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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/chrono/src/sys.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--vendor/chrono/src/sys.rs126
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diff --git a/vendor/chrono/src/sys.rs b/vendor/chrono/src/sys.rs
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+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Platform wrappers for converting UTC times to and from the local time zone.
+//!
+//! This code was rescued from v0.1 of the time crate, which is no longer
+//! maintained. It has been substantially stripped down to the bare minimum
+//! required by chrono.
+
+use std::time::{SystemTime, UNIX_EPOCH};
+
+#[cfg(any(target_arch = "wasm32", target_env = "sgx"))]
+#[path = "sys/stub.rs"]
+mod inner;
+
+#[cfg(unix)]
+#[path = "sys/unix.rs"]
+mod inner;
+
+#[cfg(windows)]
+#[path = "sys/windows.rs"]
+mod inner;
+
+/// A record specifying a time value in seconds and nanoseconds, where
+/// nanoseconds represent the offset from the given second.
+///
+/// For example a timespec of 1.2 seconds after the beginning of the epoch would
+/// be represented as {sec: 1, nsec: 200000000}.
+pub struct Timespec {
+ pub sec: i64,
+ pub nsec: i32,
+}
+
+impl Timespec {
+ /// Constructs a timespec representing the current time in UTC.
+ pub fn now() -> Timespec {
+ let st =
+ SystemTime::now().duration_since(UNIX_EPOCH).expect("system time before Unix epoch");
+ Timespec { sec: st.as_secs() as i64, nsec: st.subsec_nanos() as i32 }
+ }
+
+ /// Converts this timespec into the system's local time.
+ pub fn local(self) -> 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,
+ };
+ inner::time_to_local_tm(self.sec, &mut tm);
+ tm.tm_nsec = self.nsec;
+ tm
+ }
+}
+
+/// Holds a calendar date and time broken down into its components (year, month,
+/// day, and so on), also called a broken-down time value.
+// FIXME: use c_int instead of i32?
+#[cfg(feature = "clock")]
+#[repr(C)]
+pub struct Tm {
+ /// Seconds after the minute - [0, 60]
+ pub tm_sec: i32,
+
+ /// Minutes after the hour - [0, 59]
+ pub tm_min: i32,
+
+ /// Hours after midnight - [0, 23]
+ pub tm_hour: i32,
+
+ /// Day of the month - [1, 31]
+ pub tm_mday: i32,
+
+ /// Months since January - [0, 11]
+ pub tm_mon: i32,
+
+ /// Years since 1900
+ pub tm_year: i32,
+
+ /// Days since Sunday - [0, 6]. 0 = Sunday, 1 = Monday, ..., 6 = Saturday.
+ pub tm_wday: i32,
+
+ /// Days since January 1 - [0, 365]
+ pub tm_yday: i32,
+
+ /// Daylight Saving Time flag.
+ ///
+ /// This value is positive if Daylight Saving Time is in effect, zero if
+ /// Daylight Saving Time is not in effect, and negative if this information
+ /// is not available.
+ pub tm_isdst: i32,
+
+ /// Identifies the time zone that was used to compute this broken-down time
+ /// value, including any adjustment for Daylight Saving Time. This is the
+ /// number of seconds east of UTC. For example, for U.S. Pacific Daylight
+ /// Time, the value is `-7*60*60 = -25200`.
+ pub tm_utcoff: i32,
+
+ /// Nanoseconds after the second - [0, 10<sup>9</sup> - 1]
+ pub tm_nsec: i32,
+}
+
+impl Tm {
+ /// Convert time to the seconds from January 1, 1970
+ pub fn to_timespec(&self) -> Timespec {
+ let sec = match self.tm_utcoff {
+ 0 => inner::utc_tm_to_time(self),
+ _ => inner::local_tm_to_time(self),
+ };
+ Timespec { sec: sec, nsec: self.tm_nsec }
+ }
+}