// Name: src/msw/wince/time.cpp
// Purpose: Implements missing time functionality for WinCE
// Author: Marco Cavallini (MCK) - wx@koansoftware.com
-// Modified by:
+// Modified by: Vadim Zeitlin for VC8 support
// Created: 31-08-2003
-// RCS-ID:
-// Copyright: (c) Marco Cavallini
+// RCS-ID: $Id$
+// Copyright: (c) Marco Cavallini
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "window.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#endif
#include "wx/msw/wince/time.h"
-#include <winbase.h>
-#define is_leap(y) (y % 4 == 0 && (y % 100 != 0 || y % 400 == 0))
-#define SECONDS_IN_ONE_MINUTE 60
-#define DAYS_IN_ONE_YEAR 365
-#define SECONDS_IN_ONE_MIN 60
-#define SECONDS_IN_ONE_HOUR 3600
-#define SECONDS_IN_ONE_DAY 86400
-#define DEFAULT_TIMEZONE 28800
-#define DO_GMTIME 0
-#define DO_LOCALTIME 1
+#if defined(__VISUALC__) && (__VISUALC__ >= 1400)
+// VC8 does provide the time functions but not the standard ones
+#include <altcecrt.h>
-long timezone ; // global variable
+time_t __cdecl time(time_t *t)
+{
+ __time64_t t64;
+ if ( !_time64(&t64) )
+ return (time_t)-1;
+ if ( t )
+ *t = (time_t)t64;
-////////////////////////////////////////////////////////////////////////
-// Common code for localtime and gmtime (static)
-////////////////////////////////////////////////////////////////////////
-static struct tm * __cdecl common_localtime(const time_t * t, BOOL bLocal)
-{
- wxString str ;
- SYSTEMTIME SystemTime;
- TIME_ZONE_INFORMATION pTz;
- static struct tm st_res ; // data holder
- static struct tm * res = &st_res ; // data pointer
- int iLeap;
- const unsigned short int __mon_yday[2][13] =
+ return (time_t)t64;
+}
+
+time_t __cdecl mktime(struct tm *t)
+{
+ return (time_t)_mktime64(t);
+}
+
+#else // !VC8
+
+/////////////////////////////////////////////////////////////////////////////////////////////
+// //
+// strftime() - taken from OpenBSD //
+// //
+/////////////////////////////////////////////////////////////////////////////////////////////
+
+#define IN_NONE 0
+#define IN_SOME 1
+#define IN_THIS 2
+#define IN_ALL 3
+#define CHAR_BIT 8
+
+#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
+#define TYPE_SIGNED(type) (((type) -1) < 0)
+
+#define INT_STRLEN_MAXIMUM(type) \
+ ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
+
+#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
+
+#define MONSPERYEAR 12
+#define DAYSPERWEEK 7
+#define TM_YEAR_BASE 1900
+#define HOURSPERDAY 24
+#define DAYSPERNYEAR 365
+#define DAYSPERLYEAR 366
+
+static char wildabbr[] = "WILDABBR";
+
+char * tzname[2] = {
+ wildabbr,
+ wildabbr
+};
+
+
+#define Locale (&C_time_locale)
+
+struct lc_time_T {
+ const char * mon[MONSPERYEAR];
+ const char * month[MONSPERYEAR];
+ const char * wday[DAYSPERWEEK];
+ const char * weekday[DAYSPERWEEK];
+ const char * X_fmt;
+ const char * x_fmt;
+ const char * c_fmt;
+ const char * am;
+ const char * pm;
+ const char * date_fmt;
+};
+
+static const struct lc_time_T C_time_locale = {
{
- // Normal years
- { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
- // Leap years
- { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
- };
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+ }, {
+ "January", "February", "March", "April", "May", "June",
+ "July", "August", "September", "October", "November", "December"
+ }, {
+ "Sun", "Mon", "Tue", "Wed",
+ "Thu", "Fri", "Sat"
+ }, {
+ "Sunday", "Monday", "Tuesday", "Wednesday",
+ "Thursday", "Friday", "Saturday"
+ },
+
+ /* X_fmt */
+ "%H:%M:%S",
+
+ /*
+ ** x_fmt
+ ** C99 requires this format.
+ ** Using just numbers (as here) makes Quakers happier;
+ ** it's also compatible with SVR4.
+ */
+ "%m/%d/%y",
+
+ /*
+ ** c_fmt
+ ** C99 requires this format.
+ ** Previously this code used "%D %X", but we now conform to C99.
