time.c File Reference

#include <locale.h>
#include <stdlib.h>
#include <time.h>
#include <sys/timeb.h>
#include "msvcrt.h"
#include "mtdll.h"
#include "winbase.h"
#include "winnls.h"
#include "winternl.h"
#include "wine/debug.h"

Include dependency graph for time.c:

Go to the source code of this file.

Macros
#define	MIN_GMTIME64_TIME   0
#define	MAX_GMTIME64_TIME   _MAX__TIME64_T
#define	SECSPERDAY   86400
#define	SECS_1601_TO_1970   ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
#define	TICKSPERSEC   10000000
#define	TICKSPERMSEC   10000
#define	TICKS_1601_TO_1970   (SECS_1601_TO_1970 * TICKSPERSEC)
#define	STRFTIME_CHAR   char
#define	STRFTIME_TD(td, name)   td->str.names.name
#define	strftime_str(a, b, c, d)   strftime_nstr(a,b,c,d,SIZE_MAX)

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (msvcrt)
void	msvcrt_init_clock (void)
static BOOL	IsLeapYear (int Year)
static void	write_invalid_msvcrt_tm (struct tm *tm)
void CDECL	_tzset (void)
static void	_tzset_init (void)
static BOOL	is_dst (const SYSTEMTIME *st)
static __time64_t	mktime_helper (struct tm *mstm, BOOL local)
__time64_t CDECL	_mktime64 (struct tm *mstm)
__time32_t CDECL	_mktime32 (struct tm *mstm)
__time64_t CDECL	_mkgmtime64 (struct tm *time)
__time32_t CDECL	_mkgmtime32 (struct tm *time)
int CDECL	_localtime64_s (struct tm *res, const __time64_t *secs)
struct tm *CDECL	_localtime64 (const __time64_t *secs)
struct tm *CDECL	_localtime32 (const __time32_t *secs)
int CDECL	_localtime32_s (struct tm *time, const __time32_t *secs)
int CDECL	_gmtime64_s (struct tm *res, const __time64_t *secs)
struct tm *CDECL	_gmtime64 (const __time64_t *secs)
int CDECL	_gmtime32_s (struct tm *res, const __time32_t *secs)
struct tm *CDECL	_gmtime32 (const __time32_t *secs)
char *CDECL	_strdate (char *date)
int CDECL	_strdate_s (char *date, size_t size)
wchar_t *CDECL	_wstrdate (wchar_t *date)
int CDECL	_wstrdate_s (wchar_t *date, size_t size)
char *CDECL	_strtime (char *time)
int CDECL	_strtime_s (char *time, size_t size)
wchar_t *CDECL	_wstrtime (wchar_t *time)
int CDECL	_wstrtime_s (wchar_t *time, size_t size)
clock_t CDECL	clock (void)
double CDECL	_difftime64 (__time64_t time1, __time64_t time2)
double CDECL	_difftime32 (__time32_t time1, __time32_t time2)
void CDECL	_ftime64 (struct __timeb64 *buf)
int CDECL	_ftime64_s (struct __timeb64 *buf)
void CDECL	_ftime32 (struct __timeb32 *buf)
int CDECL	_ftime32_s (struct __timeb32 *buf)
__time64_t CDECL	_time64 (__time64_t *buf)
__time32_t CDECL	_time32 (__time32_t *buf)
int *CDECL	__p__daylight (void)
__msvcrt_long *CDECL	__p__dstbias (void)
__msvcrt_long *CDECL	__p__timezone (void)
int CDECL	_get_tzname (size_t *ret, char *buf, size_t bufsize, int index)
char **CDECL	__p__tzname (void)
static BOOL	strftime_nstr (STRFTIME_CHAR *str, size_t *pos, size_t max, const STRFTIME_CHAR *src, size_t len)
static BOOL	strftime_int (STRFTIME_CHAR *str, size_t *pos, size_t max, int src, int prec, int l, int h)
static BOOL	strftime_format (STRFTIME_CHAR *str, size_t *pos, size_t max, const struct tm *mstm, __lc_time_data *time_data, const STRFTIME_CHAR *format)
static size_t	strftime_impl (STRFTIME_CHAR *str, size_t max, const STRFTIME_CHAR *format, const struct tm *mstm, __lc_time_data *time_data, _locale_t loc)
static size_t	strftime_helper (char *str, size_t max, const char *format, const struct tm *mstm, __lc_time_data *time_data, _locale_t loc)
size_t CDECL	_Strftime (char *str, size_t max, const char *format, const struct tm *mstm, void *time_data)
size_t CDECL	strftime (char *str, size_t max, const char *format, const struct tm *mstm)
static size_t	wcsftime_helper (wchar_t *str, size_t max, const wchar_t *format, const struct tm *mstm, __lc_time_data *time_data, _locale_t loc)
size_t CDECL	_wcsftime_l (wchar_t *str, size_t max, const wchar_t *format, const struct tm *mstm, _locale_t loc)
size_t CDECL	wcsftime (wchar_t *str, size_t max, const wchar_t *format, const struct tm *mstm)
static char *	asctime_buf (char *buf, const struct tm *mstm)
char *CDECL	asctime (const struct tm *mstm)
int CDECL	asctime_s (char *time, size_t size, const struct tm *mstm)
wchar_t *CDECL	_wasctime (const struct tm *mstm)
int CDECL	_wasctime_s (wchar_t *time, size_t size, const struct tm *mstm)
char *CDECL	_ctime64 (const __time64_t *time)
errno_t CDECL	_ctime64_s (char *res, size_t len, const __time64_t *time)
char *CDECL	_ctime32 (const __time32_t *time)
errno_t CDECL	_ctime32_s (char *res, size_t len, const __time32_t *time)
wchar_t *CDECL	_wctime64 (const __time64_t *time)
wchar_t *CDECL	_wctime32 (const __time32_t *time)
int CDECL	_wctime64_s (wchar_t *buf, size_t size, const __time64_t *time)
int CDECL	_wctime32_s (wchar_t *buf, size_t size, const __time32_t *time)

Variables
static LONGLONG	init_time
static const int	MonthLengths [2][12]
static const int	MAX_SECONDS = 59
int	MSVCRT___daylight = 1
__msvcrt_long	MSVCRT___timezone = 28800
__msvcrt_long	MSVCRT__dstbias = -3600
static char	tzname_std [64] = "PST"
static char	tzname_dst [64] = "PDT"
char *	MSVCRT__tzname [2] = { tzname_std, tzname_dst }
static TIME_ZONE_INFORMATION	tzi = {0}

Macro Definition Documentation

MAX_GMTIME64_TIME

#define MAX_GMTIME64_TIME   _MAX__TIME64_T

Definition at line 71 of file time.c.

MIN_GMTIME64_TIME

#define MIN_GMTIME64_TIME   0

Definition at line 70 of file time.c.

SECS_1601_TO_1970

#define SECS_1601_TO_1970   ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)

Definition at line 235 of file time.c.

SECSPERDAY

#define SECSPERDAY   86400

Definition at line 233 of file time.c.

STRFTIME_CHAR

#define STRFTIME_CHAR   char

Definition at line 889 of file time.c.

strftime_str

#define strftime_str	(		a,
			b,
			c,
			d
	)		strftime_nstr(a,b,c,d,SIZE_MAX)

Definition at line 896 of file time.c.

STRFTIME_TD

#define STRFTIME_TD	(		td,
			name
	)		td->str.names.name

Definition at line 890 of file time.c.

TICKS_1601_TO_1970

#define TICKS_1601_TO_1970   (SECS_1601_TO_1970 * TICKSPERSEC)

Definition at line 238 of file time.c.

TICKSPERMSEC

#define TICKSPERMSEC   10000

Definition at line 237 of file time.c.

TICKSPERSEC

#define TICKSPERSEC   10000000

Definition at line 236 of file time.c.

Function Documentation

__p__daylight()

int *CDECL __p__daylight

(

void

)

Definition at line 808 of file time.c.

{
    return &MSVCRT___daylight;
}

Referenced by Test__daylight().

__p__dstbias()

__msvcrt_long *CDECL __p__dstbias

(

void

)

Definition at line 816 of file time.c.

{
    return &MSVCRT__dstbias;
}

Referenced by Test__dstbias().

