1 #if defined(LIBC_SCCS) && !defined(lint) && !defined(NOID) 2 static char elsieid[] = "@(#)strftime.c 7.64"; 3 static char *rcsid = "$OpenBSD: strftime.c,v 1.13 2003/06/04 21:47:58 deraadt Exp $"; 4 #endif /* LIBC_SCCS and not lint */ 5 6 #include "private.h" 7 8 /* 9 ** Based on the UCB version with the ID appearing below. 10 ** This is ANSIish only when "multibyte character == plain character". 11 ** 12 ** Copyright (c) 1989, 1993 13 ** The Regents of the University of California. All rights reserved. 14 ** 15 ** Redistribution and use in source and binary forms, with or without 16 ** modification, are permitted provided that the following conditions 17 ** are met: 18 ** 1. Redistributions of source code must retain the above copyright 19 ** notice, this list of conditions and the following disclaimer. 20 ** 2. Redistributions in binary form must reproduce the above copyright 21 ** notice, this list of conditions and the following disclaimer in the 22 ** documentation and/or other materials provided with the distribution. 23 ** 3. Neither the name of the University nor the names of its contributors 24 ** may be used to endorse or promote products derived from this software 25 ** without specific prior written permission. 26 ** 27 ** THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 ** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 ** ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 ** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 ** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 ** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 ** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 ** SUCH DAMAGE. 38 */ 39 40 #if 0 41 #ifndef LIBC_SCCS 42 #ifndef lint 43 static const char sccsid[] = "@(#)strftime.c 5.4 (Berkeley) 3/14/89"; 44 #endif /* !defined lint */ 45 #endif /* !defined LIBC_SCCS */ 46 #endif 47 48 #include "tzfile.h" 49 #include "fcntl.h" 50 #include "locale.h" 51 52 struct lc_time_T { 53 const char * mon[MONSPERYEAR]; 54 const char * month[MONSPERYEAR]; 55 const char * wday[DAYSPERWEEK]; 56 const char * weekday[DAYSPERWEEK]; 57 const char * X_fmt; 58 const char * x_fmt; 59 const char * c_fmt; 60 const char * am; 61 const char * pm; 62 const char * date_fmt; 63 }; 64 65 #ifdef LOCALE_HOME 66 #include "sys/stat.h" 67 static struct lc_time_T localebuf; 68 static struct lc_time_T * _loc P((void)); 69 #define Locale _loc() 70 #endif /* defined LOCALE_HOME */ 71 #ifndef LOCALE_HOME 72 #define Locale (&C_time_locale) 73 #endif /* !defined LOCALE_HOME */ 74 75 static const struct lc_time_T C_time_locale = { 76 { 77 "Jan", "Feb", "Mar", "Apr", "May", "Jun", 78 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" 79 }, { 80 "January", "February", "March", "April", "May", "June", 81 "July", "August", "September", "October", "November", "December" 82 }, { 83 "Sun", "Mon", "Tue", "Wed", 84 "Thu", "Fri", "Sat" 85 }, { 86 "Sunday", "Monday", "Tuesday", "Wednesday", 87 "Thursday", "Friday", "Saturday" 88 }, 89 90 /* X_fmt */ 91 "%H:%M:%S", 92 93 /* 94 ** x_fmt 95 ** C99 requires this format. 96 ** Using just numbers (as here) makes Quakers happier; 97 ** it's also compatible with SVR4. 