+ ** Note that
+ ** "%a %b %d %H:%M:%S %Y"
+ ** is used by Solaris 2.3.
+ */
+ "%a %b %e %T %Y",
+
+ /* am */
+ "AM",
+
+ /* pm */
+ "PM",
+
+ /* date_fmt */
+ "%a %b %e %H:%M:%S %Z %Y"
+};
+
+
+static char *
+_add(const char * str, char * pt, const char * const ptlim)
+{
+ while (pt < ptlim && (*pt = *str++) != '\0')
+ ++pt;
+ return pt;
+}
+
+
+static char *
+_conv(const int n, const char * const format, char * const pt, const char * const ptlim)
+{
+ char buf[INT_STRLEN_MAXIMUM(int) + 1];
+
+ (void) _snprintf(buf, sizeof buf, format, n);
+ return _add(buf, pt, ptlim);
+}
+
+
+static char *
+_fmt(const char * format, const struct tm * const t, char * pt, const char * const ptlim, int * warnp)
+{
+ for ( ; *format; ++format) {
+ if (*format == '%') {
+label:
+ switch (*++format) {
+ case '\0':
+ --format;
+ break;
+ case 'A':
+ pt = _add((t->tm_wday < 0 ||
+ t->tm_wday >= DAYSPERWEEK) ?
+ "?" : Locale->weekday[t->tm_wday],
+ pt, ptlim);
+ continue;
+ case 'a':
+ pt = _add((t->tm_wday < 0 ||
+ t->tm_wday >= DAYSPERWEEK) ?
+ "?" : Locale->wday[t->tm_wday],
+ pt, ptlim);
+ continue;
+ case 'B':
+ pt = _add((t->tm_mon < 0 ||
+ t->tm_mon >= MONSPERYEAR) ?
+ "?" : Locale->month[t->tm_mon],
+ pt, ptlim);
+ continue;
+ case 'b':
+ case 'h':
+ pt = _add((t->tm_mon < 0 ||
+ t->tm_mon >= MONSPERYEAR) ?
+ "?" : Locale->mon[t->tm_mon],
+ pt, ptlim);
+ continue;
+ case 'C':
+ /*
+ ** %C used to do a...
+ ** _fmt("%a %b %e %X %Y", t);
+ ** ...whereas now POSIX 1003.2 calls for
+ ** something completely different.
+ ** (ado, 1993-05-24)
+ */
+ pt = _conv((t->tm_year + TM_YEAR_BASE) / 100,
+ "%02d", pt, ptlim);
+ continue;
+ case 'c':
+ {
+ int warn2 = IN_SOME;
+
+ pt = _fmt(Locale->c_fmt, t, pt, ptlim, warnp);
+ if (warn2 == IN_ALL)
+ warn2 = IN_THIS;
+ if (warn2 > *warnp)
+ *warnp = warn2;
+ }
+ continue;
+ case 'D':
+ pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp);
+ continue;
+ case 'd':
+ pt = _conv(t->tm_mday, "%02d", pt, ptlim);
+ continue;
+ case 'E':
+ case 'O':
+ /*
+ ** C99 locale modifiers.
+ ** The sequences
+ ** %Ec %EC %Ex %EX %Ey %EY
+ ** %Od %oe %OH %OI %Om %OM
+ ** %OS %Ou %OU %OV %Ow %OW %Oy
+ ** are supposed to provide alternate
+ ** representations.
+ */
+ goto label;
+ case 'e':
+ pt = _conv(t->tm_mday, "%2d", pt, ptlim);
+ continue;
+ case 'F':
+ pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp);
+ continue;
+ case 'H':
+ pt = _conv(t->tm_hour, "%02d", pt, ptlim);
+ continue;
+ case 'I':
+ pt = _conv((t->tm_hour % 12) ?
+ (t->tm_hour % 12) : 12,
+ "%02d", pt, ptlim);
+ continue;
+ case 'j':
+ pt = _conv(t->tm_yday + 1, "%03d", pt, ptlim);
+ continue;
+ case 'k':
+ /*
+ ** This used to be...
+ ** _conv(t->tm_hour % 12 ?
+ ** t->tm_hour % 12 : 12, 2, ' ');
+ ** ...and has been changed to the below to
+ ** match SunOS 4.1.1 and Arnold Robbins'
+ ** strftime version 3.0. That is, "%k" and
+ ** "%l" have been swapped.
