dlls/msvcrt/time.c

   1 /*
   2  * msvcrt.dll date/time functions
   3  *
   4  * Copyright 1996,1998 Marcus Meissner
   5  * Copyright 1996 Jukka Iivonen
   6  * Copyright 1997,2000 Uwe Bonnes
   7  * Copyright 2000 Jon Griffiths
   8  * Copyright 2004 Hans Leidekker
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26
  27 #define _POSIX_PTHREAD_SEMANTICS /* switch to a 2 arg style asctime_r on Solaris */
  28 #include <time.h>
  29 #ifdef HAVE_SYS_TIMES_H
  30 # include <sys/times.h>
  31 #endif
  32 #include <limits.h>
  33
  34 #include "msvcrt.h"
  35 #include "winbase.h"
  36 #include "winnls.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  40
  41 static const int MonthLengths[2][12] =
  42 {
  43     { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
  44     { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
  45 };
  46
  47 static inline int IsLeapYear(int Year)
  48 {
  49     return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0);
  50 }
  51
  52 static inline void msvcrt_tm_to_unix( struct tm *dest, const struct MSVCRT_tm *src )
  53 {
  54     memset( dest, 0, sizeof(*dest) );
  55     dest->tm_sec   = src->tm_sec;
  56     dest->tm_min   = src->tm_min;
  57     dest->tm_hour  = src->tm_hour;
  58     dest->tm_mday  = src->tm_mday;
  59     dest->tm_mon   = src->tm_mon;
  60     dest->tm_year  = src->tm_year;
  61     dest->tm_wday  = src->tm_wday;
  62     dest->tm_yday  = src->tm_yday;
  63     dest->tm_isdst = src->tm_isdst;
  64 }
  65
  66 static inline void unix_tm_to_msvcrt( struct MSVCRT_tm *dest, const struct tm *src )
  67 {
  68     memset( dest, 0, sizeof(*dest) );
  69     dest->tm_sec   = src->tm_sec;
  70     dest->tm_min   = src->tm_min;
  71     dest->tm_hour  = src->tm_hour;
  72     dest->tm_mday  = src->tm_mday;
  73     dest->tm_mon   = src->tm_mon;
  74     dest->tm_year  = src->tm_year;
  75     dest->tm_wday  = src->tm_wday;
  76     dest->tm_yday  = src->tm_yday;
  77     dest->tm_isdst = src->tm_isdst;
  78 }
  79
  80 #define SECSPERDAY        86400
  81 /* 1601 to 1970 is 369 years plus 89 leap days */
  82 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
  83 #define TICKSPERSEC       10000000
  84 #define TICKSPERMSEC      10000
  85 #define TICKS_1601_TO_1970 (SECS_1601_TO_1970 * TICKSPERSEC)
  86
  87 /**********************************************************************
  88  *              _mktime64 (MSVCRT.@)
  89  */
  90 MSVCRT___time64_t CDECL MSVCRT__mktime64(struct MSVCRT_tm *mstm)
  91 {
  92     time_t secs;
  93     struct tm tm;
  94
  95     msvcrt_tm_to_unix( &tm, mstm );
  96     secs = mktime( &tm );
  97     unix_tm_to_msvcrt( mstm, &tm );
  98
  99     return secs < 0 ? -1 : secs;
 100 }
 101
 102 /**********************************************************************
 103  *              _mktime32 (MSVCRT.@)
 104  */
 105 MSVCRT___time32_t CDECL MSVCRT__mktime32(struct MSVCRT_tm *mstm)
 106 {
 107     return MSVCRT__mktime64( mstm );
 108 }
 109
 110 /**********************************************************************
 111  *              mktime (MSVCRT.@)
 112  */
 113 #ifdef _WIN64
 114 MSVCRT___time64_t CDECL MSVCRT_mktime(struct MSVCRT_tm *mstm)
 115 {
 116     return MSVCRT__mktime64( mstm );
 117 }
 118 #else
 119 MSVCRT___time32_t CDECL MSVCRT_mktime(struct MSVCRT_tm *mstm)
 120 {
 121     return MSVCRT__mktime32( mstm );
 122 }
 123 #endif
 124
 125 /*********************************************************************
 126  *      _localtime64 (MSVCRT.@)
 127  */
