1 /* $OpenBSD: strftime.c,v 1.30 2016/09/21 04:38:57 guenther Exp $ */ 2 /* 3 ** Copyright (c) 1989, 1993 4 ** The Regents of the University of California. All rights reserved. 5 ** 6 ** Redistribution and use in source and binary forms, with or without 7 ** modification, are permitted provided that the following conditions 8 ** are met: 9 ** 1. Redistributions of source code must retain the above copyright 10 ** notice, this list of conditions and the following disclaimer. 11 ** 2. Redistributions in binary form must reproduce the above copyright 12 ** notice, this list of conditions and the following disclaimer in the 13 ** documentation and/or other materials provided with the distribution. 14 ** 3. Neither the name of the University nor the names of its contributors 15 ** may be used to endorse or promote products derived from this software 16 ** without specific prior written permission. 17 ** 18 ** THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 ** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 ** ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 ** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 ** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 ** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 ** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 ** SUCH DAMAGE. 29 */ 30 31 #include <fcntl.h> 32 #include <locale.h> 33 #include <stdio.h> 34 35 #include "private.h" 36 #include "tzfile.h" 37 38 struct lc_time_T { 39 const char * mon[MONSPERYEAR]; 40 const char * month[MONSPERYEAR]; 41 const char * wday[DAYSPERWEEK]; 42 const char * weekday[DAYSPERWEEK]; 43 const char * X_fmt; 44 const char * x_fmt; 45 const char * c_fmt; 46 const char * am; 47 const char * pm; 48 const char * date_fmt; 49 }; 50 51 #ifdef LOCALE_HOME 52 #include "sys/stat.h" 53 static struct lc_time_T localebuf; 54 static struct lc_time_T * _loc(void); 55 #define Locale _loc() 56 #endif /* defined LOCALE_HOME */ 57 #ifndef LOCALE_HOME 58 #define Locale (&C_time_locale) 59 #endif /* !defined LOCALE_HOME */ 60 61 static const struct lc_time_T C_time_locale = { 62 { 63 "Jan", "Feb", "Mar", "Apr", "May", "Jun", 64 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" 65 }, { 66 "January", "February", "March", "April", "May", "June", 67 "July", "August", "September", "October", "November", "December" 68 }, { 69 "Sun", "Mon", "Tue", "Wed", 70 "Thu", "Fri", "Sat" 71 }, { 72 "Sunday", "Monday", "Tuesday", "Wednesday", 73 "Thursday", "Friday", "Saturday" 74 }, 75 76 /* X_fmt */ 77 "%H:%M:%S", 78 79 /* 80 ** x_fmt 81 ** C99 requires this format. 82 ** Using just numbers (as here) makes Quakers happier; 83 ** it's also compatible with SVR4. 84 */ 85 "%m/%d/%y", 86 87 /* 88 ** c_fmt 89 ** C99 requires this format. 90 ** Previously this code used "%D %X", but we now conform to C99. 91 ** Note that 92 ** "%a %b %d %H:%M:%S %Y" 93 ** is used by Solaris 2.3. 