1 /* Copyright (C) 1995-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    This program is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License as published
6    by the Free Software Foundation; version 2 of the License, or
7    (at your option) any later version.
8 
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License
15    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
16 
17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
20 
21 #include <byteswap.h>
22 #include <langinfo.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <wchar.h>
26 #include <stdint.h>
27 #include <sys/uio.h>
28 
29 #include <assert.h>
30 
31 #include "localedef.h"
32 #include "linereader.h"
33 #include "localeinfo.h"
34 #include "locfile.h"
35 
36 
37 /* Entry describing an entry of the era specification.  */
38 struct era_data
39 {
40   int32_t direction;
41   int32_t offset;
42   int32_t start_date[3];
43   int32_t stop_date[3];
44   const char *name;
45   const char *format;
46   uint32_t *wname;
47   uint32_t *wformat;
48 };
49 
50 
51 /* The real definition of the struct for the LC_TIME locale.  */
52 struct locale_time_t
53 {
54   const char *abday[7];
55   const uint32_t *wabday[7];
56   int abday_defined;
57   const char *day[7];
58   const uint32_t *wday[7];
59   int day_defined;
60   const char *abmon[12];
61   const uint32_t *wabmon[12];
62   int abmon_defined;
63   const char *mon[12];
64   const uint32_t *wmon[12];
65   int mon_defined;
66   const char *am_pm[2];
67   const uint32_t *wam_pm[2];
68   int am_pm_defined;
69   const char *d_t_fmt;
70   const uint32_t *wd_t_fmt;
71   const char *d_fmt;
72   const uint32_t *wd_fmt;
73   const char *t_fmt;
74   const uint32_t *wt_fmt;
75   const char *t_fmt_ampm;
76   const uint32_t *wt_fmt_ampm;
77   const char **era;
78   const uint32_t **wera;
79   uint32_t num_era;
80   const char *era_year;
81   const uint32_t *wera_year;
82   const char *era_d_t_fmt;
83   const uint32_t *wera_d_t_fmt;
84   const char *era_t_fmt;
85   const uint32_t *wera_t_fmt;
86   const char *era_d_fmt;
87   const uint32_t *wera_d_fmt;
88   const char *alt_digits[100];
89   const uint32_t *walt_digits[100];
90   const char *date_fmt;
91   const uint32_t *wdate_fmt;
92   int alt_digits_defined;
93   const char *alt_mon[12];
94   const uint32_t *walt_mon[12];
95   int alt_mon_defined;
96   const char *ab_alt_mon[12];
97   const uint32_t *wab_alt_mon[12];
98   int ab_alt_mon_defined;
99   unsigned char week_ndays;
100   uint32_t week_1stday;
101   unsigned char week_1stweek;
102   unsigned char first_weekday;
103   unsigned char first_workday;
104   unsigned char cal_direction;
105   const char *timezone;
106   const uint32_t *wtimezone;
107 
108   struct era_data *era_entries;
109 };
110 
111 
112 /* This constant is used to represent an empty wide character string.  */
113 static const uint32_t empty_wstr[1] = { 0 };
114 
115 
116 static void
time_startup(struct linereader * lr,struct localedef_t * locale,int ignore_content)117 time_startup (struct linereader *lr, struct localedef_t *locale,
118 	      int ignore_content)
119 {
120   if (!ignore_content)
121     locale->categories[LC_TIME].time =
122       (struct locale_time_t *) xcalloc (1, sizeof (struct locale_time_t));
123 
124   if (lr != NULL)
125     {
126       lr->translate_strings = 1;
127       lr->return_widestr = 1;
128     }
129 }
130 
131 
132 void
time_finish(struct localedef_t * locale,const struct charmap_t * charmap)133 time_finish (struct localedef_t *locale, const struct charmap_t *charmap)
134 {
135   struct locale_time_t *time = locale->categories[LC_TIME].time;
136   int nothing = 0;
137 
138   /* Now resolve copying and also handle completely missing definitions.  */
139   if (time == NULL)
140     {
141       /* First see whether we were supposed to copy.  If yes, find the
142 	 actual definition.  */
143       if (locale->copy_name[LC_TIME] != NULL)
144 	{
145 	  /* Find the copying locale.  This has to happen transitively since
146 	     the locale we are copying from might also copying another one.  */
147 	  struct localedef_t *from = locale;
148 
149 	  do
150 	    from = find_locale (LC_TIME, from->copy_name[LC_TIME],
151 				from->repertoire_name, charmap);
152 	  while (from->categories[LC_TIME].time == NULL
