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</pre><pre class='rust '>
<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>allow</span>(<span class='ident'>bad_style</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>inner</span>::<span class='kw-2'>*</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"redox"</span>)]</span>
<span class='kw'>mod</span> <span class='ident'>inner</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>::<span class='ident'>Ordering</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Sub</span>};
<span class='kw'>use</span> <span class='ident'>syscall</span>;
<span class='kw'>use</span> <span class='ident'>Duration</span>;
<span class='kw'>use</span> <span class='ident'>Tm</span>;
<span class='kw'>fn</span> <span class='ident'>time_to_tm</span>(<span class='ident'>ts</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='kw'>let</span> <span class='ident'>leapyear</span> <span class='op'>=</span> <span class='op'>|</span><span class='ident'>year</span><span class='op'>|</span> <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>4</span> <span class='op'>==</span> <span class='number'>0</span> <span class='op'>&&</span> (<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>100</span> <span class='op'>!=</span> <span class='number'>0</span> <span class='op'>||</span> <span class='ident'>year</span> <span class='op'>%</span> <span class='number'>400</span> <span class='op'>==</span> <span class='number'>0</span>)
};
<span class='kw'>static</span> <span class='ident'>_ytab</span>: [[<span class='ident'>i64</span>; <span class='number'>12</span>]; <span class='number'>2</span>] <span class='op'>=</span> [
[ <span class='number'>31</span>, <span class='number'>28</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span> ],
[ <span class='number'>31</span>, <span class='number'>29</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span>, <span class='number'>30</span>, <span class='number'>31</span> ]
];
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>year</span> <span class='op'>=</span> <span class='number'>1970</span>;
<span class='kw'>let</span> <span class='ident'>dayclock</span> <span class='op'>=</span> <span class='ident'>ts</span> <span class='op'>%</span> <span class='number'>86400</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>dayno</span> <span class='op'>=</span> <span class='ident'>ts</span> <span class='op'>/</span> <span class='number'>86400</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_sec</span> <span class='op'>=</span> (<span class='ident'>dayclock</span> <span class='op'>%</span> <span class='number'>60</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_min</span> <span class='op'>=</span> ((<span class='ident'>dayclock</span> <span class='op'>%</span> <span class='number'>3600</span>) <span class='op'>/</span> <span class='number'>60</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_hour</span> <span class='op'>=</span> (<span class='ident'>dayclock</span> <span class='op'>/</span> <span class='number'>3600</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_wday</span> <span class='op'>=</span> ((<span class='ident'>dayno</span> <span class='op'>+</span> <span class='number'>4</span>) <span class='op'>%</span> <span class='number'>7</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='kw'>loop</span> {
<span class='kw'>let</span> <span class='ident'>yearsize</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>leapyear</span>(<span class='ident'>year</span>) {
<span class='number'>366</span>
} <span class='kw'>else</span> {
<span class='number'>365</span>
};
<span class='kw'>if</span> <span class='ident'>dayno</span> <span class='op'>>=</span> <span class='ident'>yearsize</span> {
<span class='ident'>dayno</span> <span class='op'>-=</span> <span class='ident'>yearsize</span>;
<span class='ident'>year</span> <span class='op'>+=</span> <span class='number'>1</span>;
} <span class='kw'>else</span> {
<span class='kw'>break</span>;
}
}
<span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>=</span> (<span class='ident'>year</span> <span class='op'>-</span> <span class='number'>1900</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>=</span> <span class='ident'>dayno</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>mon</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>while</span> <span class='ident'>dayno</span> <span class='op'>>=</span> <span class='ident'>_ytab</span>[<span class='kw'>if</span> <span class='ident'>leapyear</span>(<span class='ident'>year</span>) { <span class='number'>1</span> } <span class='kw'>else</span> { <span class='number'>0</span> }][<span class='ident'>mon</span>] {
<span class='ident'>dayno</span> <span class='op'>-=</span> <span class='ident'>_ytab</span>[<span class='kw'>if</span> <span class='ident'>leapyear</span>(<span class='ident'>year</span>) { <span class='number'>1</span> } <span class='kw'>else</span> { <span class='number'>0</span> }][<span class='ident'>mon</span>];
<span class='ident'>mon</span> <span class='op'>+=</span> <span class='number'>1</span>;
}