94 */ 95 "%a %b %e %T %Y", 96 97 /* am */ 98 "AM", 99 100 /* pm */ 101 "PM", 102 103 /* date_fmt */ 104 "%a %b %e %H:%M:%S %Z %Y" 105 }; 106 107 static char * _add(const char *, char *, const char *); 108 static char * _conv(int, const char *, char *, const char *); 109 static char * _fmt(const char *, const struct tm *, char *, const char *, 110 int *); 111 static char * _yconv(int, int, int, int, char *, const char *); 112 113 extern char * tzname[]; 114 115 #define IN_NONE 0 116 #define IN_SOME 1 117 #define IN_THIS 2 118 #define IN_ALL 3 119 120 size_t 121 strftime(char *s, size_t maxsize, const char *format, const struct tm *t) 122 { 123 char * p; 124 int warn; 125 126 tzset(); 127 #ifdef LOCALE_HOME 128 localebuf.mon[0] = 0; 129 #endif /* defined LOCALE_HOME */ 130 warn = IN_NONE; 131 p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn); 132 if (p == s + maxsize) { 133 if (maxsize > 0) 134 s[maxsize - 1] = '\0'; 135 return 0; 136 } 137 *p = '\0'; 138 return p - s; 139 } 140 DEF_STRONG(strftime); 141 142 static char * 143 _fmt(const char *format, const struct tm *t, char *pt, const char *ptlim, int *warnp) 144 { 145 for ( ; *format; ++format) { 146 if (*format == '%') { 147 label: 148 switch (*++format) { 149 case '\0': 150 --format; 151 break; 152 case 'A': 153 pt = _add((t->tm_wday < 0 || 154 t->tm_wday >= DAYSPERWEEK) ? 155 "?" : Locale->weekday[t->tm_wday], 156 pt, ptlim); 157 continue; 158 case 'a': 159 pt = _add((t->tm_wday < 0 || 160 t->tm_wday >= DAYSPERWEEK) ? 161 "?" : Locale->wday[t->tm_wday], 162 pt, ptlim); 163 continue; 164 case 'B': 165 pt = _add((t->tm_mon < 0 || 166 t->tm_mon >= MONSPERYEAR) ? 167 "?" : Locale->month[t->tm_mon], 168 pt, ptlim); 169 continue; 170 case 'b': 171 case 'h': 172 pt = _add((t->tm_mon < 0 || 173 t->tm_mon >= MONSPERYEAR) ? 174 "?" : Locale->mon[t->tm_mon], 175 pt, ptlim); 176 continue; 177 case 'C': 178 /* 179 ** %C used to do a... 180 ** _fmt("%a %b %e %X %Y", t); 181 ** ...whereas now POSIX 1003.2 calls for 182 ** something completely different. 183 ** (ado, 1993-05-24) 184 */ 185 pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 0, 186 pt, ptlim); 187 continue; 188 case 'c': 189 { 190 int warn2 = IN_SOME; 191 192 pt = _fmt(Locale->c_fmt, t, pt, ptlim, &warn2); 193 if (warn2 == IN_ALL) 194 warn2 = IN_THIS; 195 if (warn2 > *warnp) 196 *warnp = warn2; 197 } 198 continue; 199 case 'D': 200 pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp); 201 continue; 202 case 'd': 203 pt = _conv(t->tm_mday, "%02d", pt, ptlim); 204 continue; 205 case 'E': 206 case 'O': 207 /* 208 ** C99 locale modifiers. 209 ** The sequences 210 ** %Ec %EC %Ex %EX %Ey %EY 211 ** %Od %oe %OH %OI %Om %OM 212 ** %OS %Ou %OU %OV %Ow %OW %Oy 213 ** are supposed to provide alternate 214 ** representations. 215 */ 216 goto label; 217 case 'e': 218 pt = _conv(t->tm_mday, "%2d", pt, ptlim); 219 continue; 220 case 'F': 221 pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp); 222 continue; 223 case 'H': 224 pt = _conv(t->tm_hour, "%02d", pt, ptlim); 225 continue; 226 case 'I': 227 pt = _conv((t->tm_hour % 12) ? 228 (t->tm_hour % 12) : 12, 229 "%02d", pt, ptlim); 230 continue; 231 case 'j': 232 pt = _conv(t->tm_yday + 1, "%03d", pt, ptlim); 233 continue; 234 case 'k': 235 /* 236 ** This used to be... 237 ** _conv(t->tm_hour % 12 ? 