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bfff8b1b | 1 | /* Copyright (C) 2002-2017 Free Software Foundation, Inc. |
60f20c19 RM |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library 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 GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
60f20c19 | 17 | |
ccadf7b5 UD |
18 | #ifdef HAVE_CONFIG_H |
19 | # include <config.h> | |
20 | #endif | |
60f20c19 | 21 | |
1750bc8d | 22 | #include <assert.h> |
ccadf7b5 UD |
23 | #include <ctype.h> |
24 | #include <langinfo.h> | |
25 | #include <limits.h> | |
26 | #include <string.h> | |
27 | #include <time.h> | |
f2d4c706 | 28 | #include <stdbool.h> |
ccadf7b5 UD |
29 | |
30 | #ifdef _LIBC | |
180e0e4b | 31 | # define HAVE_LOCALTIME_R 0 |
ccadf7b5 UD |
32 | # include "../locale/localeinfo.h" |
33 | #endif | |
34 | ||
35 | ||
ccadf7b5 UD |
36 | #if ! HAVE_LOCALTIME_R && ! defined localtime_r |
37 | # ifdef _LIBC | |
38 | # define localtime_r __localtime_r | |
39 | # else | |
40 | /* Approximate localtime_r as best we can in its absence. */ | |
41 | # define localtime_r my_localtime_r | |
cc9f65ce | 42 | static struct tm *localtime_r (const time_t *, struct tm *); |
ccadf7b5 | 43 | static struct tm * |
9dd346ff | 44 | localtime_r (const time_t *t, struct tm *tp) |
ccadf7b5 UD |
45 | { |
46 | struct tm *l = localtime (t); | |
47 | if (! l) | |
48 | return 0; | |
49 | *tp = *l; | |
50 | return tp; | |
51 | } | |
52 | # endif /* ! _LIBC */ | |
53 | #endif /* ! HAVE_LOCALTIME_R && ! defined (localtime_r) */ | |
54 | ||
55 | ||
56 | #define match_char(ch1, ch2) if (ch1 != ch2) return NULL | |
57 | #if defined __GNUC__ && __GNUC__ >= 2 | |
58 | # define match_string(cs1, s2) \ | |
59 | ({ size_t len = strlen (cs1); \ | |
60 | int result = __strncasecmp_l ((cs1), (s2), len, locale) == 0; \ | |
61 | if (result) (s2) += len; \ | |
62 | result; }) | |
63 | #else | |
64 | /* Oh come on. Get a reasonable compiler. */ | |
65 | # define match_string(cs1, s2) \ | |
66 | (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1)) | |
67 | #endif | |
68 | /* We intentionally do not use isdigit() for testing because this will | |
69 | lead to problems with the wide character version. */ | |
70 | #define get_number(from, to, n) \ | |
71 | do { \ | |
72 | int __n = n; \ | |
73 | val = 0; \ | |
ff491d14 | 74 | while (ISSPACE (*rp)) \ |
ccadf7b5 UD |
75 | ++rp; \ |
76 | if (*rp < '0' || *rp > '9') \ | |
77 | return NULL; \ | |
78 | do { \ | |
79 | val *= 10; \ | |
80 | val += *rp++ - '0'; \ | |
81 | } while (--__n > 0 && val * 10 <= to && *rp >= '0' && *rp <= '9'); \ | |
82 | if (val < from || val > to) \ | |
83 | return NULL; \ | |
84 | } while (0) | |
85 | #ifdef _NL_CURRENT | |
86 | # define get_alt_number(from, to, n) \ | |
87 | ({ \ | |
88 | __label__ do_normal; \ | |
89 | \ | |
fa69dc9c | 90 | if (s.decided != raw) \ |
ccadf7b5 UD |
91 | { \ |
92 | val = _nl_parse_alt_digit (&rp HELPER_LOCALE_ARG); \ | |
fa69dc9c | 93 | if (val == -1 && s.decided != loc) \ |
ccadf7b5 | 94 | { \ |
fa69dc9c | 95 | s.decided = loc; \ |
ccadf7b5 UD |
96 | goto do_normal; \ |
97 | } \ | |
98 | if (val < from || val > to) \ | |
99 | return NULL; \ | |
100 | } \ | |
101 | else \ | |
102 | { \ | |
103 | do_normal: \ | |
104 | get_number (from, to, n); \ | |
105 | } \ | |
106 | 0; \ | |
107 | }) | |
108 | #else | |
109 | # define get_alt_number(from, to, n) \ | |
110 | /* We don't have the alternate representation. */ \ | |
111 | get_number(from, to, n) | |
112 | #endif | |
113 | #define recursive(new_fmt) \ | |
114 | (*(new_fmt) != '\0' \ | |
fa69dc9c | 115 | && (rp = __strptime_internal (rp, (new_fmt), tm, &s LOCALE_ARG)) != NULL) |
ccadf7b5 UD |
116 | |
117 | ||
118 | #ifdef _LIBC | |
119 | /* This is defined in locale/C-time.c in the GNU libc. */ | |
f095bb72 | 120 | extern const struct __locale_data _nl_C_LC_TIME attribute_hidden; |
ccadf7b5 UD |
121 | |
122 | # define weekday_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (DAY_1)].string) | |
123 | # define ab_weekday_name \ | |
124 | (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABDAY_1)].string) | |
125 | # define month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (MON_1)].string) | |
126 | # define ab_month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABMON_1)].string) | |
127 | # define HERE_D_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_T_FMT)].string) | |
128 | # define HERE_D_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_FMT)].string) | |
129 | # define HERE_AM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (AM_STR)].string) | |
130 | # define HERE_PM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (PM_STR)].string) | |
131 | # define HERE_T_FMT_AMPM \ | |
132 | (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT_AMPM)].string) | |
133 | # define HERE_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT)].string) | |
134 | ||
135 | # define strncasecmp(s1, s2, n) __strncasecmp (s1, s2, n) | |
136 | #else | |
137 | static char const weekday_name[][10] = | |
