From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/chrono/src/sys/unix.rs | 126 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 vendor/chrono/src/sys/unix.rs

(limited to 'vendor/chrono/src/sys/unix.rs')

diff --git a/vendor/chrono/src/sys/unix.rs b/vendor/chrono/src/sys/unix.rs
new file mode 100644
index 000000000..2f845e745
--- /dev/null
+++ b/vendor/chrono/src/sys/unix.rs
@@ -0,0 +1,126 @@
+// 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.
+
+use super::Tm;
+use libc::{self, time_t};
+use std::io;
+use std::mem;
+
+#[cfg(any(target_os = "solaris", target_os = "illumos"))]
+extern "C" {
+    static timezone: time_t;
+    static altzone: time_t;
+}
+
+#[cfg(any(target_os = "solaris", target_os = "illumos"))]
+fn tzset() {
+    extern "C" {
+        fn tzset();
+    }
+    unsafe { tzset() }
+}
+
+fn rust_tm_to_tm(rust_tm: &Tm, tm: &mut libc::tm) {
+    tm.tm_sec = rust_tm.tm_sec;
+    tm.tm_min = rust_tm.tm_min;
+    tm.tm_hour = rust_tm.tm_hour;
+    tm.tm_mday = rust_tm.tm_mday;
+    tm.tm_mon = rust_tm.tm_mon;
+    tm.tm_year = rust_tm.tm_year;
+    tm.tm_wday = rust_tm.tm_wday;
+    tm.tm_yday = rust_tm.tm_yday;
+    tm.tm_isdst = rust_tm.tm_isdst;
+}
+
+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};
+    extern "C" {
+        fn tzset();
+    }
+
+    let ret;
+
+    let current_tz = var_os("TZ");
+    set_var("TZ", "UTC");
+    tzset();
+
+    ret = libc::mktime(tm);
+
+    if let Some(tz) = current_tz {
+        set_var("TZ", tz);
+    } else {
+        remove_var("TZ");
+    }
+    tzset();
+
+    ret
+}
+
+pub fn time_to_local_tm(sec: i64, tm: &mut Tm) {
+    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, tm);
+    }
+}
+
+pub fn utc_tm_to_time(rust_tm: &Tm) -> i64 {
+    #[cfg(not(any(
+        all(target_os = "android", target_pointer_width = "32"),
+        target_os = "nacl",
+        target_os = "solaris",
+        target_os = "illumos"
+    )))]
+    use libc::timegm;
+    #[cfg(all(target_os = "android", target_pointer_width = "32"))]
+    use libc::timegm64 as timegm;
+
+    let mut tm = unsafe { mem::zeroed() };
+    rust_tm_to_tm(rust_tm, &mut tm);
+    unsafe { timegm(&mut tm) as i64 }
+}
+
+pub fn local_tm_to_time(rust_tm: &Tm) -> i64 {
+    let mut tm = unsafe { mem::zeroed() };
+    rust_tm_to_tm(rust_tm, &mut tm);
+    unsafe { libc::mktime(&mut tm) as i64 }
+}
-- 
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