238 ** t->tm_hour % 12 : 12, 2, ' '); 239 ** ...and has been changed to the below to 240 ** match SunOS 4.1.1 and Arnold Robbins' 241 ** strftime version 3.0. That is, "%k" and 242 ** "%l" have been swapped. 243 ** (ado, 1993-05-24) 244 */ 245 pt = _conv(t->tm_hour, "%2d", pt, ptlim); 246 continue; 247 #ifdef KITCHEN_SINK 248 case 'K': 249 /* 250 ** After all this time, still unclaimed! 251 */ 252 pt = _add("kitchen sink", pt, ptlim); 253 continue; 254 #endif /* defined KITCHEN_SINK */ 255 case 'l': 256 /* 257 ** This used to be... 258 ** _conv(t->tm_hour, 2, ' '); 259 ** ...and has been changed to the below to 260 ** match SunOS 4.1.1 and Arnold Robbin's 261 ** strftime version 3.0. That is, "%k" and 262 ** "%l" have been swapped. 263 ** (ado, 1993-05-24) 264 */ 265 pt = _conv((t->tm_hour % 12) ? 266 (t->tm_hour % 12) : 12, 267 "%2d", pt, ptlim); 268 continue; 269 case 'M': 270 pt = _conv(t->tm_min, "%02d", pt, ptlim); 271 continue; 272 case 'm': 273 pt = _conv(t->tm_mon + 1, "%02d", pt, ptlim); 274 continue; 275 case 'n': 276 pt = _add("\n", pt, ptlim); 277 continue; 278 case 'p': 279 pt = _add((t->tm_hour >= (HOURSPERDAY / 2)) ? 280 Locale->pm : 281 Locale->am, 282 pt, ptlim); 283 continue; 284 case 'R': 285 pt = _fmt("%H:%M", t, pt, ptlim, warnp); 286 continue; 287 case 'r': 288 pt = _fmt("%I:%M:%S %p", t, pt, ptlim, warnp); 289 continue; 290 case 'S': 291 pt = _conv(t->tm_sec, "%02d", pt, ptlim); 292 continue; 293 case 's': 294 { 295 struct tm tm; 296 char buf[INT_STRLEN_MAXIMUM( 297 time_t) + 1]; 298 time_t mkt; 299 300 tm = *t; 301 mkt = mktime(&tm); 302 (void) snprintf(buf, sizeof buf, 303 "%ld", (long) mkt); 304 pt = _add(buf, pt, ptlim); 305 } 306 continue; 307 case 'T': 308 pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp); 309 continue; 310 case 't': 311 pt = _add("\t", pt, ptlim); 312 continue; 313 case 'U': 314 pt = _conv((t->tm_yday + DAYSPERWEEK - 315 t->tm_wday) / DAYSPERWEEK, 316 "%02d", pt, ptlim); 317 continue; 318 case 'u': 319 /* 320 ** From Arnold Robbins' strftime version 3.0: 321 ** "ISO 8601: Weekday as a decimal number 322 ** [1 (Monday) - 7]" 323 ** (ado, 1993-05-24) 324 */ 325 pt = _conv((t->tm_wday == 0) ? 326 DAYSPERWEEK : t->tm_wday, 327 "%d", pt, ptlim); 328 continue; 329 case 'V': /* ISO 8601 week number */ 330 case 'G': /* ISO 8601 year (four digits) */ 331 case 'g': /* ISO 8601 year (two digits) */ 332 /* 333 ** From Arnold Robbins' strftime version 3.0: "the week number of the 334 ** year (the first Monday as the first day of week 1) as a decimal number 335 ** (01-53)." 336 ** (ado, 1993-05-24) 337 ** 338 ** From "http://www.ft.uni-erlangen.de/~mskuhn/iso-time.html" by Markus Kuhn: 339 ** "Week 01 of a year is per definition the first week which has the 340 ** Thursday in this year, which is equivalent to the week which contains 341 ** the fourth day of January. In other words, the first week of a new year 342 ** is the week which has the majority of its days in the new year. Week 01 343 ** might also contain days from the previous year and the week before week 344 ** 01 of a year is the last week (52 or 53) of the previous year even if 345 ** it contains days from the new year. A week starts with Monday (day 1) 346 ** and ends with Sunday (day 7). For example, the first week of the year 347 ** 1997 lasts from 1996-12-30 to 1997-01-05..." 