PostgreSQL Source Code: src/timezone/strftime.c Source File (original) (raw)
49{
60};
65 {
66 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
67 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
68 }, {
69 "January", "February", "March", "April", "May", "June",
70 "July", "August", "September", "October", "November", "December"
71 }, {
72 "Sun", "Mon", "Tue", "Wed",
73 "Thu", "Fri", "Sat"
74 }, {
75 "Sunday", "Monday", "Tuesday", "Wednesday",
76 "Thursday", "Friday", "Saturday"
77 },
78
79
80 "%H:%M:%S",
81
82
83
84
85
86
87
88 "%m/%d/%y",
89
90
91
92
93
94
95
96
97 "%a %b %e %T %Y",
98
99
100 "AM",
101
102
103 "PM",
104
105
106 "%a %b %e %H:%M:%S %Z %Y"
107};
116static char *_fmt(const char *format, const struct pg_tm *t, char *pt, const char *ptlim,
129{
130 char *p;
131 int saved_errno = errno;
133
135 if (!p)
136 {
138 return 0;
139 }
141 {
143 return 0;
144 }
145 *p = '\0';
146 errno = saved_errno;
147 return p - s;
148}
153{
155 {
157 {
160 {
161 case '\0':
163 break;
164 case 'A':
169 continue;
170 case 'a':
175 continue;
176 case 'B':
181 continue;
182 case 'b':
183 case 'h':
188 continue;
189 case 'C':
190
191
192
193
194
195
198 continue;
199 case 'c':
200 {
202
208 }
209 continue;
210 case 'D':
212 continue;
213 case 'd':
215 continue;
216 case 'E':
217 case 'O':
218
219
220
221
222
223
224
226 case 'e':
228 continue;
229 case 'F':
231 continue;
232 case 'H':
234 continue;
235 case 'I':
239 continue;
240 case 'j':
242 continue;
243 case 'k':
244
245
246
247
248
249
250
251
253 continue;
254#ifdef KITCHEN_SINK
255 case 'K':
256
257
258
259
261 continue;
262#endif
263 case 'l':
264
265
266
267
268
269
270
274 continue;
275 case 'M':
277 continue;
278 case 'm':
280 continue;
281 case 'n':
283 continue;
284 case 'p':
289 continue;
290 case 'R':
292 continue;
293 case 'r':
295 continue;
296 case 'S':
298 continue;
299 case 'T':
301 continue;
302 case 't':
304 continue;
305 case 'U':
309 continue;
310 case 'u':
311
312
313
314
315
316
320 continue;
321 case 'V':
322 case 'G':
323 case 'g':
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342 {
343 int year;
344 int base;
347 int w;
348
353 for (;;)
354 {
358
362
363
364
365
366
369
370
371
372
375 if (top < -3)
379 {
380 ++base;
381 w = 1;
382 break;
383 }
385 {
388 break;
389 }
390 --base;
394 }
398 else if (*format == 'g')
399 {
402 false, true,
404 }
405 else
407 true, true,
409 }
410 continue;
411 case 'v':
412
413
414
415
416
418 continue;
419 case 'W':
425 continue;
426 case 'w':
428 continue;
429 case 'X':
431 continue;
432 case 'x':
433 {
435
441 }
442 continue;
443 case 'y':
446 false, true,
448 continue;
449 case 'Y':
451 true, true,
453 continue;
454 case 'Z':
457
458
459
460
461
462
463 continue;
464 case 'z':
465 {
467 char const *sign;
468 bool negative;
469
471 continue;
473 negative = diff < 0;
474 if (diff == 0)
475 {
477 negative = t->tm_zone[0] == '-';
478 }
479 if (negative)
480 {
483 }
484 else
491 }
492 continue;
493 case '+':
496 continue;
497 case '%':
498
499
500
501
502
503
504 default:
505 break;
506 }
507 }
509 break;
511 }
512 return pt;
513}
526{
528 ++pt;
529 return pt;
530}
542 char *pt, const char *ptlim)
543{
546
547#define DIVISOR 100
552 {
555 }
557 {
560 }
562 {
565 else
567 }
570 return pt;
571}