138 | { | |
139 | "Sunday", "Monday", "Tuesday", "Wednesday", | |
140 | "Thursday", "Friday", "Saturday" | |
141 | }; | |
142 | static char const ab_weekday_name[][4] = | |
143 | { | |
144 | "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" | |
145 | }; | |
146 | static char const month_name[][10] = | |
147 | { | |
148 | "January", "February", "March", "April", "May", "June", | |
149 | "July", "August", "September", "October", "November", "December" | |
150 | }; | |
151 | static char const ab_month_name[][4] = | |
152 | { | |
153 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
154 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" | |
155 | }; | |
156 | # define HERE_D_T_FMT "%a %b %e %H:%M:%S %Y" | |
157 | # define HERE_D_FMT "%m/%d/%y" | |
158 | # define HERE_AM_STR "AM" | |
159 | # define HERE_PM_STR "PM" | |
160 | # define HERE_T_FMT_AMPM "%I:%M:%S %p" | |
161 | # define HERE_T_FMT "%H:%M:%S" | |
162 | ||
163 | static const unsigned short int __mon_yday[2][13] = | |
164 | { | |
165 | /* Normal years. */ | |
166 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, | |
167 | /* Leap years. */ | |
168 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } | |
169 | }; | |
170 | #endif | |
171 | ||
172 | #if defined _LIBC | |
173 | /* We use this code also for the extended locale handling where the | |
174 | function gets as an additional argument the locale which has to be | |
175 | used. To access the values we have to redefine the _NL_CURRENT | |
176 | macro. */ | |
177 | # define strptime __strptime_l | |
178 | # undef _NL_CURRENT | |
179 | # define _NL_CURRENT(category, item) \ | |
180 | (current->values[_NL_ITEM_INDEX (item)].string) | |
181 | # undef _NL_CURRENT_WORD | |
182 | # define _NL_CURRENT_WORD(category, item) \ | |
183 | (current->values[_NL_ITEM_INDEX (item)].word) | |
af85385f | 184 | # define LOCALE_PARAM , locale_t locale |
ccadf7b5 | 185 | # define LOCALE_ARG , locale |
ccadf7b5 UD |
186 | # define HELPER_LOCALE_ARG , current |
187 | # define ISSPACE(Ch) __isspace_l (Ch, locale) | |
188 | #else | |
189 | # define LOCALE_PARAM | |
190 | # define LOCALE_ARG | |
ccadf7b5 UD |
191 | # define HELPER_LOCALE_ARG |
192 | # define ISSPACE(Ch) isspace (Ch) | |
193 | #endif | |
194 | ||
195 | ||
196 | ||
197 | ||
198 | #ifndef __isleap | |
199 | /* Nonzero if YEAR is a leap year (every 4 years, | |
200 | except every 100th isn't, and every 400th is). */ | |
201 | # define __isleap(year) \ | |
202 | ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) | |
203 | #endif | |
204 | ||
205 | /* Compute the day of the week. */ | |
206 | static void | |
207 | day_of_the_week (struct tm *tm) | |
208 | { | |
209 | /* We know that January 1st 1970 was a Thursday (= 4). Compute the | |
ded5b9b7 | 210 | difference between this data in the one on TM and so determine |
ccadf7b5 UD |
211 | the weekday. */ |
212 | int corr_year = 1900 + tm->tm_year - (tm->tm_mon < 2); | |
213 | int wday = (-473 | |
214 | + (365 * (tm->tm_year - 70)) | |
215 | + (corr_year / 4) | |
216 | - ((corr_year / 4) / 25) + ((corr_year / 4) % 25 < 0) | |
217 | + (((corr_year / 4) / 25) / 4) | |
218 | + __mon_yday[0][tm->tm_mon] | |
219 | + tm->tm_mday - 1); | |
220 | tm->tm_wday = ((wday % 7) + 7) % 7; | |
221 | } | |
222 | ||
223 | /* Compute the day of the year. */ | |
224 | static void | |
225 | day_of_the_year (struct tm *tm) | |
226 | { | |
227 | tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon] | |
228 | + (tm->tm_mday - 1)); | |
229 | } | |
230 | ||
231 | ||
232 | #ifdef _LIBC | |
233 | char * | |
234 | internal_function | |
235 | #else | |
236 | static char * | |
237 | #endif | |
80d9be81 JM |
238 | __strptime_internal (const char *rp, const char *fmt, struct tm *tmp, |
239 | void *statep LOCALE_PARAM) | |
ccadf7b5 UD |
240 | { |
241 | #ifdef _LIBC | |
f095bb72 | 242 | struct __locale_data *const current = locale->__locales[LC_TIME]; |
ccadf7b5 UD |
243 | #endif |
244 | ||
245 | const char *rp_backup; | |
f98c2d06 | 246 | const char *rp_longest; |
ccadf7b5 | 247 | int cnt; |
f98c2d06 | 248 | int cnt_longest; |
ccadf7b5 | 249 | size_t val; |
ccadf7b5 | 250 | size_t num_eras; |
fa69dc9c UD |
251 | struct era_entry *era = NULL; |
252 | enum ptime_locale_status { not, loc, raw } decided_longest; | |
253 | struct __strptime_state | |
254 | { | |
255 | unsigned int have_I : 1; | |
256 | unsigned int have_wday : 1; | |
257 | unsigned int have_yday : 1; | |
258 | unsigned int have_mon : 1; | |
259 | unsigned int have_mday : 1; | |
260 | unsigned int have_uweek : 1; | |
261 | unsigned int have_wweek : 1; | |
262 | unsigned int is_pm : 1; | |
263 | unsigned int want_century : 1; | |
264 | unsigned int want_era : 1; | |
265 | unsigned int want_xday : 1; | |
266 | enum ptime_locale_status decided : 2; | |
267 | signed char week_no; | |
268 | signed char century; | |
269 | int era_cnt; | |
270 | } s; | |
271 | struct tm tmb; | |
272 | struct tm *tm; | |
273 | ||
274 | if (statep == NULL) | |
275 | { | |
276 | memset (&s, 0, sizeof (s)); | |