98 */ 99 "%m/%d/%y", 100 101 /* 102 ** c_fmt 103 ** C99 requires this format. 104 ** Previously this code used "%D %X", but we now conform to C99. 105 ** Note that 106 ** "%a %b %d %H:%M:%S %Y" 107 ** is used by Solaris 2.3. 108 */ 109 "%a %b %e %T %Y", 110 111 /* am */ 112 "AM", 113 114 /* pm */ 115 "PM", 116 117 /* date_fmt */ 118 "%a %b %e %H:%M:%S %Z %Y" 119 }; 120 121 static char * _add P((const char *, char *, const char *)); 122 static char * _conv P((int, const char *, char *, const char *)); 123 static char * _fmt P((const char *, const struct tm *, char *, const char *, int *)); 124 125 size_t strftime P((char *, size_t, const char *, const struct tm *)); 126 127 extern char * tzname[]; 128 129 #ifndef YEAR_2000_NAME 130 #define YEAR_2000_NAME "CHECK_STRFTIME_FORMATS_FOR_TWO_DIGIT_YEARS" 131 #endif /* !defined YEAR_2000_NAME */ 132 133 134 #define IN_NONE 0 135 #define IN_SOME 1 136 #define IN_THIS 2 137 #define IN_ALL 3 138 139 size_t 140 strftime(s, maxsize, format, t) 141 char * const s; 142 const size_t maxsize; 143 const char * const format; 144 const struct tm * const t; 145 { 146 char * p; 147 int warn; 148 149 tzset(); 150 #ifdef LOCALE_HOME 151 localebuf.mon[0] = 0; 152 #endif /* defined LOCALE_HOME */ 153 warn = IN_NONE; 154 p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn); 155 #ifndef NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU 156 if (warn != IN_NONE && getenv(YEAR_2000_NAME) != NULL) { 157 (void) fprintf(stderr, "\n"); 158 if (format == NULL) 159 (void) fprintf(stderr, "NULL strftime format "); 160 else (void) fprintf(stderr, "strftime format \"%s\" ", 161 format); 162 (void) fprintf(stderr, "yields only two digits of years in "); 163 if (warn == IN_SOME) 164 (void) fprintf(stderr, "some locales"); 165 else if (warn == IN_THIS) 166 (void) fprintf(stderr, "the current locale"); 167 else (void) fprintf(stderr, "all locales"); 168 (void) fprintf(stderr, "\n"); 169 } 170 #endif /* !defined NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU */ 171 if (p == s + maxsize) { 172 if (maxsize > 0) 173 s[maxsize - 1] = '\0'; 174 return 0; 175 } 176 *p = '\0'; 177 return p - s; 178 } 179 180 static char * 181 _fmt(format, t, pt, ptlim, warnp) 182 const char * format; 183 const struct tm * const t; 184 char * pt; 185 const char * const ptlim; 186 int * warnp; 187 { 188 for ( ; *format; ++format) { 189 if (*format == '%') { 190 label: 191 switch (*++format) { 192 case '\0': 193 --format; 194 break; 195 case 'A': 196 pt = _add((t->tm_wday < 0 || 197 t->tm_wday >= DAYSPERWEEK) ? 198 "?" : Locale->weekday[t->tm_wday], 199 pt, ptlim); 200 continue; 201 case 'a': 202 pt = _add((t->tm_wday < 0 || 203 t->tm_wday >= DAYSPERWEEK) ? 204 "?" : Locale->wday[t->tm_wday], 205 pt, ptlim); 206 continue; 207 case 'B': 208 pt = _add((t->tm_mon < 0 || 209 t->tm_mon >= MONSPERYEAR) ? 210 "?" : Locale->month[t->tm_mon], 211 pt, ptlim); 212 continue; 213 case 'b': 214 case 'h': 215 pt = _add((t->tm_mon < 0 || 216 t->tm_mon >= MONSPERYEAR) ? 217 "?" : Locale->mon[t->tm_mon], 218 pt, ptlim); 219 continue; 220 case 'C': 221 /* 222 ** %C used to do a... 223 ** _fmt("%a %b %e %X %Y", t); 224 ** ...whereas now POSIX 1003.2 calls for 225 ** something completely different. 