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sys/unix: inline more single-use functions

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This commit is contained in:
Dirkjan Ochtman 2022-04-12 11:20:45 +02:00
parent e35c0b7b0a
commit 83d479bf10
1 changed files with 47 additions and 57 deletions
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104
src/offset/sys/unix.rs
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@ -34,9 +34,54 @@ pub(super) fn naive_to_local(d: &NaiveDateTime, local: bool) -> DateTime<Local>
/// Converts a `time::Tm` struct into the timezone-aware `DateTime`.
/// This assumes that `time` is working correctly, i.e. any error is fatal.
fn localize(unix: i64, nanos: i32) -> DateTime<Local> {
let mut tm = time_to_local_tm(unix);
tm.tm_nsec = nanos;
let mut tm = Tm {
tm_sec: 0,
tm_min: 0,
tm_hour: 0,
tm_mday: 0,
tm_mon: 0,
tm_year: 0,
tm_wday: 0,
tm_yday: 0,
tm_isdst: 0,
tm_utcoff: 0,
tm_nsec: 0,
};
unsafe {
let mut out = mem::zeroed();
if libc::localtime_r(&(unix as time_t), &mut out).is_null() {
panic!("localtime_r failed: {}", io::Error::last_os_error());
}
#[cfg(any(target_os = "solaris", target_os = "illumos"))]
let gmtoff = {
tzset();
// < 0 means we don't know; assume we're not in DST.
if out.tm_isdst == 0 {
// timezone is seconds west of UTC, tm_gmtoff is seconds east
-timezone
} else if out.tm_isdst > 0 {
-altzone
} else {
-timezone
}
};
#[cfg(not(any(target_os = "solaris", target_os = "illumos")))]
let gmtoff = out.tm_gmtoff;
tm.tm_sec = out.tm_sec;
tm.tm_min = out.tm_min;
tm.tm_hour = out.tm_hour;
tm.tm_mday = out.tm_mday;
tm.tm_mon = out.tm_mon;
tm.tm_year = out.tm_year;
tm.tm_wday = out.tm_wday;
tm.tm_yday = out.tm_yday;
tm.tm_isdst = out.tm_isdst;
tm.tm_utcoff = gmtoff as i32;
}
tm.tm_nsec = nanos;
if tm.tm_sec >= 60 {
tm.tm_nsec += (tm.tm_sec - 59) * 1_000_000_000;
tm.tm_sec = 59;
@ -114,19 +159,6 @@ fn tzset() {
unsafe { tzset() }
}
fn tm_to_rust_tm(tm: &libc::tm, utcoff: i32, rust_tm: &mut Tm) {
rust_tm.tm_sec = tm.tm_sec;
rust_tm.tm_min = tm.tm_min;
rust_tm.tm_hour = tm.tm_hour;
rust_tm.tm_mday = tm.tm_mday;
rust_tm.tm_mon = tm.tm_mon;
rust_tm.tm_year = tm.tm_year;
rust_tm.tm_wday = tm.tm_wday;
rust_tm.tm_yday = tm.tm_yday;
rust_tm.tm_isdst = tm.tm_isdst;
rust_tm.tm_utcoff = utcoff;
}
#[cfg(any(target_os = "nacl", target_os = "solaris", target_os = "illumos"))]
unsafe fn timegm(tm: *mut libc::tm) -> time_t {
use std::env::{remove_var, set_var, var_os};
@ -152,48 +184,6 @@ unsafe fn timegm(tm: *mut libc::tm) -> time_t {
ret
}
fn time_to_local_tm(sec: i64) -> Tm {
let mut tm = Tm {
tm_sec: 0,
tm_min: 0,
tm_hour: 0,
tm_mday: 0,
tm_mon: 0,
tm_year: 0,
tm_wday: 0,
tm_yday: 0,
tm_isdst: 0,
tm_utcoff: 0,
tm_nsec: 0,
};
unsafe {
let sec = sec as time_t;
let mut out = mem::zeroed();
if libc::localtime_r(&sec, &mut out).is_null() {
panic!("localtime_r failed: {}", io::Error::last_os_error());
}
#[cfg(any(target_os = "solaris", target_os = "illumos"))]
let gmtoff = {
tzset();
// < 0 means we don't know; assume we're not in DST.
if out.tm_isdst == 0 {
// timezone is seconds west of UTC, tm_gmtoff is seconds east
-timezone
} else if out.tm_isdst > 0 {
-altzone
} else {
-timezone
}
};
#[cfg(not(any(target_os = "solaris", target_os = "illumos")))]
let gmtoff = out.tm_gmtoff;
tm_to_rust_tm(&out, gmtoff as i32, &mut tm);
}
tm
}
fn utc_naive_to_unix(d: &NaiveDateTime) -> i64 {
#[cfg(not(any(
all(target_os = "android", target_pointer_width = "32"),