277 | s.century = -1; | |
278 | s.era_cnt = -1; | |
279 | #ifdef _NL_CURRENT | |
280 | s.decided = not; | |
281 | #else | |
282 | s.decided = raw; | |
283 | #endif | |
284 | tm = tmp; | |
285 | } | |
286 | else | |
287 | { | |
288 | s = *(struct __strptime_state *) statep; | |
289 | tmb = *tmp; | |
290 | tm = &tmb; | |
291 | } | |
ccadf7b5 UD |
292 | |
293 | while (*fmt != '\0') | |
294 | { | |
295 | /* A white space in the format string matches 0 more or white | |
296 | space in the input string. */ | |
297 | if (ISSPACE (*fmt)) | |
298 | { | |
299 | while (ISSPACE (*rp)) | |
300 | ++rp; | |
301 | ++fmt; | |
302 | continue; | |
303 | } | |
304 | ||
305 | /* Any character but `%' must be matched by the same character | |
306 | in the iput string. */ | |
307 | if (*fmt != '%') | |
308 | { | |
309 | match_char (*fmt++, *rp++); | |
310 | continue; | |
311 | } | |
312 | ||
313 | ++fmt; | |
19e3372b OB |
314 | /* We discard strftime modifiers. */ |
315 | while (*fmt == '-' || *fmt == '_' || *fmt == '0' | |
316 | || *fmt == '^' || *fmt == '#') | |
317 | ++fmt; | |
318 | ||
319 | /* And field width. */ | |
320 | while (*fmt >= '0' && *fmt <= '9') | |
321 | ++fmt; | |
ae1ad762 | 322 | |
ccadf7b5 UD |
323 | #ifndef _NL_CURRENT |
324 | /* We need this for handling the `E' modifier. */ | |
325 | start_over: | |
326 | #endif | |
327 | ||
328 | /* Make back up of current processing pointer. */ | |
329 | rp_backup = rp; | |
330 | ||
331 | switch (*fmt++) | |
332 | { | |
333 | case '%': | |
334 | /* Match the `%' character itself. */ | |
335 | match_char ('%', *rp++); | |
336 | break; | |
337 | case 'a': | |
338 | case 'A': | |
339 | /* Match day of week. */ | |
f98c2d06 | 340 | rp_longest = NULL; |
fa69dc9c | 341 | decided_longest = s.decided; |
f98c2d06 | 342 | cnt_longest = -1; |
ccadf7b5 UD |
343 | for (cnt = 0; cnt < 7; ++cnt) |
344 | { | |
f98c2d06 | 345 | const char *trp; |
ccadf7b5 | 346 | #ifdef _NL_CURRENT |
fa69dc9c | 347 | if (s.decided !=raw) |
ccadf7b5 | 348 | { |
f98c2d06 UD |
349 | trp = rp; |
350 | if (match_string (_NL_CURRENT (LC_TIME, DAY_1 + cnt), trp) | |
351 | && trp > rp_longest) | |
ccadf7b5 | 352 | { |
f98c2d06 UD |
353 | rp_longest = trp; |
354 | cnt_longest = cnt; | |
fa69dc9c | 355 | if (s.decided == not |
ccadf7b5 UD |
356 | && strcmp (_NL_CURRENT (LC_TIME, DAY_1 + cnt), |
357 | weekday_name[cnt])) | |
f98c2d06 | 358 | decided_longest = loc; |
ccadf7b5 | 359 | } |
f98c2d06 UD |
360 | trp = rp; |
361 | if (match_string (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), trp) | |
362 | && trp > rp_longest) | |
ccadf7b5 | 363 | { |
f98c2d06 UD |
364 | rp_longest = trp; |
365 | cnt_longest = cnt; | |
fa69dc9c | 366 | if (s.decided == not |
ccadf7b5 UD |
367 | && strcmp (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), |
368 | ab_weekday_name[cnt])) | |
f98c2d06 | 369 | decided_longest = loc; |
ccadf7b5 UD |
370 | } |
371 | } | |
372 | #endif | |
fa69dc9c | 373 | if (s.decided != loc |
f98c2d06 UD |
374 | && (((trp = rp, match_string (weekday_name[cnt], trp)) |
375 | && trp > rp_longest) | |
376 | || ((trp = rp, match_string (ab_weekday_name[cnt], rp)) | |
377 | && trp > rp_longest))) | |
ccadf7b5 | 378 | { |
f98c2d06 UD |
379 | rp_longest = trp; |
380 | cnt_longest = cnt; | |
381 | decided_longest = raw; | |
ccadf7b5 UD |
382 | } |
383 | } | |
f98c2d06 | 384 | if (rp_longest == NULL) |
ccadf7b5 UD |
385 | /* Does not match a weekday name. */ |
386 | return NULL; | |
f98c2d06 | 387 | rp = rp_longest; |
fa69dc9c | 388 | s.decided = decided_longest; |
f98c2d06 | 389 | tm->tm_wday = cnt_longest; |
fa69dc9c | 390 | s.have_wday = 1; |
ccadf7b5 UD |
391 | break; |
392 | case 'b': | |
393 | case 'B': | |
394 | case 'h': | |
395 | /* Match month name. */ | |
f98c2d06 | 396 | rp_longest = NULL; |
fa69dc9c | 397 | decided_longest = s.decided; |
f98c2d06 | 398 | cnt_longest = -1; |
ccadf7b5 UD |
399 | for (cnt = 0; cnt < 12; ++cnt) |
400 | { | |
f98c2d06 | 401 | const char *trp; |
ccadf7b5 | 402 | #ifdef _NL_CURRENT |
fa69dc9c | 403 | if (s.decided !=raw) |
ccadf7b5 | 404 | { |
f98c2d06 UD |
405 | trp = rp; |
406 | if (match_string (_NL_CURRENT (LC_TIME, MON_1 + cnt), trp) | |
407 | && trp > rp_longest) | |
ccadf7b5 | 408 | { |
f98c2d06 UD |
409 | rp_longest = trp; |
410 | cnt_longest = cnt; | |
fa69dc9c | 411 | if (s.decided == not |
ccadf7b5 UD |
412 | && strcmp (_NL_CURRENT (LC_TIME, MON_1 + cnt), |
413 | month_name[cnt])) | |
f98c2d06 | 414 | decided_longest = loc; |
ccadf7b5 | 415 | } |
f98c2d06 UD |
416 | trp = rp; |
417 | if (match_string (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), trp) | |
418 | && trp > rp_longest) | |
ccadf7b5 | 419 | { |
f98c2d06 UD |
420 | rp_longest = trp; |
421 | cnt_longest = cnt; | |
fa69dc9c | 422 | if (s.decided == not |
ccadf7b5 UD |
423 | && strcmp (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), |
424 | ab_month_name[cnt])) | |
f98c2d06 | 425 | decided_longest = loc; |
ccadf7b5 UD |
426 | } |
427 | } | |
428 | #endif | |
fa69dc9c | 429 | if (s.decided != loc |