<span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='op'>=</span> <span class='ident'>mon</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_mday</span> <span class='op'>=</span> <span class='ident'>dayno</span> <span class='kw'>as</span> <span class='ident'>i32</span> <span class='op'>+</span> <span class='number'>1</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_isdst</span> <span class='op'>=</span> <span class='number'>0</span>;
}
<span class='kw'>fn</span> <span class='ident'>tm_to_time</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>y</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>+</span> <span class='number'>1900</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>m</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>+</span> <span class='number'>1</span>;
<span class='kw'>if</span> <span class='ident'>m</span> <span class='op'><=</span> <span class='number'>2</span> {
<span class='ident'>y</span> <span class='op'>-=</span> <span class='number'>1</span>;
<span class='ident'>m</span> <span class='op'>+=</span> <span class='number'>12</span>;
}
<span class='kw'>let</span> <span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_mday</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
<span class='kw'>let</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_hour</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
<span class='kw'>let</span> <span class='ident'>mi</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_min</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
<span class='kw'>let</span> <span class='ident'>s</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
(<span class='number'>365</span><span class='kw-2'>*</span><span class='ident'>y</span> <span class='op'>+</span> <span class='ident'>y</span><span class='op'>/</span><span class='number'>4</span> <span class='op'>-</span> <span class='ident'>y</span><span class='op'>/</span><span class='number'>100</span> <span class='op'>+</span> <span class='ident'>y</span><span class='op'>/</span><span class='number'>400</span> <span class='op'>+</span> <span class='number'>3</span><span class='kw-2'>*</span>(<span class='ident'>m</span><span class='op'>+</span><span class='number'>1</span>)<span class='op'>/</span><span class='number'>5</span> <span class='op'>+</span> <span class='number'>30</span><span class='kw-2'>*</span><span class='ident'>m</span> <span class='op'>+</span> <span class='ident'>d</span> <span class='op'>-</span> <span class='number'>719561</span>)
<span class='op'>*</span> <span class='number'>86400</span> <span class='op'>+</span> <span class='number'>3600</span> <span class='op'>*</span> <span class='ident'>h</span> <span class='op'>+</span> <span class='number'>60</span> <span class='op'>*</span> <span class='ident'>mi</span> <span class='op'>+</span> <span class='ident'>s</span>
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>time_to_utc_tm</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='ident'>time_to_tm</span>(<span class='ident'>sec</span>, <span class='ident'>tm</span>);
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>time_to_local_tm</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='comment'>// FIXME: Add timezone logic</span>
<span class='ident'>time_to_tm</span>(<span class='ident'>sec</span>, <span class='ident'>tm</span>);
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>utc_tm_to_time</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='ident'>tm_to_time</span>(<span class='ident'>tm</span>)
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>local_tm_to_time</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='comment'>// FIXME: Add timezone logic</span>
<span class='ident'>tm_to_time</span>(<span class='ident'>tm</span>)
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_time</span>() <span class='op'>-></span> (<span class='ident'>i64</span>, <span class='ident'>i32</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tv</span> <span class='op'>=</span> <span class='ident'>syscall</span>::<span class='ident'>TimeSpec</span> { <span class='ident'>tv_sec</span>: <span class='number'>0</span>, <span class='ident'>tv_nsec</span>: <span class='number'>0</span> };
<span class='ident'>syscall</span>::<span class='ident'>clock_gettime</span>(<span class='ident'>syscall</span>::<span class='ident'>CLOCK_REALTIME</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tv</span>).<span class='ident'>unwrap</span>();
(<span class='ident'>tv</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>, <span class='ident'>tv</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i32</span>)
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_precise_ns</span>() <span class='op'>-></span> <span class='ident'>u64</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ts</span> <span class='op'>=</span> <span class='ident'>syscall</span>::<span class='ident'>TimeSpec</span> { <span class='ident'>tv_sec</span>: <span class='number'>0</span>, <span class='ident'>tv_nsec</span>: <span class='number'>0</span> };
