1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Shane Caraveo <shane@caraveo.com> |
14 | Colin Viebrock <colin@easydns.com> |
15 | Hartmut Holzgraefe <hholzgra@php.net> |
16 | Wez Furlong <wez@thebrainroom.com> |
17 +----------------------------------------------------------------------+
18 */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "php.h"
25 #include "ext/standard/info.h"
26 #include "calendar_arginfo.h"
27 #include "php_calendar.h"
28 #include "sdncal.h"
29
30 #include <stdio.h>
31
32 #ifdef PHP_WIN32
33 /* This conflicts with a define in winnls.h, but that header is needed
34 to have GetACP(). */
35 #undef CAL_GREGORIAN
36 #endif
37
38 zend_module_entry calendar_module_entry = {
39 STANDARD_MODULE_HEADER,
40 "calendar",
41 ext_functions,
42 PHP_MINIT(calendar),
43 NULL,
44 NULL,
45 NULL,
46 PHP_MINFO(calendar),
47 PHP_CALENDAR_VERSION,
48 STANDARD_MODULE_PROPERTIES,
49 };
50
51 #ifdef COMPILE_DL_CALENDAR
52 ZEND_GET_MODULE(calendar)
53 #endif
54
55 /* this order must match the conversion table below */
56 enum cal_name_type_t {
57 CAL_GREGORIAN = 0,
58 CAL_JULIAN,
59 CAL_JEWISH,
60 CAL_FRENCH,
61 CAL_NUM_CALS
62 };
63
64 typedef zend_long (*cal_to_jd_func_t) (int month, int day, int year);
65 typedef void (*cal_from_jd_func_t) (zend_long jd, int *year, int *month, int *day);
66 typedef char *(*cal_as_string_func_t) (int year, int month, int day);
67
68 struct cal_entry_t {
69 const char *name;
70 const char *symbol;
71 cal_to_jd_func_t to_jd;
72 cal_from_jd_func_t from_jd;
73 int num_months;
74 int max_days_in_month;
75 const char * const * month_name_short;
76 const char * const * month_name_long;
77 };
78
79 static const struct cal_entry_t cal_conversion_table[CAL_NUM_CALS] = {
80 {"Gregorian", "CAL_GREGORIAN", GregorianToSdn, SdnToGregorian, 12, 31,
81 MonthNameShort, MonthNameLong},
82 {"Julian", "CAL_JULIAN", JulianToSdn, SdnToJulian, 12, 31,
83 MonthNameShort, MonthNameLong},
84 {"Jewish", "CAL_JEWISH", JewishToSdn, SdnToJewish, 13, 30,
85 JewishMonthNameLeap, JewishMonthNameLeap},
86 {"French", "CAL_FRENCH", FrenchToSdn, SdnToFrench, 13, 30,
87 FrenchMonthName, FrenchMonthName}
88 };
89
90 #define JEWISH_MONTH_NAME(year) ((monthsPerYear[((year)-1) % 19] == 13)?JewishMonthNameLeap:JewishMonthName)
91 #define JEWISH_HEB_MONTH_NAME(year) ((monthsPerYear[((year)-1) % 19] == 13)?JewishMonthHebNameLeap:JewishMonthHebName)
92
93 /* For jddayofweek */
94 enum { CAL_DOW_DAYNO, CAL_DOW_LONG, CAL_DOW_SHORT };
95
96 /* For jdmonthname */
97 enum { CAL_MONTH_GREGORIAN_SHORT, CAL_MONTH_GREGORIAN_LONG,
98 CAL_MONTH_JULIAN_SHORT, CAL_MONTH_JULIAN_LONG, CAL_MONTH_JEWISH,
99 CAL_MONTH_FRENCH
100 };
101
102 /* For heb_number_to_chars escape sequences of אבגדהוזחטיכלמנסעפצקרשת
103 ISO-8859-8 Hebrew alphabet */
104 static const char alef_bet[25] = "0\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEB\xEC\xEE\xF0\xF1\xF2\xF4\xF6\xF7\xF8\xF9\xFA";
105
106 #define CAL_JEWISH_ADD_ALAFIM_GERESH 0x2
107 #define CAL_JEWISH_ADD_ALAFIM 0x4
108 #define CAL_JEWISH_ADD_GERESHAYIM 0x8
109
PHP_MINIT_FUNCTION(calendar)110 PHP_MINIT_FUNCTION(calendar)