f98c2d06 UD |
430 | && (((trp = rp, match_string (month_name[cnt], trp)) |
431 | && trp > rp_longest) | |
432 | || ((trp = rp, match_string (ab_month_name[cnt], trp)) | |
433 | && trp > rp_longest))) | |
ccadf7b5 | 434 | { |
f98c2d06 UD |
435 | rp_longest = trp; |
436 | cnt_longest = cnt; | |
437 | decided_longest = raw; | |
ccadf7b5 UD |
438 | } |
439 | } | |
f98c2d06 | 440 | if (rp_longest == NULL) |
ccadf7b5 UD |
441 | /* Does not match a month name. */ |
442 | return NULL; | |
f98c2d06 | 443 | rp = rp_longest; |
fa69dc9c | 444 | s.decided = decided_longest; |
f98c2d06 | 445 | tm->tm_mon = cnt_longest; |
fa69dc9c UD |
446 | s.have_mon = 1; |
447 | s.want_xday = 1; | |
ccadf7b5 UD |
448 | break; |
449 | case 'c': | |
450 | /* Match locale's date and time format. */ | |
451 | #ifdef _NL_CURRENT | |
fa69dc9c | 452 | if (s.decided != raw) |
ccadf7b5 UD |
453 | { |
454 | if (!recursive (_NL_CURRENT (LC_TIME, D_T_FMT))) | |
455 | { | |
fa69dc9c | 456 | if (s.decided == loc) |
ccadf7b5 UD |
457 | return NULL; |
458 | else | |
459 | rp = rp_backup; | |
460 | } | |
461 | else | |
462 | { | |
fa69dc9c | 463 | if (s.decided == not && |
ccadf7b5 | 464 | strcmp (_NL_CURRENT (LC_TIME, D_T_FMT), HERE_D_T_FMT)) |
fa69dc9c UD |
465 | s.decided = loc; |
466 | s.want_xday = 1; | |
ccadf7b5 UD |
467 | break; |
468 | } | |
fa69dc9c | 469 | s.decided = raw; |
ccadf7b5 UD |
470 | } |
471 | #endif | |
472 | if (!recursive (HERE_D_T_FMT)) | |
473 | return NULL; | |
fa69dc9c | 474 | s.want_xday = 1; |
ccadf7b5 UD |
475 | break; |
476 | case 'C': | |
477 | /* Match century number. */ | |
478 | match_century: | |
479 | get_number (0, 99, 2); | |
fa69dc9c UD |
480 | s.century = val; |
481 | s.want_xday = 1; | |
ccadf7b5 UD |
482 | break; |
483 | case 'd': | |
484 | case 'e': | |
485 | /* Match day of month. */ | |
486 | get_number (1, 31, 2); | |
487 | tm->tm_mday = val; | |
fa69dc9c UD |
488 | s.have_mday = 1; |
489 | s.want_xday = 1; | |
ccadf7b5 UD |
490 | break; |
491 | case 'F': | |
492 | if (!recursive ("%Y-%m-%d")) | |
493 | return NULL; | |
fa69dc9c | 494 | s.want_xday = 1; |
ccadf7b5 UD |
495 | break; |
496 | case 'x': | |
497 | #ifdef _NL_CURRENT | |
fa69dc9c | 498 | if (s.decided != raw) |
ccadf7b5 UD |
499 | { |
500 | if (!recursive (_NL_CURRENT (LC_TIME, D_FMT))) | |
501 | { | |
fa69dc9c | 502 | if (s.decided == loc) |
ccadf7b5 UD |
503 | return NULL; |
504 | else | |
505 | rp = rp_backup; | |
506 | } | |
507 | else | |
508 | { | |
fa69dc9c | 509 | if (s.decided == not |
ccadf7b5 | 510 | && strcmp (_NL_CURRENT (LC_TIME, D_FMT), HERE_D_FMT)) |
fa69dc9c UD |
511 | s.decided = loc; |
512 | s.want_xday = 1; | |
ccadf7b5 UD |
513 | break; |
514 | } | |
fa69dc9c | 515 | s.decided = raw; |
ccadf7b5 UD |
516 | } |
517 | #endif | |
518 | /* Fall through. */ | |
519 | case 'D': | |
520 | /* Match standard day format. */ | |
521 | if (!recursive (HERE_D_FMT)) | |
522 | return NULL; | |
fa69dc9c | 523 | s.want_xday = 1; |
ccadf7b5 UD |
524 | break; |
525 | case 'k': | |
526 | case 'H': | |
527 | /* Match hour in 24-hour clock. */ | |
528 | get_number (0, 23, 2); | |
529 | tm->tm_hour = val; | |
fa69dc9c | 530 | s.have_I = 0; |
ccadf7b5 UD |
531 | break; |
532 | case 'l': | |
533 | /* Match hour in 12-hour clock. GNU extension. */ | |
534 | case 'I': | |
535 | /* Match hour in 12-hour clock. */ | |
536 | get_number (1, 12, 2); | |
537 | tm->tm_hour = val % 12; | |
fa69dc9c | 538 | s.have_I = 1; |
ccadf7b5 UD |
539 | break; |
540 | case 'j': | |
541 | /* Match day number of year. */ | |
542 | get_number (1, 366, 3); | |
543 | tm->tm_yday = val - 1; | |
fa69dc9c | 544 | s.have_yday = 1; |
ccadf7b5 UD |
545 | break; |
546 | case 'm': | |
547 | /* Match number of month. */ | |
548 | get_number (1, 12, 2); | |
549 | tm->tm_mon = val - 1; | |
fa69dc9c UD |
550 | s.have_mon = 1; |
551 | s.want_xday = 1; | |
ccadf7b5 UD |
552 | break; |
553 | case 'M': | |
554 | /* Match minute. */ | |
555 | get_number (0, 59, 2); | |
556 | tm->tm_min = val; | |
557 | break; | |
558 | case 'n': | |
559 | case 't': | |
560 | /* Match any white space. */ | |
561 | while (ISSPACE (*rp)) | |
562 | ++rp; | |
563 | break; | |
564 | case 'p': | |
565 | /* Match locale's equivalent of AM/PM. */ | |
566 | #ifdef _NL_CURRENT | |
fa69dc9c | 567 | if (s.decided != raw) |
ccadf7b5 UD |
568 | { |
569 | if (match_string (_NL_CURRENT (LC_TIME, AM_STR), rp)) | |
570 | { | |
571 | if (strcmp (_NL_CURRENT (LC_TIME, AM_STR), HERE_AM_STR)) | |
fa69dc9c UD |
572 | s.decided = loc; |
573 | s.is_pm = 0; | |
ccadf7b5 UD |
574 | break; |
575 | } | |
576 | if (match_string (_NL_CURRENT (LC_TIME, PM_STR), rp)) | |
577 | { | |
578 | if (strcmp (_NL_CURRENT (LC_TIME, PM_STR), HERE_PM_STR)) | |
fa69dc9c UD |
579 | s.decided = loc; |
580 | s.is_pm = 1; | |
ccadf7b5 UD |
581 | break; |
582 | } | |
fa69dc9c | 583 | s.decided = raw; |
ccadf7b5 UD |
584 | } |
585 | #endif | |
586 | if (!match_string (HERE_AM_STR, rp)) | |
9fbdeb41 UD |
587 | { |
588 | if (match_string (HERE_PM_STR, rp)) | |
fa69dc9c | 589 | s.is_pm = 1; |