153 		 && from->copy_name[LC_TIME] != NULL);
154 
155 	  time = locale->categories[LC_TIME].time
156 	    = from->categories[LC_TIME].time;
157 	}
158 
159       /* If there is still no definition issue an warning and create an
160 	 empty one.  */
161       if (time == NULL)
162 	{
163 	  record_warning (_("\
164 No definition for %s category found"), "LC_TIME");
165 	  time_startup (NULL, locale, 0);
166 	  time = locale->categories[LC_TIME].time;
167 	  nothing = 1;
168 	}
169     }
170 
171 #define noparen(arg1, argn...) arg1, ##argn
172 #define TESTARR_ELEM(cat, val) \
173   if (!time->cat##_defined)						      \
174     {									      \
175       const char *initval[] = { noparen val };				      \
176       unsigned int i;							      \
177 									      \
178       if (! nothing)					    		      \
179 	record_error (0, 0, _("%s: field `%s' not defined"),	      	      \
180 		      "LC_TIME", #cat);          			      \
181 									      \
182       for (i = 0; i < sizeof (initval) / sizeof (initval[0]); ++i)	      \
183 	time->cat[i] = initval[i];					      \
184     }
185 
186   TESTARR_ELEM (abday, ( "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ));
187   TESTARR_ELEM (day, ( "Sunday", "Monday", "Tuesday", "Wednesday",
188 		        "Thursday", "Friday", "Saturday" ));
189   TESTARR_ELEM (abmon, ( "Jan", "Feb", "Mar", "Apr", "May", "Jun",
190 			  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ));
191   TESTARR_ELEM (mon, ( "January", "February", "March", "April",
192 			"May", "June", "July", "August",
193 			"September", "October", "November", "December" ));
194   TESTARR_ELEM (am_pm, ( "AM", "PM" ));
195 
196 #define TEST_ELEM(cat, initval) \
197   if (time->cat == NULL)						      \
198     {									      \
199       if (! nothing)							      \
200 	record_error (0, 0, _("%s: field `%s' not defined"),		      \
201 		      "LC_TIME", #cat);          			      \
202 									      \
203       time->cat = initval;						      \
204     }
205 
206   TEST_ELEM (d_t_fmt, "%a %b %e %H:%M:%S %Y");
207   TEST_ELEM (d_fmt, "%m/%d/%y");
208   TEST_ELEM (t_fmt, "%H:%M:%S");
209 
210   /* According to C.Y.Alexis Cheng <alexis@vnet.ibm.com> the T_FMT_AMPM
211      field is optional.  */
212   if (time->t_fmt_ampm == NULL)
213     {
214       if (time->am_pm[0][0] == '\0' && time->am_pm[1][0] == '\0')
215 	{
216 	  /* No AM/PM strings defined, use the 24h format as default.  */
217 	  time->t_fmt_ampm = time->t_fmt;
218 	  time->wt_fmt_ampm = time->wt_fmt;
219 	}
220       else
221 	{
222 	  time->t_fmt_ampm = "%I:%M:%S %p";
223 	  time->wt_fmt_ampm = (const uint32_t *) L"%I:%M:%S %p";
224 	}
225     }
226 
227   /* Now process the era entries.  */
228   if (time->num_era != 0)
229     {
230       const int days_per_month[12] = { 31, 29, 31, 30, 31, 30,
231 				       31, 31, 30, 31 ,30, 31 };
232       size_t idx;
233       wchar_t *wstr;
234 
235       time->era_entries =
236 	(struct era_data *) xmalloc (time->num_era
237 				     * sizeof (struct era_data));
238 
239       for (idx = 0; idx < time->num_era; ++idx)
240 	{
241 	  size_t era_len = strlen (time->era[idx]);
242 	  char *str = xmalloc ((era_len + 1 + 3) & ~3);
243 	  char *endp;
244 
245 	  memcpy (str, time->era[idx], era_len + 1);
246 
247 	  /* First character must be + or - for the direction.  */
248 	  if (*str != '+' && *str != '-')
249 	    {
250 	      record_error (0, 0, _("\
251 %s: direction flag in string %Zd in `era' field is not '+' nor '-'"),
252 			    "LC_TIME", idx + 1);
253 	      /* Default arbitrarily to '+'.  */
254 	      time->era_entries[idx].direction = '+';
255 	    }
256 	  else
257 	    time->era_entries[idx].direction = *str;
258 	  if (*++str != ':')
259 	    {
260 	      record_error (0, 0, _("\
261 %s: direction flag in string %Zd in `era' field is not a single character"),
262 			    "LC_TIME", idx + 1);
263 	      (void) strsep (&str, ":");
264 	    }
265 	  else
266 	    ++str;
267 
268 	  /* Now the offset year.  */
269 	  time->era_entries[idx].offset = strtol (str, &endp, 10);
270 	  if (endp == str)
271 	    {
272 	      record_error (0, 0, _("\
273 %s: invalid number for offset in string %Zd in `era' field"),
274 			    "LC_TIME", idx + 1);
275 	      (void) strsep (&str, ":");