226 ** (ado, 1993-05-24) 227 */ 228 pt = _conv((t->tm_year + TM_YEAR_BASE) / 100, 229 "%02d", pt, ptlim); 230 continue; 231 case 'c': 232 { 233 int warn2 = IN_SOME; 234 235 pt = _fmt(Locale->c_fmt, t, pt, ptlim, warnp); 236 if (warn2 == IN_ALL) 237 warn2 = IN_THIS; 238 if (warn2 > *warnp) 239 *warnp = warn2; 240 } 241 continue; 242 case 'D': 243 pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp); 244 continue; 245 case 'd': 246 pt = _conv(t->tm_mday, "%02d", pt, ptlim); 247 continue; 248 case 'E': 249 case 'O': 250 /* 251 ** C99 locale modifiers. 252 ** The sequences 253 ** %Ec %EC %Ex %EX %Ey %EY 254 ** %Od %oe %OH %OI %Om %OM 255 ** %OS %Ou %OU %OV %Ow %OW %Oy 256 ** are supposed to provide alternate 257 ** representations. 258 */ 259 goto label; 260 case 'e': 261 pt = _conv(t->tm_mday, "%2d", pt, ptlim); 262 continue; 263 case 'F': 264 pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp); 265 continue; 266 case 'H': 267 pt = _conv(t->tm_hour, "%02d", pt, ptlim); 268 continue; 269 case 'I': 270 pt = _conv((t->tm_hour % 12) ? 271 (t->tm_hour % 12) : 12, 272 "%02d", pt, ptlim); 273 continue; 274 case 'j': 275 pt = _conv(t->tm_yday + 1, "%03d", pt, ptlim); 276 continue; 277 case 'k': 278 /* 279 ** This used to be... 280 ** _conv(t->tm_hour % 12 ? 281 ** t->tm_hour % 12 : 12, 2, ' '); 282 ** ...and has been changed to the below to 283 ** match SunOS 4.1.1 and Arnold Robbins' 284 ** strftime version 3.0. That is, "%k" and 285 ** "%l" have been swapped. 286 ** (ado, 1993-05-24) 287 */ 288 pt = _conv(t->tm_hour, "%2d", pt, ptlim); 289 continue; 290 #ifdef KITCHEN_SINK 291 case 'K': 292 /* 293 ** After all this time, still unclaimed! 294 */ 295 pt = _add("kitchen sink", pt, ptlim); 296 continue; 297 #endif /* defined KITCHEN_SINK */ 298 case 'l': 299 /* 300 ** This used to be... 301 ** _conv(t->tm_hour, 2, ' '); 302 ** ...and has been changed to the below to 303 ** match SunOS 4.1.1 and Arnold Robbin's 304 ** strftime version 3.0. That is, "%k" and 305 ** "%l" have been swapped. 306 ** (ado, 1993-05-24) 307 */ 308 pt = _conv((t->tm_hour % 12) ? 309 (t->tm_hour % 12) : 12, 310 "%2d", pt, ptlim); 311 continue; 312 case 'M': 313 pt = _conv(t->tm_min, "%02d", pt, ptlim); 314 continue; 315 case 'm': 316 pt = _conv(t->tm_mon + 1, "%02d", pt, ptlim); 317 continue; 318 case 'n': 319 pt = _add("\n", pt, ptlim); 320 continue; 321 case 'p': 322 pt = _add((t->tm_hour >= (HOURSPERDAY / 2)) ? 323 Locale->pm : 324 Locale->am, 325 pt, ptlim); 326 continue; 327 case 'R': 328 pt = _fmt("%H:%M", t, pt, ptlim, warnp); 329 continue; 330 case 'r': 331 pt = _fmt("%I:%M:%S %p", t, pt, ptlim, warnp); 332 continue; 333 case 'S': 334 pt = _conv(t->tm_sec, "%02d", pt, ptlim); 335 continue; 336 case 's': 337 { 338 struct tm tm; 339 char buf[INT_STRLEN_MAXIMUM( 340 time_t) + 1]; 341 time_t mkt; 342 343 tm = *t; 344 mkt = mktime(&tm); 345 if (TYPE_SIGNED(time_t)) 346 (void) snprintf(buf, sizeof buf, 347 "%ld", (long) mkt); 348 else (void) snprintf(buf, sizeof buf, 349 "%lu", (unsigned long) mkt); 350 pt = _add(buf, pt, ptlim); 351 } 352 continue; 353 case 'T': 354 pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp); 355 continue; 356 case 't': 357 pt = _add("\t", pt, ptlim); 358 continue; 359 case 'U': 360 pt = _conv((t->tm_yday + DAYSPERWEEK - 361 t->tm_wday) / DAYSPERWEEK, 362 "%02d", pt, ptlim); 363 continue; 364 case 'u': 365 /* 366 ** From Arnold Robbins' strftime version 3.0: 367 ** "ISO 8601: Weekday as a decimal number 368 ** [1 (Monday) - 7]" 369 ** (ado, 1993-05-24) 370 */ 371 pt = _conv((t->tm_wday == 0) ? 