;
-
- *decided = raw;
- }
- /* The C locale has no era information, so use the
- normal representation. */
- goto match_century;
- case 'y':
- if (*decided != raw)
- {
- get_number(0, 9999, 4);
- tm->tm_year = val;
- want_era = 1;
- want_xday = 1;
- want_century = 1;
-
- if (era_cnt >= 0)
- {
- assert (*decided == loc);
-
- era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG);
- bool match = false;
- if (era != NULL)
- {
- int delta = ((tm->tm_year - era->offset)
- * era->absolute_direction);
- match = (delta >= 0
- && delta < (((int64_t) era->stop_date[0]
- - (int64_t) era->start_date[0])
- * era->absolute_direction));
- }
- if (! match)
- return NULL;
-
- break;
- }
-
- num_eras = _NL_CURRENT_WORD (LC_TIME,
- _NL_TIME_ERA_NUM_ENTRIES);
- for (era_cnt = 0; era_cnt < (int) num_eras; ++era_cnt)
- {
- era = _nl_select_era_entry (era_cnt
- HELPER_LOCALE_ARG);
- if (era != NULL)
- {
- int delta = ((tm->tm_year - era->offset)
- * era->absolute_direction);
- if (delta >= 0
- && delta < (((int64_t) era->stop_date[0]
- - (int64_t) era->start_date[0])
- * era->absolute_direction))
- {
- *decided = loc;
- break;
- }
- }
- }
- if (era_cnt != (int) num_eras)
- break;
-
- era_cnt = -1;
- if (*decided == loc)
- return NULL;
-
- *decided = raw;
- }
-
- goto match_year_in_century;
- case 'Y':
- if (*decided != raw)
- {
- num_eras = _NL_CURRENT_WORD (LC_TIME,
- _NL_TIME_ERA_NUM_ENTRIES);
- for (era_cnt = 0; era_cnt < (int) num_eras;
- ++era_cnt, rp = rp_backup)
- {
- era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG);
- if (era != NULL && recursive (era->era_format))
- break;
- }
- if (era_cnt == (int) num_eras)
- {
- era_cnt = -1;
- if (*decided == loc)
- return NULL;
- else
- rp = rp_backup;
- }
- else
- {
- *decided = loc;
- era_cnt = -1;
- break;
- }
-
- *decided = raw;
- }
- get_number (0, 9999, 4);
- tm->tm_year = val - 1900;
- want_century = 0;
- want_xday = 1;
- break;
- case 'x':
- if (*decided != raw)
- {
- const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_FMT);
-
- if (*fmt == '\0')
- fmt = _NL_CURRENT (LC_TIME, D_FMT);
-
- if (!recursive (fmt))
- {
- if (*decided == loc)
- return NULL;
- else
- rp = rp_backup;
- }
- else
- {
- if (strcmp (fmt, HERE_D_FMT))
- *decided = loc;
- break;
- }
- *decided = raw;
- }
- if (!recursive (HERE_D_FMT))
- return NULL;
- break;
- case 'X':
- if (*decided != raw)
- {
- const char *fmt = _NL_CURRENT (LC_TIME, ERA_T_FMT);
-
- if (*fmt == '\0')
- fmt = _NL_CURRENT (LC_TIME, T_FMT);
-
- if (!recursive (fmt))
- {
- if (*decided == loc)
- return NULL;
- else
- rp = rp_backup;
- }
- else
- {
- if (strcmp (fmt, HERE_T_FMT))
- *decided = loc;
- break;
- }
- *decided = raw;
- }
- if (!recursive (HERE_T_FMT))
- return NULL;
- break;
- default:
- return NULL;
- }
- break;
+ if (*decided != raw)
+ {
+ if (!recursive (_NL_CURRENT (LC_TIME, T_FMT)))
+ {
+ if (*decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (_NL_CURRENT (LC_TIME, T_FMT), HERE_T_FMT))
+ *decided = loc;
+ break;
+ }
+ *decided = raw;
+ }
+#endif
+ /* Fall through. */
+ case 'T':
+ if (!recursive (HERE_T_FMT))
+ return NULL;
+ break;