__p__timezone()

__msvcrt_long *CDECL __p__timezone

(

void

)

Definition at line 836 of file time.c.

{
    return &MSVCRT___timezone;
}

Referenced by Test__timezone().

__p__tzname()

char **CDECL __p__tzname

(

void

)

Definition at line 883 of file time.c.

{
    return MSVCRT__tzname;
}

Referenced by Test__tzname().

_ctime32()

char *CDECL _ctime32

(

const __time32_t *

time

)

Definition at line 1751 of file time.c.

{
    struct tm *t;
    t = _localtime32( time );
    if (!t) return NULL;
    return asctime( t );
}

_ctime32_s()

errno_t CDECL _ctime32_s	(	char *	res,
		size_t	len,
		const __time32_t *	time
	)

Definition at line 1762 of file time.c.

{
    struct tm t;
    int ret;
 
    if (!MSVCRT_CHECK_PMT( res != NULL )) return EINVAL;
    if (!MSVCRT_CHECK_PMT( len >= 26 )) return EINVAL;
    res[0] = '\0';
    if (!MSVCRT_CHECK_PMT( time != NULL )) return EINVAL;
    if (!MSVCRT_CHECK_PMT( *time > 0 )) return EINVAL;
 
    ret = _localtime32_s( &t, time );
    if (ret)
        return ret;
    return asctime_s( res, len, &t );
}

_ctime64()

char *CDECL _ctime64

(

const __time64_t *

time

)

Definition at line 1720 of file time.c.

{
    struct tm *t;
    t = _localtime64( time );
    if (!t) return NULL;
    return asctime( t );
}

_ctime64_s()

errno_t CDECL _ctime64_s	(	char *	res,
		size_t	len,
		const __time64_t *	time
	)

Definition at line 1731 of file time.c.

{
    struct tm t;
    int ret;
 
    if (!MSVCRT_CHECK_PMT( res != NULL )) return EINVAL;
    if (!MSVCRT_CHECK_PMT( len >= 26 )) return EINVAL;
    res[0] = '\0';
    if (!MSVCRT_CHECK_PMT( time != NULL )) return EINVAL;
    if (!MSVCRT_CHECK_PMT( *time > 0 )) return EINVAL;
 
    ret = _localtime64_s( &t, time );
    if (ret)
        return ret;
    return asctime_s( res, len, &t );
}

_difftime32()

double CDECL _difftime32	(	__time32_t	time1,
		__time32_t	time2
	)

Definition at line 717 of file time.c.

{
  return (double)(time1 - time2);
}

_difftime64()

double CDECL _difftime64	(	__time64_t	time1,
		__time64_t	time2
	)

Definition at line 709 of file time.c.

{
  return (double)(time1 - time2);
}

_ftime32()

void CDECL _ftime32

(

struct __timeb32 *

buf

)

Definition at line 756 of file time.c.

{
    struct __timeb64 buf64;
 
    _ftime64( &buf64 );
    buf->time     = buf64.time;
    buf->millitm  = buf64.millitm;
    buf->timezone = buf64.timezone;
    buf->dstflag  = buf64.dstflag;
}

Referenced by _ftime32_s().

_ftime32_s()

int CDECL _ftime32_s

(

struct __timeb32 *

buf

)

Definition at line 770 of file time.c.

{
    if (!MSVCRT_CHECK_PMT( buf != NULL )) return EINVAL;
    _ftime32(buf);
    return 0;
}

_ftime64()

void CDECL _ftime64

(

struct __timeb64 *

buf

)

Definition at line 725 of file time.c.

{
  TIME_ZONE_INFORMATION tzinfo;
  FILETIME ft;
  ULONGLONG time;
 
  _tzset_init();
 
  GetSystemTimeAsFileTime(&ft);
 
  time = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
 
  buf->time = time / TICKSPERSEC - SECS_1601_TO_1970;
  buf->millitm = (time % TICKSPERSEC) / TICKSPERMSEC;
  buf->timezone = MSVCRT___timezone / 60;
  buf->dstflag = GetTimeZoneInformation( &tzinfo) == TIME_ZONE_ID_DAYLIGHT;
}

Referenced by _ftime32(), _ftime64_s(), _time32(), and _time64().

_ftime64_s()

int CDECL _ftime64_s

(

struct __timeb64 *

buf

)

Definition at line 746 of file time.c.

{
    if (!MSVCRT_CHECK_PMT( buf != NULL )) return EINVAL;
    _ftime64(buf);
    return 0;
}

_get_tzname()

int CDECL _get_tzname	(	size_t *	ret,
		char *	buf,
		size_t	bufsize,
		int	index
	)

Definition at line 844 of file time.c.

{
    char *timezone;
 
    switch(index)
    {
    case 0:
        timezone = tzname_std;
        break;
    case 1:
        timezone = tzname_dst;
        break;
    default:
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    if(!ret || (!buf && bufsize > 0) || (buf && !bufsize))
    {
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    *ret = strlen(timezone)+1;
    if(!buf && !bufsize)
        return 0;
    if(*ret > bufsize)
    {
        buf[0] = 0;
        return ERANGE;
    }
 
    strcpy(buf, timezone);
    return 0;
}

Referenced by _Strftime(), and strftime_impl().

_gmtime32()

struct tm *CDECL _gmtime32

(

const __time32_t *

secs

)

Definition at line 538 of file time.c.

{
    __time64_t secs64;
 
    if(!secs)
        return NULL;
 
    secs64 = *secs;
    return _gmtime64( &secs64 );
}

_gmtime32_s()

int CDECL _gmtime32_s	(	struct tm *	res,
		const __time32_t *	secs
	)

Definition at line 524 of file time.c.

{
    __time64_t secs64;
 
    if(secs) {
        secs64 = *secs;
        return _gmtime64_s(res, &secs64);
    }
    return _gmtime64_s(res, NULL);
}

_gmtime64()

struct tm *CDECL _gmtime64

(

const __time64_t *

secs

)

Definition at line 509 of file time.c.

{
    thread_data_t * const data = msvcrt_get_thread_data();
 
    if(!data->time_buffer)
        data->time_buffer = malloc(sizeof(struct tm));
 
    if(_gmtime64_s(data->time_buffer, secs))
        return NULL;
    return data->time_buffer;
}

Referenced by _gmtime32().

_gmtime64_s()

int CDECL _gmtime64_s	(	struct tm *	res,
		const __time64_t *	secs
	)

Definition at line 464 of file time.c.

{
    int i;
    FILETIME ft;
    SYSTEMTIME st;
    ULONGLONG time;
 
    TRACE("res %p, secs %p (%I64d).\n", res, secs, secs ? *secs : 0);
 
    if (!res || !secs || *secs < MIN_GMTIME64_TIME || *secs > MAX_GMTIME64_TIME) {
        if (res) {
            write_invalid_msvcrt_tm(res);
        }
 
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    time = *secs * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
 
    ft.dwHighDateTime = (UINT)(time >> 32);
    ft.dwLowDateTime  = (UINT)time;
 
    FileTimeToSystemTime(&ft, &st);
 
    res->tm_sec  = st.wSecond;
    res->tm_min  = st.wMinute;
    res->tm_hour = st.wHour;
    res->tm_mday = st.wDay;
    res->tm_year = st.wYear - 1900;
    res->tm_mon  = st.wMonth - 1;
    res->tm_wday = st.wDayOfWeek;
    for (i = res->tm_yday = 0; i < st.wMonth - 1; i++) {
        res->tm_yday += MonthLengths[IsLeapYear(st.wYear)][i];
    }
 
    res->tm_yday += st.wDay - 1;
    res->tm_isdst = 0;
 
    return 0;
}

Referenced by _gmtime32_s(), and _gmtime64().

_localtime32()

struct tm *CDECL _localtime32

(

const __time32_t *

secs

)

Definition at line 430 of file time.c.

{
    __time64_t secs64;
 
    if(!secs)
        return NULL;
 
    secs64 = *secs;
    return _localtime64( &secs64 );
}

Referenced by _ctime32(), and _wctime32().

_localtime32_s()

int CDECL _localtime32_s	(	struct tm *	time,
		const __time32_t *	secs
	)

Definition at line 444 of file time.c.