348 ** (ado, 1996-01-02) 349 */ 350 { 351 int year; 352 int base; 353 int yday; 354 int wday; 355 int w; 356 357 year = t->tm_year; 358 base = TM_YEAR_BASE; 359 yday = t->tm_yday; 360 wday = t->tm_wday; 361 for ( ; ; ) { 362 int len; 363 int bot; 364 int top; 365 366 len = isleap_sum(year, base) ? 367 DAYSPERLYEAR : 368 DAYSPERNYEAR; 369 /* 370 ** What yday (-3 ... 3) does 371 ** the ISO year begin on? 372 */ 373 bot = ((yday + 11 - wday) % 374 DAYSPERWEEK) - 3; 375 /* 376 ** What yday does the NEXT 377 ** ISO year begin on? 378 */ 379 top = bot - 380 (len % DAYSPERWEEK); 381 if (top < -3) 382 top += DAYSPERWEEK; 383 top += len; 384 if (yday >= top) { 385 ++base; 386 w = 1; 387 break; 388 } 389 if (yday >= bot) { 390 w = 1 + ((yday - bot) / 391 DAYSPERWEEK); 392 break; 393 } 394 --base; 395 yday += isleap_sum(year, base) ? 396 DAYSPERLYEAR : 397 DAYSPERNYEAR; 398 } 399 #ifdef XPG4_1994_04_09 400 if ((w == 52 && 401 t->tm_mon == TM_JANUARY) || 402 (w == 1 && 403 t->tm_mon == TM_DECEMBER)) 404 w = 53; 405 #endif /* defined XPG4_1994_04_09 */ 406 if (*format == 'V') 407 pt = _conv(w, "%02d", 408 pt, ptlim); 409 else if (*format == 'g') { 410 *warnp = IN_ALL; 411 pt = _yconv(year, base, 0, 1, 412 pt, ptlim); 413 } else pt = _yconv(year, base, 1, 1, 414 pt, ptlim); 415 } 416 continue; 417 case 'v': 418 /* 419 ** From Arnold Robbins' strftime version 3.0: 420 ** "date as dd-bbb-YYYY" 421 ** (ado, 1993-05-24) 422 */ 423 pt = _fmt("%e-%b-%Y", t, pt, ptlim, warnp); 424 continue; 425 case 'W': 426 pt = _conv((t->tm_yday + DAYSPERWEEK - 427 (t->tm_wday ? 428 (t->tm_wday - 1) : 429 (DAYSPERWEEK - 1))) / DAYSPERWEEK, 430 "%02d", pt, ptlim); 431 continue; 432 case 'w': 433 pt = _conv(t->tm_wday, "%d", pt, ptlim); 434 continue; 435 case 'X': 436 pt = _fmt(Locale->X_fmt, t, pt, ptlim, warnp); 437 continue; 438 case 'x': 439 { 440 int warn2 = IN_SOME; 441 442 pt = _fmt(Locale->x_fmt, t, pt, ptlim, &warn2); 443 if (warn2 == IN_ALL) 444 warn2 = IN_THIS; 445 if (warn2 > *warnp) 446 *warnp = warn2; 447 } 448 continue; 449 case 'y': 450 *warnp = IN_ALL; 451 pt = _yconv(t->tm_year, TM_YEAR_BASE, 0, 1, 452 pt, ptlim); 453 continue; 454 case 'Y': 455 pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 1, 456 pt, ptlim); 457 continue; 458 case 'Z': 459 #ifdef TM_ZONE 460 if (t->TM_ZONE != NULL) 461 pt = _add(t->TM_ZONE, pt, ptlim); 462 else 463 #endif /* defined TM_ZONE */ 464 if (t->tm_isdst >= 0) 465 pt = _add(tzname[t->tm_isdst != 0], 466 pt, ptlim); 467 /* 468 ** C99 says that %Z must be replaced by the 469 ** empty string if the time zone is not 470 ** determinable. 471 */ 472 continue; 473 case 'z': 474 { 475 int diff; 476 char const * sign; 477 478 if (t->tm_isdst < 0) 479 continue; 480 #ifdef TM_GMTOFF 481 diff = t->TM_GMTOFF; 482 #else /* !defined TM_GMTOFF */ 483 /* 484 ** C99 says that the UTC offset must 485 ** be computed by looking only at 486 ** tm_isdst. This requirement is 487 ** incorrect, since it means the code 488 ** must rely on magic (in this case 489 ** altzone and timezone), and the 490 ** magic might not have the correct 491 ** offset. Doing things correctly is 492 ** tricky and requires disobeying C99; 493 ** see GNU C strftime for details. 