111 {
112 REGISTER_LONG_CONSTANT("CAL_GREGORIAN", CAL_GREGORIAN, CONST_CS | CONST_PERSISTENT);
113 REGISTER_LONG_CONSTANT("CAL_JULIAN", CAL_JULIAN, CONST_CS | CONST_PERSISTENT);
114 REGISTER_LONG_CONSTANT("CAL_JEWISH", CAL_JEWISH, CONST_CS | CONST_PERSISTENT);
115 REGISTER_LONG_CONSTANT("CAL_FRENCH", CAL_FRENCH, CONST_CS | CONST_PERSISTENT);
116 REGISTER_LONG_CONSTANT("CAL_NUM_CALS", CAL_NUM_CALS, CONST_CS | CONST_PERSISTENT);
117 /* constants for jddayofweek */
118 REGISTER_LONG_CONSTANT("CAL_DOW_DAYNO", CAL_DOW_DAYNO, CONST_CS | CONST_PERSISTENT);
119 REGISTER_LONG_CONSTANT("CAL_DOW_SHORT", CAL_DOW_SHORT, CONST_CS | CONST_PERSISTENT);
120 REGISTER_LONG_CONSTANT("CAL_DOW_LONG", CAL_DOW_LONG, CONST_CS | CONST_PERSISTENT);
121 /* constants for jdmonthname */
122 REGISTER_LONG_CONSTANT("CAL_MONTH_GREGORIAN_SHORT", CAL_MONTH_GREGORIAN_SHORT, CONST_CS | CONST_PERSISTENT);
123 REGISTER_LONG_CONSTANT("CAL_MONTH_GREGORIAN_LONG", CAL_MONTH_GREGORIAN_LONG, CONST_CS | CONST_PERSISTENT);
124 REGISTER_LONG_CONSTANT("CAL_MONTH_JULIAN_SHORT", CAL_MONTH_JULIAN_SHORT, CONST_CS | CONST_PERSISTENT);
125 REGISTER_LONG_CONSTANT("CAL_MONTH_JULIAN_LONG", CAL_MONTH_JULIAN_LONG, CONST_CS | CONST_PERSISTENT);
126 REGISTER_LONG_CONSTANT("CAL_MONTH_JEWISH", CAL_MONTH_JEWISH, CONST_CS | CONST_PERSISTENT);
127 REGISTER_LONG_CONSTANT("CAL_MONTH_FRENCH", CAL_MONTH_FRENCH, CONST_CS | CONST_PERSISTENT);
128 /* constants for easter calculation */
129 REGISTER_LONG_CONSTANT("CAL_EASTER_DEFAULT", CAL_EASTER_DEFAULT, CONST_CS | CONST_PERSISTENT);
130 REGISTER_LONG_CONSTANT("CAL_EASTER_ROMAN", CAL_EASTER_ROMAN, CONST_CS | CONST_PERSISTENT);
131 REGISTER_LONG_CONSTANT("CAL_EASTER_ALWAYS_GREGORIAN", CAL_EASTER_ALWAYS_GREGORIAN, CONST_CS | CONST_PERSISTENT);
132 REGISTER_LONG_CONSTANT("CAL_EASTER_ALWAYS_JULIAN", CAL_EASTER_ALWAYS_JULIAN, CONST_CS | CONST_PERSISTENT);
133 /* constants for Jewish date formatting */
134 REGISTER_LONG_CONSTANT("CAL_JEWISH_ADD_ALAFIM_GERESH", CAL_JEWISH_ADD_ALAFIM_GERESH, CONST_CS | CONST_PERSISTENT);
135 REGISTER_LONG_CONSTANT("CAL_JEWISH_ADD_ALAFIM", CAL_JEWISH_ADD_ALAFIM, CONST_CS | CONST_PERSISTENT);
136 REGISTER_LONG_CONSTANT("CAL_JEWISH_ADD_GERESHAYIM", CAL_JEWISH_ADD_GERESHAYIM, CONST_CS | CONST_PERSISTENT);
137 return SUCCESS;
138 }
139
PHP_MINFO_FUNCTION(calendar)140 PHP_MINFO_FUNCTION(calendar)
141 {
142 php_info_print_table_start();
143 php_info_print_table_row(2, "Calendar support", "enabled");
144 php_info_print_table_end();
145 }
146
_php_cal_info(int cal,zval * ret)147 static void _php_cal_info(int cal, zval *ret)
148 {
149 zval months, smonths;
150 int i;
151 const struct cal_entry_t *calendar;
152
153 calendar = &cal_conversion_table[cal];
154 array_init(ret);
155
156 array_init(&months);
157 array_init(&smonths);
158
159 for (i = 1; i <= calendar->num_months; i++) {
160 add_index_string(&months, i, calendar->month_name_long[i]);
161 add_index_string(&smonths, i, calendar->month_name_short[i]);
162 }
163
164 add_assoc_zval(ret, "months", &months);
165 add_assoc_zval(ret, "abbrevmonths", &smonths);
166 add_assoc_long(ret, "maxdaysinmonth", calendar->max_days_in_month);