{
    __time64_t secs64;
 
    if (!time || !secs || *secs < 0)
    {
        if (time)
            write_invalid_msvcrt_tm(time);
 
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    secs64 = *secs;
    return _localtime64_s(time, &secs64);
}

Referenced by _ctime32_s(), and _wctime32_s().

_localtime64()

struct tm *CDECL _localtime64

(

const __time64_t *

secs

)

Definition at line 415 of file time.c.

{
    thread_data_t *data = msvcrt_get_thread_data();
 
    if(!data->time_buffer)
        data->time_buffer = malloc(sizeof(struct tm));
 
    if(_localtime64_s(data->time_buffer, secs))
        return NULL;
    return data->time_buffer;
}

Referenced by _ctime64(), _localtime32(), and _wctime64().

_localtime64_s()

int CDECL _localtime64_s	(	struct tm *	res,
		const __time64_t *	secs
	)

Definition at line 367 of file time.c.

{
    int i;
    FILETIME ft;
    SYSTEMTIME st;
    ULONGLONG time;
 
    if (!res || !secs || *secs < 0 || *secs > _MAX__TIME64_T)
    {
        if (res)
            write_invalid_msvcrt_tm(res);
 
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    _tzset_init();
    time = (*secs - MSVCRT___timezone) * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
 
    ft.dwHighDateTime = (UINT)(time >> 32);
    ft.dwLowDateTime  = (UINT)time;
    FileTimeToSystemTime(&ft, &st);
 
    res->tm_isdst = is_dst(&st) ? 1 : 0;
    if(res->tm_isdst) {
        time -= MSVCRT__dstbias * (ULONGLONG)TICKSPERSEC;
        ft.dwHighDateTime = (UINT)(time >> 32);
        ft.dwLowDateTime  = (UINT)time;
        FileTimeToSystemTime(&ft, &st);
    }
 
    res->tm_sec  = st.wSecond;
    res->tm_min  = st.wMinute;
    res->tm_hour = st.wHour;
    res->tm_mday = st.wDay;
    res->tm_year = st.wYear - 1900;
    res->tm_mon  = st.wMonth - 1;
    res->tm_wday = st.wDayOfWeek;
    for (i = res->tm_yday = 0; i < st.wMonth - 1; i++)
        res->tm_yday += MonthLengths[IsLeapYear(st.wYear)][i];
    res->tm_yday += st.wDay - 1;
 
    return 0;
}

Referenced by _ctime64_s(), _localtime32_s(), _localtime64(), and _wctime64_s().

_mkgmtime32()

__time32_t CDECL _mkgmtime32

(

struct tm *

time

)

Definition at line 358 of file time.c.

{
    __time64_t ret = _mkgmtime64(time);
    return ret == (__time32_t)ret ? ret : -1;
}

_mkgmtime64()

__time64_t CDECL _mkgmtime64

(

struct tm *

time

)

Definition at line 350 of file time.c.

{
    return mktime_helper(time, FALSE);
}

Referenced by _mkgmtime(), and _mkgmtime32().

_mktime32()

__time32_t CDECL _mktime32

(

struct tm *

mstm

)

Definition at line 339 of file time.c.

{
    __time64_t ret = _mktime64( mstm );
    return ret == (__time32_t)ret ? ret : -1;
}

_mktime64()

__time64_t CDECL _mktime64

(

struct tm *

mstm

)

Definition at line 331 of file time.c.

{
    return mktime_helper(mstm, TRUE);
}

Referenced by _mktime32().

_strdate()

char *CDECL _strdate

(

char *

date

)

Definition at line 552 of file time.c.

{
    SYSTEMTIME st;
 
    GetLocalTime(&st);
    date[0] = '0' + st.wMonth / 10;
    date[1] = '0' + st.wMonth % 10;
    date[2] = '/';
    date[3] = '0' + st.wDay / 10;
    date[4] = '0' + st.wDay % 10;
    date[5] = '/';
    date[6] = '0' + st.wYear / 10 % 10;
    date[7] = '0' + st.wYear % 10;
    date[8] = 0;
    return date;
}

_strdate_s()

int CDECL _strdate_s	(	char *	date,
		size_t	size
	)

Definition at line 572 of file time.c.

{
    if(date && size)
        date[0] = '\0';
 
    if(!date) {
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    if(size < 9) {
        *_errno() = ERANGE;
        return ERANGE;
    }
 
    _strdate(date);
    return 0;
}

_Strftime()

size_t CDECL _Strftime	(	char *	str,
		size_t	max,
		const char *	format,
		const struct tm *	mstm,
		void *	time_data
	)

Definition at line 1528 of file time.c.

{
    return strftime_helper(str, max, format, mstm, time_data, NULL);
}

_strtime()

char *CDECL _strtime

(

char *

time

)

Definition at line 625 of file time.c.

{
    SYSTEMTIME st;
 
    GetLocalTime(&st);
    time[0] = '0' + st.wHour / 10;
    time[1] = '0' + st.wHour % 10;
    time[2] = ':';
    time[3] = '0' + st.wMinute / 10;
    time[4] = '0' + st.wMinute % 10;
    time[5] = ':';
    time[6] = '0' + st.wSecond / 10;
    time[7] = '0' + st.wSecond % 10;
    time[8] = 0;
    return time;
}

_strtime_s()

int CDECL _strtime_s	(	char *	time,
		size_t	size
	)

Definition at line 645 of file time.c.

{
    if(time && size)
        time[0] = '\0';
 
    if(!time) {
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    if(size < 9) {
        *_errno() = ERANGE;
        return ERANGE;
    }
 
    _strtime(time);
    return 0;
}

_time32()

__time32_t CDECL _time32

(

__time32_t *

buf

)

Definition at line 794 of file time.c.

{
    __time32_t curtime;
    struct __timeb64 tb;
 
    _ftime64(&tb);
 
    curtime = tb.time;
    return buf ? *buf = curtime : curtime;
}

_time64()

__time64_t CDECL _time64

(

__time64_t *

buf

)

Definition at line 780 of file time.c.

{
    __time64_t curtime;
    struct __timeb64 tb;
 
    _ftime64(&tb);
 
    curtime = tb.time;
    return buf ? *buf = curtime : curtime;
}

_tzset()

void CDECL _tzset

(

void

)

Definition at line 127 of file time.c.

{
    char *tz = getenv("TZ");
    BOOL error;
 
    _lock(_TIME_LOCK);
    if(tz && tz[0]) {
        BOOL neg_zone = FALSE;
 
        memset(&tzi, 0, sizeof(tzi));
 
        /* Parse timezone information: tzn[+|-]hh[:mm[:ss]][dzn] */
        lstrcpynA(MSVCRT__tzname[0], tz, 3);
        tz += 3;
 
        if(*tz == '-') {
            neg_zone = TRUE;
            tz++;
        }else if(*tz == '+') {
            tz++;
        }
        MSVCRT___timezone = strtol(tz, &tz, 10)*3600;
        if(*tz == ':') {
            MSVCRT___timezone += strtol(tz+1, &tz, 10)*60;
            if(*tz == ':')
                MSVCRT___timezone += strtol(tz+1, &tz, 10);
        }
        if(neg_zone)
            MSVCRT___timezone = -MSVCRT___timezone;
 
        MSVCRT___daylight = *tz;
        lstrcpynA(MSVCRT__tzname[1], tz, 3);
    }else if(GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_INVALID) {
        MSVCRT___timezone = tzi.Bias*60;
        if(tzi.StandardDate.wMonth)
            MSVCRT___timezone += tzi.StandardBias*60;
 
        if(tzi.DaylightDate.wMonth) {
            MSVCRT___daylight = 1;
            MSVCRT__dstbias = (tzi.DaylightBias-tzi.StandardBias)*60;
        }else {
            MSVCRT___daylight = 0;
            MSVCRT__dstbias = 0;
        }
 
        if(!WideCharToMultiByte(CP_ACP, 0, tzi.StandardName, -1, MSVCRT__tzname[0],
                    sizeof(tzname_std), NULL, &error) || error)
            *MSVCRT__tzname[0] = 0;
        if(!WideCharToMultiByte(CP_ACP, 0, tzi.DaylightName, -1, MSVCRT__tzname[1],
                    sizeof(tzname_dst), NULL, &error) || error)
            *MSVCRT__tzname[0] = 0;
    }
    _unlock(_TIME_LOCK);
}

Referenced by _tzset_init(), strftime_impl(), and test__tzset().

