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authorNAKAMURA Takumi <geek4civic@gmail.com>2025-01-09 18:43:11 +0900
committerNAKAMURA Takumi <geek4civic@gmail.com>2025-01-09 18:43:11 +0900
commit0e1a753549b29ff1f5a190aca83b803a33b51628 (patch)
treee5578f8810c65711304128d0c8add7fa1f77b9d8 /libc/src/time/time_utils.cpp
parent3c6252260ee11e3a453076b4d96ffffe20d49998 (diff)
parentbdcf47e4bcb92889665825654bb80a8bbe30379e (diff)
downloadllvm-users/chapuni/cov/single/if.zip
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Merge branch 'users/chapuni/cov/single/base' into users/chapuni/cov/single/ifusers/chapuni/cov/single/if
Conflicts: clang/lib/CodeGen/CoverageMappingGen.cpp
Diffstat (limited to 'libc/src/time/time_utils.cpp')
-rw-r--r--libc/src/time/time_utils.cpp53
1 files changed, 26 insertions, 27 deletions
diff --git a/libc/src/time/time_utils.cpp b/libc/src/time/time_utils.cpp
index 509cad8..abc93b8 100644
--- a/libc/src/time/time_utils.cpp
+++ b/libc/src/time/time_utils.cpp
@@ -10,12 +10,11 @@
#include "src/__support/CPP/limits.h" // INT_MIN, INT_MAX
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
+#include "src/time/time_constants.h"
namespace LIBC_NAMESPACE_DECL {
namespace time_utils {
-using LIBC_NAMESPACE::time_utils::TimeConstants;
-
static int64_t computeRemainingYears(int64_t daysPerYears,
int64_t quotientYears,
int64_t *remainingDays) {
@@ -52,36 +51,36 @@ int64_t update_from_seconds(int64_t total_seconds, struct tm *tm) {
(sizeof(time_t) == 4)
? INT_MIN
: INT_MIN * static_cast<int64_t>(
- TimeConstants::NUMBER_OF_SECONDS_IN_LEAP_YEAR);
+ time_constants::NUMBER_OF_SECONDS_IN_LEAP_YEAR);
constexpr time_t time_max =
(sizeof(time_t) == 4)
? INT_MAX
: INT_MAX * static_cast<int64_t>(
- TimeConstants::NUMBER_OF_SECONDS_IN_LEAP_YEAR);
+ time_constants::NUMBER_OF_SECONDS_IN_LEAP_YEAR);
time_t ts = static_cast<time_t>(total_seconds);
if (ts < time_min || ts > time_max)
return time_utils::out_of_range();
int64_t seconds =
- total_seconds - TimeConstants::SECONDS_UNTIL2000_MARCH_FIRST;
- int64_t days = seconds / TimeConstants::SECONDS_PER_DAY;
- int64_t remainingSeconds = seconds % TimeConstants::SECONDS_PER_DAY;
+ total_seconds - time_constants::SECONDS_UNTIL2000_MARCH_FIRST;
+ int64_t days = seconds / time_constants::SECONDS_PER_DAY;
+ int64_t remainingSeconds = seconds % time_constants::SECONDS_PER_DAY;
if (remainingSeconds < 0) {
- remainingSeconds += TimeConstants::SECONDS_PER_DAY;
+ remainingSeconds += time_constants::SECONDS_PER_DAY;
days--;
}
- int64_t wday = (TimeConstants::WEEK_DAY_OF2000_MARCH_FIRST + days) %
- TimeConstants::DAYS_PER_WEEK;
+ int64_t wday = (time_constants::WEEK_DAY_OF2000_MARCH_FIRST + days) %
+ time_constants::DAYS_PER_WEEK;
if (wday < 0)
- wday += TimeConstants::DAYS_PER_WEEK;
+ wday += time_constants::DAYS_PER_WEEK;
// Compute the number of 400 year cycles.
