posix_tz.cpp File Reference

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Namespaces
namespace	esphome
	Providing packet encoding functions for exchanging data with a remote host.
namespace	esphome::time
namespace	esphome::time::internal

Functions
void	esphome::time::set_global_tz (const ParsedTimezone &tz)
	Set the global timezone used by epoch_to_local_tm() when called without a timezone.
const ParsedTimezone &	esphome::time::get_global_tz ()
	Get the global timezone.
bool	esphome::time::internal::is_leap_year (int year)
	Check if a year is a leap year.
int	esphome::time::internal::days_in_month (int year, int month)
	Get the number of days in a month.
int	esphome::time::internal::__attribute__ ((noinline)) day_of_week(int year
	esphome::time::internal::return ((h+6) % 7)
	esphome::time::internal::if (remaining_secs< 0)
	esphome::time::internal::while (days >=(dim=days_in_month(year, month)))
bool	esphome::time::internal::skip_tz_name (const char *&p)
	Skip a timezone name (letters or <...> quoted format)
int32_t	esphome::time::internal::__attribute__ ((noinline)) parse_offset(const char *&p)
	esphome::time::internal::while (out_month<=12)
bool	esphome::time::internal::parse_dst_rule (const char *&p, DSTRule &rule)
	Parse a DST rule in format Mm.w.d[/time], Jn[/time], or n[/time].
	esphome::time::internal::for (int m=1;m< month;m++)
	esphome::time::internal::switch (rule.type)
	esphome::time::if (dst_start< dst_end)
bool	esphome::time::parse_posix_tz (const char *tz_string, ParsedTimezone &result)
	Parse a POSIX TZ string into a ParsedTimezone struct.
void	esphome::time::format_designation (int32_t posix_offset, char *buf, size_t buf_size)
	Format a POSIX offset as "+HHMM"/"-HHMM" into buf (must be >= 6 bytes).
bool	esphome::time::epoch_to_local_tm (time_t utc_epoch, const ParsedTimezone &tz, struct tm *out_tm)
	Convert a UTC epoch to local time using the parsed timezone.
struct tm *	localtime_r (const time_t *timer, struct tm *result)
struct tm *	localtime (const time_t *timer)

Variables
constexpr int	esphome::time::internal::EPOCH_YEAR = 1970
constexpr int	esphome::time::internal::LEAP_YEARS_BEFORE_EPOCH = count_leap_years_up_to(EPOCH_YEAR - 1)
constexpr int	esphome::time::internal::DAYS_PER_YEAR = 365
constexpr int	esphome::time::internal::SECONDS_PER_DAY = 86400
int int	esphome::time::internal::month = 1
int int int	esphome::time::internal::day
int	esphome::time::internal::j = year / 100
int	esphome::time::internal::h = (day + (13 * (month + 1)) / 5 + k + k / 4 + j / 4 - 2 * j) % 7
void struct tm *	esphome::time::internal::out_tm
int32_t	esphome::time::internal::remaining_secs = epoch % SECONDS_PER_DAY
out_tm	esphome::time::internal::tm_sec = remaining_secs % 60
out_tm	esphome::time::internal::tm_min = remaining_secs % 60
out_tm	esphome::time::internal::tm_hour = remaining_secs / 60
out_tm	esphome::time::internal::tm_wday = static_cast<int>((days + 4) % 7)
int	esphome::time::internal::year = days_to_year(days)
out_tm	esphome::time::internal::tm_year = year - 1900
out_tm	esphome::time::internal::tm_yday = static_cast<int>(days)
int	esphome::time::internal::dim
out_tm	esphome::time::internal::tm_mon = month - 1
out_tm	esphome::time::internal::tm_mday = static_cast<int>(days) + 1
out_tm	esphome::time::internal::tm_isdst = 0
void int &	esphome::time::internal::out_month = 1
void int int &	esphome::time::internal::out_day
return	esphome::time::internal::days = days_to_year_start(year) + days_from_year_start(year, month, day)
time_t const DSTRule &	esphome::time::internal::rule
time_t const DSTRule int32_t	esphome::time::internal::base_offset_seconds
bool const ParsedTimezone &	esphome::time::tz
time_t	esphome::time::dst_start = internal::calculate_dst_transition(year, tz.dst_start, tz.std_offset_seconds)
time_t	esphome::time::dst_end = internal::calculate_dst_transition(year, tz.dst_end, tz.dst_offset_seconds)
	esphome::time::else
ESPTime	esphome::time::__attribute__ ((noinline)) RealTimeClock

Function Documentation

localtime()

struct tm * localtime

(

const time_t *

timer

)

Definition at line 501 of file posix_tz.cpp.

localtime_r()

struct tm * localtime_r	(	const time_t *	timer,
		struct tm *	result )

Definition at line 492 of file posix_tz.cpp.