9fbdeb41 UD |
590 | else |
591 | return NULL; | |
9fbdeb41 | 592 | } |
fa69dc9c UD |
593 | else |
594 | s.is_pm = 0; | |
73102f50 | 595 | break; |
ccadf7b5 UD |
596 | case 'r': |
597 | #ifdef _NL_CURRENT | |
fa69dc9c | 598 | if (s.decided != raw) |
ccadf7b5 UD |
599 | { |
600 | if (!recursive (_NL_CURRENT (LC_TIME, T_FMT_AMPM))) | |
601 | { | |
fa69dc9c | 602 | if (s.decided == loc) |
ccadf7b5 UD |
603 | return NULL; |
604 | else | |
605 | rp = rp_backup; | |
606 | } | |
607 | else | |
608 | { | |
fa69dc9c | 609 | if (s.decided == not && |
ccadf7b5 UD |
610 | strcmp (_NL_CURRENT (LC_TIME, T_FMT_AMPM), |
611 | HERE_T_FMT_AMPM)) | |
fa69dc9c | 612 | s.decided = loc; |
ccadf7b5 UD |
613 | break; |
614 | } | |
fa69dc9c | 615 | s.decided = raw; |
ccadf7b5 UD |
616 | } |
617 | #endif | |
618 | if (!recursive (HERE_T_FMT_AMPM)) | |
619 | return NULL; | |
620 | break; | |
621 | case 'R': | |
622 | if (!recursive ("%H:%M")) | |
623 | return NULL; | |
624 | break; | |
625 | case 's': | |
626 | { | |
627 | /* The number of seconds may be very high so we cannot use | |
628 | the `get_number' macro. Instead read the number | |
629 | character for character and construct the result while | |
630 | doing this. */ | |
631 | time_t secs = 0; | |
632 | if (*rp < '0' || *rp > '9') | |
633 | /* We need at least one digit. */ | |
634 | return NULL; | |
635 | ||
636 | do | |
637 | { | |
638 | secs *= 10; | |
639 | secs += *rp++ - '0'; | |
640 | } | |
641 | while (*rp >= '0' && *rp <= '9'); | |
642 | ||
643 | if (localtime_r (&secs, tm) == NULL) | |
644 | /* Error in function. */ | |
645 | return NULL; | |
646 | } | |
647 | break; | |
648 | case 'S': | |
649 | get_number (0, 61, 2); | |
650 | tm->tm_sec = val; | |
651 | break; | |
652 | case 'X': | |
653 | #ifdef _NL_CURRENT | |
fa69dc9c | 654 | if (s.decided != raw) |
ccadf7b5 UD |
655 | { |
656 | if (!recursive (_NL_CURRENT (LC_TIME, T_FMT))) | |
657 | { | |
fa69dc9c | 658 | if (s.decided == loc) |
ccadf7b5 UD |
659 | return NULL; |
660 | else | |
661 | rp = rp_backup; | |
662 | } | |
663 | else | |
664 | { | |
665 | if (strcmp (_NL_CURRENT (LC_TIME, T_FMT), HERE_T_FMT)) | |
fa69dc9c | 666 | s.decided = loc; |
ccadf7b5 UD |
667 | break; |
668 | } | |
fa69dc9c | 669 | s.decided = raw; |
ccadf7b5 UD |
670 | } |
671 | #endif | |
672 | /* Fall through. */ | |
673 | case 'T': | |
674 | if (!recursive (HERE_T_FMT)) | |
675 | return NULL; | |
676 | break; | |
677 | case 'u': | |
678 | get_number (1, 7, 1); | |
679 | tm->tm_wday = val % 7; | |
fa69dc9c | 680 | s.have_wday = 1; |
ccadf7b5 UD |
681 | break; |
682 | case 'g': | |
683 | get_number (0, 99, 2); | |
684 | /* XXX This cannot determine any field in TM. */ | |
685 | break; | |
686 | case 'G': | |
687 | if (*rp < '0' || *rp > '9') | |
688 | return NULL; | |
689 | /* XXX Ignore the number since we would need some more | |
690 | information to compute a real date. */ | |
691 | do | |
692 | ++rp; | |
693 | while (*rp >= '0' && *rp <= '9'); | |
694 | break; | |
695 | case 'U': | |
696 | get_number (0, 53, 2); | |
fa69dc9c UD |
697 | s.week_no = val; |
698 | s.have_uweek = 1; | |
ccadf7b5 UD |
699 | break; |
700 | case 'W': | |
701 | get_number (0, 53, 2); | |
fa69dc9c UD |
702 | s.week_no = val; |
703 | s.have_wweek = 1; | |
ccadf7b5 UD |
704 | break; |
705 | case 'V': | |
706 | get_number (0, 53, 2); | |
707 | /* XXX This cannot determine any field in TM without some | |
708 | information. */ | |
709 | break; | |
710 | case 'w': | |
711 | /* Match number of weekday. */ | |
712 | get_number (0, 6, 1); | |
713 | tm->tm_wday = val; | |
fa69dc9c | 714 | s.have_wday = 1; |
ccadf7b5 UD |
715 | break; |
716 | case 'y': | |
717 | match_year_in_century: | |
718 | /* Match year within century. */ | |
719 | get_number (0, 99, 2); | |
720 | /* The "Year 2000: The Millennium Rollover" paper suggests that | |
721 | values in the range 69-99 refer to the twentieth century. */ | |
722 | tm->tm_year = val >= 69 ? val : val + 100; | |
723 | /* Indicate that we want to use the century, if specified. */ | |
fa69dc9c UD |
724 | s.want_century = 1; |
725 | s.want_xday = 1; | |
ccadf7b5 UD |
726 | break; |
727 | case 'Y': | |
728 | /* Match year including century number. */ | |
729 | get_number (0, 9999, 4); | |
730 | tm->tm_year = val - 1900; | |
fa69dc9c UD |
731 | s.want_century = 0; |
732 | s.want_xday = 1; | |
ccadf7b5 UD |
733 | break; |
734 | case 'Z': | |
ddc7e412 OB |
735 | /* Read timezone but perform no conversion. */ |
736 | while (ISSPACE (*rp)) | |
737 | rp++; | |
738 | while (!ISSPACE (*rp) && *rp != '\0') | |
739 | rp++; | |
ccadf7b5 | 740 | break; |
935f3e67 | 741 | case 'z': |
e952e1df VB |
742 | /* We recognize four formats: |
743 | 1. Two digits specify hours. | |
744 | 2. Four digits specify hours and minutes. | |
745 | 3. Two digits, ':', and two digits specify hours and minutes. | |
746 | 4. 'Z' is equivalent to +0000. */ | |
935f3e67 UD |
747 | { |
748 | val = 0; | |
ff491d14 | 749 | while (ISSPACE (*rp)) |
935f3e67 | 750 | ++rp; |
900f33e2 VB |