_tzset_init()

static void _tzset_init ( void  )

static

Definition at line 182 of file time.c.

{
    static BOOL init = FALSE;
 
    if(!init) {
        _lock(_TIME_LOCK);
        if(!init) {
            _tzset();
            init = TRUE;
        }
        _unlock(_TIME_LOCK);
    }
}

Referenced by _ftime64(), _localtime64_s(), and mktime_helper().

_wasctime()

wchar_t *CDECL _wasctime

(

const struct tm *

mstm

)

Definition at line 1677 of file time.c.

{
    thread_data_t *data = msvcrt_get_thread_data();
    char buffer[26];
 
    if(!data->wasctime_buffer) {
        data->wasctime_buffer = malloc(26*sizeof(wchar_t));
        if(!data->wasctime_buffer) {
            *_errno() = ENOMEM;
            return NULL;
        }
    }
 
    if(!asctime_buf(buffer, mstm))
        return NULL;
 
    MultiByteToWideChar(CP_ACP, 0, buffer, -1, data->wasctime_buffer, 26);
    return data->wasctime_buffer;
}

Referenced by _wctime32(), and _wctime64().

_wasctime_s()

int CDECL _wasctime_s	(	wchar_t *	time,
		size_t	size,
		const struct tm *	mstm
	)

Definition at line 1700 of file time.c.

{
    char buffer[26];
    int ret;
 
    if (!MSVCRT_CHECK_PMT(time != NULL)) return EINVAL;
    if (size) time[0] = 0;
    if (!MSVCRT_CHECK_PMT(size >= 26)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm != NULL)) return EINVAL;
 
    ret = asctime_s(buffer, sizeof(buffer), mstm);
    if(ret)
        return ret;
    MultiByteToWideChar(CP_ACP, 0, buffer, -1, time, size);
    return 0;
}

Referenced by _wctime32_s(), and _wctime64_s().

_wcsftime_l()

size_t CDECL _wcsftime_l	(	wchar_t *	str,
		size_t	max,
		const wchar_t *	format,
		const struct tm *	mstm,
		_locale_t	loc
	)

Definition at line 1576 of file time.c.

{
    return wcsftime_helper(str, max, format, mstm, NULL, loc);
}

_wctime32()

wchar_t *CDECL _wctime32

(

const __time32_t *

time

)

Definition at line 1790 of file time.c.

{
    return _wasctime( _localtime32(time) );
}

_wctime32_s()

int CDECL _wctime32_s	(	wchar_t *	buf,
		size_t	size,
		const __time32_t *	time
	)

Definition at line 1821 of file time.c.

{
    struct tm tm;
    int ret;
 
    if(!MSVCRT_CHECK_PMT(buf != NULL)) return EINVAL;
    if(!MSVCRT_CHECK_PMT(size != 0)) return EINVAL;
    buf[0] = 0;
    if(!MSVCRT_CHECK_PMT(time != NULL)) return EINVAL;
    if(!MSVCRT_CHECK_PMT(*time >= 0)) return EINVAL;
 
    ret = _localtime32_s(&tm, time);
    if(ret != 0)
        return ret;
 
    return _wasctime_s(buf, size, &tm);
}

_wctime64()

wchar_t *CDECL _wctime64

(

const __time64_t *

time

)

Definition at line 1782 of file time.c.

{
    return _wasctime( _localtime64(time) );
}

_wctime64_s()

int CDECL _wctime64_s	(	wchar_t *	buf,
		size_t	size,
		const __time64_t *	time
	)

Definition at line 1798 of file time.c.

{
    struct tm tm;
    int ret;
 
    if(!MSVCRT_CHECK_PMT(buf != NULL)) return EINVAL;
    if(!MSVCRT_CHECK_PMT(size != 0)) return EINVAL;
    buf[0] = 0;
    if(!MSVCRT_CHECK_PMT(time != NULL)) return EINVAL;
    if(!MSVCRT_CHECK_PMT(*time >= 0)) return EINVAL;
    if(!MSVCRT_CHECK_PMT(*time <= _MAX__TIME64_T)) return EINVAL;
 
    ret = _localtime64_s(&tm, time);
    if(ret != 0)
        return ret;
 
    return _wasctime_s(buf, size, &tm);
}

_wstrdate()

wchar_t *CDECL _wstrdate

(

wchar_t *

date

)

Definition at line 594 of file time.c.

{
    GetDateFormatW(LOCALE_NEUTRAL, 0, NULL, L"MM'/'dd'/'yy", date, 9);
    return date;
}

_wstrdate_s()

int CDECL _wstrdate_s	(	wchar_t *	date,
		size_t	size
	)

Definition at line 603 of file time.c.

{
    if(date && size)
        date[0] = '\0';
 
    if(!date) {
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    if(size < 9) {
        *_errno() = ERANGE;
        return ERANGE;
    }
 
    _wstrdate(date);
    return 0;
}

_wstrtime()

wchar_t *CDECL _wstrtime

(

wchar_t *

time

)

Definition at line 667 of file time.c.

{
    GetTimeFormatW(LOCALE_NEUTRAL, 0, NULL, L"HH':'mm':'ss", time, 9);
    return time;
}

_wstrtime_s()

int CDECL _wstrtime_s	(	wchar_t *	time,
		size_t	size
	)

Definition at line 676 of file time.c.

{
    if(time && size)
        time[0] = '\0';
 
    if(!time) {
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    if(size < 9) {
        *_errno() = ERANGE;
        return ERANGE;
    }
 
    _wstrtime(time);
    return 0;
}

asctime()

char *CDECL asctime

(

const struct tm *

mstm

)

Definition at line 1636 of file time.c.

{
    thread_data_t *data = msvcrt_get_thread_data();
 
    /* asctime returns date in format that always has exactly 26 characters */
    if (!data->asctime_buffer) {
        data->asctime_buffer = malloc(26);
        if (!data->asctime_buffer) {
            *_errno() = ENOMEM;
            return NULL;
        }
    }
 
    return asctime_buf(data->asctime_buffer, mstm);
}

Referenced by _ctime32(), _ctime64(), ConvertTimeString(), create_msft_typelib(), DaytimeHandler(), kbd_c(), kbd_h(), Test_asctime(), and test_asctime().

asctime_buf()

static char * asctime_buf ( char *  buf, const struct tm *  mstm  )

static

Definition at line 1603 of file time.c.

{
    static const char wday[7][4] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
    static const char month[12][4] = {"Jan", "Feb", "Mar", "Apr", "May",
        "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
 
    if (!mstm || mstm->tm_sec<0 || mstm->tm_sec>59
            || mstm->tm_min<0 || mstm->tm_min>59
            || mstm->tm_hour<0 || mstm->tm_hour>23
            || mstm->tm_mon<0 || mstm->tm_mon>11
            || mstm->tm_wday<0 || mstm->tm_wday>6
            || mstm->tm_year<0 || mstm->tm_mday<0
            || mstm->tm_mday>MonthLengths[IsLeapYear(1900+mstm->tm_year)][mstm->tm_mon]) {
        *_errno() = EINVAL;
        return NULL;
    }
 
#if _MSVCR_VER>=140
    /* C89 (4.12.3.1) uses space-padding for day of month. */
    _snprintf(buf, 26, "%s %s %2d %02d:%02d:%02d %c%03d\n", wday[mstm->tm_wday],
            month[mstm->tm_mon], mstm->tm_mday, mstm->tm_hour, mstm->tm_min,
            mstm->tm_sec, '1'+(mstm->tm_year+900)/1000, (900+mstm->tm_year)%1000);
#else
    _snprintf(buf, 26, "%s %s %02d %02d:%02d:%02d %c%03d\n", wday[mstm->tm_wday],
            month[mstm->tm_mon], mstm->tm_mday, mstm->tm_hour, mstm->tm_min,
            mstm->tm_sec, '1'+(mstm->tm_year+900)/1000, (900+mstm->tm_year)%1000);
#endif
    return buf;
}

Referenced by _wasctime(), asctime(), and asctime_s().

asctime_s()

int CDECL asctime_s	(	char *	time,
		size_t	size,
		const struct tm *	mstm
	)

Definition at line 1655 of file time.c.