167 add_assoc_string(ret, "calname", calendar->name);
168 add_assoc_string(ret, "calsymbol", calendar->symbol);
169
170 }
171
172 /* {{{ Returns information about a particular calendar */
PHP_FUNCTION(cal_info)173 PHP_FUNCTION(cal_info)
174 {
175 zend_long cal = -1;
176
177 if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &cal) == FAILURE) {
178 RETURN_THROWS();
179 }
180
181 if (cal == -1) {
182 int i;
183 zval val;
184
185 array_init(return_value);
186
187 for (i = 0; i < CAL_NUM_CALS; i++) {
188 _php_cal_info(i, &val);
189 add_index_zval(return_value, i, &val);
190 }
191 return;
192 }
193
194 if (cal < 0 || cal >= CAL_NUM_CALS) {
195 zend_argument_value_error(1, "must be a valid calendar ID");
196 RETURN_THROWS();
197 }
198
199 _php_cal_info(cal, return_value);
200 }
201 /* }}} */
202
203 /* {{{ Returns the number of days in a month for a given year and calendar */
PHP_FUNCTION(cal_days_in_month)204 PHP_FUNCTION(cal_days_in_month)
205 {
206 zend_long cal, month, year;
207 const struct cal_entry_t *calendar;
208 zend_long sdn_start, sdn_next;
209
210 if (zend_parse_parameters(ZEND_NUM_ARGS(), "lll", &cal, &month, &year) == FAILURE) {
211 RETURN_THROWS();
212 }
213
214 if (cal < 0 || cal >= CAL_NUM_CALS) {
215 zend_argument_value_error(1, "must be a valid calendar ID");
216 RETURN_THROWS();
217 }
218
219 calendar = &cal_conversion_table[cal];
220
221 sdn_start = calendar->to_jd(year, month, 1);
222
223 if (sdn_start == 0) {
224 zend_value_error("Invalid date");
225 RETURN_THROWS();
226 }
227
228 sdn_next = calendar->to_jd(year, 1 + month, 1);
229
230 if (sdn_next == 0) {
231 /* If the next month is invalid, then we need to try the first month of
232 * the next year, bearing in mind that the next year after 1 BCE is
233 * actually 1 AD and not 0. */
234 if (year == -1) {
235 sdn_next = calendar->to_jd(1, 1, 1);
236 }
237 else {
238 sdn_next = calendar->to_jd(year + 1, 1, 1);
239 if (cal == CAL_FRENCH && sdn_next == 0) {
240 /* The French calendar ends on 0014-13-05. */
241 sdn_next = 2380953;
242 }
243 }
244 }
245
246 RETURN_LONG(sdn_next - sdn_start);
247 }
248 /* }}} */
249
250 /* {{{ Converts from a supported calendar to Julian Day Count */
PHP_FUNCTION(cal_to_jd)251 PHP_FUNCTION(cal_to_jd)
252 {
253 zend_long cal, month, day, year;
254
255 if (zend_parse_parameters(ZEND_NUM_ARGS(), "llll", &cal, &month, &day, &year) != SUCCESS) {
256 RETURN_THROWS();
257 }
258
259 if (cal < 0 || cal >= CAL_NUM_CALS) {
260 zend_argument_value_error(1, "must be a valid calendar ID");
261 RETURN_THROWS();
262 }
263
264 RETURN_LONG(cal_conversion_table[cal].to_jd(year, month, day));
265 }
266 /* }}} */
267
268 /* {{{ Converts from Julian Day Count to a supported calendar and return extended information */
PHP_FUNCTION(cal_from_jd)269 PHP_FUNCTION(cal_from_jd)
270 {
271 zend_long jd, cal;
272 int month, day, year, dow;
273 const struct cal_entry_t *calendar;
274
275 if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &jd, &cal) == FAILURE) {
276 RETURN_THROWS();
277 }
278
279 if (cal < 0 || cal >= CAL_NUM_CALS) {