276 	    }
277 	  else if (*endp != ':')
278 	    {
279 	      record_error (0, 0, _("\
280 %s: garbage at end of offset value in string %Zd in `era' field"),
281 			    "LC_TIME", idx + 1);
282 	      (void) strsep (&str, ":");
283 	    }
284 	  else
285 	    str = endp + 1;
286 
287 	  /* Next is the starting date in ISO format.  */
288 	  if (strncmp (str, "-*", 2) == 0)
289 	    {
290 	      time->era_entries[idx].start_date[0] =
291 		time->era_entries[idx].start_date[1] =
292 		time->era_entries[idx].start_date[2] = 0x80000000;
293 	      if (str[2] != ':')
294 		goto garbage_start_date;
295 	      str += 3;
296 	    }
297 	  else if (strncmp (str, "+*", 2) == 0)
298 	    {
299 	      time->era_entries[idx].start_date[0] =
300 		time->era_entries[idx].start_date[1] =
301 		time->era_entries[idx].start_date[2] = 0x7fffffff;
302 	      if (str[2] != ':')
303 		goto garbage_start_date;
304 	      str += 3;
305 	    }
306 	  else
307 	    {
308 	      time->era_entries[idx].start_date[0] = strtol (str, &endp, 10);
309 	      if (endp == str || *endp != '/')
310 		goto invalid_start_date;
311 	      else
312 		str = endp + 1;
313 	      time->era_entries[idx].start_date[0] -= 1900;
314 	      /* year -1 represent 1 B.C. (not -1 A.D.) */
315 	      if (time->era_entries[idx].start_date[0] < -1900)
316 		++time->era_entries[idx].start_date[0];
317 
318 	      time->era_entries[idx].start_date[1] = strtol (str, &endp, 10);
319 	      if (endp == str || *endp != '/')
320 		goto invalid_start_date;
321 	      else
322 		str = endp + 1;
323 	      time->era_entries[idx].start_date[1] -= 1;
324 
325 	      time->era_entries[idx].start_date[2] = strtol (str, &endp, 10);
326 	      if (endp == str)
327 		{
328 		invalid_start_date:
329 		  record_error (0, 0, _("\
330 %s: invalid starting date in string %Zd in `era' field"),
331 				"LC_TIME", idx + 1);
332 		  (void) strsep (&str, ":");
333 		}
334 	      else if (*endp != ':')
335 		{
336 		garbage_start_date:
337 		  record_error (0, 0, _("\
338 %s: garbage at end of starting date in string %Zd in `era' field "),
339 				"LC_TIME", idx + 1);
340 		  (void) strsep (&str, ":");
341 		}
342 	      else
343 		{
344 		  str = endp + 1;
345 
346 		  /* Check for valid value.  */
347 		  if ((time->era_entries[idx].start_date[1] < 0
348 		       || time->era_entries[idx].start_date[1] >= 12
349 		       || time->era_entries[idx].start_date[2] < 0
350 		       || (time->era_entries[idx].start_date[2]
351 			   > days_per_month[time->era_entries[idx].start_date[1]])
352 		       || (time->era_entries[idx].start_date[1] == 2
353 			   && time->era_entries[idx].start_date[2] == 29
354 			   && !__isleap (time->era_entries[idx].start_date[0]))))
355 		    record_error (0, 0, _("\
356 %s: starting date is invalid in string %Zd in `era' field"),
357 				  "LC_TIME", idx + 1);
358 		}
359 	    }
360 
361 	  /* Next is the stopping date in ISO format.  */
362 	  if (strncmp (str, "-*", 2) == 0)
363 	    {
364 	      time->era_entries[idx].stop_date[0] =
365 		time->era_entries[idx].stop_date[1] =
366 		time->era_entries[idx].stop_date[2] = 0x80000000;
367 	      if (str[2] != ':')
368 		goto garbage_stop_date;
369 	      str += 3;
370 	    }
371 	  else if (strncmp (str, "+*", 2) == 0)
372 	    {
373 	      time->era_entries[idx].stop_date[0] =
374 		time->era_entries[idx].stop_date[1] =
375 		time->era_entries[idx].stop_date[2] = 0x7fffffff;
376 	      if (str[2] != ':')
377 		goto garbage_stop_date;
378 	      str += 3;
379 	    }
380 	  else
381 	    {
382 	      time->era_entries[idx].stop_date[0] = strtol (str, &endp, 10);
383 	      if (endp == str || *endp != '/')
384 		goto invalid_stop_date;
385 	      else
386 		str = endp + 1;
387 	      time->era_entries[idx].stop_date[0] -= 1900;
388 	      /* year -1 represent 1 B.C. (not -1 A.D.) */
389 	      if (time->era_entries[idx].stop_date[0] < -1900)
390 		++time->era_entries[idx].stop_date[0];
391 
392 	      time->era_entries[idx].stop_date[1] = strtol (str, &endp, 10);
393 	      if (endp == str || *endp != '/')
394 		goto invalid_stop_date;
395 	      else
396 		str = endp + 1;
397 	      time->era_entries[idx].stop_date[1] -= 1;
398 
399 	      time->era_entries[idx].stop_date[2] = strtol (str, &endp, 10);
400 	      if (endp == str)