{
    if (!MSVCRT_CHECK_PMT(time != NULL)) return EINVAL;
    if (size) time[0] = 0;
    if (!MSVCRT_CHECK_PMT(size >= 26)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm != NULL)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_sec >= 0 && mstm->tm_sec < 60)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_min >= 0 && mstm->tm_min < 60)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_hour >= 0 && mstm->tm_hour < 24)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_mon >= 0 && mstm->tm_mon < 12)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_wday >= 0 && mstm->tm_wday < 7)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_year >= 0)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_mday >= 0)) return EINVAL;
    if (!MSVCRT_CHECK_PMT(mstm->tm_mday <= MonthLengths[IsLeapYear(1900+mstm->tm_year)][mstm->tm_mon])) return EINVAL;
 
    asctime_buf(time, mstm);
    return 0;
}

Referenced by _ctime32_s(), _ctime64_s(), and _wasctime_s().

clock()

clock_t CDECL clock

(

void

)

Definition at line 698 of file time.c.

{
    LARGE_INTEGER systime;
 
    NtQuerySystemTime(&systime);
    return (systime.QuadPart - init_time) / (TICKSPERSEC / CLOCKS_PER_SEC);
}

is_dst()

static BOOL is_dst ( const SYSTEMTIME *  st )

static

Definition at line 196 of file time.c.

{
    TIME_ZONE_INFORMATION tmp;
    SYSTEMTIME out;
 
    if(!MSVCRT___daylight)
        return FALSE;
 
    if(tzi.DaylightDate.wMonth) {
        tmp = tzi;
    }else if(st->wYear >= 2007) {
        memset(&tmp, 0, sizeof(tmp));
        tmp.StandardDate.wMonth = 11;
        tmp.StandardDate.wDay = 1;
        tmp.StandardDate.wHour = 2;
        tmp.DaylightDate.wMonth = 3;
        tmp.DaylightDate.wDay = 2;
        tmp.DaylightDate.wHour = 2;
    }else {
        memset(&tmp, 0, sizeof(tmp));
        tmp.StandardDate.wMonth = 10;
        tmp.StandardDate.wDay = 5;
        tmp.StandardDate.wHour = 2;
        tmp.DaylightDate.wMonth = 4;
        tmp.DaylightDate.wDay = 1;
        tmp.DaylightDate.wHour = 2;
    }
 
    tmp.Bias = 0;
    tmp.StandardBias = 0;
    tmp.DaylightBias = MSVCRT__dstbias/60;
    if(!SystemTimeToTzSpecificLocalTime(&tmp, st, &out))
        return FALSE;
 
    return memcmp(st, &out, sizeof(SYSTEMTIME));
}

Referenced by _localtime64_s(), and mktime_helper().

IsLeapYear()

static BOOL IsLeapYear ( int  Year )

inlinestatic

Definition at line 80 of file time.c.

{
    return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0);
}

mktime_helper()

static __time64_t mktime_helper ( struct tm *  mstm, BOOL  local  )

static

Definition at line 240 of file time.c.

{
    SYSTEMTIME st;
    FILETIME ft;
    __time64_t ret = 0;
    int i;
    BOOL use_dst = FALSE;
 
    ret = mstm->tm_year + mstm->tm_mon/12;
    mstm->tm_mon %= 12;
    if(mstm->tm_mon < 0) {
        mstm->tm_mon += 12;
        ret--;
    }
 
    if(ret<70 || ret>1100) {
        *_errno() = EINVAL;
        return -1;
    }
 
    memset(&st, 0, sizeof(SYSTEMTIME));
    st.wDay = 1;
    st.wMonth = mstm->tm_mon+1;
    st.wYear = ret+1900;
 
    if(!SystemTimeToFileTime(&st, &ft)) {
        *_errno() = EINVAL;
        return -1;
    }
 
    ret = ((__time64_t)ft.dwHighDateTime<<32)+ft.dwLowDateTime;
    ret += (__time64_t)mstm->tm_sec*TICKSPERSEC;
    ret += (__time64_t)mstm->tm_min*60*TICKSPERSEC;
    ret += (__time64_t)mstm->tm_hour*60*60*TICKSPERSEC;
    ret += (__time64_t)(mstm->tm_mday-1)*SECSPERDAY*TICKSPERSEC;
 
    ft.dwLowDateTime = ret & 0xffffffff;
    ft.dwHighDateTime = ret >> 32;
    FileTimeToSystemTime(&ft, &st);
 
    if(local) {
        _tzset_init();
        use_dst = is_dst(&st);
        if((mstm->tm_isdst<=-1 && use_dst) || (mstm->tm_isdst>=1)) {
            SYSTEMTIME tmp;
 
            ret += (__time64_t)MSVCRT__dstbias*TICKSPERSEC;
 
            ft.dwLowDateTime = ret & 0xffffffff;
            ft.dwHighDateTime = ret >> 32;
            FileTimeToSystemTime(&ft, &tmp);
 
            if(!is_dst(&tmp)) {
                st = tmp;
                use_dst = FALSE;
            }else {
                use_dst = TRUE;
            }
        }else if(mstm->tm_isdst==0 && use_dst) {
            ret -= (__time64_t)MSVCRT__dstbias*TICKSPERSEC;
            ft.dwLowDateTime = ret & 0xffffffff;
            ft.dwHighDateTime = ret >> 32;
            FileTimeToSystemTime(&ft, &st);
            ret += (__time64_t)MSVCRT__dstbias*TICKSPERSEC;
        }
        ret += (__time64_t)MSVCRT___timezone*TICKSPERSEC;
    }
 
    mstm->tm_sec = st.wSecond;
    mstm->tm_min = st.wMinute;
    mstm->tm_hour = st.wHour;
    mstm->tm_mday = st.wDay;
    mstm->tm_mon = st.wMonth-1;
    mstm->tm_year = st.wYear-1900;
    mstm->tm_wday = st.wDayOfWeek;
    for(i=mstm->tm_yday=0; i<st.wMonth-1; i++)
        mstm->tm_yday += MonthLengths[IsLeapYear(st.wYear)][i];
    mstm->tm_yday += st.wDay-1;
    mstm->tm_isdst = use_dst ? 1 : 0;
 
    if(ret < TICKS_1601_TO_1970) {
        *_errno() = EINVAL;
        return -1;
    }
    ret = (ret-TICKS_1601_TO_1970)/TICKSPERSEC;
    return ret;
}

Referenced by _mkgmtime64(), and _mktime64().

msvcrt_init_clock()

void msvcrt_init_clock

(

void

)

Definition at line 49 of file time.c.

{
    LARGE_INTEGER systime;
 
    NtQuerySystemTime(&systime);
    init_time = systime.QuadPart;
}

Referenced by DllMain().

strftime()

size_t CDECL strftime	(	char *	str,
		size_t	max,
		const char *	format,
		const struct tm *	mstm
	)

Definition at line 1537 of file time.c.

{
    return strftime_helper(str, max, format, mstm, NULL, NULL);
}

strftime_format()

static BOOL strftime_format ( STRFTIME_CHAR *  str, size_t *  pos, size_t  max, const struct tm *  mstm, __lc_time_data *  time_data, const STRFTIME_CHAR *  format  )

inlinestatic

Definition at line 941 of file time.c.