751 | if (*rp == 'Z') |
752 | { | |
753 | ++rp; | |
754 | tm->tm_gmtoff = 0; | |
755 | break; | |
756 | } | |
935f3e67 UD |
757 | if (*rp != '+' && *rp != '-') |
758 | return NULL; | |
759 | bool neg = *rp++ == '-'; | |
760 | int n = 0; | |
761 | while (n < 4 && *rp >= '0' && *rp <= '9') | |
762 | { | |
763 | val = val * 10 + *rp++ - '0'; | |
764 | ++n; | |
e952e1df VB |
765 | if (*rp == ':' && n == 2 && isdigit (*(rp + 1))) |
766 | ++rp; | |
935f3e67 UD |
767 | } |
768 | if (n == 2) | |
769 | val *= 100; | |
770 | else if (n != 4) | |
771 | /* Only two or four digits recognized. */ | |
772 | return NULL; | |
cccc95f2 JP |
773 | else if (val % 100 >= 60) |
774 | /* Minutes valid range is 0 through 59. */ | |
935f3e67 | 775 | return NULL; |
cccc95f2 | 776 | tm->tm_gmtoff = (val / 100) * 3600 + (val % 100) * 60; |
935f3e67 UD |
777 | if (neg) |
778 | tm->tm_gmtoff = -tm->tm_gmtoff; | |
779 | } | |
780 | break; | |
ccadf7b5 UD |
781 | case 'E': |
782 | #ifdef _NL_CURRENT | |
783 | switch (*fmt++) | |
784 | { | |
785 | case 'c': | |
786 | /* Match locale's alternate date and time format. */ | |
fa69dc9c | 787 | if (s.decided != raw) |
ccadf7b5 UD |
788 | { |
789 | const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT); | |
790 | ||
791 | if (*fmt == '\0') | |
792 | fmt = _NL_CURRENT (LC_TIME, D_T_FMT); | |
793 | ||
794 | if (!recursive (fmt)) | |
795 | { | |
fa69dc9c | 796 | if (s.decided == loc) |
ccadf7b5 UD |
797 | return NULL; |
798 | else | |
799 | rp = rp_backup; | |
800 | } | |
801 | else | |
802 | { | |
803 | if (strcmp (fmt, HERE_D_T_FMT)) | |
fa69dc9c UD |
804 | s.decided = loc; |
805 | s.want_xday = 1; | |
ccadf7b5 UD |
806 | break; |
807 | } | |
fa69dc9c | 808 | s.decided = raw; |
ccadf7b5 UD |
809 | } |
810 | /* The C locale has no era information, so use the | |
811 | normal representation. */ | |
812 | if (!recursive (HERE_D_T_FMT)) | |
813 | return NULL; | |
fa69dc9c | 814 | s.want_xday = 1; |
ccadf7b5 UD |
815 | break; |
816 | case 'C': | |
fa69dc9c | 817 | if (s.decided != raw) |
ccadf7b5 | 818 | { |
fa69dc9c | 819 | if (s.era_cnt >= 0) |
ccadf7b5 | 820 | { |
fa69dc9c | 821 | era = _nl_select_era_entry (s.era_cnt HELPER_LOCALE_ARG); |
ccadf7b5 UD |
822 | if (era != NULL && match_string (era->era_name, rp)) |
823 | { | |
fa69dc9c | 824 | s.decided = loc; |
ccadf7b5 UD |
825 | break; |
826 | } | |
827 | else | |
828 | return NULL; | |
829 | } | |
1750bc8d UD |
830 | |
831 | num_eras = _NL_CURRENT_WORD (LC_TIME, | |
832 | _NL_TIME_ERA_NUM_ENTRIES); | |
fa69dc9c UD |
833 | for (s.era_cnt = 0; s.era_cnt < (int) num_eras; |
834 | ++s.era_cnt, rp = rp_backup) | |
ccadf7b5 | 835 | { |
fa69dc9c | 836 | era = _nl_select_era_entry (s.era_cnt |
1750bc8d UD |
837 | HELPER_LOCALE_ARG); |
838 | if (era != NULL && match_string (era->era_name, rp)) | |
ccadf7b5 | 839 | { |
fa69dc9c | 840 | s.decided = loc; |
1750bc8d | 841 | break; |
ccadf7b5 | 842 | } |
ccadf7b5 | 843 | } |
fa69dc9c | 844 | if (s.era_cnt != (int) num_eras) |
1750bc8d UD |
845 | break; |
846 | ||
fa69dc9c UD |
847 | s.era_cnt = -1; |
848 | if (s.decided == loc) | |
1750bc8d | 849 | return NULL; |
ccadf7b5 | 850 | |
fa69dc9c | 851 | s.decided = raw; |
ccadf7b5 UD |
852 | } |
853 | /* The C locale has no era information, so use the | |
854 | normal representation. */ | |
855 | goto match_century; | |
856 | case 'y': | |
fa69dc9c | 857 | if (s.decided != raw) |
1750bc8d UD |
858 | { |
859 | get_number(0, 9999, 4); | |
860 | tm->tm_year = val; | |
fa69dc9c UD |
861 | s.want_era = 1; |
862 | s.want_xday = 1; | |
863 | s.want_century = 1; | |
ccadf7b5 | 864 | |
fa69dc9c | 865 | if (s.era_cnt >= 0) |
1750bc8d | 866 | { |
fa69dc9c | 867 | assert (s.decided == loc); |
1750bc8d | 868 | |
fa69dc9c | 869 | era = _nl_select_era_entry (s.era_cnt HELPER_LOCALE_ARG); |
1750bc8d UD |
870 | bool match = false; |
871 | if (era != NULL) | |
872 | { | |
873 | int delta = ((tm->tm_year - era->offset) | |
874 | * era->absolute_direction); | |
875 | match = (delta >= 0 | |
876 | && delta < (((int64_t) era->stop_date[0] | |
877 | - (int64_t) era->start_date[0]) | |
878 | * era->absolute_direction)); | |
879 | } | |
880 | if (! match) | |
881 | return NULL; | |
882 | ||
883 | break; | |
884 | } | |
885 | ||
886 | num_eras = _NL_CURRENT_WORD (LC_TIME, | |
887 | _NL_TIME_ERA_NUM_ENTRIES); | |
fa69dc9c | 888 | for (s.era_cnt = 0; s.era_cnt < (int) num_eras; ++s.era_cnt) |
1750bc8d | 889 | { |
fa69dc9c | 890 | era = _nl_select_era_entry (s.era_cnt |
1750bc8d UD |
891 | HELPER_LOCALE_ARG); |
892 | if (era != NULL) | |
893 | { | |
894 | int delta = ((tm->tm_year - era->offset) | |
895 | * era->absolute_direction); | |
896 | if (delta >= 0 | |
897 | && delta < (((int64_t) era->stop_date[0] | |
898 | - (int64_t) era->start_date[0]) | |
899 | * era->absolute_direction)) | |
900 | { | |
fa69dc9c | 901 | s.decided = loc; |
1750bc8d UD |
902 | break; |
903 | } | |
904 | } | |
905 | } | |
fa69dc9c | 906 | if (s.era_cnt != (int) num_eras) |
1750bc8d UD |
907 | break; |
908 | ||
fa69dc9c UD |
909 | s.era_cnt = -1; |