<span class='ident'>syscall</span>::<span class='ident'>clock_gettime</span>(<span class='ident'>syscall</span>::<span class='ident'>CLOCK_MONOTONIC</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ts</span>).<span class='ident'>unwrap</span>();
(<span class='ident'>ts</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>u64</span>) <span class='op'>*</span> <span class='number'>1000000000</span> <span class='op'>+</span> (<span class='ident'>ts</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>u64</span>)
}
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Copy</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SteadyTime</span> {
<span class='ident'>t</span>: <span class='ident'>syscall</span>::<span class='ident'>TimeSpec</span>,
}
<span class='kw'>impl</span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>fmt</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"SteadyTime {{ tv_sec: {:?}, tv_nsec: {:?} }}"</span>,
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span>, <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>)
}
}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='ident'>SteadyTime</span> { <span class='ident'>t</span>: <span class='self'>self</span>.<span class='ident'>t</span> }
}
}
<span class='kw'>impl</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>now</span>() <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span> {
<span class='ident'>t</span>: <span class='ident'>syscall</span>::<span class='ident'>TimeSpec</span> {
<span class='ident'>tv_sec</span>: <span class='number'>0</span>,
<span class='ident'>tv_nsec</span>: <span class='number'>0</span>,
}
};
<span class='ident'>syscall</span>::<span class='ident'>clock_gettime</span>(<span class='ident'>syscall</span>::<span class='ident'>CLOCK_MONOTONIC</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>t</span>.<span class='ident'>t</span>).<span class='ident'>unwrap</span>();
<span class='ident'>t</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>Duration</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>Duration</span> {
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>>=</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> {
<span class='ident'>Duration</span>::<span class='ident'>seconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>) <span class='op'>+</span>
<span class='ident'>Duration</span>::<span class='ident'>nanoseconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span>)
} <span class='kw'>else</span> {
<span class='ident'>Duration</span>::<span class='ident'>seconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='number'>1</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>) <span class='op'>+</span>
<span class='ident'>Duration</span>::<span class='ident'>nanoseconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>+</span> ::<span class='ident'>NSEC_PER_SEC</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span>
<span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span>)
}
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='self'>self</span> <span class='op'>+</span> <span class='op'>-</span><span class='ident'>other</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Add</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>add</span>(<span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='kw'>let</span> <span class='ident'>seconds</span> <span class='op'>=</span> <span class='ident'>other</span>.<span class='ident'>num_seconds</span>();
<span class='kw'>let</span> <span class='ident'>nanoseconds</span> <span class='op'>=</span> <span class='ident'>other</span> <span class='op'>-</span> <span class='ident'>Duration</span>::<span class='ident'>seconds</span>(<span class='ident'>seconds</span>);
<span class='kw'>let</span> <span class='ident'>nanoseconds</span> <span class='op'>=</span> <span class='ident'>nanoseconds</span>.<span class='ident'>num_nanoseconds</span>().<span class='ident'>unwrap</span>();
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>+=</span> <span class='ident'>seconds</span>;
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>+=</span> <span class='ident'>nanoseconds</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>>=</span> ::<span class='ident'>NSEC_PER_SEC</span> {
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>-=</span> ::<span class='ident'>NSEC_PER_SEC</span>;
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>+=</span> <span class='number'>1</span>;
} <span class='kw'>else</span> <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'><</span> <span class='number'>0</span> {
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>-=</span> <span class='number'>1</span>;
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>+=</span> ::<span class='ident'>NSEC_PER_SEC</span>;
}
<span class='self'>self</span>
}
}
<span class='kw'>impl</span> <span class='ident'>PartialOrd</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>partial_cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Ordering</span><span class='op'>></span> {
<span class='prelude-val'>Some</span>(<span class='self'>self</span>.<span class='ident'>cmp</span>(<span class='ident'>other</span>))
}
}
