| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/webpki-0.21.4/src/calendar.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>calendar.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../webpki/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../webpki/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="comment">// Copyright 2015-2016 Brian Smith. |
| // |
| // Permission to use, copy, modify, and/or distribute this software for any |
| // purpose with or without fee is hereby granted, provided that the above |
| // copyright notice and this permission notice appear in all copies. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
| // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
| // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| </span><span class="kw">use super</span>::{time::Time, Error}; |
| |
| <span class="kw">pub fn </span>time_from_ymdhms_utc( |
| year: u64, month: u64, day_of_month: u64, hours: u64, minutes: u64, seconds: u64, |
| ) -> <span class="prelude-ty">Result</span><Time, Error> { |
| <span class="kw">let </span>days_before_year_since_unix_epoch = days_before_year_since_unix_epoch(year)<span class="question-mark">?</span>; |
| |
| <span class="kw">const </span>JAN: u64 = <span class="number">31</span>; |
| <span class="kw">let </span>feb = days_in_feb(year); |
| <span class="kw">const </span>MAR: u64 = <span class="number">31</span>; |
| <span class="kw">const </span>APR: u64 = <span class="number">30</span>; |
| <span class="kw">const </span>MAY: u64 = <span class="number">31</span>; |
| <span class="kw">const </span>JUN: u64 = <span class="number">30</span>; |
| <span class="kw">const </span>JUL: u64 = <span class="number">31</span>; |
| <span class="kw">const </span>AUG: u64 = <span class="number">31</span>; |
| <span class="kw">const </span>SEP: u64 = <span class="number">30</span>; |
| <span class="kw">const </span>OCT: u64 = <span class="number">31</span>; |
| <span class="kw">const </span>NOV: u64 = <span class="number">30</span>; |
| <span class="kw">let </span>days_before_month_in_year = <span class="kw">match </span>month { |
| <span class="number">1 </span>=> <span class="number">0</span>, |
| <span class="number">2 </span>=> JAN, |
| <span class="number">3 </span>=> JAN + feb, |
| <span class="number">4 </span>=> JAN + feb + MAR, |
| <span class="number">5 </span>=> JAN + feb + MAR + APR, |
| <span class="number">6 </span>=> JAN + feb + MAR + APR + MAY, |
| <span class="number">7 </span>=> JAN + feb + MAR + APR + MAY + JUN, |
| <span class="number">8 </span>=> JAN + feb + MAR + APR + MAY + JUN + JUL, |
| <span class="number">9 </span>=> JAN + feb + MAR + APR + MAY + JUN + JUL + AUG, |
| <span class="number">10 </span>=> JAN + feb + MAR + APR + MAY + JUN + JUL + AUG + SEP, |
| <span class="number">11 </span>=> JAN + feb + MAR + APR + MAY + JUN + JUL + AUG + SEP + OCT, |
| <span class="number">12 </span>=> JAN + feb + MAR + APR + MAY + JUN + JUL + AUG + SEP + OCT + NOV, |
| <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), <span class="comment">// `read_two_digits` already bounds-checked it. |
| </span>}; |
| |
| <span class="kw">let </span>days_before = |
| days_before_year_since_unix_epoch + days_before_month_in_year + day_of_month - <span class="number">1</span>; |
| |
| <span class="kw">let </span>seconds_since_unix_epoch = |
| (days_before * <span class="number">24 </span>* <span class="number">60 </span>* <span class="number">60</span>) + (hours * <span class="number">60 </span>* <span class="number">60</span>) + (minutes * <span class="number">60</span>) + seconds; |
| |
| <span class="prelude-val">Ok</span>(Time::from_seconds_since_unix_epoch( |
| seconds_since_unix_epoch, |
| )) |
| } |
| |
| <span class="kw">fn </span>days_before_year_since_unix_epoch(year: u64) -> <span class="prelude-ty">Result</span><u64, Error> { |
| <span class="comment">// We don't support dates before January 1, 1970 because that is the |
| // Unix epoch. It is likely that other software won't deal well with |
| // certificates that have dates before the epoch. |
| </span><span class="kw">if </span>year < <span class="number">1970 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::BadDERTime); |
| } |
| <span class="kw">let </span>days_before_year_ad = days_before_year_ad(year); |
| <span class="macro">debug_assert!</span>(days_before_year_ad >= DAYS_BEFORE_UNIX_EPOCH_AD); |
| <span class="prelude-val">Ok</span>(days_before_year_ad - DAYS_BEFORE_UNIX_EPOCH_AD) |
| } |
| |
| <span class="kw">fn </span>days_before_year_ad(year: u64) -> u64 { |
| ((year - <span class="number">1</span>) * <span class="number">365</span>) |
| + ((year - <span class="number">1</span>) / <span class="number">4</span>) <span class="comment">// leap years are every 4 years, |
| </span>- ((year - <span class="number">1</span>) / <span class="number">100</span>) <span class="comment">// except years divisible by 100, |
| </span>+ ((year - <span class="number">1</span>) / <span class="number">400</span>) <span class="comment">// except years divisible by 400. |
| </span>} |
| |
| <span class="kw">pub fn </span>days_in_month(year: u64, month: u64) -> u64 { |
