in benchmarks/JetStream2/wasm/gcc-loops.js [4691:4924]
function _strftime(s, maxsize, format, tm) {
var tm_zone = HEAP32[tm + 40 >> 2];
var date = {
tm_sec: HEAP32[tm >> 2],
tm_min: HEAP32[tm + 4 >> 2],
tm_hour: HEAP32[tm + 8 >> 2],
tm_mday: HEAP32[tm + 12 >> 2],
tm_mon: HEAP32[tm + 16 >> 2],
tm_year: HEAP32[tm + 20 >> 2],
tm_wday: HEAP32[tm + 24 >> 2],
tm_yday: HEAP32[tm + 28 >> 2],
tm_isdst: HEAP32[tm + 32 >> 2],
tm_gmtoff: HEAP32[tm + 36 >> 2],
tm_zone: tm_zone ? Pointer_stringify(tm_zone) : ""
};
var pattern = Pointer_stringify(format);
var EXPANSION_RULES_1 = {
"%c": "%a %b %d %H:%M:%S %Y",
"%D": "%m/%d/%y",
"%F": "%Y-%m-%d",
"%h": "%b",
"%r": "%I:%M:%S %p",
"%R": "%H:%M",
"%T": "%H:%M:%S",
"%x": "%m/%d/%y",
"%X": "%H:%M:%S"
};
for (var rule in EXPANSION_RULES_1) {
pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
}
var WEEKDAYS = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
var MONTHS = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
function leadingSomething(value, digits, character) {
var str = typeof value === "number" ? value.toString() : value || "";
while (str.length < digits) {
str = character[0] + str;
}
return str;
}
function leadingNulls(value, digits) {
return leadingSomething(value, digits, "0");
}
function compareByDay(date1, date2) {
function sgn(value) {
return value < 0 ? -1 : value > 0 ? 1 : 0;
}
var compare;
if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
compare = sgn(date1.getDate() - date2.getDate());
}
}
return compare;
}
function getFirstWeekStartDate(janFourth) {
switch (janFourth.getDay()) {
case 0:
return new Date(janFourth.getFullYear() - 1, 11, 29);
case 1:
return janFourth;
case 2:
return new Date(janFourth.getFullYear(), 0, 3);
case 3:
return new Date(janFourth.getFullYear(), 0, 2);
case 4:
return new Date(janFourth.getFullYear(), 0, 1);
case 5:
return new Date(janFourth.getFullYear() - 1, 11, 31);
case 6:
return new Date(janFourth.getFullYear() - 1, 11, 30);
}
}
function getWeekBasedYear(date) {
var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
return thisDate.getFullYear() + 1;
} else {
return thisDate.getFullYear();
}
} else {
return thisDate.getFullYear() - 1;
}
}
var EXPANSION_RULES_2 = {
"%a": (function(date) {
return WEEKDAYS[date.tm_wday].substring(0, 3);
}),
"%A": (function(date) {
return WEEKDAYS[date.tm_wday];
}),
"%b": (function(date) {
return MONTHS[date.tm_mon].substring(0, 3);
}),
"%B": (function(date) {
return MONTHS[date.tm_mon];
}),
"%C": (function(date) {
var year = date.tm_year + 1900;
return leadingNulls(year / 100 | 0, 2);
}),
"%d": (function(date) {
return leadingNulls(date.tm_mday, 2);
}),
"%e": (function(date) {
return leadingSomething(date.tm_mday, 2, " ");
}),
"%g": (function(date) {
return getWeekBasedYear(date).toString().substring(2);
}),
"%G": (function(date) {
return getWeekBasedYear(date);
}),
"%H": (function(date) {
return leadingNulls(date.tm_hour, 2);
}),
"%I": (function(date) {
var twelveHour = date.tm_hour;
if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
return leadingNulls(twelveHour, 2);
}),
"%j": (function(date) {
return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
}),
"%m": (function(date) {
return leadingNulls(date.tm_mon + 1, 2);
}),
"%M": (function(date) {
return leadingNulls(date.tm_min, 2);
}),
"%n": (function() {
return "\n";
}),
"%p": (function(date) {
if (date.tm_hour >= 0 && date.tm_hour < 12) {
return "AM";
} else {
return "PM";
}
}),
"%S": (function(date) {
return leadingNulls(date.tm_sec, 2);
}),
"%t": (function() {
return "\t";
}),
"%u": (function(date) {
var day = new Date(date.tm_year + 1900, date.tm_mon + 1, date.tm_mday, 0, 0, 0, 0);
return day.getDay() || 7;
}),
"%U": (function(date) {
var janFirst = new Date(date.tm_year + 1900, 0, 1);
var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7 - janFirst.getDay());
var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
if (compareByDay(firstSunday, endDate) < 0) {
var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
var firstSundayUntilEndJanuary = 31 - firstSunday.getDate();
var days = firstSundayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
return leadingNulls(Math.ceil(days / 7), 2);
}
return compareByDay(firstSunday, janFirst) === 0 ? "01" : "00";
}),
"%V": (function(date) {
var janFourthThisYear = new Date(date.tm_year + 1900, 0, 4);
var janFourthNextYear = new Date(date.tm_year + 1901, 0, 4);
var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
var endDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
if (compareByDay(endDate, firstWeekStartThisYear) < 0) {
return "53";
}
if (compareByDay(firstWeekStartNextYear, endDate) <= 0) {
return "01";
}
var daysDifference;
if (firstWeekStartThisYear.getFullYear() < date.tm_year + 1900) {
daysDifference = date.tm_yday + 32 - firstWeekStartThisYear.getDate();
} else {
daysDifference = date.tm_yday + 1 - firstWeekStartThisYear.getDate();
}
return leadingNulls(Math.ceil(daysDifference / 7), 2);
}),
"%w": (function(date) {
var day = new Date(date.tm_year + 1900, date.tm_mon + 1, date.tm_mday, 0, 0, 0, 0);
return day.getDay();
}),
"%W": (function(date) {
var janFirst = new Date(date.tm_year, 0, 1);
var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7 - janFirst.getDay() + 1);
var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
if (compareByDay(firstMonday, endDate) < 0) {
var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
var firstMondayUntilEndJanuary = 31 - firstMonday.getDate();
var days = firstMondayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
return leadingNulls(Math.ceil(days / 7), 2);
}
return compareByDay(firstMonday, janFirst) === 0 ? "01" : "00";
}),
"%y": (function(date) {
return (date.tm_year + 1900).toString().substring(2);
}),
"%Y": (function(date) {
return date.tm_year + 1900;
}),
"%z": (function(date) {
var off = date.tm_gmtoff;
var ahead = off >= 0;
off = Math.abs(off) / 60;
off = off / 60 * 100 + off % 60;
return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
}),
"%Z": (function(date) {
return date.tm_zone;
}),
"%%": (function() {
return "%";
})
};
for (var rule in EXPANSION_RULES_2) {
if (pattern.indexOf(rule) >= 0) {
pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
}
}
var bytes = intArrayFromString(pattern, false);
if (bytes.length > maxsize) {
return 0;
}
writeArrayToMemory(bytes, s);
return bytes.length - 1;
}