372 DAYSPERWEEK : t->tm_wday, 373 "%d", pt, ptlim); 374 continue; 375 case 'V': /* ISO 8601 week number */ 376 case 'G': /* ISO 8601 year (four digits) */ 377 case 'g': /* ISO 8601 year (two digits) */ 378 /* 379 ** From Arnold Robbins' strftime version 3.0: "the week number of the 380 ** year (the first Monday as the first day of week 1) as a decimal number 381 ** (01-53)." 382 ** (ado, 1993-05-24) 383 ** 384 ** From "http://www.ft.uni-erlangen.de/~mskuhn/iso-time.html" by Markus Kuhn: 385 ** "Week 01 of a year is per definition the first week which has the 386 ** Thursday in this year, which is equivalent to the week which contains 387 ** the fourth day of January. In other words, the first week of a new year 388 ** is the week which has the majority of its days in the new year. Week 01 389 ** might also contain days from the previous year and the week before week 390 ** 01 of a year is the last week (52 or 53) of the previous year even if 391 ** it contains days from the new year. A week starts with Monday (day 1) 392 ** and ends with Sunday (day 7). For example, the first week of the year 393 ** 1997 lasts from 1996-12-30 to 1997-01-05..." 394 ** (ado, 1996-01-02) 395 */ 396 { 397 int year; 398 int yday; 399 int wday; 400 int w; 401 402 year = t->tm_year + TM_YEAR_BASE; 403 yday = t->tm_yday; 404 wday = t->tm_wday; 405 for ( ; ; ) { 406 int len; 407 int bot; 408 int top; 409 410 len = isleap(year) ? 411 DAYSPERLYEAR : 412 DAYSPERNYEAR; 413 /* 414 ** What yday (-3 ... 3) does 415 ** the ISO year begin on? 416 */ 417 bot = ((yday + 11 - wday) % 418 DAYSPERWEEK) - 3; 419 /* 420 ** What yday does the NEXT 421 ** ISO year begin on? 422 */ 423 top = bot - 424 (len % DAYSPERWEEK); 425 if (top < -3) 426 top += DAYSPERWEEK; 427 top += len; 428 if (yday >= top) { 429 ++year; 430 w = 1; 431 break; 432 } 433 if (yday >= bot) { 434 w = 1 + ((yday - bot) / 435 DAYSPERWEEK); 436 break; 437 } 438 --year; 439 yday += isleap(year) ? 440 DAYSPERLYEAR : 441 DAYSPERNYEAR; 442 } 443 #ifdef XPG4_1994_04_09 444 if ((w == 52 445 && t->tm_mon == TM_JANUARY) 446 || (w == 1 447 && t->tm_mon == TM_DECEMBER)) 448 w = 53; 449 #endif /* defined XPG4_1994_04_09 */ 450 if (*format == 'V') 451 pt = _conv(w, "%02d", 452 pt, ptlim); 453 else if (*format == 'g') { 454 *warnp = IN_ALL; 455 pt = _conv(year % 100, "%02d", 456 pt, ptlim); 457 } else pt = _conv(year, "%04d", 458 pt, ptlim); 459 } 460 continue; 461 case 'v': 462 /* 463 ** From Arnold Robbins' strftime version 3.0: 464 ** "date as dd-bbb-YYYY" 465 ** (ado, 1993-05-24) 466 */ 467 pt = _fmt("%e-%b-%Y", t, pt, ptlim, warnp); 468 continue; 469 case 'W': 470 pt = _conv((t->tm_yday + DAYSPERWEEK - 471 (t->tm_wday ? 