<span class='kw'>impl</span> <span class='ident'>Ord</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>Ordering</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span>) {
<span class='ident'>Ordering</span>::<span class='ident'>Equal</span> <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>),
<span class='ident'>ord</span> <span class='op'>=></span> <span class='ident'>ord</span>
}
}
}
<span class='kw'>impl</span> <span class='ident'>PartialEq</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>eq</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>==</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>&&</span>
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>==</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Eq</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>unix</span>)]</span>
<span class='kw'>mod</span> <span class='ident'>inner</span> {
<span class='kw'>use</span> <span class='ident'>libc</span>::{<span class='self'>self</span>, <span class='ident'>time_t</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>mem</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>;
<span class='kw'>use</span> <span class='ident'>Tm</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"macos"</span>, <span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"ios"</span>))]</span>
<span class='kw'>pub</span> <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>mac</span>::<span class='kw-2'>*</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"macos"</span>), <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"ios"</span>)))]</span>
<span class='kw'>pub</span> <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>unix</span>::<span class='kw-2'>*</span>;
<span class='kw'>fn</span> <span class='ident'>rust_tm_to_tm</span>(<span class='ident'>rust_tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>libc</span>::<span class='ident'>tm</span>) {
<span class='ident'>tm</span>.<span class='ident'>tm_sec</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_sec</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_min</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_min</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_hour</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_hour</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_mday</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_mday</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_mon</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_year</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_wday</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_wday</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_yday</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_isdst</span> <span class='op'>=</span> <span class='ident'>rust_tm</span>.<span class='ident'>tm_isdst</span>;
}
<span class='kw'>fn</span> <span class='ident'>tm_to_rust_tm</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>libc</span>::<span class='ident'>tm</span>, <span class='ident'>utcoff</span>: <span class='ident'>i32</span>, <span class='ident'>rust_tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='ident'>rust_tm</span>.<span class='ident'>tm_sec</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_sec</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_min</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_min</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_hour</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_hour</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_mday</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_mday</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_mon</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_mon</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_year</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_year</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_wday</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_wday</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_yday</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_yday</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_isdst</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_isdst</span>;
<span class='ident'>rust_tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>=</span> <span class='ident'>utcoff</span>;
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"nacl"</span>)]</span>
<span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>timegm</span>(<span class='ident'>tm</span>: <span class='kw-2'>*</span><span class='kw'>const</span> <span class='ident'>libc</span>::<span class='ident'>tm</span>) <span class='op'>-></span> <span class='ident'>time_t</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>env</span>::{<span class='ident'>set_var</span>, <span class='ident'>var_os</span>, <span class='ident'>remove_var</span>};
<span class='kw'>extern</span> {
<span class='kw'>fn</span> <span class='ident'>tzset</span>();
}
<span class='kw'>let</span> <span class='ident'>ret</span>;
<span class='kw'>let</span> <span class='ident'>current_tz</span> <span class='op'>=</span> <span class='ident'>var_os</span>(<span class='string'>"TZ"</span>);