 128 struct MSVCRT_tm* CDECL MSVCRT__localtime64(const MSVCRT___time64_t* secs)
 129 {
 130     struct tm tm;
 131     thread_data_t *data;
 132     time_t seconds = *secs;
 133
 134     if (seconds < 0) return NULL;
 135
 136     if (!localtime_r( &seconds, &tm )) return NULL;
 137
 138     data = msvcrt_get_thread_data();
 139     unix_tm_to_msvcrt( &data->time_buffer, &tm );
 140
 141     return &data->time_buffer;
 142 }
 143
 144 /*********************************************************************
 145  *      _localtime32 (MSVCRT.@)
 146  */
 147 struct MSVCRT_tm* CDECL MSVCRT__localtime32(const MSVCRT___time32_t* secs)
 148 {
 149     MSVCRT___time64_t secs64 = *secs;
 150     return MSVCRT__localtime64( &secs64 );
 151 }
 152
 153 /*********************************************************************
 154  *      localtime (MSVCRT.@)
 155  */
 156 #ifdef _WIN64
 157 struct MSVCRT_tm* CDECL MSVCRT_localtime(const MSVCRT___time64_t* secs)
 158 {
 159     return MSVCRT__localtime64( secs );
 160 }
 161 #else
 162 struct MSVCRT_tm* CDECL MSVCRT_localtime(const MSVCRT___time32_t* secs)
 163 {
 164     return MSVCRT__localtime32( secs );
 165 }
 166 #endif
 167
 168 /*********************************************************************
 169  *      _gmtime64 (MSVCRT.@)
 170  */
 171 struct MSVCRT_tm* CDECL MSVCRT__gmtime64(const MSVCRT___time64_t* secs)
 172 {
 173   thread_data_t * const data = msvcrt_get_thread_data();
 174   int i;
 175   FILETIME ft;
 176   SYSTEMTIME st;
 177
 178   ULONGLONG time = *secs * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
 179
 180   ft.dwHighDateTime = (UINT)(time >> 32);
 181   ft.dwLowDateTime  = (UINT)time;
 182
 183   FileTimeToSystemTime(&ft, &st);
 184
 185   if (st.wYear < 1970) return NULL;
 186
 187   data->time_buffer.tm_sec  = st.wSecond;
 188   data->time_buffer.tm_min  = st.wMinute;
 189   data->time_buffer.tm_hour = st.wHour;
 190   data->time_buffer.tm_mday = st.wDay;
 191   data->time_buffer.tm_year = st.wYear - 1900;
 192   data->time_buffer.tm_mon  = st.wMonth - 1;
 193   data->time_buffer.tm_wday = st.wDayOfWeek;
 194   for (i = data->time_buffer.tm_yday = 0; i < st.wMonth - 1; i++) {
 195     data->time_buffer.tm_yday += MonthLengths[IsLeapYear(st.wYear)][i];
 196   }
 197
 198   data->time_buffer.tm_yday += st.wDay - 1;
 199   data->time_buffer.tm_isdst = 0;
 200
 201   return &data->time_buffer;
 202 }
 203
 204 /*********************************************************************
 205  *      _gmtime32 (MSVCRT.@)
 206  */
 207 struct MSVCRT_tm* CDECL MSVCRT__gmtime32(const MSVCRT___time32_t* secs)
 208 {
 209     MSVCRT___time64_t secs64 = *secs;
 210     return MSVCRT__gmtime64( &secs64 );
 211 }
 212
 213 /*********************************************************************
 214  *      gmtime (MSVCRT.@)
 215  */
 216 #ifdef _WIN64
 217 struct MSVCRT_tm* CDECL MSVCRT_gmtime(const MSVCRT___time64_t* secs)
 218 {
 219     return MSVCRT__gmtime64( secs );
 220 }
 221 #else
 222 struct MSVCRT_tm* CDECL MSVCRT_gmtime(const MSVCRT___time32_t* secs)
 223 {
 224     return MSVCRT__gmtime32( secs );
 225 }
 226 #endif
 227
 228 /**********************************************************************
 229  *              _strdate (MSVCRT.@)
 230  */
 231 char* CDECL _strdate(char* date)
 232 {
 233   static const char format[] = "MM'/'dd'/'yy";
 234
 235   GetDateFormatA(LOCALE_NEUTRAL, 0, NULL, format, date, 9);
 236
 237   return date;
 238 }
 239
 240 /**********************************************************************