+ ** (ado, 1993-05-24)
+ */
+ pt = _conv(t->tm_hour, "%2d", pt, ptlim);
+ continue;
+#ifdef KITCHEN_SINK
+ case 'K':
+ /*
+ ** After all this time, still unclaimed!
+ */
+ pt = _add("kitchen sink", pt, ptlim);
+ continue;
+#endif /* defined KITCHEN_SINK */
+ case 'l':
+ /*
+ ** This used to be...
+ ** _conv(t->tm_hour, 2, ' ');
+ ** ...and has been changed to the below to
+ ** match SunOS 4.1.1 and Arnold Robbin's
+ ** strftime version 3.0. That is, "%k" and
+ ** "%l" have been swapped.
+ ** (ado, 1993-05-24)
+ */
+ pt = _conv((t->tm_hour % 12) ?
+ (t->tm_hour % 12) : 12,
+ "%2d", pt, ptlim);
+ continue;
+ case 'M':
+ pt = _conv(t->tm_min, "%02d", pt, ptlim);
+ continue;
+ case 'm':
+ pt = _conv(t->tm_mon + 1, "%02d", pt, ptlim);
+ continue;
+ case 'n':
+ pt = _add("\n", pt, ptlim);
+ continue;
+ case 'p':
+ pt = _add((t->tm_hour >= (HOURSPERDAY / 2)) ?
+ Locale->pm :
+ Locale->am,
+ pt, ptlim);
+ continue;
+ case 'R':
+ pt = _fmt("%H:%M", t, pt, ptlim, warnp);
+ continue;
+ case 'r':
+ pt = _fmt("%I:%M:%S %p", t, pt, ptlim, warnp);
+ continue;
+ case 'S':
+ pt = _conv(t->tm_sec, "%02d", pt, ptlim);
+ continue;
+ case 's':
+ {
+ struct tm tm;
+ char buf[INT_STRLEN_MAXIMUM(
+ time_t) + 1];
+ time_t mkt;
+
+ tm = *t;
+ mkt = mktime(&tm);
+ if (TYPE_SIGNED(time_t))
+ (void) _snprintf(buf, sizeof buf,
+ "%ld", (long) mkt);
+ else (void) _snprintf(buf, sizeof buf,
+ "%lu", (unsigned long) mkt);
+ pt = _add(buf, pt, ptlim);
+ }
+ continue;
+ case 'T':
+ pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp);
+ continue;
+ case 't':
+ pt = _add("\t", pt, ptlim);
+ continue;
+ case 'U':
+ pt = _conv((t->tm_yday + DAYSPERWEEK -
+ t->tm_wday) / DAYSPERWEEK,
+ "%02d", pt, ptlim);
+ continue;
+ case 'u':
+ /*
+ ** From Arnold Robbins' strftime version 3.0:
+ ** "ISO 8601: Weekday as a decimal number
+ ** [1 (Monday) - 7]"
+ ** (ado, 1993-05-24)
+ */
+ pt = _conv((t->tm_wday == 0) ?
+ DAYSPERWEEK : t->tm_wday,
+ "%d", pt, ptlim);
+ continue;
+ case 'V': /* ISO 8601 week number */
+ case 'G': /* ISO 8601 year (four digits) */
+ case 'g': /* ISO 8601 year (two digits) */
+ {
+ int year;
+ int yday;
+ int wday;
+ int w;
+
+ year = t->tm_year + TM_YEAR_BASE;
+ yday = t->tm_yday;
+ wday = t->tm_wday;
+ for ( ; ; ) {
+ int len;
+ int bot;
+ int top;
+
+ len = isleap(year) ?
+ DAYSPERLYEAR :
+ DAYSPERNYEAR;
+ /*
+ ** What yday (-3 ... 3) does
+ ** the ISO year begin on?
+ */
+ bot = ((yday + 11 - wday) %
+ DAYSPERWEEK) - 3;
+ /*
+ ** What yday does the NEXT
+ ** ISO year begin on?
+ */
+ top = bot -
+ (len % DAYSPERWEEK);
+ if (top < -3)
+ top += DAYSPERWEEK;
+ top += len;
+ if (yday >= top) {
+ ++year;
+ w = 1;
+ break;
+ }
+ if (yday >= bot) {
+ w = 1 + ((yday - bot) /
+ DAYSPERWEEK);
+ break;
+ }
+ --year;
+ yday += isleap(year) ?