401 		{
402 		invalid_stop_date:
403 		  record_error (0, 0, _("\
404 %s: invalid stopping date in string %Zd in `era' field"),
405 				"LC_TIME", idx + 1);
406 		  (void) strsep (&str, ":");
407 		}
408 	      else if (*endp != ':')
409 		{
410 		garbage_stop_date:
411 		  record_error (0, 0, _("\
412 %s: garbage at end of stopping date in string %Zd in `era' field"),
413 				"LC_TIME", idx + 1);
414 		  (void) strsep (&str, ":");
415 		}
416 	      else
417 		{
418 		  str = endp + 1;
419 
420 		  /* Check for valid value.  */
421 		  if ((time->era_entries[idx].stop_date[1] < 0
422 		       || time->era_entries[idx].stop_date[1] >= 12
423 		       || time->era_entries[idx].stop_date[2] < 0
424 		       || (time->era_entries[idx].stop_date[2]
425 			   > days_per_month[time->era_entries[idx].stop_date[1]])
426 		       || (time->era_entries[idx].stop_date[1] == 2
427 			   && time->era_entries[idx].stop_date[2] == 29
428 			   && !__isleap (time->era_entries[idx].stop_date[0]))))
429 		    record_error (0, 0, _("\
430 %s: invalid stopping date in string %Zd in `era' field"),
431 				  "LC_TIME", idx + 1);
432 		}
433 	    }
434 
435 	  if (str == NULL || *str == '\0')
436 	    {
437 	      record_error (0, 0, _("\
438 %s: missing era name in string %Zd in `era' field"), "LC_TIME", idx + 1);
439 	      time->era_entries[idx].name =
440 		time->era_entries[idx].format = "";
441 	    }
442 	  else
443 	    {
444 	      time->era_entries[idx].name = strsep (&str, ":");
445 
446 	      if (str == NULL || *str == '\0')
447 		{
448 		  record_error (0, 0, _("\
449 %s: missing era format in string %Zd in `era' field"),
450 				"LC_TIME", idx + 1);
451 		  time->era_entries[idx].name =
452 		    time->era_entries[idx].format = "";
453 		}
454 	      else
455 		time->era_entries[idx].format = str;
456 	    }
457 
458 	  /* Now generate the wide character name and format.  */
459 	  wstr = wcschr ((wchar_t *) time->wera[idx], L':');/* end direction */
460 	  wstr = wstr ? wcschr (wstr + 1, L':') : NULL;	/* end offset */
461 	  wstr = wstr ? wcschr (wstr + 1, L':') : NULL;	/* end start */
462 	  wstr = wstr ? wcschr (wstr + 1, L':') : NULL;	/* end end */
463 	  if (wstr != NULL)
464 	    {
465 	      time->era_entries[idx].wname = (uint32_t *) wstr + 1;
466 	      wstr = wcschr (wstr + 1, L':');	/* end name */
467 	      if (wstr != NULL)
468 		{
469 		  *wstr = L'\0';
470 		  time->era_entries[idx].wformat = (uint32_t *) wstr + 1;
471 		}
472 	      else
473 		time->era_entries[idx].wname =
474 		  time->era_entries[idx].wformat = (uint32_t *) L"";
475 	    }
476 	  else
477 	    time->era_entries[idx].wname =
478 	      time->era_entries[idx].wformat = (uint32_t *) L"";
479 	}
480     }
481 
482   /* Set up defaults based on ISO 30112 WD10 [2014].  */
483   if (time->week_ndays == 0)
484     time->week_ndays = 7;
485 
486   if (time->week_1stday == 0)
487     time->week_1stday = 19971130;
488 
489   if (time->week_1stweek == 0)
490     time->week_1stweek = 7;
491 
492   if (time->week_1stweek > time->week_ndays)
493     record_error (0, 0, _("\
494 %s: third operand for value of field `%s' must not be larger than %d"),
495 		  "LC_TIME", "week", 7);
496 
497   if (time->first_weekday == '\0')
498     /* The definition does not specify this so the default is used.  */
499     time->first_weekday = 1;
500   else if (time->first_weekday > time->week_ndays)
501     record_error (0, 0, _("\
502 %s: values for field `%s' must not be larger than %d"),
503 		  "LC_TIME", "first_weekday", 7);
504 
505   if (time->first_workday == '\0')
506     /* The definition does not specify this so the default is used.  */
507     time->first_workday = 2;
508   else if (time->first_workday > time->week_ndays)
509     record_error (0, 0, _("\
510 %s: values for field `%s' must not be larger than %d"),
511 		  "LC_TIME", "first_workday", 7);
512 
513   if (time->cal_direction == '\0')
514     /* The definition does not specify this so the default is used.  */
515     time->cal_direction = 1;
516   else if (time->cal_direction > 3)
517     record_error (0, 0, _("\
518 %s: values for field `%s' must not be larger than %d"),
519 		  "LC_TIME", "cal_direction", 3);
520 
521   /* XXX We don't perform any tests on the timezone value since this is
