summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/ce-compat/ce_time.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/ce-compat/ce_time.c')
-rw-r--r--src/3rdparty/ce-compat/ce_time.c677
1 files changed, 677 insertions, 0 deletions
diff --git a/src/3rdparty/ce-compat/ce_time.c b/src/3rdparty/ce-compat/ce_time.c
new file mode 100644
index 0000000..92efae0
--- /dev/null
+++ b/src/3rdparty/ce-compat/ce_time.c
@@ -0,0 +1,677 @@
+//
+// strftime.c
+//
+// Date to string conversion
+//
+// Copyright (C) 2002 Michael Ringgaard. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// 3. Neither the name of the project nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+// SUCH DAMAGE.
+//
+
+/////////////////////////////////////////////////////////////////////////////////////////////
+// //
+// time() //
+// //
+/////////////////////////////////////////////////////////////////////////////////////////////
+
+
+#include <windows.h>
+#include <time.h>
+#include "ce_time.h"
+
+time_t
+time(time_t* timer)
+{
+ SYSTEMTIME systime;
+ struct tm tmtime;
+ time_t tt;
+
+ GetLocalTime(&systime);
+
+ tmtime.tm_year = systime.wYear-1900;
+ tmtime.tm_mon = systime.wMonth-1;
+ tmtime.tm_mday = systime.wDay;
+ tmtime.tm_wday = systime.wDayOfWeek;
+ tmtime.tm_hour = systime.wHour;
+ tmtime.tm_min = systime.wMinute;
+ tmtime.tm_sec = systime.wSecond;
+
+ tt = mktime(&tmtime);
+
+ if(timer)
+ *timer = tt;
+
+ return tt;
+}
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////
+// //
+// mktime() //
+// //
+/////////////////////////////////////////////////////////////////////////////////////////////
+
+static int month_to_day[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
+
+time_t mktime(struct tm *t)
+{
+ 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);
+}
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////
+// //
+// 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";
+
+static 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 = {
+ {
+ "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;
+ 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;
+}
+
+
+size_t
+strftime(char * const s, const size_t maxsize, const char * const format, const struct tm * const t)
+{
+ char * p;
+ int warn;
+
+ //tzset();
+
+ 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;
+}
+
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////
+// //
+// gmtime() //
+// //
+/////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+static struct tm mytm;
+
+static int DMonth[13] = { 0,31,59,90,120,151,181,212,243,273,304,334,365 };
+static int monthCodes[12] = { 6, 2, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
+
+
+static int
+calcDayOfWeek(const struct tm* nTM)
+{
+ int day;
+
+ day = (nTM->tm_year%100);
+ day += day/4;
+ day += monthCodes[nTM->tm_mon];
+ day += nTM->tm_mday;
+ while(day>=7)
+ day -= 7;
+
+ return day;
+}
+
+
+static struct tm *
+gmtime(const time_t *timer)
+{
+ unsigned long x = *timer;
+ int imin, ihrs, iday, iyrs;
+ int sec, min, hrs, day, mon, yrs;
+ int lday, qday, jday, mday;
+
+
+ imin = x / 60; // whole minutes since 1/1/70
+ sec = x - (60 * imin); // leftover seconds
+ ihrs = imin / 60; // whole hours since 1/1/70
+ min = imin - 60 * ihrs; // leftover minutes
+ iday = ihrs / 24; // whole days since 1/1/70
+ hrs = ihrs - 24 * iday; // leftover hours
+ iday = iday + 365 + 366; // whole days since 1/1/68
+ lday = iday / (( 4* 365) + 1); // quadyr = 4 yr period = 1461 days
+ qday = iday % (( 4 * 365) + 1); // days since current quadyr began
+ if(qday >= (31 + 29)) // if past feb 29 then
+ lday = lday + 1; // add this quadyr’s leap day to the
+ // # of quadyrs (leap days) since 68
+ iyrs = (iday - lday) / 365; // whole years since 1968
+ jday = iday - (iyrs * 365) - lday; // days since 1 /1 of current year.
+ if(qday <= 365 && qday >= 60) // if past 2/29 and a leap year then
+ jday = jday + 1; // add a leap day to the # of whole
+ // days since 1/1 of current year
+ yrs = iyrs + 1968; // compute year
+ mon = 13; // estimate month ( +1)
+ mday = 366; // max days since 1/1 is 365
+ while(jday < mday) // mday = # of days passed from 1/1
+ { // until first day of current month
+ mon = mon - 1; // mon = month (estimated)
+ mday = DMonth[mon]; // # elapsed days at first of ”mon”
+ if((mon > 2) && (yrs % 4) == 0) // if past 2/29 and leap year then
+ mday = mday + 1; // add leap day
+ // compute month by decrementing
+ } // month until found
+
+ day = jday - mday + 1; // compute day of month
+
+ mytm.tm_sec = sec;
+ mytm.tm_min = min;
+ mytm.tm_hour = hrs;
+ mytm.tm_mday = day;
+ mytm.tm_mon = mon;
+ mytm.tm_year = yrs - 1900;
+
+ mytm.tm_wday = calcDayOfWeek(&mytm);
+ mytm.tm_yday = jday;
+ mytm.tm_isdst = 0;
+
+ return &mytm;
+}
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////
+// //
+// localtime() - simply using gmtime() //
+// //
+/////////////////////////////////////////////////////////////////////////////////////////////
+
+
+struct tm *
+localtime(const time_t *timer)
+{
+ return gmtime(timer);
+}