{
    size_t count;
    BOOL ret = TRUE;
 
    while(*format && ret)
    {
        count = 1;
        while(format[0] == format[count]) count++;
 
        switch(*format) {
        case '\'':
            if(count % 2 == 0) break;
 
            format += count;
            count = 0;
            while(format[count] && format[count] != '\'') count++;
 
            ret = strftime_nstr(str, pos, max, format, count);
            if(!ret) return FALSE;
            if(format[count] == '\'') count++;
            break;
        case 'd':
            if(count > 2)
            {
                if(!MSVCRT_CHECK_PMT(mstm->tm_wday>=0 && mstm->tm_wday<=6))
                {
                    *str = 0;
                    return FALSE;
                }
            }
            switch(count) {
            case 1:
            case 2:
                ret = strftime_int(str, pos, max, mstm->tm_mday, count==1 ? 0 : 2, 1, 31);
                break;
            case 3:
                ret = strftime_str(str, pos, max, STRFTIME_TD(time_data, short_wday)[mstm->tm_wday]);
                break;
            default:
                ret = strftime_nstr(str, pos, max, format, count-4);
                if(ret)
                    ret = strftime_str(str, pos, max, STRFTIME_TD(time_data, wday)[mstm->tm_wday]);
                break;
            }
            break;
        case 'M':
            if(count > 2)
            {
                if(!MSVCRT_CHECK_PMT(mstm->tm_mon>=0 && mstm->tm_mon<=11))
                {
                    *str = 0;
                    return FALSE;
                }
            }
            switch(count) {
            case 1:
            case 2:
                ret = strftime_int(str, pos, max, mstm->tm_mon+1, count==1 ? 0 : 2, 1, 12);
                break;
            case 3:
                ret = strftime_str(str, pos, max, STRFTIME_TD(time_data, short_mon)[mstm->tm_mon]);
                break;
            default:
                ret = strftime_nstr(str, pos, max, format, count-4);
                if(ret)
                    ret = strftime_str(str, pos, max, STRFTIME_TD(time_data, mon)[mstm->tm_mon]);
                break;
            }
            break;
        case 'y':
            if(count > 1)
            {
#if _MSVCR_VER>=140
                if(!MSVCRT_CHECK_PMT(mstm->tm_year >= -1900 && mstm->tm_year <= 8099))
#else
                if(!MSVCRT_CHECK_PMT(mstm->tm_year >= 0))
#endif
                {
                    *str = 0;
                    return FALSE;
                }
            }
 
            switch(count) {
            case 1:
                ret = strftime_nstr(str, pos, max, format, 1);
                break;
            case 2:
            case 3:
                ret = strftime_nstr(str, pos, max, format, count-2);
                if(ret)
                    ret = strftime_int(str, pos, max, (mstm->tm_year+1900)%100, 2, 0, 99);
                break;
            default:
                ret = strftime_nstr(str, pos, max, format, count-4);
                if(ret)
                    ret = strftime_int(str, pos, max, mstm->tm_year+1900, 4, 0, 9999);
                break;
            }
            break;
        case 'h':
            if(!MSVCRT_CHECK_PMT(mstm->tm_hour>=0 && mstm->tm_hour<=23))
            {
                *str = 0;
                return FALSE;
            }
            if(count > 2)
                ret = strftime_nstr(str, pos, max, format, count-2);
            if(ret)
                ret = strftime_int(str, pos, max, (mstm->tm_hour + 11) % 12 + 1,
                        count == 1 ? 0 : 2, 1, 12);
            break;
        case 'H':
            if(count > 2)
                ret = strftime_nstr(str, pos, max, format, count-2);
            if(ret)
                ret = strftime_int(str, pos, max, mstm->tm_hour, count == 1 ? 0 : 2, 0, 23);
            break;
        case 'm':
            if(count > 2)
                ret = strftime_nstr(str, pos, max, format, count-2);
            if(ret)
                ret = strftime_int(str, pos, max, mstm->tm_min, count == 1 ? 0 : 2, 0, 59);
            break;
        case 's':
            if(count > 2)
                ret = strftime_nstr(str, pos, max, format, count-2);
            if(ret)
                ret = strftime_int(str, pos, max, mstm->tm_sec, count == 1 ? 0 : 2, 0, MAX_SECONDS);
            break;
        case 'a':
        case 'A':
        case 't':
            if(!MSVCRT_CHECK_PMT(mstm->tm_hour>=0 && mstm->tm_hour<=23))
            {
                *str = 0;
                return FALSE;
            }
            ret = strftime_nstr(str, pos, max,
                    mstm->tm_hour < 12 ? STRFTIME_TD(time_data, am) : STRFTIME_TD(time_data, pm),
                    (*format == 't' && count == 1) ? 1 : SIZE_MAX);
            break;
        default:
            ret = strftime_nstr(str, pos, max, format, count);
            break;
        }
        format += count;
    }
 
    return ret;
}

Referenced by strftime_impl().

strftime_helper()

static size_t strftime_helper ( char *  str, size_t  max, const char *  format, const struct tm *  mstm, __lc_time_data *  time_data, _locale_t  loc  )

static

Definition at line 1466 of file time.c.

{
#if _MSVCR_VER <= 90
    TRACE("(%p %Iu %s %p %p %p)\n", str, max, format, mstm, time_data, loc);
    return strftime_impl(str, max, format, mstm, time_data, loc);
#else
    wchar_t *s, *fmt;
    size_t len;
    int cp;
 
    TRACE("(%p %Iu %s %p %p %p)\n", str, max, format, mstm, time_data, loc);
 
    if (!MSVCRT_CHECK_PMT(str != NULL)) return 0;
    if (!MSVCRT_CHECK_PMT(max != 0)) return 0;
    *str = 0;
    if (!MSVCRT_CHECK_PMT(format != NULL)) return 0;
 
    cp = (loc ? loc->locinfo : get_locinfo())->lc_id[LC_TIME].wCodePage;
 
    len = MultiByteToWideChar( cp, 0, format, -1, NULL, 0 );
    if (!len)
    {
        *_errno() = EILSEQ;
        return 0;
    }
    fmt = malloc( len*sizeof(wchar_t) );
    if (!fmt) return 0;
    MultiByteToWideChar( cp, 0, format, -1, fmt, len );
 
    if ((s = malloc( max*sizeof(wchar_t) )))
    {
        len = strftime_impl( s, max, fmt, mstm, time_data, loc );
        if (len)
        {
            len = WideCharToMultiByte( cp, 0, s, -1, str, max, NULL, NULL );
            if (len) len--;
            else *_errno() = EILSEQ;
        }
        free( s );
    }
    else len = 0;
 
    free( fmt );
    return len;
#endif
}

Referenced by _Strftime(), and strftime().

strftime_impl()

static size_t strftime_impl ( STRFTIME_CHAR *  str, size_t  max, const STRFTIME_CHAR *  format, const struct tm *  mstm, __lc_time_data *  time_data, _locale_t  loc  )

static

Definition at line 1116 of file time.c.

{
    size_t ret, tmp;
    BOOL alternate;
    int year = mstm ? mstm->tm_year + 1900 : -1;
 
    if(!str || !format) {
        if(str && max)
            *str = 0;
        *_errno() = EINVAL;
        return 0;
    }
 
    if(!time_data)
        time_data = loc ? loc->locinfo->lc_time_curr : get_locinfo()->lc_time_curr;
 
    for(ret=0; *format && ret<max; format++) {
        if(*format != '%') {
            if(_isleadbyte_l((unsigned char)*format, loc)) {
                str[ret++] = *(format++);
                if(ret == max) continue;
                if(!MSVCRT_CHECK_PMT(str[ret]))
                    goto einval_error;
            }
            str[ret++] = *format;
            continue;
        }
 
        format++;
        if(*format == '#') {
            alternate = TRUE;
            format++;
        }else {
            alternate = FALSE;
        }
 
        if(!MSVCRT_CHECK_PMT(mstm))
            goto einval_error;
 