522      simply useless, stupid $&$!@...  */
523   if (time->timezone == NULL)
524     time->timezone = "";
525 
526   if (time->date_fmt == NULL)
527     time->date_fmt = "%a %b %e %H:%M:%S %Z %Y";
528   if (time->wdate_fmt == NULL)
529     time->wdate_fmt = (const uint32_t *) L"%a %b %e %H:%M:%S %Z %Y";
530 }
531 
532 
533 void
time_output(struct localedef_t * locale,const struct charmap_t * charmap,const char * output_path)534 time_output (struct localedef_t *locale, const struct charmap_t *charmap,
535 	     const char *output_path)
536 {
537   struct locale_time_t *time = locale->categories[LC_TIME].time;
538   struct locale_file file;
539   size_t num, n;
540 
541   init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_TIME));
542 
543   /* The ab'days.  */
544   for (n = 0; n < 7; ++n)
545     add_locale_string (&file, time->abday[n] ?: "");
546 
547   /* The days.  */
548   for (n = 0; n < 7; ++n)
549     add_locale_string (&file, time->day[n] ?: "");
550 
551   /* The ab'mons.  */
552   for (n = 0; n < 12; ++n)
553     add_locale_string (&file, time->abmon[n] ?: "");
554 
555   /* The mons.  */
556   for (n = 0; n < 12; ++n)
557     add_locale_string (&file, time->mon[n] ?: "");
558 
559   /* AM/PM.  */
560   for (n = 0; n < 2; ++n)
561     add_locale_string (&file, time->am_pm[n]);
562 
563   add_locale_string (&file, time->d_t_fmt ?: "");
564   add_locale_string (&file, time->d_fmt ?: "");
565   add_locale_string (&file, time->t_fmt ?: "");
566   add_locale_string (&file, time->t_fmt_ampm ?: "");
567 
568   start_locale_structure (&file);
569   for (num = 0; num < time->num_era; ++num)
570     add_locale_string (&file, time->era[num]);
571   end_locale_structure (&file);
572 
573   add_locale_string (&file, time->era_year ?: "");
574   add_locale_string (&file, time->era_d_fmt ?: "");
575 
576   start_locale_structure (&file);
577   for (num = 0; num < 100; ++num)
578     add_locale_string (&file, time->alt_digits[num] ?: "");
579   end_locale_structure (&file);
580 
581   add_locale_string (&file, time->era_d_t_fmt ?: "");
582   add_locale_string (&file, time->era_t_fmt ?: "");
583   add_locale_uint32 (&file, time->num_era);
584 
585   start_locale_structure (&file);
586   for (num = 0; num < time->num_era; ++num)
587     {
588       add_locale_uint32 (&file, time->era_entries[num].direction);
589       add_locale_uint32 (&file, time->era_entries[num].offset);
590       add_locale_uint32 (&file, time->era_entries[num].start_date[0]);
591       add_locale_uint32 (&file, time->era_entries[num].start_date[1]);
592       add_locale_uint32 (&file, time->era_entries[num].start_date[2]);
593       add_locale_uint32 (&file, time->era_entries[num].stop_date[0]);
594       add_locale_uint32 (&file, time->era_entries[num].stop_date[1]);
595       add_locale_uint32 (&file, time->era_entries[num].stop_date[2]);
596       add_locale_string (&file, time->era_entries[num].name);
597       add_locale_string (&file, time->era_entries[num].format);
598       add_locale_wstring (&file, time->era_entries[num].wname);
599       add_locale_wstring (&file, time->era_entries[num].wformat);
600     }
601   end_locale_structure (&file);
602 
603   /* The wide character ab'days.  */
604   for (n = 0; n < 7; ++n)
605     add_locale_wstring (&file, time->wabday[n] ?: empty_wstr);
606 
607   /* The wide character days.  */
608   for (n = 0; n < 7; ++n)
609     add_locale_wstring (&file, time->wday[n] ?: empty_wstr);
610 
611   /* The wide character ab'mons.  */
612   for (n = 0; n < 12; ++n)
613     add_locale_wstring (&file, time->wabmon[n] ?: empty_wstr);
614 
615   /* The wide character mons.  */
616   for (n = 0; n < 12; ++n)
617     add_locale_wstring (&file, time->wmon[n] ?: empty_wstr);
618 
619   /* Wide character AM/PM.  */
620   for (n = 0; n < 2; ++n)
621     add_locale_wstring (&file, time->wam_pm[n] ?: empty_wstr);
622 
623   add_locale_wstring (&file, time->wd_t_fmt ?: empty_wstr);
624   add_locale_wstring (&file, time->wd_fmt ?: empty_wstr);
625   add_locale_wstring (&file, time->wt_fmt ?: empty_wstr);
626   add_locale_wstring (&file, time->wt_fmt_ampm ?: empty_wstr);
627   add_locale_wstring (&file, time->wera_year ?: empty_wstr);
628   add_locale_wstring (&file, time->wera_d_fmt ?: empty_wstr);
629 