<span class='ident'>set_var</span>(<span class='string'>"TZ"</span>, <span class='string'>"UTC"</span>);
<span class='ident'>tzset</span>();
<span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>libc</span>::<span class='ident'>mktime</span>(<span class='ident'>tm</span>);
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>tz</span>) <span class='op'>=</span> <span class='ident'>current_tz</span> {
<span class='ident'>set_var</span>(<span class='string'>"TZ"</span>, <span class='ident'>tz</span>);
} <span class='kw'>else</span> {
<span class='ident'>remove_var</span>(<span class='string'>"TZ"</span>);
}
<span class='ident'>tzset</span>();
<span class='ident'>ret</span>
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>time_to_utc_tm</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='ident'>sec</span> <span class='op'>=</span> <span class='ident'>sec</span> <span class='kw'>as</span> <span class='ident'>time_t</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>out</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='kw'>if</span> <span class='ident'>libc</span>::<span class='ident'>gmtime_r</span>(<span class='kw-2'>&</span><span class='ident'>sec</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>).<span class='ident'>is_null</span>() {
<span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>"gmtime_r failed: {}"</span>, <span class='ident'>io</span>::<span class='ident'>Error</span>::<span class='ident'>last_os_error</span>());
}
<span class='ident'>tm_to_rust_tm</span>(<span class='kw-2'>&</span><span class='ident'>out</span>, <span class='number'>0</span>, <span class='ident'>tm</span>);
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>time_to_local_tm</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='ident'>sec</span> <span class='op'>=</span> <span class='ident'>sec</span> <span class='kw'>as</span> <span class='ident'>time_t</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>out</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='kw'>if</span> <span class='ident'>libc</span>::<span class='ident'>localtime_r</span>(<span class='kw-2'>&</span><span class='ident'>sec</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>).<span class='ident'>is_null</span>() {
<span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>"localtime_r failed: {}"</span>, <span class='ident'>io</span>::<span class='ident'>Error</span>::<span class='ident'>last_os_error</span>());
}
<span class='ident'>tm_to_rust_tm</span>(<span class='kw-2'>&</span><span class='ident'>out</span>, <span class='ident'>out</span>.<span class='ident'>tm_gmtoff</span> <span class='kw'>as</span> <span class='ident'>i32</span>, <span class='ident'>tm</span>);
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>utc_tm_to_time</span>(<span class='ident'>rust_tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"android"</span>, <span class='ident'>not</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"aarch64"</span>)))]</span>
<span class='kw'>use</span> <span class='ident'>libc</span>::<span class='ident'>timegm64</span> <span class='kw'>as</span> <span class='ident'>timegm</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>not</span>(<span class='ident'>all</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"android"</span>, <span class='ident'>not</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"aarch64"</span>))))]</span>
<span class='kw'>use</span> <span class='ident'>libc</span>::<span class='ident'>timegm</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tm</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>mem</span>::<span class='ident'>zeroed</span>() };
<span class='ident'>rust_tm_to_tm</span>(<span class='ident'>rust_tm</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tm</span>);
<span class='kw'>unsafe</span> { <span class='ident'>timegm</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tm</span>) <span class='kw'>as</span> <span class='ident'>i64</span> }
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>local_tm_to_time</span>(<span class='ident'>rust_tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tm</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>mem</span>::<span class='ident'>zeroed</span>() };
<span class='ident'>rust_tm_to_tm</span>(<span class='ident'>rust_tm</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tm</span>);
<span class='kw'>unsafe</span> { <span class='ident'>libc</span>::<span class='ident'>mktime</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tm</span>) <span class='kw'>as</span> <span class='ident'>i64</span> }
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"macos"</span>, <span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"ios"</span>))]</span>
<span class='kw'>mod</span> <span class='ident'>mac</span> {
<span class='kw'>use</span> <span class='ident'>libc</span>::{<span class='self'>self</span>, <span class='ident'>timeval</span>, <span class='ident'>mach_timebase_info</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>sync</span>::{<span class='ident'>Once</span>, <span class='ident'>ONCE_INIT</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Sub</span>};