+ case 'u':
+ get_number (1, 7, 1);
+ tm->tm_wday = val % 7;
+ have_wday = 1;
+ break;
+ case 'g':
+ get_number (0, 99, 2);
+ /* XXX This cannot determine any field in TM. */
+ break;
+ case 'G':
+ if (*rp < '0' || *rp > '9')
+ return NULL;
+ /* XXX Ignore the number since we would need some more
+ information to compute a real date. */
+ do
+ ++rp;
+ while (*rp >= '0' && *rp <= '9');
+ break;
+ case 'U':
+ get_number (0, 53, 2);
+ week_no = val;
+ have_uweek = 1;
+ break;
+ case 'W':
+ get_number (0, 53, 2);
+ week_no = val;
+ have_wweek = 1;
+ break;
+ case 'V':
+ get_number (0, 53, 2);
+ /* XXX This cannot determine any field in TM without some
+ information. */
+ break;
+ case 'w':
+ /* Match number of weekday. */
+ get_number (0, 6, 1);
+ tm->tm_wday = val;
+ have_wday = 1;
+ break;
+ case 'y':
+#ifdef _NL_CURRENT
+ match_year_in_century:
+#endif
+ /* Match year within century. */
+ get_number (0, 99, 2);
+ /* The "Year 2000: The Millennium Rollover" paper suggests that
+ values in the range 69-99 refer to the twentieth century. */
+ tm->tm_year = val >= 69 ? val : val + 100;
+ /* Indicate that we want to use the century, if specified. */
+ want_century = 1;
+ want_xday = 1;
+ break;
+ case 'Y':
+ /* Match year including century number. */
+ get_number (0, 9999, 4);
+ tm->tm_year = val - 1900;
+ want_century = 0;
+ want_xday = 1;
+ break;
+ case 'Z':
+ /* XXX How to handle this? */
+ break;
+ case 'z':
+ /* We recognize two formats: if two digits are given, these
+ specify hours. If fours digits are used, minutes are
+ also specified. */
+ {
+ bool neg;
+ int n;
+
+ val = 0;
+ while (*rp == ' ')
+ ++rp;
+ if (*rp != '+' && *rp != '-')
+ return NULL;
+ neg = *rp++ == '-';
+ n = 0;
+ while (n < 4 && *rp >= '0' && *rp <= '9')
+ {
+ val = val * 10 + *rp++ - '0';
+ ++n;
+ }
+ if (n == 2)
+ val *= 100;
+ else if (n != 4)
+ /* Only two or four digits recognized. */
+ return NULL;
+ else
+ {
+ /* We have to convert the minutes into decimal. */
+ if (val % 100 >= 60)
+ return NULL;
+ val = (val / 100) * 100 + ((val % 100) * 50) / 30;
+ }
+ if (val > 1200)
+ return NULL;
+#if defined _LIBC || HAVE_TM_GMTOFF
+ tm->tm_gmtoff = (val * 3600) / 100;
+ if (neg)
+ tm->tm_gmtoff = -tm->tm_gmtoff;
+#endif
+ }
+ break;
+ case 'E':
+#ifdef _NL_CURRENT
+ switch (*fmt++)
+ {
+ case 'c':
+ /* Match locale's alternate date and time format. */
+ if (*decided != raw)
+ {
+ const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT);
+
+ if (*fmt == '\0')
+ fmt = _NL_CURRENT (LC_TIME, D_T_FMT);
+
+ if (!recursive (fmt))
+ {
+ if (*decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (fmt, HERE_D_T_FMT))
+ *decided = loc;
+ want_xday = 1;
+ break;
+ }
+ *decided = raw;
+ }
+ /* The C locale has no era information, so use the
+ normal representation. */
+ if (!recursive (HERE_D_T_FMT))
+ return NULL;
+ want_xday = 1;
+ break;
+ case 'C':
+ if (*decided != raw)
+ {
+ if (era_cnt >= 0)
+ {
+ era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG);
+ if (era != NULL && match_string (era->era_name, rp))
+ {
+ *decided = loc;
+ break;
+ }
+ else
+ return NULL;