630   start_locale_structure (&file);
631   for (num = 0; num < 100; ++num)
632     add_locale_wstring (&file, time->walt_digits[num] ?: empty_wstr);
633   end_locale_structure (&file);
634 
635   add_locale_wstring (&file, time->wera_d_t_fmt ?: empty_wstr);
636   add_locale_wstring (&file, time->wera_t_fmt ?: empty_wstr);
637   add_locale_char (&file, time->week_ndays);
638   add_locale_uint32 (&file, time->week_1stday);
639   add_locale_char (&file, time->week_1stweek);
640   add_locale_char (&file, time->first_weekday);
641   add_locale_char (&file, time->first_workday);
642   add_locale_char (&file, time->cal_direction);
643   add_locale_string (&file, time->timezone);
644   add_locale_string (&file, time->date_fmt);
645   add_locale_wstring (&file, time->wdate_fmt);
646   add_locale_string (&file, charmap->code_set_name);
647 
648   /* The alt'mons.  */
649   for (n = 0; n < 12; ++n)
650     add_locale_string (&file, time->alt_mon[n] ?: "");
651 
652   /* The wide character alt'mons.  */
653   for (n = 0; n < 12; ++n)
654     add_locale_wstring (&file, time->walt_mon[n] ?: empty_wstr);
655 
656   /* The ab'alt'mons.  */
657   for (n = 0; n < 12; ++n)
658     add_locale_string (&file, time->ab_alt_mon[n] ?: "");
659 
660   /* The wide character ab'alt'mons.  */
661   for (n = 0; n < 12; ++n)
662     add_locale_wstring (&file, time->wab_alt_mon[n] ?: empty_wstr);
663 
664   write_locale_data (output_path, LC_TIME, "LC_TIME", &file);
665 }
666 
667 
668 /* The parser for the LC_TIME section of the locale definition.  */
669 void
time_read(struct linereader * ldfile,struct localedef_t * result,const struct charmap_t * charmap,const char * repertoire_name,int ignore_content)670 time_read (struct linereader *ldfile, struct localedef_t *result,
671 	   const struct charmap_t *charmap, const char *repertoire_name,
672 	   int ignore_content)
673 {
674   struct repertoire_t *repertoire = NULL;
675   struct locale_time_t *time;
676   struct token *now;
677   enum token_t nowtok;
678   size_t cnt;
679 
680   /* Get the repertoire we have to use.  */
681   if (repertoire_name != NULL)
682     repertoire = repertoire_read (repertoire_name);
683 
684   /* The rest of the line containing `LC_TIME' must be free.  */
685   lr_ignore_rest (ldfile, 1);
686 
687 
688   do
689     {
690       now = lr_token (ldfile, charmap, result, repertoire, verbose);
691       nowtok = now->tok;
692     }
693   while (nowtok == tok_eol);
694 
695   /* If we see `copy' now we are almost done.  */
696   if (nowtok == tok_copy)
697     {
698       handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_time,
699 		   LC_TIME, "LC_TIME", ignore_content);
700       return;
701     }
702 
703   /* Prepare the data structures.  */
704   time_startup (ldfile, result, ignore_content);
705   time = result->categories[LC_TIME].time;
706 
707   while (1)
708     {
709       /* Of course we don't proceed beyond the end of file.  */
710       if (nowtok == tok_eof)
711 	break;
712 
713       /* Ingore empty lines.  */
714       if (nowtok == tok_eol)
715 	{
716 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
717 	  nowtok = now->tok;
718 	  continue;
719 	}
720 
721       switch (nowtok)
722 	{
723 #define STRARR_ELEM(cat, min, max) \
724 	case tok_##cat:							      \
725 	  /* Ignore the rest of the line if we don't need the input of	      \
726 	     this line.  */						      \
727 	  if (ignore_content)						      \
728 	    {								      \
729 	      lr_ignore_rest (ldfile, 0);				      \
730 	      break;							      \
731 	    }								      \
732 									      \
733 	  for (cnt = 0; cnt < max; ++cnt)				      \
734 	    {								      \
735 	      now = lr_token (ldfile, charmap, result, repertoire, verbose);  \
736 	      if (now->tok == tok_eol)					      \
737 		{							      \
738 		  if (cnt < min)					      \
739 		    lr_error (ldfile, _("%s: too few values for field `%s'"), \
740 			      "LC_TIME", #cat);				      \
741 		  if (!ignore_content)					      \
742 		    do							      \
743 		      {							      \
744 			time->cat[cnt] = "";				      \
745 			time->w##cat[cnt] = empty_wstr;			      \
746 		      }							      \
747 		    while (++cnt < max);				      \
748 		  break;						      \
749 		}							      \