494 ** For now, punt and conform to the 495 ** standard, even though it's incorrect. 496 ** 497 ** C99 says that %z must be replaced by the 498 ** empty string if the time zone is not 499 ** determinable, so output nothing if the 500 ** appropriate variables are not available. 501 */ 502 if (t->tm_isdst == 0) 503 #ifdef USG_COMPAT 504 diff = -timezone; 505 #else /* !defined USG_COMPAT */ 506 continue; 507 #endif /* !defined USG_COMPAT */ 508 else 509 #ifdef ALTZONE 510 diff = -altzone; 511 #else /* !defined ALTZONE */ 512 continue; 513 #endif /* !defined ALTZONE */ 514 #endif /* !defined TM_GMTOFF */ 515 if (diff < 0) { 516 sign = "-"; 517 diff = -diff; 518 } else sign = "+"; 519 pt = _add(sign, pt, ptlim); 520 diff /= SECSPERMIN; 521 diff = (diff / MINSPERHOUR) * 100 + 522 (diff % MINSPERHOUR); 523 pt = _conv(diff, "%04d", pt, ptlim); 524 } 525 continue; 526 case '+': 527 pt = _fmt(Locale->date_fmt, t, pt, ptlim, 528 warnp); 529 continue; 530 case '%': 531 /* 532 ** X311J/88-090 (4.12.3.5): if conversion char is 533 ** undefined, behavior is undefined. Print out the 534 ** character itself as printf(3) also does. 535 */ 536 default: 537 break; 538 } 539 } 540 if (pt == ptlim) 541 break; 542 *pt++ = *format; 543 } 544 return pt; 545 } 546 547 static char * 548 _conv(int n, const char *format, char *pt, const char *ptlim) 549 { 550 char buf[INT_STRLEN_MAXIMUM(int) + 1]; 551 552 (void) snprintf(buf, sizeof buf, format, n); 553 return _add(buf, pt, ptlim); 554 } 555 556 static char * 557 _add(const char *str, char *pt, const char *ptlim) 558 { 559 while (pt < ptlim && (*pt = *str++) != '\0') 560 ++pt; 561 return pt; 562 } 563 564 /* 565 ** POSIX and the C Standard are unclear or inconsistent about 566 ** what %C and %y do if the year is negative or exceeds 9999. 567 ** Use the convention that %C concatenated with %y yields the 568 ** same output as %Y, and that %Y contains at least 4 bytes, 569 ** with more only if necessary. 570 */ 571 572 static char * 573 _yconv(int a, int b, int convert_top, int convert_yy, char *pt, const char *ptlim) 574 { 575 int lead; 576 int trail; 577 578 #define DIVISOR 100 579 trail = a % DIVISOR + b % DIVISOR; 580 lead = a / DIVISOR + b / DIVISOR + trail / DIVISOR; 581 trail %= DIVISOR; 582 if (trail < 0 && lead > 0) { 583 trail += DIVISOR; 584 --lead; 585 } else if (lead < 0 && trail > 0) { 586 trail -= DIVISOR; 587 ++lead; 588 } 589 if (convert_top) { 590 if (lead == 0 && trail < 0) 591 pt = _add("-0", pt, ptlim); 592 else pt = _conv(lead, "%02d", pt, ptlim); 593 } 594 if (convert_yy) 595 pt = _conv(((trail < 0) ? -trail : trail), "%02d", pt, ptlim); 596 return pt; 597 } 598 599 #ifdef LOCALE_HOME 600 static struct lc_time_T * 601 _loc(void) 602 { 603 static const char locale_home[] = LOCALE_HOME; 604 static const char lc_time[] = "LC_TIME"; 605 static char * locale_buf; 606 607 int fd; 608 int