+ }
+
+ num_eras = _NL_CURRENT_WORD (LC_TIME,
+ _NL_TIME_ERA_NUM_ENTRIES);
+ for (era_cnt = 0; era_cnt < (int) num_eras;
+ ++era_cnt, rp = rp_backup)
+ {
+ era = _nl_select_era_entry (era_cnt
+ HELPER_LOCALE_ARG);
+ if (era != NULL && match_string (era->era_name, rp))
+ {
+ *decided = loc;
+ break;
+ }
+ }
+ if (era_cnt != (int) num_eras)
+ break;
+
+ era_cnt = -1;
+ if (*decided == loc)
+ return NULL;
+
+ *decided = raw;
+ }
+ /* The C locale has no era information, so use the
+ normal representation. */
+ goto match_century;
+ case 'y':
+ if (*decided != raw)
+ {
+ get_number(0, 9999, 4);
+ tm->tm_year = val;
+ want_era = 1;
+ want_xday = 1;
+ want_century = 1;
+
+ if (era_cnt >= 0)
+ {
+ assert (*decided == loc);
+
+ era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG);
+ bool match = false;
+ if (era != NULL)
+ {
+ int delta = ((tm->tm_year - era->offset)
+ * era->absolute_direction);
+ match = (delta >= 0
+ && delta < (((int64_t) era->stop_date[0]
+ - (int64_t) era->start_date[0])
+ * era->absolute_direction));
+ }
+ if (! match)
+ return NULL;
+
+ break;
+ }
+
+ num_eras = _NL_CURRENT_WORD (LC_TIME,
+ _NL_TIME_ERA_NUM_ENTRIES);
+ for (era_cnt = 0; era_cnt < (int) num_eras; ++era_cnt)
+ {
+ era = _nl_select_era_entry (era_cnt
+ HELPER_LOCALE_ARG);
+ if (era != NULL)
+ {
+ int delta = ((tm->tm_year - era->offset)
+ * era->absolute_direction);
+ if (delta >= 0
+ && delta < (((int64_t) era->stop_date[0]
+ - (int64_t) era->start_date[0])
+ * era->absolute_direction))
+ {
+ *decided = loc;
+ break;
+ }
+ }
+ }
+ if (era_cnt != (int) num_eras)
+ break;
+
+ era_cnt = -1;
+ if (*decided == loc)
+ return NULL;
+
+ *decided = raw;
+ }
+
+ goto match_year_in_century;
+ case 'Y':
+ if (*decided != raw)
+ {
+ num_eras = _NL_CURRENT_WORD (LC_TIME,
+ _NL_TIME_ERA_NUM_ENTRIES);
+ for (era_cnt = 0; era_cnt < (int) num_eras;
+ ++era_cnt, rp = rp_backup)
+ {
+ era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG);
+ if (era != NULL && recursive (era->era_format))
+ break;
+ }
+ if (era_cnt == (int) num_eras)
+ {
+ era_cnt = -1;
+ if (*decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ *decided = loc;
+ era_cnt = -1;
+ break;
+ }
+
+ *decided = raw;
+ }
+ get_number (0, 9999, 4);
+ tm->tm_year = val - 1900;
+ want_century = 0;
+ want_xday = 1;
+ break;
+ case 'x':
+ if (*decided != raw)
+ {
+ const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_FMT);
+
+ if (*fmt == '\0')
+ fmt = _NL_CURRENT (LC_TIME, D_FMT);
+
+ if (!recursive (fmt))
+ {
+ if (*decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (fmt, HERE_D_FMT))
+ *decided = loc;
+ break;
+ }
+ *decided = raw;
+ }
+ if (!recursive (HERE_D_FMT))
+ return NULL;
+ break;
+ case 'X':
+ if (*decided != raw)
+ {
+ const char *fmt = _NL_CURRENT (LC_TIME, ERA_T_FMT);
+
+ if (*fmt == '\0')
+ fmt = _NL_CURRENT (LC_TIME, T_FMT);
+
+ if (!recursive (fmt))
+ {
+ if (*decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (fmt, HERE_T_FMT))
+ *decided = loc;
+ break;
+ }
+ *decided = raw;
+ }
+ if (!recursive (HERE_T_FMT))
+ return NULL;
+ break;
+ default:
+ return NULL;
+ }
+ break;