        switch(*format) {
        case 'c':
#if _MSVCR_VER>=140
            if(time_data == &cloc_time_data && !alternate)
            {
                tmp = strftime_impl(str+ret, max-ret, L"%a %b %e %T %Y", mstm, time_data, loc);
                if(!tmp)
                    return 0;
                ret += tmp;
                break;
            }
#endif
            if(!strftime_format(str, &ret, max, mstm, time_data,
                    alternate ? STRFTIME_TD(time_data, date) : STRFTIME_TD(time_data, short_date)))
                return 0;
            if(ret < max)
                str[ret++] = ' ';
            if(!strftime_format(str, &ret, max, mstm, time_data, STRFTIME_TD(time_data, time)))
                return 0;
            break;
        case 'x':
            if(!strftime_format(str, &ret, max, mstm, time_data,
                    alternate ? STRFTIME_TD(time_data, date) : STRFTIME_TD(time_data, short_date)))
                return 0;
            break;
        case 'X':
            if(!strftime_format(str, &ret, max, mstm, time_data, STRFTIME_TD(time_data, time)))
                return 0;
            break;
        case 'a':
            if(!MSVCRT_CHECK_PMT(mstm->tm_wday>=0 && mstm->tm_wday<=6))
                goto einval_error;
            if(!strftime_str(str, &ret, max, STRFTIME_TD(time_data, short_wday)[mstm->tm_wday]))
                return 0;
            break;
        case 'A':
            if(!MSVCRT_CHECK_PMT(mstm->tm_wday>=0 && mstm->tm_wday<=6))
                goto einval_error;
            if(!strftime_str(str, &ret, max, STRFTIME_TD(time_data, wday)[mstm->tm_wday]))
                return 0;
            break;
        case 'b':
#if _MSVCR_VER>=140
        case 'h':
#endif
            if(!MSVCRT_CHECK_PMT(mstm->tm_mon>=0 && mstm->tm_mon<=11))
                goto einval_error;
            if(!strftime_str(str, &ret, max, STRFTIME_TD(time_data, short_mon)[mstm->tm_mon]))
                return 0;
            break;
        case 'B':
            if(!MSVCRT_CHECK_PMT(mstm->tm_mon>=0 && mstm->tm_mon<=11))
                goto einval_error;
            if(!strftime_str(str, &ret, max, STRFTIME_TD(time_data, mon)[mstm->tm_mon]))
                return 0;
            break;
#if _MSVCR_VER>=140
        case 'C':
            if(!MSVCRT_CHECK_PMT(year>=0 && year<=9999))
                goto einval_error;
            if(!strftime_int(str, &ret, max, year/100, alternate ? 0 : 2, 0, 99))
                return 0;
            break;
#endif
        case 'd':
            if(!strftime_int(str, &ret, max, mstm->tm_mday, alternate ? 0 : 2, 1, 31))
                return 0;
            break;
#if _MSVCR_VER>=140
        case 'D':
            if(!MSVCRT_CHECK_PMT(year>=0 && year<=9999))
                goto einval_error;
            if(!strftime_int(str, &ret, max, mstm->tm_mon+1, alternate ? 0 : 2, 1, 12))
                return 0;
            if(ret < max)
                str[ret++] = '/';
            if(!strftime_int(str, &ret, max, mstm->tm_mday, alternate ? 0 : 2, 1, 31))
                return 0;
            if(ret < max)
                str[ret++] = '/';
            if(!strftime_int(str, &ret, max, year%100, alternate ? 0 : 2, 0, 99))
                return 0;
            break;
        case 'e':
            if(!strftime_int(str, &ret, max, mstm->tm_mday, alternate ? 0 : 2, 1, 31))
                return 0;
            if(!alternate && str[ret-2] == '0')
                str[ret-2] = ' ';
            break;
        case 'F':
            if(!strftime_int(str, &ret, max, year, alternate ? 0 : 4, 0, 9999))
                return 0;
            if(ret < max)
                str[ret++] = '-';
            if(!strftime_int(str, &ret, max, mstm->tm_mon+1, alternate ? 0 : 2, 1, 12))
                return 0;
            if(ret < max)
                str[ret++] = '-';
            if(!strftime_int(str, &ret, max, mstm->tm_mday, alternate ? 0 : 2, 1, 31))
                return 0;
            break;
        case 'g':
        case 'G':
            if(!MSVCRT_CHECK_PMT(year>=0 && year<=9999))
                goto einval_error;
            /* fall through */
        case 'V':
        {
            int iso_year = year;
            int iso_days = mstm->tm_yday - (mstm->tm_wday ? mstm->tm_wday : 7) + 4;
            if (iso_days < 0)
                iso_days += 365 + IsLeapYear(--iso_year);
            else if(iso_days >= 365 + IsLeapYear(iso_year))
                iso_days -= 365 + IsLeapYear(iso_year++);
 
            if(*format == 'G') {
                if(!strftime_int(str, &ret, max, iso_year, 4, 0, 9999))
                    return 0;
            } else if(*format == 'g') {
                if(!strftime_int(str, &ret, max, iso_year%100, 2, 0, 99))
                    return 0;
            } else {
                if(!strftime_int(str, &ret, max, iso_days/7 + 1, alternate ? 0 : 2, 0, 53))
                    return 0;
            }
            break;
        }
#endif
        case 'H':
            if(!strftime_int(str, &ret, max, mstm->tm_hour, alternate ? 0 : 2, 0, 23))
                return 0;
            break;
        case 'I':
            if(!MSVCRT_CHECK_PMT(mstm->tm_hour>=0 && mstm->tm_hour<=23))
                goto einval_error;
            if(!strftime_int(str, &ret, max, (mstm->tm_hour + 11) % 12 + 1,
                        alternate ? 0 : 2, 1, 12))
                return 0;
            break;
        case 'j':
            if(!strftime_int(str, &ret, max, mstm->tm_yday+1, alternate ? 0 : 3, 1, 366))
                return 0;
            break;
        case 'm':
            if(!strftime_int(str, &ret, max, mstm->tm_mon+1, alternate ? 0 : 2, 1, 12))
                return 0;
            break;
        case 'M':
            if(!strftime_int(str, &ret, max, mstm->tm_min, alternate ? 0 : 2, 0, 59))
                return 0;
            break;
#if _MSVCR_VER>=140
        case 'n':
            str[ret++] = '\n';
            break;
#endif
        case 'p':
            if(!MSVCRT_CHECK_PMT(mstm->tm_hour>=0 && mstm->tm_hour<=23))
                goto einval_error;
            if(!strftime_str(str, &ret, max, mstm->tm_hour<12 ?
                        STRFTIME_TD(time_data, am) : STRFTIME_TD(time_data, pm)))
                return 0;
            break;
#if _MSVCR_VER>=140
        case 'r':
            if(time_data == &cloc_time_data)
            {
                if(!MSVCRT_CHECK_PMT(mstm->tm_hour>=0 && mstm->tm_hour<=23))
                    goto einval_error;
                if(!strftime_int(str, &ret, max, (mstm->tm_hour + 11) % 12 + 1,
                            alternate ? 0 : 2, 1, 12))
                    return 0;
                if(ret < max)
                    str[ret++] = ':';
                if(!strftime_int(str, &ret, max, mstm->tm_min, alternate ? 0 : 2, 0, 59))
                    return 0;
                if(ret < max)
                    str[ret++] = ':';
                if(!strftime_int(str, &ret, max, mstm->tm_sec, alternate ? 0 : 2, 0, MAX_SECONDS))
                    return 0;
                if(ret < max)
                    str[ret++] = ' ';
                if(!strftime_str(str, &ret, max, mstm->tm_hour<12 ?
                            STRFTIME_TD(time_data, am) : STRFTIME_TD(time_data, pm)))
                    return 0;
            }
            else
            {
                if(!strftime_format(str, &ret, max, mstm, time_data, STRFTIME_TD(time_data, time)))
                    return 0;
            }
            break;
        case 'R':
            if(!strftime_int(str, &ret, max, mstm->tm_hour, alternate ? 0 : 2, 0, 23))
                return 0;
            if(ret < max)
                str[ret++] = ':';
            if(!strftime_int(str, &ret, max, mstm->tm_min, alternate ? 0 : 2, 0, 59))
                return 0;
            break;
#endif
        case 'S':
            if(!strftime_int(str, &ret, max, mstm->tm_sec, alternate ? 0 : 2, 0, MAX_SECONDS))
                return 0;
            break;
#if _MSVCR_VER>=140
        case 't':
            str[ret++] = '\t';
            break;
        case 'T':
            if(!strftime_int(str, &ret, max, mstm->tm_hour, alternate ? 0 : 2, 0, 23))
                return 0;
            if(ret < max)
                str[ret++] = ':';
            if(!strftime_int(str, &ret, max, mstm->tm_min, alternate ? 0 : 2, 0, 59))
                return 0;
            if(ret < max)
                str[ret++] = ':';
            if(!strftime_int(str, &ret, max, mstm->tm_sec, alternate ? 0 : 2, 0, MAX_SECONDS))
                return 0;
            break;
        case 'u':
            if(!MSVCRT_CHECK_PMT(mstm->tm_wday>=0 && mstm->tm_wday<=6))
                goto einval_error;
            tmp = mstm->tm_wday ? mstm->tm_wday : 7;
            if(!strftime_int(str, &ret, max, tmp, 0, 1, 7))
                return 0;
            break;
#endif
        case 'w':
            if(!strftime_int(str, &ret, max, mstm->tm_wday, 0, 0, 6))
                return 0;
            break;
        case 'y':
#if _MSVCR_VER>=140
            if(!MSVCRT_CHECK_PMT(year>=0 && year<=9999))
#else
            if(!MSVCRT_CHECK_PMT(year>=1900))
#endif
                goto einval_error;
            if(!strftime_int(str, &ret, max, year%100, alternate ? 0 : 2, 0, 99))
                return 0;
            break;
        case 'Y':
            if(!strftime_int(str, &ret, max, year, alternate ? 0 : 4, 0, 9999))
                return 0;
            break;
        case 'z':
#if _MSVCR_VER>=140
            _tzset();
            if(!strftime_tzdiff(str, &ret, max, mstm->tm_isdst))
                return 0;
            break;
#endif
        case 'Z':
            _tzset();
#if _MSVCR_VER <= 90
            if(_get_tzname(&tmp, str+ret, max-ret, mstm->tm_isdst ? 1 : 0))
                return 0;
#else
                if(_mbstowcs_s_l(&tmp, str+ret, max-ret,
                            mstm->tm_isdst ? tzname_dst : tzname_std,
                            _TRUNCATE, loc) == STRUNCATE)
                    ret = max;
#endif
            ret += tmp-1;
            break;
        case 'U':
        case 'W':
            if(!MSVCRT_CHECK_PMT(mstm->tm_wday>=0 && mstm->tm_wday<=6))
                goto einval_error;
            if(!MSVCRT_CHECK_PMT(mstm->tm_yday>=0 && mstm->tm_yday<=365))
                goto einval_error;
            if(*format == 'U')
                tmp = mstm->tm_wday;
            else if(!mstm->tm_wday)
                tmp = 6;
            else
                tmp = mstm->tm_wday-1;
 