 241  *              _wstrdate (MSVCRT.@)
 242  */
 243 MSVCRT_wchar_t* CDECL _wstrdate(MSVCRT_wchar_t* date)
 244 {
 245   static const WCHAR format[] = { 'M','M','\'','/','\'','d','d','\'','/','\'','y','y',0 };
 246
 247   GetDateFormatW(LOCALE_NEUTRAL, 0, NULL, format, date, 9);
 248
 249   return date;
 250 }
 251
 252 /*********************************************************************
 253  *              _strtime (MSVCRT.@)
 254  */
 255 char* CDECL _strtime(char* time)
 256 {
 257   static const char format[] = "HH':'mm':'ss";
 258
 259   GetTimeFormatA(LOCALE_NEUTRAL, 0, NULL, format, time, 9);
 260
 261   return time;
 262 }
 263
 264 /*********************************************************************
 265  *              _wstrtime (MSVCRT.@)
 266  */
 267 MSVCRT_wchar_t* CDECL _wstrtime(MSVCRT_wchar_t* time)
 268 {
 269   static const WCHAR format[] = { 'H','H','\'',':','\'','m','m','\'',':','\'','s','s',0 };
 270
 271   GetTimeFormatW(LOCALE_NEUTRAL, 0, NULL, format, time, 9);
 272
 273   return time;
 274 }
 275
 276 /*********************************************************************
 277  *              clock (MSVCRT.@)
 278  */
 279 MSVCRT_clock_t CDECL MSVCRT_clock(void)
 280 {
 281   FILETIME ftc, fte, ftk, ftu;
 282   ULONGLONG utime, ktime;
 283
 284   MSVCRT_clock_t clock;
 285
 286   GetProcessTimes(GetCurrentProcess(), &ftc, &fte, &ftk, &ftu);
 287
 288   ktime = ((ULONGLONG)ftk.dwHighDateTime << 32) | ftk.dwLowDateTime;
 289   utime = ((ULONGLONG)ftu.dwHighDateTime << 32) | ftu.dwLowDateTime;
 290
 291   clock = (utime + ktime) / (TICKSPERSEC / MSVCRT_CLOCKS_PER_SEC);
 292
 293   return clock;
 294 }
 295
 296 /*********************************************************************
 297  *              _difftime64 (MSVCRT.@)
 298  */
 299 double CDECL MSVCRT__difftime64(MSVCRT___time64_t time1, MSVCRT___time64_t time2)
 300 {
 301   return (double)(time1 - time2);
 302 }
 303
 304 /*********************************************************************
 305  *              _difftime32 (MSVCRT.@)
 306  */
 307 double CDECL MSVCRT__difftime32(MSVCRT___time32_t time1, MSVCRT___time32_t time2)
 308 {
 309   return (double)(time1 - time2);
 310 }
 311
 312 /*********************************************************************
 313  *              difftime (MSVCRT.@)
 314  */
 315 #ifdef _WIN64
 316 double CDECL MSVCRT_difftime(MSVCRT___time64_t time1, MSVCRT___time64_t time2)
 317 {
 318     return MSVCRT__difftime64( time1, time2 );
 319 }
 320 #else
 321 double CDECL MSVCRT_difftime(MSVCRT___time32_t time1, MSVCRT___time32_t time2)
 322 {
 323     return MSVCRT__difftime32( time1, time2 );
 324 }
 325 #endif
 326
 327 /*********************************************************************
 328  *              _ftime64 (MSVCRT.@)
 329  */
 330 void CDECL MSVCRT__ftime64(struct MSVCRT___timeb64 *buf)
 331 {
 332   TIME_ZONE_INFORMATION tzinfo;
 333   FILETIME ft;
 334   ULONGLONG time;
 335
 336   DWORD tzid = GetTimeZoneInformation(&tzinfo);
 337   GetSystemTimeAsFileTime(&ft);
 338
 339   time = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
 340
 341   buf->time = time / TICKSPERSEC - SECS_1601_TO_1970;
 342   buf->millitm = (time % TICKSPERSEC) / TICKSPERMSEC;
 343   buf->timezone = tzinfo.Bias +
 344       ( tzid == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
 345       ( tzid == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 ));
 346   buf->dstflag = (tzid == TIME_ZONE_ID_DAYLIGHT?1:0);
 347 }
 348