280 zend_argument_value_error(2, "must be a valid calendar ID");
281 RETURN_THROWS();
282 }
283 calendar = &cal_conversion_table[cal];
284
285 array_init(return_value);
286
287 calendar->from_jd(jd, &year, &month, &day);
288
289 add_assoc_str(return_value, "date",
290 zend_strpprintf(0, "%i/%i/%i", month, day, year));
291
292 add_assoc_long(return_value, "month", month);
293 add_assoc_long(return_value, "day", day);
294 add_assoc_long(return_value, "year", year);
295
296 /* day of week */
297 if (cal != CAL_JEWISH || year > 0) {
298 dow = DayOfWeek(jd);
299 add_assoc_long(return_value, "dow", dow);
300 add_assoc_string(return_value, "abbrevdayname", DayNameShort[dow]);
301 add_assoc_string(return_value, "dayname", DayNameLong[dow]);
302 } else {
303 add_assoc_null(return_value, "dow");
304 add_assoc_string(return_value, "abbrevdayname", "");
305 add_assoc_string(return_value, "dayname", "");
306 }
307 /* month name */
308 if(cal == CAL_JEWISH) {
309 /* special case for Jewish calendar */
310 add_assoc_string(return_value, "abbrevmonth", (year > 0 ? JEWISH_MONTH_NAME(year)[month] : ""));
311 add_assoc_string(return_value, "monthname", (year > 0 ? JEWISH_MONTH_NAME(year)[month] : ""));
312 } else {
313 add_assoc_string(return_value, "abbrevmonth", calendar->month_name_short[month]);
314 add_assoc_string(return_value, "monthname", calendar->month_name_long[month]);
315 }
316 }
317 /* }}} */
318
319 /* {{{ Converts a julian day count to a gregorian calendar date */
PHP_FUNCTION(jdtogregorian)320 PHP_FUNCTION(jdtogregorian)
321 {
322 zend_long julday;
323 int year, month, day;
324
325 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &julday) == FAILURE) {
326 RETURN_THROWS();
327 }
328
329 SdnToGregorian(julday, &year, &month, &day);
330
331 RETURN_NEW_STR(zend_strpprintf(0, "%i/%i/%i", month, day, year));
332 }
333 /* }}} */
334
335 /* {{{ Converts a gregorian calendar date to julian day count */
PHP_FUNCTION(gregoriantojd)336 PHP_FUNCTION(gregoriantojd)
337 {
338 zend_long year, month, day;
339
340 if (zend_parse_parameters(ZEND_NUM_ARGS(), "lll", &month, &day, &year) == FAILURE) {
341 RETURN_THROWS();
342 }
343
344 RETURN_LONG(GregorianToSdn(year, month, day));
345 }
346 /* }}} */
347
348 /* {{{ Convert a julian day count to a julian calendar date */
PHP_FUNCTION(jdtojulian)349 PHP_FUNCTION(jdtojulian)
350 {
351 zend_long julday;
352 int year, month, day;
353
354 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &julday) == FAILURE) {
355 RETURN_THROWS();
356 }
357
358 SdnToJulian(julday, &year, &month, &day);
359
360 RETURN_NEW_STR(zend_strpprintf(0, "%i/%i/%i", month, day, year));
361 }
362 /* }}} */
363
364 /* {{{ Converts a julian calendar date to julian day count */
PHP_FUNCTION(juliantojd)365 PHP_FUNCTION(juliantojd)
366 {
367 zend_long year, month, day;
368
369 if (zend_parse_parameters(ZEND_NUM_ARGS(), "lll", &month, &day, &year) == FAILURE) {
370 RETURN_THROWS();
371 }
372
373 RETURN_LONG(JulianToSdn(year, month, day));
374 }
375 /* }}} */
376
377 /* {{{ heb_number_to_chars*/
378 /*
379 caution: the Hebrew format produces non unique result.