<span class='kw'>use</span> <span class='ident'>Duration</span>;
<span class='kw'>fn</span> <span class='ident'>info</span>() <span class='op'>-></span> <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>mach_timebase_info</span> {
<span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>INFO</span>: <span class='ident'>mach_timebase_info</span> <span class='op'>=</span> <span class='ident'>mach_timebase_info</span> {
<span class='ident'>numer</span>: <span class='number'>0</span>,
<span class='ident'>denom</span>: <span class='number'>0</span>,
};
<span class='kw'>static</span> <span class='ident'>ONCE</span>: <span class='ident'>Once</span> <span class='op'>=</span> <span class='ident'>ONCE_INIT</span>;
<span class='kw'>unsafe</span> {
<span class='ident'>ONCE</span>.<span class='ident'>call_once</span>(<span class='op'>||</span> {
<span class='ident'>mach_timebase_info</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>INFO</span>);
});
<span class='kw-2'>&</span><span class='ident'>INFO</span>
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_time</span>() <span class='op'>-></span> (<span class='ident'>i64</span>, <span class='ident'>i32</span>) {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ptr</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tv</span> <span class='op'>=</span> <span class='ident'>timeval</span> { <span class='ident'>tv_sec</span>: <span class='number'>0</span>, <span class='ident'>tv_usec</span>: <span class='number'>0</span> };
<span class='kw'>unsafe</span> { <span class='ident'>libc</span>::<span class='ident'>gettimeofday</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tv</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>()); }
(<span class='ident'>tv</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>, <span class='ident'>tv</span>.<span class='ident'>tv_usec</span> <span class='op'>*</span> <span class='number'>1000</span>)
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_precise_ns</span>() <span class='op'>-></span> <span class='ident'>u64</span> {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='ident'>time</span> <span class='op'>=</span> <span class='ident'>libc</span>::<span class='ident'>mach_absolute_time</span>();
<span class='kw'>let</span> <span class='ident'>info</span> <span class='op'>=</span> <span class='ident'>info</span>();
<span class='ident'>time</span> <span class='op'>*</span> <span class='ident'>info</span>.<span class='ident'>numer</span> <span class='kw'>as</span> <span class='ident'>u64</span> <span class='op'>/</span> <span class='ident'>info</span>.<span class='ident'>denom</span> <span class='kw'>as</span> <span class='ident'>u64</span>
}
}
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>, <span class='ident'>Copy</span>, <span class='ident'>PartialOrd</span>, <span class='ident'>Ord</span>, <span class='ident'>PartialEq</span>, <span class='ident'>Eq</span>, <span class='ident'>Debug</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SteadyTime</span> { <span class='ident'>t</span>: <span class='ident'>u64</span> }
<span class='kw'>impl</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>now</span>() <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='ident'>SteadyTime</span> { <span class='ident'>t</span>: <span class='ident'>get_precise_ns</span>() }
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>Duration</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>Duration</span> {
<span class='ident'>Duration</span>::<span class='ident'>nanoseconds</span>(<span class='self'>self</span>.<span class='ident'>t</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span> <span class='kw'>as</span> <span class='ident'>i64</span>)
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='self'>self</span> <span class='op'>+</span> <span class='op'>-</span><span class='ident'>other</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Add</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>add</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='kw'>let</span> <span class='ident'>delta</span> <span class='op'>=</span> <span class='ident'>other</span>.<span class='ident'>num_nanoseconds</span>().<span class='ident'>unwrap</span>();
<span class='ident'>SteadyTime</span> {
<span class='ident'>t</span>: (<span class='self'>self</span>.<span class='ident'>t</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>+</span> <span class='ident'>delta</span>) <span class='kw'>as</span> <span class='ident'>u64</span>
}
}
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>TzReset</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_los_angeles_time_zone</span>() <span class='op'>-></span> <span class='ident'>TzReset</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>env</span>;
<span class='ident'>env</span>::<span class='ident'>set_var</span>(<span class='string'>"TZ"</span>, <span class='string'>"America/Los_Angeles"</span>);
::<span class='ident'>tzset</span>();
<span class='ident'>TzReset</span>