            tmp = mstm->tm_yday/7 + (tmp<=mstm->tm_yday%7);
            if(!strftime_int(str, &ret, max, tmp, alternate ? 0 : 2, 0, 53))
                return 0;
            break;
        case '%':
            str[ret++] = '%';
            break;
        default:
            WARN("unknown format %c\n", *format);
            MSVCRT_INVALID_PMT("unknown format", EINVAL);
            goto einval_error;
        }
    }
 
    if(ret == max) {
        if(max)
            *str = 0;
        *_errno() = ERANGE;
        return 0;
    }
 
    str[ret] = 0;
    return ret;
 
einval_error:
    *str = 0;
    return 0;
}

Referenced by strftime_helper(), strftime_impl(), and wcsftime_helper().

strftime_int()

static BOOL strftime_int ( STRFTIME_CHAR *  str, size_t *  pos, size_t  max, int  src, int  prec, int  l, int  h  )

inlinestatic

Definition at line 916 of file time.c.

{
    size_t len;
 
    if(!MSVCRT_CHECK_PMT(src>=l && src<=h)) {
        *str = 0;
        return FALSE;
    }
 
#if _MSVCR_VER <= 90
    len = _snprintf(str+*pos, max-*pos, "%0*d", prec, src);
#else
    len = _snwprintf(str+*pos, max-*pos, L"%0*d", prec, src);
#endif
    if(len == -1) {
        *str = 0;
        *_errno() = ERANGE;
        return FALSE;
    }
 
    *pos += len;
    return TRUE;
}

Referenced by strftime_format(), and strftime_impl().

strftime_nstr()

static BOOL strftime_nstr ( STRFTIME_CHAR *  str, size_t *  pos, size_t  max, const STRFTIME_CHAR *  src, size_t  len  )

inlinestatic

Definition at line 897 of file time.c.

{
    while(*src && len)
    {
        if(*pos >= max) {
            *str = 0;
            *_errno() = ERANGE;
            return FALSE;
        }
 
        str[*pos] = *src;
        src++;
        *pos += 1;
        len--;
    }
    return TRUE;
}

Referenced by strftime_format().

wcsftime()

size_t CDECL wcsftime	(	wchar_t *	str,
		size_t	max,
		const wchar_t *	format,
		const struct tm *	mstm
	)

Definition at line 1585 of file time.c.

{
    return wcsftime_helper(str, max, format, mstm, NULL, NULL);
}

wcsftime_helper()

static size_t wcsftime_helper ( wchar_t *  str, size_t  max, const wchar_t *  format, const struct tm *  mstm, __lc_time_data *  time_data, _locale_t  loc  )

static

Definition at line 1543 of file time.c.

{
#if _MSVCR_VER <= 90
    char *s, *fmt;
    size_t len;
 
    TRACE("%p %Iu %s %p %p %p\n", str, max, debugstr_w(format), mstm, time_data, loc);
 
    len = _wcstombs_l( NULL, format, 0, loc ) + 1;
    if (!(fmt = malloc( len ))) return 0;
    _wcstombs_l(fmt, format, len, loc);
 
    if ((s = malloc( max*4 )))
    {
        if (!strftime_impl( s, max*4, fmt, mstm, time_data, loc )) s[0] = 0;
        len = _mbstowcs_l( str, s, max, loc );
        free( s );
    }
    else len = 0;
 
    free( fmt );
    return len;
#else
    TRACE("%p %Iu %s %p %p %p\n", str, max, debugstr_w(format), mstm, time_data, loc);
    return strftime_impl(str, max, format, mstm, time_data, loc);
#endif
}

Referenced by _wcsftime_l(), and wcsftime().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

msvcrt

)

write_invalid_msvcrt_tm()

static void write_invalid_msvcrt_tm ( struct tm *  tm )

inlinestatic

Definition at line 85 of file time.c.

{
    tm->tm_sec = -1;
    tm->tm_min = -1;
    tm->tm_hour = -1;
    tm->tm_mday = -1;
    tm->tm_mon = -1;
    tm->tm_year = -1;
    tm->tm_wday = -1;
    tm->tm_yday = -1;
    tm->tm_isdst = -1;
}

Referenced by _gmtime64_s(), _localtime32_s(), and _localtime64_s().

Variable Documentation

init_time

LONGLONG init_time

static

Definition at line 47 of file time.c.

Referenced by clock(), and msvcrt_init_clock().

MAX_SECONDS

const int MAX_SECONDS = 59

static

Definition at line 66 of file time.c.

Referenced by strftime_format(), and strftime_impl().

MonthLengths

const int MonthLengths[2][12]

static

Initial value:

=
{
    { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
    { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
}

Definition at line 57 of file time.c.

Referenced by _gmtime64_s(), _localtime64_s(), asctime_buf(), asctime_s(), mktime_helper(), RtlCutoverTimeToSystemTime(), RtlTimeFieldsToTime(), RtlTimeToTimeFields(), and test_pRtlTimeToTimeFields().

MSVCRT___daylight

int MSVCRT___daylight = 1

Definition at line 101 of file time.c.

Referenced by __p__daylight(), _tzset(), and is_dst().

MSVCRT___timezone

__msvcrt_long MSVCRT___timezone = 28800

Definition at line 106 of file time.c.

Referenced by __p__timezone(), _ftime64(), _localtime64_s(), _tzset(), and mktime_helper().

MSVCRT__dstbias

__msvcrt_long MSVCRT__dstbias = -3600

Definition at line 111 of file time.c.

Referenced by __p__dstbias(), _localtime64_s(), _tzset(), is_dst(), and mktime_helper().

MSVCRT__tzname

char* MSVCRT__tzname[2] = { tzname_std, tzname_dst }

Definition at line 121 of file time.c.

Referenced by __p__tzname(), and _tzset().

tzi

TIME_ZONE_INFORMATION tzi = {0}

static

Definition at line 123 of file time.c.

Referenced by _tzset(), create_date(), date_parse(), get_localdatetime(), is_dst(), and mktime_worker().

tzname_dst

char tzname_dst[64] = "PDT"

static

Definition at line 120 of file time.c.

Referenced by _get_tzname(), _tzset(), and strftime_impl().

tzname_std

char tzname_std[64] = "PST"

static

Definition at line 119 of file time.c.

Referenced by _get_tzname(), _tzset(), and strftime_impl().