+ DAYSPERLYEAR :
+ DAYSPERNYEAR;
+ }
+ if (*format == 'V')
+ pt = _conv(w, "%02d",
+ pt, ptlim);
+ else if (*format == 'g') {
+ *warnp = IN_ALL;
+ pt = _conv(year % 100, "%02d",
+ pt, ptlim);
+ } else pt = _conv(year, "%04d",
+ pt, ptlim);
+ }
+ continue;
+ case 'v':
+ pt = _fmt("%e-%b-%Y", t, pt, ptlim, warnp);
+ continue;
+ case 'W':
+ pt = _conv((t->tm_yday + DAYSPERWEEK -
+ (t->tm_wday ?
+ (t->tm_wday - 1) :
+ (DAYSPERWEEK - 1))) / DAYSPERWEEK,
+ "%02d", pt, ptlim);
+ continue;
+ case 'w':
+ pt = _conv(t->tm_wday, "%d", pt, ptlim);
+ continue;
+ case 'X':
+ pt = _fmt(Locale->X_fmt, t, pt, ptlim, warnp);
+ continue;
+ case 'x':
+ {
+ int warn2 = IN_SOME;
+
+ pt = _fmt(Locale->x_fmt, t, pt, ptlim, &warn2);
+ if (warn2 == IN_ALL)
+ warn2 = IN_THIS;
+ if (warn2 > *warnp)
+ *warnp = warn2;
+ }
+ continue;
+ case 'y':
+ *warnp = IN_ALL;
+ pt = _conv((t->tm_year + TM_YEAR_BASE) % 100,
+ "%02d", pt, ptlim);
+ continue;
+ case 'Y':
+ pt = _conv(t->tm_year + TM_YEAR_BASE, "%04d",
+ pt, ptlim);
+ continue;
+ case 'Z':
+ if (t->tm_isdst >= 0)
+ pt = _add(tzname[t->tm_isdst != 0],
+ pt, ptlim);
+ /*
+ ** C99 says that %Z must be replaced by the
+ ** empty string if the time zone is not
+ ** determinable.
+ */
+ continue;
+ case 'z':
+ {
+ int diff = -timezone;
+ char const * sign;
+
+ if (diff < 0) {
+ sign = "-";
+ diff = -diff;
+ } else sign = "+";
+ pt = _add(sign, pt, ptlim);
+ diff /= 60;
+ pt = _conv((diff/60)*100 + diff%60,
+ "%04d", pt, ptlim);
+ }
+ continue;
+ case '+':
+ pt = _fmt(Locale->date_fmt, t, pt, ptlim,
+ warnp);
+ continue;
+ case '%':
+ default:
+ break;
+ }
+ }
+ if (pt == ptlim)
+ break;
+ *pt++ = *format;
+ }
+ return pt;
+}
+
+size_t
+strftime(char * const s, const size_t maxsize, const char *format, const struct tm * const t)
+{
+ char * p;
+ int warn;
+
+ //tzset();
- ::GetLocalTime(&SystemTime) ;
- ::GetTimeZoneInformation(&pTz);
+ warn = IN_NONE;
+ p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn);
- ///////////////////////////////////////////////
- // Set timezone
- timezone = pTz.Bias * SECONDS_IN_ONE_MINUTE ;
- ///////////////////////////////////////////////
+ if (p == s + maxsize) {
+ if (maxsize > 0)
+ s[maxsize - 1] = '\0';
+ return 0;
+ }
+ *p = '\0';
+ return p - s;
+}
+
+extern "C"
+{
+
+/* Not needed in VS Studio 2005 */
- iLeap = is_leap(SystemTime.wYear) ;
+size_t wcsftime(wchar_t *s,
+ const size_t maxsize,
+ const wchar_t *format,
+ const struct tm *t)
+{
+ wxCharBuffer sBuf(maxsize/sizeof(wchar_t));
- res->tm_hour = SystemTime.wHour;
- res->tm_min = SystemTime.wMinute;
- res->tm_sec = SystemTime.wSecond;
+ wxString formatStr(format);
+ wxCharBuffer bufFormatStr(formatStr.mb_str());
- res->tm_mday = SystemTime.wDay;
- res->tm_mon = SystemTime.wMonth - 1;// this the correct month but localtime returns month aligned to zero
- res->tm_year = SystemTime.wYear; // this the correct year
- res->tm_year = res->tm_year - 1900; // but localtime returns the value starting at the 1900
+ size_t sz = strftime(sBuf.data(), maxsize/sizeof(wchar_t), bufFormatStr, t);
- res->tm_wday = SystemTime.wDayOfWeek;
- res->tm_yday = __mon_yday[iLeap][res->tm_mon] + SystemTime.wDay - 1; // localtime returns year-day aligned to zero
+ wxMB2WC(s, sBuf, maxsize);
+
+ return sz;
+}
+
+} /* extern "C" */
+
+#define is_leap(y) (y % 4 == 0 && (y % 100 != 0 || y % 400 == 0))
+#define SECONDS_IN_ONE_MINUTE 60
+#define DAYS_IN_ONE_YEAR 365
+#define SECONDS_IN_ONE_MIN 60
