Add some version checks to help compiling on OSX.
[wxWidgets.git] / src / msw / wince / time.cpp
index 965502e15b724fc12bbd68978ffbdcac23ead98c..dffe23a04529bdb2710394d8d2c4e0baf3a63582 100644 (file)
@@ -2,9 +2,9 @@
 // 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:
+// RCS-ID:      $Id$
 // Copyright:   (c) Marco Cavallini
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/msw/wince/time.h"
 
+#if defined(__VISUALC__) && (__VISUALC__ >= 1400)
+
+// VC8 does provide the time functions but not the standard ones
+#include <altcecrt.h>
+
+time_t __cdecl time(time_t *t)
+{
+    __time64_t t64;
+    if ( !_time64(&t64) )
+        return (time_t)-1;
+
+    if ( t )
+        *t = (time_t)t64;
+
+    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 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_BIT(type) (sizeof (type) * CHAR_BIT)
 #define TYPE_SIGNED(type) (((type) -1) < 0)
 
 #define INT_STRLEN_MAXIMUM(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
+#define MONSPERYEAR 12
+#define DAYSPERWEEK 7
+#define TM_YEAR_BASE 1900
+#define HOURSPERDAY 24
+#define DAYSPERNYEAR 365
+#define DAYSPERLYEAR 366
 
-static char            wildabbr[] = "WILDABBR";
+static char     wildabbr[] = "WILDABBR";
 
-char *                 tzname[2] = {
-       wildabbr,
-       wildabbr
+char *          tzname[2] = {
+    wildabbr,
+    wildabbr
 };
 
 
-#define Locale (&C_time_locale)
+#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;
+    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 = {
-       {
-               "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 const struct lc_time_T   C_time_locale = {
+    {
+        "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;
+    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];
+    char    buf[INT_STRLEN_MAXIMUM(int) + 1];
 
-       (void) _snprintf(buf, sizeof buf, format, n);
-       return _add(buf, pt, ptlim);
+    (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 == '%') {
+    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;
+            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;
+            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;
-                               char const *    sign;
-
-                               if (t->tm_isdst < 0)
-                                       continue;
-                continue;
-                               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;
+            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;
+    char *p;
+    int warn;
 
-       //tzset();
+    //tzset();
 
-       warn = IN_NONE;
-       p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn);
+    warn = IN_NONE;
+    p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn);
 
-       if (p == s + maxsize) {
-               if (maxsize > 0)
-                       s[maxsize - 1] = '\0';
-               return 0;
-       }
-       *p = '\0';
-       return p - s;
+    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 */
+
 size_t wcsftime(wchar_t *s,
                 const size_t maxsize,
                 const wchar_t *format,
@@ -510,7 +533,7 @@ size_t wcsftime(wchar_t *s,
     wxString formatStr(format);
     wxCharBuffer bufFormatStr(formatStr.mb_str());
 
-    size_t sz = strftime(sBuf, maxsize/sizeof(wchar_t), bufFormatStr, t);
+    size_t sz = strftime(sBuf.data(), maxsize/sizeof(wchar_t), bufFormatStr, t);
 
     wxMB2WC(s, sBuf, maxsize);
 
@@ -589,7 +612,7 @@ static struct tm * __cdecl common_localtime(const time_t *t, BOOL bLocal)
     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 localtime behaviour and daylight saving
     if (bLocal && pTz.DaylightBias != 0)
         res->tm_isdst = 1;
     else
@@ -736,4 +759,4 @@ time_t __cdecl mktime(struct tm *t)
 
 } // extern "C"
 
-
+#endif // VC8/!VC8