380 for example both: year '5' and year '5000' produce 'ה'.
381 use the numeric one for calculations.
382 */
heb_number_to_chars(int n,int fl,char ** ret)383 static char *heb_number_to_chars(int n, int fl, char **ret)
384 {
385 char *p, old[18], *endofalafim;
386
387 p = endofalafim = old;
388 /*
389 prevents the option breaking the jewish beliefs, and some other
390 critical resources ;)
391 */
392 if (n > 9999 || n < 1) {
393 *ret = NULL;
394 return NULL;
395 }
396
397 /* alafim (thousands) case */
398 if (n / 1000) {
399 *p = alef_bet[n / 1000];
400 p++;
401
402 if (CAL_JEWISH_ADD_ALAFIM_GERESH & fl) {
403 *p = '\'';
404 p++;
405 }
406 if (CAL_JEWISH_ADD_ALAFIM & fl) {
407 /* Escape sequences of Hebrew characters in ISO-8859-8: אלפים */
408 strcpy(p, " \xE0\xEC\xF4\xE9\xED ");
409 p += 7;
410 }
411
412 endofalafim = p;
413 n = n % 1000;
414 }
415
416 /* tav-tav (tav=400) case */
417 while (n >= 400) {
418 *p = alef_bet[22];
419 p++;
420 n -= 400;
421 }
422
423 /* meot (hundreads) case */
424 if (n >= 100) {
425 *p = alef_bet[18 + n / 100];
426 p++;
427 n = n % 100;
428 }
429
430 /* tet-vav & tet-zain case (special case for 15 and 16) */
431 if (n == 15 || n == 16) {
432 *p = alef_bet[9];
433 p++;
434 *p = alef_bet[n - 9];
435 p++;
436 } else {
437 /* asarot (tens) case */
438 if (n >= 10) {
439 *p = alef_bet[9 + n / 10];
440 p++;
441 n = n % 10;
442 }
443
444 /* yehidot (ones) case */
445 if (n > 0) {
446 *p = alef_bet[n];
447 p++;
448 }
449 }
450
451 if (CAL_JEWISH_ADD_GERESHAYIM & fl) {
452 switch (p - endofalafim) {
453 case 0:
454 break;
455 case 1:
456 *p = '\'';
457 p++;
458 break;
459 default:
460 *(p) = *(p - 1);
461 *(p - 1) = '"';
462 p++;
463 }
464 }
465
466 *p = '\0';
467 *ret = estrndup(old, (p - old) + 1);
468 p = *ret;
469 return p;
470 }
471 /* }}} */
472
473 /* {{{ Converts a julian day count to a jewish calendar date */
PHP_FUNCTION(jdtojewish)474 PHP_FUNCTION(jdtojewish)
475 {
476 zend_long julday, fl = 0;
477 zend_bool heb = 0;
478 int year, month, day;
479 char *dayp, *yearp;
480
481 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|bl", &julday, &heb, &fl) == FAILURE) {
482 RETURN_THROWS();
483 }
484
485 SdnToJewish(julday, &year, &month, &day);
486 if (!heb) {
487 RETURN_NEW_STR(zend_strpprintf(0, "%i/%i/%i", month, day, year));
488 } else {
489 if (year <= 0 || year > 9999) {
490 zend_value_error("Year out of range (0-9999)");
491 RETURN_THROWS();
492 }
493
494 RETVAL_NEW_STR(zend_strpprintf(0, "%s %s %s", heb_number_to_chars(day, fl, &dayp), JEWISH_HEB_MONTH_NAME(year)[month], heb_number_to_chars(year, fl, &yearp)));
495
496 if (dayp) {
497 efree(dayp);
498 }
499 if (yearp) {
500 efree(yearp);
501 }
502 }
503 }
504 /* }}} */
505
506 /* {{{ Converts a jewish calendar date to a julian day count */
PHP_FUNCTION(jewishtojd)507 PHP_FUNCTION(jewishtojd)
508 {
509 zend_long year, month, day;
510
511 if (zend_parse_parameters(ZEND_NUM_ARGS(), "lll", &month, &day, &year) == FAILURE) {
512 RETURN_THROWS();
513 }
514