+#define SECONDS_IN_ONE_HOUR 3600
+#define SECONDS_IN_ONE_DAY 86400
+#define DEFAULT_TIMEZONE 28800
+#define DO_GMTIME 0
+#define DO_LOCALTIME 1
- // if localtime behavior and daylight saving
- if (bLocal && pTz.DaylightBias != 0)
- res->tm_isdst = 1;
- else
- res->tm_isdst = 0; // without daylight saving or gmtime
+
+long timezone ; // global variable
+
+
+////////////////////////////////////////////////////////////////////////
+// Common code for localtime and gmtime (static)
+////////////////////////////////////////////////////////////////////////
+
+static struct tm * __cdecl common_localtime(const time_t *t, BOOL bLocal)
+{
+ wxLongLong i64;
+ FILETIME ft;
+ wxString str ;
+ SYSTEMTIME SystemTime;
+ TIME_ZONE_INFORMATION pTz;
+ static struct tm st_res ; // data holder
+ static struct tm * res = &st_res ; // data pointer
+ int iLeap;
+ const unsigned short int __mon_yday[2][13] =
+ {
+ // Normal years
+ { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
+ // Leap years
+ { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
+ };
+
+ if (!*t)
+ ::GetLocalTime(&SystemTime);
+ else
+ {
+ i64 = *t;
+ i64 = i64 * 10000000 + 116444736000000000;
+
+ ft.dwLowDateTime = i64.GetLo();
+ ft.dwHighDateTime = i64.GetHi();
+
+ ::FileTimeToSystemTime(&ft, &SystemTime);
+ }
+
+ ::GetTimeZoneInformation(&pTz);
+
+ ///////////////////////////////////////////////
+ // Set timezone
+ timezone = pTz.Bias * SECONDS_IN_ONE_MINUTE ;
+ ///////////////////////////////////////////////
+
+ iLeap = is_leap(SystemTime.wYear) ;
+
+ res->tm_hour = SystemTime.wHour;
+ res->tm_min = SystemTime.wMinute;
+ res->tm_sec = SystemTime.wSecond;
+
+ res->tm_mday = SystemTime.wDay;
+ res->tm_mon = SystemTime.wMonth - 1; // this the correct month but localtime returns month aligned to zero
+ res->tm_year = SystemTime.wYear; // this the correct year
+ res->tm_year = res->tm_year - 1900; // but localtime returns the value starting at the 1900
+
+ res->tm_wday = SystemTime.wDayOfWeek;
+ res->tm_yday = __mon_yday[iLeap][res->tm_mon] + SystemTime.wDay - 1; // localtime returns year-day aligned to zero
+
+ // if localtime behavior and daylight saving
+ if (bLocal && pTz.DaylightBias != 0)
+ res->tm_isdst = 1;
+ else
+ res->tm_isdst = 0; // without daylight saving or gmtime
return res;
}
+extern "C"
+{
+
////////////////////////////////////////////////////////////////////////
// Receive the number of seconds elapsed since midnight(00:00:00)
// and convert a time value and corrects for the local time zone
////////////////////////////////////////////////////////////////////////
struct tm * __cdecl localtime(const time_t * t)
{
- return common_localtime(t, DO_LOCALTIME) ;
+ return common_localtime(t, DO_LOCALTIME) ;
}
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
struct tm * __cdecl gmtime(const time_t *t)
{
- return common_localtime(t, DO_GMTIME) ;
+ return common_localtime(t, DO_GMTIME) ;
}
+}
////////////////////////////////////////////////////////////////////////
// Common code for conversion of struct tm into time_t (static)
////////////////////////////////////////////////////////////////////////
static time_t __cdecl common_tm_to_time(int day, int month, int year, int hour, int minute, int second)
{
- time_t prog = 0 ;
- static int mdays[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 } ;
-
- while (--month)
- {
- prog += mdays[month - 1] ;
- if (month == 2 && is_leap(year))
- prog++ ;
- }
-
- // Calculate seconds in elapsed days