750 	      else if (now->tok != tok_string)				      \
751 		goto err_label;						      \
752 	      else if (!ignore_content && (now->val.str.startmb == NULL	      \
753 					   || now->val.str.startwc == NULL))  \
754 		{							      \
755 		  lr_error (ldfile, _("%s: unknown character in field `%s'"), \
756 			    "LC_TIME", #cat);				      \
757 		  time->cat[cnt] = "";					      \
758 		  time->w##cat[cnt] = empty_wstr;			      \
759 		}							      \
760 	      else if (!ignore_content)					      \
761 		{							      \
762 		  time->cat[cnt] = now->val.str.startmb;		      \
763 		  time->w##cat[cnt] = now->val.str.startwc;		      \
764 		}							      \
765 									      \
766 	      /* Match the semicolon.  */				      \
767 	      now = lr_token (ldfile, charmap, result, repertoire, verbose);  \
768 	      if (now->tok != tok_semicolon && now->tok != tok_eol)	      \
769 		break;							      \
770 	    }								      \
771 	  if (now->tok != tok_eol)					      \
772 	    {								      \
773 	      while (!ignore_content && cnt < min)			      \
774 		{							      \
775 		  time->cat[cnt] = "";					      \
776 		  time->w##cat[cnt++] = empty_wstr;			      \
777 		}							      \
778 									      \
779 	      if (now->tok == tok_semicolon)				      \
780 		{							      \
781 		  now = lr_token (ldfile, charmap, result, repertoire,	      \
782 				  verbose);				      \
783 		  if (now->tok == tok_eol)				      \
784 		    lr_error (ldfile, _("extra trailing semicolon"));	      \
785 		  else if (now->tok == tok_string)			      \
786 		    {							      \
787 		      lr_error (ldfile, _("\
788 %s: too many values for field `%s'"),					      \
789 				"LC_TIME", #cat);			      \
790 		      lr_ignore_rest (ldfile, 0);			      \
791 		    }							      \
792 		  else							      \
793 		    goto err_label;					      \
794 		}							      \
795 	      else							      \
796 		goto err_label;						      \
797 	    }								      \
798 	  time->cat##_defined = 1;					      \
799 	  break
800 
801 	  STRARR_ELEM (abday, 7, 7);
802 	  STRARR_ELEM (day, 7, 7);
803 	  STRARR_ELEM (abmon, 12, 12);
804 	  STRARR_ELEM (mon, 12, 12);
805 	  STRARR_ELEM (am_pm, 2, 2);
806 	  STRARR_ELEM (alt_digits, 0, 100);
807 	  STRARR_ELEM (alt_mon, 12, 12);
808 	  STRARR_ELEM (ab_alt_mon, 12, 12);
809 
810 	case tok_era:
811 	  /* Ignore the rest of the line if we don't need the input of
812 	     this line.  */
813 	  if (ignore_content)
814 	    {
815 	      lr_ignore_rest (ldfile, 0);
816 	      break;
817 	    }
818 	  do
819 	    {
820 	      now = lr_token (ldfile, charmap, result, repertoire, verbose);
821 	      if (now->tok != tok_string)
822 		goto err_label;
823 	      if (!ignore_content && (now->val.str.startmb == NULL
824 				      || now->val.str.startwc == NULL))
825 		{
826 		  lr_error (ldfile, _("%s: unknown character in field `%s'"),
827 			    "LC_TIME", "era");
828 		  lr_ignore_rest (ldfile, 0);
829 		  break;
830 		}
831 	      if (!ignore_content)
832 		{
833 		  time->era = xrealloc (time->era,
834 					(time->num_era + 1) * sizeof (char *));
835 		  time->era[time->num_era] = now->val.str.startmb;
836 
837 		  time->wera = xrealloc (time->wera,
838 					 (time->num_era + 1)
839 					 * sizeof (char *));
840 		  time->wera[time->num_era++] = now->val.str.startwc;
841 		}
842 	      now = lr_token (ldfile, charmap, result, repertoire, verbose);
843 	      if (now->tok != tok_eol && now->tok != tok_semicolon)
844 		goto err_label;
845 	    }
846 	  while (now->tok == tok_semicolon);
847 	  break;
848 
849 #define STR_ELEM(cat) \
850 	case tok_##cat:							      \
851 	  /* Ignore the rest of the line if we don't need the input of	      \
852 	     this line.  */						      \
853 	  if (ignore_content)						      \
854 	    {								      \
855 	      lr_ignore_rest (ldfile, 0);				      \
856 	      break;							      \
857 	    }								      \
858 									      \
859 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);      \
860 	  if (now->tok != tok_string)					      \
861 	    goto err_label;						      \
862 	  else if (time->cat != NULL)					      \
863 	    lr_error (ldfile, _("\
864 %s: field `%s' declared more than once"), "LC_TIME", #cat);		      \
865 	  else if (!ignore_content && (now->val.str.startmb == NULL	      \