- int64_t numOfFourHundredYearCycles = days / TimeConstants::DAYS_PER400_YEARS;
- int64_t remainingDays = days % TimeConstants::DAYS_PER400_YEARS;
+ int64_t numOfFourHundredYearCycles = days / time_constants::DAYS_PER400_YEARS;
+ int64_t remainingDays = days % time_constants::DAYS_PER400_YEARS;
if (remainingDays < 0) {
- remainingDays += TimeConstants::DAYS_PER400_YEARS;
+ remainingDays += time_constants::DAYS_PER400_YEARS;
numOfFourHundredYearCycles--;
}
@@ -89,17 +88,17 @@ int64_t update_from_seconds(int64_t total_seconds, struct tm *tm) {
// "four hundred year cycles" will be 4 hundred year cycles or less in 400
// years.
int64_t numOfHundredYearCycles = computeRemainingYears(
- TimeConstants::DAYS_PER100_YEARS, 4, &remainingDays);
+ time_constants::DAYS_PER100_YEARS, 4, &remainingDays);
// The remaining number of years after computing the number of
// "hundred year cycles" will be 25 four year cycles or less in 100 years.
- int64_t numOfFourYearCycles =
- computeRemainingYears(TimeConstants::DAYS_PER4_YEARS, 25, &remainingDays);
+ int64_t numOfFourYearCycles = computeRemainingYears(
+ time_constants::DAYS_PER4_YEARS, 25, &remainingDays);
// The remaining number of years after computing the number of
// "four year cycles" will be 4 one year cycles or less in 4 years.
int64_t remainingYears = computeRemainingYears(
- TimeConstants::DAYS_PER_NON_LEAP_YEAR, 4, &remainingDays);
+ time_constants::DAYS_PER_NON_LEAP_YEAR, 4, &remainingDays);
// Calculate number of years from year 2000.
int64_t years = remainingYears + 4 * numOfFourYearCycles +
@@ -112,8 +111,8 @@ int64_t update_from_seconds(int64_t total_seconds, struct tm *tm) {
// We add 31 and 28 for the number of days in January and February, since our
// starting point was March 1st.
int64_t yday = remainingDays + 31 + 28 + leapDay;
- if (yday >= TimeConstants::DAYS_PER_NON_LEAP_YEAR + leapDay)
- yday -= TimeConstants::DAYS_PER_NON_LEAP_YEAR + leapDay;
+ if (yday >= time_constants::DAYS_PER_NON_LEAP_YEAR + leapDay)
+ yday -= time_constants::DAYS_PER_NON_LEAP_YEAR + leapDay;
int64_t months = 0;
while (daysInMonth[months] <= remainingDays) {
@@ -121,8 +120,8 @@ int64_t update_from_seconds(int64_t total_seconds, struct tm *tm) {
months++;
}
- if (months >= TimeConstants::MONTHS_PER_YEAR - 2) {
- months -= TimeConstants::MONTHS_PER_YEAR;
+ if (months >= time_constants::MONTHS_PER_YEAR - 2) {
+ months -= time_constants::MONTHS_PER_YEAR;
years++;
}
@@ -131,19 +130,19 @@ int64_t update_from_seconds(int64_t total_seconds, struct tm *tm) {
// All the data (years, month and remaining days) was calculated from
// March, 2000. Thus adjust the data to be from January, 1900.
- tm->tm_year = static_cast<int>(years + 2000 - TimeConstants::TIME_YEAR_BASE);
+ tm->tm_year = static_cast<int>(years + 2000 - time_constants::TIME_YEAR_BASE);
tm->tm_mon = static_cast<int>(months + 2);
tm->tm_mday = static_cast<int>(remainingDays + 1);
tm->tm_wday = static_cast<int>(wday);
tm->tm_yday = static_cast<int>(yday);
tm->tm_hour =
- static_cast<int>(remainingSeconds / TimeConstants::SECONDS_PER_HOUR);
+ static_cast<int>(remainingSeconds / time_constants::SECONDS_PER_HOUR);
tm->tm_min =
- static_cast<int>(remainingSeconds / TimeConstants::SECONDS_PER_MIN %
- TimeConstants::SECONDS_PER_MIN);
+ static_cast<int>(remainingSeconds / time_constants::SECONDS_PER_MIN %
+ time_constants::SECONDS_PER_MIN);
tm->tm_sec =
- static_cast<int>(remainingSeconds % TimeConstants::SECONDS_PER_MIN);
+ static_cast<int>(remainingSeconds % time_constants::SECONDS_PER_MIN);
// TODO(rtenneti): Need to handle timezone and update of tm_isdst.
tm->tm_isdst = 0;