 349 /*********************************************************************
 350  *              _ftime32 (MSVCRT.@)
 351  */
 352 void CDECL MSVCRT__ftime32(struct MSVCRT___timeb32 *buf)
 353 {
 354     struct MSVCRT___timeb64 buf64;
 355
 356     MSVCRT__ftime64( &buf64 );
 357     buf->time     = buf64.time;
 358     buf->millitm  = buf64.millitm;
 359     buf->timezone = buf64.timezone;
 360     buf->dstflag  = buf64.dstflag;
 361 }
 362
 363 /*********************************************************************
 364  *              _ftime (MSVCRT.@)
 365  */
 366 #ifdef _WIN64
 367 void CDECL MSVCRT__ftime(struct MSVCRT___timeb64 *buf)
 368 {
 369     return MSVCRT__ftime64( buf );
 370 }
 371 #else
 372 void CDECL MSVCRT__ftime(struct MSVCRT___timeb32 *buf)
 373 {
 374     return MSVCRT__ftime32( buf );
 375 }
 376 #endif
 377
 378 /*********************************************************************
 379  *              _time64 (MSVCRT.@)
 380  */
 381 MSVCRT___time64_t CDECL MSVCRT__time64(MSVCRT___time64_t *buf)
 382 {
 383     MSVCRT___time64_t curtime;
 384     struct MSVCRT___timeb64 tb;
 385
 386     MSVCRT__ftime64(&tb);
 387
 388     curtime = tb.time;
 389     return buf ? *buf = curtime : curtime;
 390 }
 391
 392 /*********************************************************************
 393  *              _time32 (MSVCRT.@)
 394  */
 395 MSVCRT___time32_t CDECL MSVCRT__time32(MSVCRT___time32_t *buf)
 396 {
 397     MSVCRT___time32_t curtime;
 398     struct MSVCRT___timeb64 tb;
 399
 400     MSVCRT__ftime64(&tb);
 401
 402     curtime = tb.time;
 403     return buf ? *buf = curtime : curtime;
 404 }
 405
 406 /*********************************************************************
 407  *              time (MSVCRT.@)
 408  */
 409 #ifdef _WIN64
 410 MSVCRT___time64_t CDECL MSVCRT_time(MSVCRT___time64_t* buf)
 411 {
 412     return MSVCRT__time64( buf );
 413 }
 414 #else
 415 MSVCRT___time32_t CDECL MSVCRT_time(MSVCRT___time32_t* buf)
 416 {
 417     return MSVCRT__time32( buf );
 418 }
 419 #endif
 420
 421 /*********************************************************************
 422  *              _daylight (MSVCRT.@)
 423  */
 424 int MSVCRT___daylight = 0;
 425
 426 /*********************************************************************
 427  *              __p_daylight (MSVCRT.@)
 428  */
 429 int * CDECL MSVCRT___p__daylight(void)
 430 {
 431         return &MSVCRT___daylight;
 432 }
 433
 434 /*********************************************************************
 435  *              _dstbias (MSVCRT.@)
 436  */
 437 int MSVCRT__dstbias = 0;
 438
 439 /*********************************************************************
 440  *              __p_dstbias (MSVCRT.@)
 441  */
 442 int * CDECL __p__dstbias(void)
 443 {
 444     return &MSVCRT__dstbias;
 445 }
 446
 447 /*********************************************************************
 448  *              _timezone (MSVCRT.@)
 449  */
 450 MSVCRT_long MSVCRT___timezone = 0;
 451
 452 /*********************************************************************
 453  *              __p_timezone (MSVCRT.@)
 454  */
 455 MSVCRT_long * CDECL MSVCRT___p__timezone(void)
 456 {
 457         return &MSVCRT___timezone;
 458 }
 459
 460 /*********************************************************************
 461  *              _tzname (MSVCRT.@)
 462  * NOTES
 463  *  Some apps (notably Mozilla) insist on writing to these, so the buffer
 464  *  must be large enough.  The size is picked based on observation of
 465  *  Windows XP.