910 | if (s.decided == loc) | |
1750bc8d UD |
911 | return NULL; |
912 | ||
fa69dc9c | 913 | s.decided = raw; |
1750bc8d UD |
914 | } |
915 | ||
916 | goto match_year_in_century; | |
ccadf7b5 | 917 | case 'Y': |
fa69dc9c | 918 | if (s.decided != raw) |
ccadf7b5 UD |
919 | { |
920 | num_eras = _NL_CURRENT_WORD (LC_TIME, | |
921 | _NL_TIME_ERA_NUM_ENTRIES); | |
fa69dc9c UD |
922 | for (s.era_cnt = 0; s.era_cnt < (int) num_eras; |
923 | ++s.era_cnt, rp = rp_backup) | |
ccadf7b5 | 924 | { |
fa69dc9c | 925 | era = _nl_select_era_entry (s.era_cnt HELPER_LOCALE_ARG); |
ccadf7b5 UD |
926 | if (era != NULL && recursive (era->era_format)) |
927 | break; | |
928 | } | |
fa69dc9c | 929 | if (s.era_cnt == (int) num_eras) |
ccadf7b5 | 930 | { |
fa69dc9c UD |
931 | s.era_cnt = -1; |
932 | if (s.decided == loc) | |
ccadf7b5 UD |
933 | return NULL; |
934 | else | |
935 | rp = rp_backup; | |
936 | } | |
937 | else | |
938 | { | |
fa69dc9c | 939 | s.decided = loc; |
ccadf7b5 UD |
940 | break; |
941 | } | |
942 | ||
fa69dc9c | 943 | s.decided = raw; |
ccadf7b5 UD |
944 | } |
945 | get_number (0, 9999, 4); | |
946 | tm->tm_year = val - 1900; | |
fa69dc9c UD |
947 | s.want_century = 0; |
948 | s.want_xday = 1; | |
ccadf7b5 UD |
949 | break; |
950 | case 'x': | |
fa69dc9c | 951 | if (s.decided != raw) |
ccadf7b5 UD |
952 | { |
953 | const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_FMT); | |
954 | ||
955 | if (*fmt == '\0') | |
956 | fmt = _NL_CURRENT (LC_TIME, D_FMT); | |
957 | ||
958 | if (!recursive (fmt)) | |
959 | { | |
fa69dc9c | 960 | if (s.decided == loc) |
ccadf7b5 UD |
961 | return NULL; |
962 | else | |
963 | rp = rp_backup; | |
964 | } | |
965 | else | |
966 | { | |
967 | if (strcmp (fmt, HERE_D_FMT)) | |
fa69dc9c | 968 | s.decided = loc; |
ccadf7b5 UD |
969 | break; |
970 | } | |
fa69dc9c | 971 | s.decided = raw; |
ccadf7b5 UD |
972 | } |
973 | if (!recursive (HERE_D_FMT)) | |
974 | return NULL; | |
975 | break; | |
976 | case 'X': | |
fa69dc9c | 977 | if (s.decided != raw) |
ccadf7b5 UD |
978 | { |
979 | const char *fmt = _NL_CURRENT (LC_TIME, ERA_T_FMT); | |
980 | ||
981 | if (*fmt == '\0') | |
982 | fmt = _NL_CURRENT (LC_TIME, T_FMT); | |
983 | ||
984 | if (!recursive (fmt)) | |
985 | { | |
fa69dc9c | 986 | if (s.decided == loc) |
ccadf7b5 UD |
987 | return NULL; |
988 | else | |
989 | rp = rp_backup; | |
990 | } | |
991 | else | |
992 | { | |
993 | if (strcmp (fmt, HERE_T_FMT)) | |
fa69dc9c | 994 | s.decided = loc; |
ccadf7b5 UD |
995 | break; |
996 | } | |
fa69dc9c | 997 | s.decided = raw; |
ccadf7b5 UD |
998 | } |
999 | if (!recursive (HERE_T_FMT)) | |
1000 | return NULL; | |
1001 | break; | |
1002 | default: | |
1003 | return NULL; | |
1004 | } | |
1005 | break; | |
1006 | #else | |
1007 | /* We have no information about the era format. Just use | |
1008 | the normal format. */ | |
1009 | if (*fmt != 'c' && *fmt != 'C' && *fmt != 'y' && *fmt != 'Y' | |
1010 | && *fmt != 'x' && *fmt != 'X') | |
1011 | /* This is an illegal format. */ | |
1012 | return NULL; | |
1013 | ||
1014 | goto start_over; | |
1015 | #endif | |
1016 | case 'O': | |
1017 | switch (*fmt++) | |
1018 | { | |
1019 | case 'd': | |
1020 | case 'e': | |
1021 | /* Match day of month using alternate numeric symbols. */ | |
1022 | get_alt_number (1, 31, 2); | |
1023 | tm->tm_mday = val; | |
fa69dc9c UD |
1024 | s.have_mday = 1; |
1025 | s.want_xday = 1; | |
ccadf7b5 UD |
1026 | break; |
1027 | case 'H': | |
1028 | /* Match hour in 24-hour clock using alternate numeric | |
1029 | symbols. */ | |
1030 | get_alt_number (0, 23, 2); | |
1031 | tm->tm_hour = val; | |
fa69dc9c | 1032 | s.have_I = 0; |
ccadf7b5 UD |
1033 | break; |
1034 | case 'I': | |
1035 | /* Match hour in 12-hour clock using alternate numeric | |
1036 | symbols. */ | |
1037 | get_alt_number (1, 12, 2); | |
1038 | tm->tm_hour = val % 12; | |
fa69dc9c | 1039 | s.have_I = 1; |
ccadf7b5 UD |
1040 | break; |
1041 | case 'm': | |
1042 | /* Match month using alternate numeric symbols. */ | |
1043 | get_alt_number (1, 12, 2); | |
1044 | tm->tm_mon = val - 1; | |
fa69dc9c UD |
1045 | s.have_mon = 1; |
1046 | s.want_xday = 1; | |
ccadf7b5 UD |
1047 | break; |
1048 | case 'M': | |
1049 | /* Match minutes using alternate numeric symbols. */ | |
1050 | get_alt_number (0, 59, 2); | |
1051 | tm->tm_min = val; | |
1052 | break; | |
1053 | case 'S': | |
1054 | /* Match seconds using alternate numeric symbols. */ | |
1055 | get_alt_number (0, 61, 2); | |
1056 | tm->tm_sec = val; | |
1057 | break; | |
1058 | case 'U': | |
1059 | get_alt_number (0, 53, 2); | |
fa69dc9c UD |
1060 | s.week_no = val; |
1061 | s.have_uweek = 1; | |
ccadf7b5 UD |
1062 | break; |
1063 | case 'W': | |
1064 | get_alt_number (0, 53, 2); | |
fa69dc9c UD |
1065 | s.week_no = val; |
1066 | s.have_wweek = 1; | |
ccadf7b5 UD |
1067 | break; |
1068 | case 'V': | |
1069 | get_alt_number (0, 53, 2); | |
1070 | /* XXX This cannot determine any field in TM without | |
1071 | further information. */ | |
1072 | break; | |
1073 | case 'w': | |