- prog = day - 1 ; // align first day of the year to zero
- prog += (DAYS_IN_ONE_YEAR * (year - 1970) + (year - 1901) / 4 - 19) ;
- prog *= SECONDS_IN_ONE_DAY ;
-
- // Add Calculated elapsed seconds in the current day
- prog += (hour * SECONDS_IN_ONE_HOUR + minute *
- SECONDS_IN_ONE_MIN + second) ;
-
- return prog ;
+#if 1
+ // Use mktime since it seems less broken
+ tm t;
+ t.tm_isdst = -1;
+ t.tm_hour = hour;
+ t.tm_mday = day;
+ t.tm_min = minute;
+ t.tm_mon = month-1;
+ t.tm_sec = second;
+ t.tm_wday = -1;
+ t.tm_yday = -1;
+ t.tm_year = year - 1900;
+ return mktime(& t);
+#else
+ time_t prog = 0 ;
+ static int mdays[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 } ;
+
+ while (--month)
+ {
+ prog += mdays[month - 1] ;
+ if (month == 2 && is_leap(year))
+ prog++ ;
+ }
+
+ // Calculate seconds in elapsed days
+ prog = day - 1 ; // align first day of the year to zero
+ prog += (DAYS_IN_ONE_YEAR * (year - 1970) + (year - 1901) / 4 - 19) ;
+ prog *= SECONDS_IN_ONE_DAY ;
+
+ // Add Calculated elapsed seconds in the current day
+ prog += (hour * SECONDS_IN_ONE_HOUR + minute *
+ SECONDS_IN_ONE_MIN + second) ;
+
+ return prog ;
+#endif
}
+extern "C"
+{
////////////////////////////////////////////////////////////////////////
// Returns the number of seconds elapsed since
////////////////////////////////////////////////////////////////////////
time_t __cdecl time(time_t *t)
{
- time_t prog = 0 ;
+ time_t prog = 0 ;
- if (t != NULL)
- {
- SYSTEMTIME SystemTime;
+ if (t != NULL)
+ {
+ SYSTEMTIME SystemTime;
- ::GetLocalTime(&SystemTime) ;
- prog = common_tm_to_time(SystemTime.wDay, SystemTime.wMonth, SystemTime.wYear,
- SystemTime.wHour, SystemTime.wMinute, SystemTime.wSecond) ;
- *t = prog ;
- }
+ ::GetLocalTime(&SystemTime) ;
+ prog = common_tm_to_time(SystemTime.wDay, SystemTime.wMonth, SystemTime.wYear,
+ SystemTime.wHour, SystemTime.wMinute, SystemTime.wSecond) ;
+ *t = prog ;
+ }
- return prog ;
+ return prog ;
}
////////////////////////////////////////////////////////////////////////
// Converts the local time provided by struct tm
// into a time_t calendar value
+// Implementation from OpenBSD
////////////////////////////////////////////////////////////////////////
-time_t __cdecl mktime(struct tm *t)
-{
- return (common_tm_to_time(t->tm_mday, t->tm_mon+1, t->tm_year+1900, t->tm_hour, t->tm_min, t->tm_sec)) ;
-}
+#if 1
+int month_to_day[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
-size_t __cdecl wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *)
+time_t mktime(struct tm *t)
{
- // TODO : maybe copy something from wxString::Printf
+ short month, year;
+ time_t result;
+
+ month = t->tm_mon;
+ year = t->tm_year + month / 12 + 1900;
+ month %= 12;
+ if (month < 0)
+ {
+ year -= 1;
+ month += 12;
+ }
+ result = (year - 1970) * 365 + (year - 1969) / 4 + month_to_day[month];
+ result = (year - 1970) * 365 + month_to_day[month];
+ if (month <= 1)
+ year -= 1;
+ result += (year - 1968) / 4;
+ result -= (year - 1900) / 100;
+ result += (year - 1600) / 400;
+ result += t->tm_mday;
+ result -= 1;
+ result *= 24;
+ result += t->tm_hour;
+ result *= 60;
+ result += t->tm_min;
+ result *= 60;
+ result += t->tm_sec;
+ return(result);
+}
- return 0;
+#else
+time_t __cdecl mktime(struct tm *t)
+{
+ return (common_tm_to_time(t->tm_mday, t->tm_mon+1, t->tm_year+1900, t->tm_hour, t->tm_min, t->tm_sec)) ;
}
+#endif
+
+} // extern "C"
+
+#endif // VC8/!VC8
projects / wxWidgets.git / blobdiff