| <span class="kw">match </span>month { |
| <span class="number">1 </span>| <span class="number">3 </span>| <span class="number">5 </span>| <span class="number">7 </span>| <span class="number">8 </span>| <span class="number">10 </span>| <span class="number">12 </span>=> <span class="number">31</span>, |
| <span class="number">4 </span>| <span class="number">6 </span>| <span class="number">9 </span>| <span class="number">11 </span>=> <span class="number">30</span>, |
| <span class="number">2 </span>=> days_in_feb(year), |
| <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), <span class="comment">// `read_two_digits` already bounds-checked it. |
| </span>} |
| } |
| |
| <span class="kw">fn </span>days_in_feb(year: u64) -> u64 { |
| <span class="kw">if </span>(year % <span class="number">4 </span>== <span class="number">0</span>) && ((year % <span class="number">100 </span>!= <span class="number">0</span>) || (year % <span class="number">400 </span>== <span class="number">0</span>)) { |
| <span class="number">29 |
| </span>} <span class="kw">else </span>{ |
| <span class="number">28 |
| </span>} |
| } |
| |
| <span class="kw">const </span>DAYS_BEFORE_UNIX_EPOCH_AD: u64 = <span class="number">719162</span>; |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_days_before_unix_epoch() { |
| <span class="kw">use super</span>::{days_before_year_ad, DAYS_BEFORE_UNIX_EPOCH_AD}; |
| <span class="macro">assert_eq!</span>(DAYS_BEFORE_UNIX_EPOCH_AD, days_before_year_ad(<span class="number">1970</span>)); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_days_in_month() { |
| <span class="kw">use </span><span class="kw">super</span>::days_in_month; |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">1</span>), <span class="number">31</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">2</span>), <span class="number">28</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">3</span>), <span class="number">31</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">4</span>), <span class="number">30</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">5</span>), <span class="number">31</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">6</span>), <span class="number">30</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">7</span>), <span class="number">31</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">8</span>), <span class="number">31</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">9</span>), <span class="number">30</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">10</span>), <span class="number">31</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">11</span>), <span class="number">30</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2017</span>, <span class="number">12</span>), <span class="number">31</span>); |
| |
| <span class="comment">// leap cases |
| </span><span class="macro">assert_eq!</span>(days_in_month(<span class="number">2000</span>, <span class="number">2</span>), <span class="number">29</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2004</span>, <span class="number">2</span>), <span class="number">29</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2016</span>, <span class="number">2</span>), <span class="number">29</span>); |
| <span class="macro">assert_eq!</span>(days_in_month(<span class="number">2100</span>, <span class="number">2</span>), <span class="number">28</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_time_from_ymdhms_utc() { |
| <span class="kw">use super</span>::{time_from_ymdhms_utc, Time}; |
| |
| <span class="comment">// year boundary |
| </span><span class="macro">assert_eq!</span>( |
| Time::from_seconds_since_unix_epoch(<span class="number">1483228799</span>), |
| time_from_ymdhms_utc(<span class="number">2016</span>, <span class="number">12</span>, <span class="number">31</span>, <span class="number">23</span>, <span class="number">59</span>, <span class="number">59</span>).unwrap() |
| ); |
| <span class="macro">assert_eq!</span>( |
| Time::from_seconds_since_unix_epoch(<span class="number">1483228800</span>), |
| time_from_ymdhms_utc(<span class="number">2017</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>).unwrap() |
| ); |
| |
| <span class="comment">// not a leap year |
| </span><span class="macro">assert_eq!</span>( |
| Time::from_seconds_since_unix_epoch(<span class="number">1492449162</span>), |
| time_from_ymdhms_utc(<span class="number">2017</span>, <span class="number">4</span>, <span class="number">17</span>, <span class="number">17</span>, <span class="number">12</span>, <span class="number">42</span>).unwrap() |
| ); |
| |
| <span class="comment">// leap year, post-feb |
| </span><span class="macro">assert_eq!</span>( |
| Time::from_seconds_since_unix_epoch(<span class="number">1460913162</span>), |
| time_from_ymdhms_utc(<span class="number">2016</span>, <span class="number">4</span>, <span class="number">17</span>, <span class="number">17</span>, <span class="number">12</span>, <span class="number">42</span>).unwrap() |
| ); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="webpki" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