1074 | /* Match number of weekday using alternate numeric symbols. */ | |
1075 | get_alt_number (0, 6, 1); | |
1076 | tm->tm_wday = val; | |
fa69dc9c | 1077 | s.have_wday = 1; |
ccadf7b5 UD |
1078 | break; |
1079 | case 'y': | |
1080 | /* Match year within century using alternate numeric symbols. */ | |
1081 | get_alt_number (0, 99, 2); | |
1082 | tm->tm_year = val >= 69 ? val : val + 100; | |
fa69dc9c | 1083 | s.want_xday = 1; |
ccadf7b5 UD |
1084 | break; |
1085 | default: | |
1086 | return NULL; | |
1087 | } | |
1088 | break; | |
1089 | default: | |
1090 | return NULL; | |
1091 | } | |
1092 | } | |
1093 | ||
fa69dc9c UD |
1094 | if (statep != NULL) |
1095 | { | |
1096 | /* Recursive invocation, returning success, so | |
1097 | update parent's struct tm and state. */ | |
1098 | *(struct __strptime_state *) statep = s; | |
1099 | *tmp = tmb; | |
1100 | return (char *) rp; | |
1101 | } | |
1102 | ||
1103 | if (s.have_I && s.is_pm) | |
ccadf7b5 UD |
1104 | tm->tm_hour += 12; |
1105 | ||
fa69dc9c | 1106 | if (s.century != -1) |
ccadf7b5 | 1107 | { |
fa69dc9c UD |
1108 | if (s.want_century) |
1109 | tm->tm_year = tm->tm_year % 100 + (s.century - 19) * 100; | |
ccadf7b5 UD |
1110 | else |
1111 | /* Only the century, but not the year. Strange, but so be it. */ | |
fa69dc9c | 1112 | tm->tm_year = (s.century - 19) * 100; |
ccadf7b5 UD |
1113 | } |
1114 | ||
fa69dc9c | 1115 | if (s.era_cnt != -1) |
ccadf7b5 | 1116 | { |
fa69dc9c | 1117 | era = _nl_select_era_entry (s.era_cnt HELPER_LOCALE_ARG); |
ccadf7b5 UD |
1118 | if (era == NULL) |
1119 | return NULL; | |
fa69dc9c | 1120 | if (s.want_era) |
ccadf7b5 UD |
1121 | tm->tm_year = (era->start_date[0] |
1122 | + ((tm->tm_year - era->offset) | |
1123 | * era->absolute_direction)); | |
1124 | else | |
1125 | /* Era start year assumed. */ | |
1126 | tm->tm_year = era->start_date[0]; | |
1127 | } | |
1128 | else | |
fa69dc9c | 1129 | if (s.want_era) |
ccadf7b5 UD |
1130 | { |
1131 | /* No era found but we have seen an E modifier. Rectify some | |
1132 | values. */ | |
fa69dc9c | 1133 | if (s.want_century && s.century == -1 && tm->tm_year < 69) |
ccadf7b5 UD |
1134 | tm->tm_year += 100; |
1135 | } | |
1136 | ||
fa69dc9c | 1137 | if (s.want_xday && !s.have_wday) |
ccadf7b5 | 1138 | { |
fa69dc9c | 1139 | if ( !(s.have_mon && s.have_mday) && s.have_yday) |
ccadf7b5 UD |
1140 | { |
1141 | /* We don't have tm_mon and/or tm_mday, compute them. */ | |
1142 | int t_mon = 0; | |
1143 | while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon] <= tm->tm_yday) | |
1144 | t_mon++; | |
fa69dc9c | 1145 | if (!s.have_mon) |
ccadf7b5 | 1146 | tm->tm_mon = t_mon - 1; |
fa69dc9c | 1147 | if (!s.have_mday) |
ccadf7b5 UD |
1148 | tm->tm_mday = |
1149 | (tm->tm_yday | |
1150 | - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1); | |
fa69dc9c UD |
1151 | s.have_mon = 1; |
1152 | s.have_mday = 1; | |
ccadf7b5 | 1153 | } |
00458b5b | 1154 | /* Don't crash in day_of_the_week if tm_mon is uninitialized. */ |
fa69dc9c | 1155 | if (s.have_mon || (unsigned) tm->tm_mon <= 11) |
00458b5b | 1156 | day_of_the_week (tm); |
ccadf7b5 UD |
1157 | } |
1158 | ||
fa69dc9c | 1159 | if (s.want_xday && !s.have_yday && (s.have_mon || (unsigned) tm->tm_mon <= 11)) |
ccadf7b5 UD |
1160 | day_of_the_year (tm); |
1161 | ||
fa69dc9c | 1162 | if ((s.have_uweek || s.have_wweek) && s.have_wday) |
ccadf7b5 UD |
1163 | { |
1164 | int save_wday = tm->tm_wday; | |
1165 | int save_mday = tm->tm_mday; | |
1166 | int save_mon = tm->tm_mon; | |
fa69dc9c | 1167 | int w_offset = s.have_uweek ? 0 : 1; |
ccadf7b5 UD |
1168 | |
1169 | tm->tm_mday = 1; | |
1170 | tm->tm_mon = 0; | |
1171 | day_of_the_week (tm); | |
fa69dc9c | 1172 | if (s.have_mday) |
ccadf7b5 | 1173 | tm->tm_mday = save_mday; |
fa69dc9c | 1174 | if (s.have_mon) |
ccadf7b5 UD |
1175 | tm->tm_mon = save_mon; |
1176 | ||
fa69dc9c | 1177 | if (!s.have_yday) |
ccadf7b5 | 1178 | tm->tm_yday = ((7 - (tm->tm_wday - w_offset)) % 7 |
840e2943 AS |
1179 | + (s.week_no - 1) * 7 |
1180 | + (save_wday - w_offset + 7) % 7); | |
ccadf7b5 | 1181 | |
fa69dc9c | 1182 | if (!s.have_mday || !s.have_mon) |
ccadf7b5 UD |
1183 | { |
1184 | int t_mon = 0; | |
1185 | while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon] | |
1186 | <= tm->tm_yday) | |
1187 | t_mon++; | |
fa69dc9c | 1188 | if (!s.have_mon) |
ccadf7b5 | 1189 | tm->tm_mon = t_mon - 1; |
fa69dc9c | 1190 | if (!s.have_mday) |
ccadf7b5 UD |
1191 | tm->tm_mday = |
1192 | (tm->tm_yday | |
1193 | - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1); | |
1194 | } | |
1195 | ||
1196 | tm->tm_wday = save_wday; | |
1197 | } | |
1198 | ||
1199 | return (char *) rp; | |
1200 | } | |
1201 | ||
1202 | ||
1203 | char * | |
80d9be81 | 1204 | strptime (const char *buf, const char *format, struct tm *tm LOCALE_PARAM) |
ccadf7b5 | 1205 | { |
fa69dc9c | 1206 | return __strptime_internal (buf, format, tm, NULL LOCALE_ARG); |
ccadf7b5 UD |
1207 | } |
1208 | ||
1209 | #ifdef _LIBC | |
60f20c19 | 1210 | weak_alias (__strptime_l, strptime_l) |
ccadf7b5 | 1211 | #endif |