515 RETURN_LONG(JewishToSdn(year, month, day));
516 }
517 /* }}} */
518
519 /* {{{ Converts a julian day count to a french republic calendar date */
PHP_FUNCTION(jdtofrench)520 PHP_FUNCTION(jdtofrench)
521 {
522 zend_long julday;
523 int year, month, day;
524
525 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &julday) == FAILURE) {
526 RETURN_THROWS();
527 }
528
529 SdnToFrench(julday, &year, &month, &day);
530
531 RETURN_NEW_STR(zend_strpprintf(0, "%i/%i/%i", month, day, year));
532 }
533 /* }}} */
534
535 /* {{{ Converts a french republic calendar date to julian day count */
PHP_FUNCTION(frenchtojd)536 PHP_FUNCTION(frenchtojd)
537 {
538 zend_long year, month, day;
539
540 if (zend_parse_parameters(ZEND_NUM_ARGS(), "lll", &month, &day, &year) == FAILURE) {
541 RETURN_THROWS();
542 }
543
544 RETURN_LONG(FrenchToSdn(year, month, day));
545 }
546 /* }}} */
547
548 /* {{{ Returns name or number of day of week from julian day count */
PHP_FUNCTION(jddayofweek)549 PHP_FUNCTION(jddayofweek)
550 {
551 zend_long julday, mode = CAL_DOW_DAYNO;
552 int day;
553 const char *daynamel, *daynames;
554
555 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|l", &julday, &mode) == FAILURE) {
556 RETURN_THROWS();
557 }
558
559 day = DayOfWeek(julday);
560 daynamel = DayNameLong[day];
561 daynames = DayNameShort[day];
562
563 switch (mode) {
564 case CAL_DOW_LONG:
565 RETURN_STRING(daynamel);
566 break;
567 case CAL_DOW_SHORT:
568 RETURN_STRING(daynames);
569 break;
570 case CAL_DOW_DAYNO:
571 default:
572 RETURN_LONG(day);
573 break;
574 }
575 }
576 /* }}} */
577
578 /* {{{ Returns name of month for julian day count */
PHP_FUNCTION(jdmonthname)579 PHP_FUNCTION(jdmonthname)
580 {
581 zend_long julday, mode;
582 const char *monthname = NULL;
583 int month, day, year;
584
585 if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &julday, &mode) == FAILURE) {
586 RETURN_THROWS();
587 }
588
589 switch (mode) {
590 case CAL_MONTH_GREGORIAN_LONG: /* gregorian or julian month */
591 SdnToGregorian(julday, &year, &month, &day);
592 monthname = MonthNameLong[month];
593 break;
594 case CAL_MONTH_JULIAN_SHORT: /* gregorian or julian month */
595 SdnToJulian(julday, &year, &month, &day);
596 monthname = MonthNameShort[month];
597 break;
598 case CAL_MONTH_JULIAN_LONG: /* gregorian or julian month */
599 SdnToJulian(julday, &year, &month, &day);
600 monthname = MonthNameLong[month];
601 break;
602 case CAL_MONTH_JEWISH: /* jewish month */
603 SdnToJewish(julday, &year, &month, &day);
604 monthname = (year > 0 ? JEWISH_MONTH_NAME(year)[month] : "");
605 break;
606 case CAL_MONTH_FRENCH: /* french month */
607 SdnToFrench(julday, &year, &month, &day);
608 monthname = FrenchMonthName[month];
609 break;
610 default: /* default gregorian */
611 case CAL_MONTH_GREGORIAN_SHORT: /* gregorian or julian month */
612 SdnToGregorian(julday, &year, &month, &day);
613 monthname = MonthNameShort[month];
614 break;
615 }
616
617 RETURN_STRING(monthname);
618 }
619 /* }}} */
620