866 				       || now->val.str.startwc == NULL))      \
867 	    {								      \
868 	      lr_error (ldfile, _("%s: unknown character in field `%s'"),     \
869 			"LC_TIME", #cat);				      \
870 	      time->cat = "";						      \
871 	      time->w##cat = empty_wstr;				      \
872 	    }								      \
873 	  else if (!ignore_content)					      \
874 	    {								      \
875 	      time->cat = now->val.str.startmb;				      \
876 	      time->w##cat = now->val.str.startwc;			      \
877 	    }								      \
878 	  break
879 
880 	  STR_ELEM (d_t_fmt);
881 	  STR_ELEM (d_fmt);
882 	  STR_ELEM (t_fmt);
883 	  STR_ELEM (t_fmt_ampm);
884 	  STR_ELEM (era_year);
885 	  STR_ELEM (era_d_t_fmt);
886 	  STR_ELEM (era_d_fmt);
887 	  STR_ELEM (era_t_fmt);
888 	  STR_ELEM (timezone);
889 	  STR_ELEM (date_fmt);
890 
891 #define INT_ELEM(cat) \
892 	case tok_##cat:							      \
893 	  /* Ignore the rest of the line if we don't need the input of	      \
894 	     this line.  */						      \
895 	  if (ignore_content)						      \
896 	    {								      \
897 	      lr_ignore_rest (ldfile, 0);				      \
898 	      break;							      \
899 	    }								      \
900 									      \
901 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);      \
902 	  if (now->tok != tok_number)					      \
903 	    goto err_label;						      \
904 	  else if (time->cat != 0)					      \
905 	    lr_error (ldfile, _("%s: field `%s' declared more than once"),    \
906 		      "LC_TIME", #cat);					      \
907 	  else if (!ignore_content)					      \
908 	    time->cat = now->val.num;					      \
909 	  break
910 
911 	  INT_ELEM (first_weekday);
912 	  INT_ELEM (first_workday);
913 	  INT_ELEM (cal_direction);
914 
915 	case tok_week:
916 	  /* Ignore the rest of the line if we don't need the input of
917 	     this line.  */
918 	  if (ignore_content)
919 	    {
920 	      lr_ignore_rest (ldfile, 0);
921 	      break;
922 	    }
923 
924 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
925 	  if (now->tok != tok_number)
926 	    goto err_label;
927 	  time->week_ndays = now->val.num;
928 
929 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
930 	  if (now->tok != tok_semicolon)
931 	    goto err_label;
932 
933 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
934 	  if (now->tok != tok_number)
935 	    goto err_label;
936 	  time->week_1stday = now->val.num;
937 
938 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
939 	  if (now->tok != tok_semicolon)
940 	    goto err_label;
941 
942 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
943 	  if (now->tok != tok_number)
944 	    goto err_label;
945 	  time->week_1stweek = now->val.num;
946 
947 	  lr_ignore_rest (ldfile,  1);
948 	  break;
949 
950 	case tok_end:
951 	  /* Next we assume `LC_TIME'.  */
952 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);
953 	  if (now->tok == tok_eof)
954 	    break;
955 	  if (now->tok == tok_eol)
956 	    lr_error (ldfile, _("%s: incomplete `END' line"), "LC_TIME");
957 	  else if (now->tok != tok_lc_time)
958 	    lr_error (ldfile, _("\
959 %1$s: definition does not end with `END %1$s'"), "LC_TIME");
960 	  lr_ignore_rest (ldfile, now->tok == tok_lc_time);
961 
962 	  /* If alt_mon was not specified, make it a copy of mon.  */
963 	  if (!ignore_content && !time->alt_mon_defined)
964 	    {
965 	      memcpy (time->alt_mon, time->mon, sizeof (time->mon));
966 	      memcpy (time->walt_mon, time->wmon, sizeof (time->wmon));
967 	      time->alt_mon_defined = 1;
968 	    }
969 	  /* The same for abbreviated versions.  */
970 	  if (!ignore_content && !time->ab_alt_mon_defined)
971 	    {
972 	      memcpy (time->ab_alt_mon, time->abmon, sizeof (time->abmon));
973 	      memcpy (time->wab_alt_mon, time->wabmon, sizeof (time->wabmon));
974 	      time->ab_alt_mon_defined = 1;
975 	    }
976 	  return;
977 
978 	default:
979 	err_label:
980 	  SYNTAX_ERROR (_("%s: syntax error"), "LC_TIME");
981 	}
982 
983       /* Prepare for the next round.  */
984       now = lr_token (ldfile, charmap, result, repertoire, verbose);
985       nowtok = now->tok;
986     }
987 
988   /* When we come here we reached the end of the file.  */
989   lr_error (ldfile, _("%s: premature end of file"), "LC_TIME");
990 }
991