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_london_with_dst_time_zone</span>() <span class='op'>-></span> <span class='ident'>TzReset</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>env</span>;
<span class='ident'>env</span>::<span class='ident'>set_var</span>(<span class='string'>"TZ"</span>, <span class='string'>"Europe/London"</span>);
::<span class='ident'>tzset</span>();
<span class='ident'>TzReset</span>
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"macos"</span>), <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"ios"</span>)))]</span>
<span class='kw'>mod</span> <span class='ident'>unix</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>::<span class='ident'>Ordering</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Sub</span>};
<span class='kw'>use</span> <span class='ident'>libc</span>;
<span class='kw'>use</span> <span class='ident'>Duration</span>;
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_time</span>() <span class='op'>-></span> (<span class='ident'>i64</span>, <span class='ident'>i32</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tv</span> <span class='op'>=</span> <span class='ident'>libc</span>::<span class='ident'>timespec</span> { <span class='ident'>tv_sec</span>: <span class='number'>0</span>, <span class='ident'>tv_nsec</span>: <span class='number'>0</span> };
<span class='kw'>unsafe</span> { <span class='ident'>libc</span>::<span class='ident'>clock_gettime</span>(<span class='ident'>libc</span>::<span class='ident'>CLOCK_REALTIME</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tv</span>); }
(<span class='ident'>tv</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>, <span class='ident'>tv</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i32</span>)
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_precise_ns</span>() <span class='op'>-></span> <span class='ident'>u64</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ts</span> <span class='op'>=</span> <span class='ident'>libc</span>::<span class='ident'>timespec</span> { <span class='ident'>tv_sec</span>: <span class='number'>0</span>, <span class='ident'>tv_nsec</span>: <span class='number'>0</span> };
<span class='kw'>unsafe</span> {
<span class='ident'>libc</span>::<span class='ident'>clock_gettime</span>(<span class='ident'>libc</span>::<span class='ident'>CLOCK_MONOTONIC</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ts</span>);
}
(<span class='ident'>ts</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>u64</span>) <span class='op'>*</span> <span class='number'>1000000000</span> <span class='op'>+</span> (<span class='ident'>ts</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>u64</span>)
}
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Copy</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SteadyTime</span> {
<span class='ident'>t</span>: <span class='ident'>libc</span>::<span class='ident'>timespec</span>,
}
<span class='kw'>impl</span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>fmt</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"SteadyTime {{ tv_sec: {:?}, tv_nsec: {:?} }}"</span>,
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span>, <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>)
}
}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='ident'>SteadyTime</span> { <span class='ident'>t</span>: <span class='self'>self</span>.<span class='ident'>t</span> }
}
}
<span class='kw'>impl</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>now</span>() <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span> {
<span class='ident'>t</span>: <span class='ident'>libc</span>::<span class='ident'>timespec</span> {
<span class='ident'>tv_sec</span>: <span class='number'>0</span>,
<span class='ident'>tv_nsec</span>: <span class='number'>0</span>,
}
};
<span class='kw'>unsafe</span> {
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0</span>, <span class='ident'>libc</span>::<span class='ident'>clock_gettime</span>(<span class='ident'>libc</span>::<span class='ident'>CLOCK_MONOTONIC</span>,
<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>t</span>.<span class='ident'>t</span>));
}
<span class='ident'>t</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>Duration</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>Duration</span> {
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>>=</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> {
<span class='ident'>Duration</span>::<span class='ident'>seconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>) <span class='op'>+</span>
<span class='ident'>Duration</span>::<span class='ident'>nanoseconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span>)
} <span class='kw'>else</span> {
<span class='ident'>Duration</span>::<span class='ident'>seconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='number'>1</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='kw'>as</span> <span class='ident'>i64</span>) <span class='op'>+</span>
<span class='ident'>Duration</span>::<span class='ident'>nanoseconds</span>(<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>+</span> ::<span class='ident'>NSEC_PER_SEC</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span>