 466  */
 467 static char tzname_std[64] = "";
 468 static char tzname_dst[64] = "";
 469 char *MSVCRT__tzname[2] = { tzname_std, tzname_dst };
 470
 471 /*********************************************************************
 472  *              __p_tzname (MSVCRT.@)
 473  */
 474 char ** CDECL __p__tzname(void)
 475 {
 476         return MSVCRT__tzname;
 477 }
 478
 479 /*********************************************************************
 480  *              _tzset (MSVCRT.@)
 481  */
 482 void CDECL MSVCRT__tzset(void)
 483 {
 484     tzset();
 485 #if defined(HAVE_TIMEZONE) && defined(HAVE_DAYLIGHT)
 486     MSVCRT___daylight = daylight;
 487     MSVCRT___timezone = timezone;
 488 #else
 489     {
 490         static const time_t seconds_in_year = (365 * 24 + 6) * 3600;
 491         time_t t;
 492         struct tm *tmp;
 493         int zone_january, zone_july;
 494
 495         t = (time(NULL) / seconds_in_year) * seconds_in_year;
 496         tmp = localtime(&t);
 497         zone_january = -tmp->tm_gmtoff;
 498         t += seconds_in_year / 2;
 499         tmp = localtime(&t);
 500         zone_july = -tmp->tm_gmtoff;
 501         MSVCRT___daylight = (zone_january != zone_july);
 502         MSVCRT___timezone = max(zone_january, zone_july);
 503     }
 504 #endif
 505     lstrcpynA(tzname_std, tzname[0], sizeof(tzname_std));
 506     tzname_std[sizeof(tzname_std) - 1] = '\0';
 507     lstrcpynA(tzname_dst, tzname[1], sizeof(tzname_dst));
 508     tzname_dst[sizeof(tzname_dst) - 1] = '\0';
 509 }
 510
 511 /*********************************************************************
 512  *              strftime (MSVCRT.@)
 513  */
 514 MSVCRT_size_t CDECL MSVCRT_strftime( char *str, MSVCRT_size_t max, const char *format,
 515                                      const struct MSVCRT_tm *mstm )
 516 {
 517     struct tm tm;
 518
 519     msvcrt_tm_to_unix( &tm, mstm );
 520     return strftime( str, max, format, &tm );
 521 }
 522
 523 /*********************************************************************
 524  *              wcsftime (MSVCRT.@)
 525  */
 526 MSVCRT_size_t CDECL MSVCRT_wcsftime( MSVCRT_wchar_t *str, MSVCRT_size_t max,
 527                                      const MSVCRT_wchar_t *format, const struct MSVCRT_tm *mstm )
 528 {
 529     char *s, *fmt;
 530     MSVCRT_size_t len;
 531
 532     TRACE("%p %ld %s %p\n", str, max, debugstr_w(format), mstm );
 533
 534     len = WideCharToMultiByte( CP_UNIXCP, 0, format, -1, NULL, 0, NULL, NULL );
 535     if (!(fmt = MSVCRT_malloc( len ))) return 0;
 536     WideCharToMultiByte( CP_UNIXCP, 0, format, -1, fmt, len, NULL, NULL );
 537
 538     if ((s = MSVCRT_malloc( max*4 )))
 539     {
 540         struct tm tm;
 541         msvcrt_tm_to_unix( &tm, mstm );
 542         if (!strftime( s, max*4, fmt, &tm )) s[0] = 0;
 543         len = MultiByteToWideChar( CP_UNIXCP, 0, s, -1, str, max );
 544         if (len) len--;
 545         MSVCRT_free( s );
 546     }
 547     else len = 0;
 548
 549     MSVCRT_free( fmt );
 550     return len;
 551 }
 552
 553 /*********************************************************************
 554  *              asctime (MSVCRT.@)
 555  */
 556 char * CDECL MSVCRT_asctime(const struct MSVCRT_tm *mstm)
 557 {
 558     thread_data_t *data = msvcrt_get_thread_data();
 559     struct tm tm;