472 (t->tm_wday - 1) : 473 (DAYSPERWEEK - 1))) / DAYSPERWEEK, 474 "%02d", pt, ptlim); 475 continue; 476 case 'w': 477 pt = _conv(t->tm_wday, "%d", pt, ptlim); 478 continue; 479 case 'X': 480 pt = _fmt(Locale->X_fmt, t, pt, ptlim, warnp); 481 continue; 482 case 'x': 483 { 484 int warn2 = IN_SOME; 485 486 pt = _fmt(Locale->x_fmt, t, pt, ptlim, &warn2); 487 if (warn2 == IN_ALL) 488 warn2 = IN_THIS; 489 if (warn2 > *warnp) 490 *warnp = warn2; 491 } 492 continue; 493 case 'y': 494 *warnp = IN_ALL; 495 pt = _conv((t->tm_year + TM_YEAR_BASE) % 100, 496 "%02d", pt, ptlim); 497 continue; 498 case 'Y': 499 pt = _conv(t->tm_year + TM_YEAR_BASE, "%04d", 500 pt, ptlim); 501 continue; 502 case 'Z': 503 #ifdef TM_ZONE 504 if (t->TM_ZONE != NULL) 505 pt = _add(t->TM_ZONE, pt, ptlim); 506 else 507 #endif /* defined TM_ZONE */ 508 if (t->tm_isdst >= 0) 509 pt = _add(tzname[t->tm_isdst != 0], 510 pt, ptlim); 511 /* 512 ** C99 says that %Z must be replaced by the 513 ** empty string if the time zone is not 514 ** determinable. 515 */ 516 continue; 517 case 'z': 518 { 519 int diff; 520 char const * sign; 521 522 if (t->tm_isdst < 0) 523 continue; 524 #ifdef TM_GMTOFF 525 diff = t->TM_GMTOFF; 526 #else /* !defined TM_GMTOFF */ 527 /* 528 ** C99 says that the UTC offset must 529 ** be computed by looking only at 530 ** tm_isdst. This requirement is 531 ** incorrect, since it means the code 532 ** must rely on magic (in this case 533 ** altzone and timezone), and the 534 ** magic might not have the correct 535 ** offset. Doing things correctly is 536 ** tricky and requires disobeying C99; 537 ** see GNU C strftime for details. 538 ** For now, punt and conform to the 539 ** standard, even though it's incorrect. 540 ** 541 ** C99 says that %z must be replaced by the 542 ** empty string if the time zone is not 543 ** determinable, so output nothing if the 544 ** appropriate variables are not available. 545 */ 546 if (t->tm_isdst == 0) 547 #ifdef USG_COMPAT 548 diff = -timezone; 549 #else /* !defined USG_COMPAT */ 550 continue; 551 #endif /* !defined USG_COMPAT */ 552 else 553 #ifdef ALTZONE 554 diff = -altzone; 555 #else /* !defined ALTZONE */ 556 continue; 557 #endif /* !defined ALTZONE */ 558 #endif /* !defined TM_GMTOFF */ 559 if (diff < 0) { 560 sign = "-"; 561 diff = -diff; 562 } else sign = "+"; 563 pt = _add(sign, pt, ptlim); 564 diff /= 60; 565 pt = _conv((diff/60)*100 + diff%60, 566 "%04d", pt, ptlim); 567 } 568 continue; 569 case '+': 570 pt = _fmt(Locale->date_fmt, t, pt, ptlim, 571 warnp); 572 continue; 573 case '%': 574 /* 575 ** X311J/88-090 (4.12.3.5): if conversion char is 576 ** undefined, behavior is undefined. Print out the 577 ** character itself as printf(3) also does. 578 */ 579 default: 580 break; 581 } 582 } 583 if (pt == ptlim) 584 break; 585 *pt++ = *format; 586 } 587 return pt; 588 } 589 590 static char * 591 _conv(n, format, pt, ptlim) 592 const int n; 593 const char * const format; 594 char * const pt; 595 const char * const ptlim; 596 { 597 char buf[INT_STRLEN_MAXIMUM(int) + 1]; 598 599 (void) snprintf(buf, sizeof buf, format, n); 600 return _add(buf, pt, ptlim); 601 } 602 603 static char * 604 _add(str, pt, ptlim) 605 const char * str; 606 char * pt; 607 const char * const ptlim; 608 { 609 while (pt < ptlim && (*pt = *str++) != '\0') 610 ++pt; 611 return pt; 612 } 613 614 #ifdef LOCALE_HOME 615 static struct lc_time_T * 616 _loc P((void)) 617 { 618 static const char locale_home[] = LOCALE_HOME; 619 static const char lc_time[] = "LC_TIME"; 620 static char * locale_buf; 621 622 int fd; 623 int oldsun; /* "...ain't got nothin' to do..." */ 624 char * lbuf; 625 char * nlbuf; 626 char * name; 627 char * p; 628 const char ** ap; 629 const char * plim; 630 char filename[FILENAME_MAX]; 631 struct stat st; 632 size_t namesize; 633 size_t bufsize; 634 635 /* 636 ** Use localebuf.mon[0] to signal whether locale is already set up. 637 */ 638 if (localebuf.mon[0]) 639 return &localebuf; 640 name = setlocale(LC_TIME, (char *) NULL); 641 if (name == NULL || *name == '\0') 642 goto no_locale; 643 /* 644 ** If the locale name is the same as our cache, use the cache. 645 */ 646 lbuf = locale_buf; 647 if (lbuf != NULL && strcmp(name, lbuf) == 0) { 648 p = lbuf; 649 for (ap = (const char **) &localebuf; 650 ap < (const char **) (&localebuf + 1); 651 ++ap) 652 *ap = p += strlen(p) + 1; 653 return &localebuf; 654 } 655 /* 656 ** Slurp the locale file into the cache. 657 */ 658 namesize = strlen(name) + 1; 659 if (sizeof filename < 660 ((sizeof locale_home) + namesize + (sizeof lc_time))) 661 goto no_locale; 662 oldsun = 0; 663 (void) snprintf(filename, sizeof filename, "%s/%s/%s", locale_home, 664 name, lc_time); 665 fd = open(filename, O_RDONLY); 666 if (fd < 0) { 667 /* 668 ** Old Sun systems have a different naming and data convention. 669 */ 670 oldsun = 1; 671 (void) snprintf(filename, sizeof filename, "%s/%s/%s", 672 locale_home, lc_time, name); 673 fd = open(filename, O_RDONLY); 674 if (fd < 0) 675 goto no_locale; 676 } 677 if (fstat(fd, &st) != 0) 678 goto bad_locale; 679 if (st.st_size <= 0) 680 goto bad_locale; 681 bufsize = namesize + st.st_size; 682 locale_buf = NULL; 683 nlbuf = (lbuf == NULL) ? malloc(bufsize) : realloc(lbuf, bufsize); 684 if (nlbuf == NULL) { 685 if (lbuf) 686 free(lbuf); 687 lbuf = NULL; 688 goto bad_locale; 689 } 690 lbuf = nlbuf; 691 (void) strlcpy(lbuf, name, bufsize); 692 p = lbuf + namesize; 693 plim = p + st.st_size; 694 if (read(fd, p, (size_t) st.st_size) != st.st_size) 695 goto bad_lbuf; 696 if (close(fd) != 0) 697 goto bad_lbuf; 698 /* 699 ** Parse the locale file into localebuf. 700 */ 701 if (plim[-1] != '\n') 702 goto bad_lbuf; 703 for (ap = (const char **) &localebuf; 704 ap < (const char **) (&localebuf + 1); 705 ++ap) { 706 if (p == plim) 707 goto bad_lbuf; 708 *ap = p; 709 while (*p != '\n') 710 ++p; 711 *p++ = '\0'; 712 } 713 if (oldsun) { 714 /* 715 ** SunOS 4 used an obsolescent format; see localdtconv(3). 716 ** c_fmt had the ``short format for dates and times together'' 717 ** (SunOS 4 date, "%a %b %e %T %Z %Y" in the C locale); 718 ** date_fmt had the ``long format for dates'' 719 ** (SunOS 4 strftime %C, "%A, %B %e, %Y" in the C locale). 720 ** Discard the latter in favor of the former. 721 */ 722 localebuf.date_fmt = localebuf.c_fmt; 723 } 724 /* 725 ** Record the successful parse in the cache. 726 */ 727 locale_buf = lbuf; 728 729 return &localebuf; 730 731 bad_lbuf: 732 free(lbuf); 733 bad_locale: 734 (void) close(fd); 735 no_locale: 736 localebuf = C_time_locale; 737 locale_buf = NULL; 738 return &localebuf; 739 } 740 #endif /* defined LOCALE_HOME */ 741