oldsun; /* "...ain't got nothin' to do..." */ 609 int len; 610 char * lbuf; 611 char * nlbuf; 612 char * name; 613 char * p; 614 const char ** ap; 615 const char * plim; 616 char filename[PATH_MAX]; 617 struct stat st; 618 size_t namesize; 619 size_t bufsize; 620 621 /* 622 ** Use localebuf.mon[0] to signal whether locale is already set up. 623 */ 624 if (localebuf.mon[0]) 625 return &localebuf; 626 name = setlocale(LC_TIME, (char *) NULL); 627 if (name == NULL || *name == '\0') 628 goto no_locale; 629 /* 630 ** If the locale name is the same as our cache, use the cache. 631 */ 632 lbuf = locale_buf; 633 if (lbuf != NULL && strcmp(name, lbuf) == 0) { 634 p = lbuf; 635 for (ap = (const char **) &localebuf; 636 ap < (const char **) (&localebuf + 1); 637 ++ap) 638 *ap = p += strlen(p) + 1; 639 return &localebuf; 640 } 641 /* 642 ** Slurp the locale file into the cache. 643 */ 644 namesize = strlen(name) + 1; 645 if (sizeof filename < 646 ((sizeof locale_home) + namesize + (sizeof lc_time))) 647 goto no_locale; 648 oldsun = 0; 649 len = snprintf(filename, sizeof filename, "%s/%s/%s", locale_home, 650 name, lc_time); 651 if (len < 0 || len >= sizeof filename) 652 goto no_locale; 653 fd = open(filename, O_RDONLY); 654 if (fd < 0) { 655 /* 656 ** Old Sun systems have a different naming and data convention. 657 */ 658 oldsun = 1; 659 len = snprintf(filename, sizeof filename, "%s/%s/%s", 660 locale_home, lc_time, name); 661 if (len < 0 || len >= sizeof filename) 662 goto no_locale; 663 fd = open(filename, O_RDONLY); 664 if (fd < 0) 665 goto no_locale; 666 } 667 if (fstat(fd, &st) != 0) 668 goto bad_locale; 669 if (st.st_size <= 0) 670 goto bad_locale; 671 bufsize = namesize + st.st_size; 672 locale_buf = NULL; 673 nlbuf = realloc(lbuf, bufsize); 674 if (nlbuf == NULL) { 675 free(lbuf); 676 lbuf = NULL; 677 goto bad_locale; 678 } 679 lbuf = nlbuf; 680 (void) strlcpy(lbuf, name, bufsize); 681 p = lbuf + namesize; 682 plim = p + st.st_size; 683 if (read(fd, p, st.st_size) != st.st_size) 684 goto bad_lbuf; 685 if (close(fd) != 0) 686 goto bad_lbuf; 687 /* 688 ** Parse the locale file into localebuf. 689 */ 690 if (plim[-1] != '\n') 691 goto bad_lbuf; 692 for (ap = (const char **) &localebuf; 693 ap < (const char **) (&localebuf + 1); 694 ++ap) { 695 if (p == plim) 696 goto bad_lbuf; 697 *ap = p; 698 while (*p != '\n') 699 ++p; 700 *p++ = '\0'; 701 } 702 if (oldsun) { 703 /* 704 ** SunOS 4 used an obsolescent format; see localdtconv(3). 705 ** c_fmt had the ``short format for dates and times together'' 706 ** (SunOS 4 date, "%a %b %e %T %Z %Y" in the C locale); 707 ** date_fmt had the ``long format for dates'' 708 ** (SunOS 4 strftime %C, "%A, %B %e, %Y" in the C locale). 709 ** Discard the latter in favor of the former. 710 */ 711 localebuf.date_fmt = localebuf.c_fmt; 712 } 713 /* 714 ** Record the successful parse in the cache. 715 */ 716 locale_buf = lbuf; 717 718 return &localebuf; 719 720 bad_lbuf: 721 free(lbuf); 722 bad_locale: 723 (void) close(fd); 724 no_locale: 725 localebuf = C_time_locale; 726 locale_buf = NULL; 727 return &localebuf; 728 } 729 #endif /* defined LOCALE_HOME */ 730