 560
 561     msvcrt_tm_to_unix( &tm, mstm );
 562
 563     if (!data->asctime_buffer)
 564         data->asctime_buffer = MSVCRT_malloc( 30 ); /* ought to be enough */
 565
 566     /* FIXME: may want to map from Unix codepage to CP_ACP */
 567 #ifdef HAVE_ASCTIME_R
 568     asctime_r( &tm, data->asctime_buffer );
 569 #else
 570     strcpy( data->asctime_buffer, asctime(&tm) );
 571 #endif
 572     return data->asctime_buffer;
 573 }
 574
 575 /*********************************************************************
 576  *              _wasctime (MSVCRT.@)
 577  */
 578 MSVCRT_wchar_t * CDECL MSVCRT__wasctime(const struct MSVCRT_tm *mstm)
 579 {
 580     thread_data_t *data = msvcrt_get_thread_data();
 581     struct tm tm;
 582     char buffer[30];
 583
 584     msvcrt_tm_to_unix( &tm, mstm );
 585
 586     if (!data->wasctime_buffer)
 587         data->wasctime_buffer = MSVCRT_malloc( 30*sizeof(MSVCRT_wchar_t) ); /* ought to be enough */
 588 #ifdef HAVE_ASCTIME_R
 589     asctime_r( &tm, buffer );
 590 #else
 591     strcpy( buffer, asctime(&tm) );
 592 #endif
 593     MultiByteToWideChar( CP_UNIXCP, 0, buffer, -1, data->wasctime_buffer, 30 );
 594     return data->wasctime_buffer;
 595 }
 596
 597 /*********************************************************************
 598  *              _ctime64 (MSVCRT.@)
 599  */
 600 char * CDECL MSVCRT__ctime64(const MSVCRT___time64_t *time)
 601 {
 602     struct MSVCRT_tm *t;
 603     t = MSVCRT__localtime64( time );
 604     if (!t) return NULL;
 605     return MSVCRT_asctime( t );
 606 }
 607
 608 /*********************************************************************
 609  *              _ctime32 (MSVCRT.@)
 610  */
 611 char * CDECL MSVCRT__ctime32(const MSVCRT___time32_t *time)
 612 {
 613     struct MSVCRT_tm *t;
 614     t = MSVCRT__localtime32( time );
 615     if (!t) return NULL;
 616     return MSVCRT_asctime( t );
 617 }
 618
 619 /*********************************************************************
 620  *              ctime (MSVCRT.@)
 621  */
 622 #ifdef _WIN64
 623 char * CDECL MSVCRT_ctime(const MSVCRT___time64_t *time)
 624 {
 625     return MSVCRT__ctime64( time );
 626 }
 627 #else
 628 char * CDECL MSVCRT_ctime(const MSVCRT___time32_t *time)
 629 {
 630     return MSVCRT__ctime32( time );
 631 }
 632 #endif
 633
 634 /*********************************************************************
 635  *              _wctime64 (MSVCRT.@)
 636  */
 637 MSVCRT_wchar_t * CDECL MSVCRT__wctime64(const MSVCRT___time64_t *time)
 638 {
 639     return MSVCRT__wasctime( MSVCRT__localtime64(time) );
 640 }
 641
 642 /*********************************************************************
 643  *              _wctime32 (MSVCRT.@)
 644  */
 645 MSVCRT_wchar_t * CDECL MSVCRT__wctime32(const MSVCRT___time32_t *time)
 646 {
 647     return MSVCRT__wasctime( MSVCRT__localtime32(time) );
 648 }
 649
 650 /*********************************************************************
 651  *              _wctime (MSVCRT.@)
 652  */
 653 #ifdef _WIN64
 654 MSVCRT_wchar_t * CDECL MSVCRT__wctime(const MSVCRT___time64_t *time)
 655 {
 656     return MSVCRT__wctime64( time );
 657 }
 658 #else
 659 MSVCRT_wchar_t * CDECL MSVCRT__wctime(const MSVCRT___time32_t *time)
 660 {
 661     return MSVCRT__wctime32( time );
 662 }
 663 #endif