<span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='kw'>as</span> <span class='ident'>i64</span>)
}
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='self'>self</span> <span class='op'>+</span> <span class='op'>-</span><span class='ident'>other</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Add</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>add</span>(<span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='kw'>let</span> <span class='ident'>seconds</span> <span class='op'>=</span> <span class='ident'>other</span>.<span class='ident'>num_seconds</span>();
<span class='kw'>let</span> <span class='ident'>nanoseconds</span> <span class='op'>=</span> <span class='ident'>other</span> <span class='op'>-</span> <span class='ident'>Duration</span>::<span class='ident'>seconds</span>(<span class='ident'>seconds</span>);
<span class='kw'>let</span> <span class='ident'>nanoseconds</span> <span class='op'>=</span> <span class='ident'>nanoseconds</span>.<span class='ident'>num_nanoseconds</span>().<span class='ident'>unwrap</span>();
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>+=</span> <span class='ident'>seconds</span> <span class='kw'>as</span> <span class='ident'>libc</span>::<span class='ident'>time_t</span>;
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>+=</span> <span class='ident'>nanoseconds</span> <span class='kw'>as</span> <span class='ident'>libc</span>::<span class='ident'>c_long</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>>=</span> ::<span class='ident'>NSEC_PER_SEC</span> <span class='kw'>as</span> <span class='ident'>libc</span>::<span class='ident'>c_long</span> {
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>-=</span> ::<span class='ident'>NSEC_PER_SEC</span> <span class='kw'>as</span> <span class='ident'>libc</span>::<span class='ident'>c_long</span>;
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>+=</span> <span class='number'>1</span>;
} <span class='kw'>else</span> <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'><</span> <span class='number'>0</span> {
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>-=</span> <span class='number'>1</span>;
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>+=</span> ::<span class='ident'>NSEC_PER_SEC</span> <span class='kw'>as</span> <span class='ident'>libc</span>::<span class='ident'>c_long</span>;
}
<span class='self'>self</span>
}
}
<span class='kw'>impl</span> <span class='ident'>PartialOrd</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>partial_cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Ordering</span><span class='op'>></span> {
<span class='prelude-val'>Some</span>(<span class='self'>self</span>.<span class='ident'>cmp</span>(<span class='ident'>other</span>))
}
}
<span class='kw'>impl</span> <span class='ident'>Ord</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>Ordering</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span>) {
<span class='ident'>Ordering</span>::<span class='ident'>Equal</span> <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>),
<span class='ident'>ord</span> <span class='op'>=></span> <span class='ident'>ord</span>
}
}
}
<span class='kw'>impl</span> <span class='ident'>PartialEq</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>fn</span> <span class='ident'>eq</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>==</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_sec</span> <span class='op'>&&</span>
<span class='self'>self</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span> <span class='op'>==</span> <span class='ident'>other</span>.<span class='ident'>t</span>.<span class='ident'>tv_nsec</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Eq</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {}
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>windows</span>)]</span>
<span class='attribute'>#[<span class='ident'>allow</span>(<span class='ident'>non_snake_case</span>)]</span>
<span class='kw'>mod</span> <span class='ident'>inner</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>mem</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>sync</span>::{<span class='ident'>Once</span>, <span class='ident'>ONCE_INIT</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Sub</span>};
<span class='kw'>use</span> {<span class='ident'>Tm</span>, <span class='ident'>Duration</span>};
<span class='kw'>use</span> <span class='ident'>kernel32</span>::<span class='kw-2'>*</span>;
<span class='kw'>use</span> <span class='ident'>winapi</span>::<span class='kw-2'>*</span>;
<span class='kw'>fn</span> <span class='ident'>frequency</span>() <span class='op'>-></span> <span class='ident'>LARGE_INTEGER</span> {
<span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>FREQUENCY</span>: <span class='ident'>LARGE_INTEGER</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>static</span> <span class='ident'>ONCE</span>: <span class='ident'>Once</span> <span class='op'>=</span> <span class='ident'>ONCE_INIT</span>;
<span class='kw'>unsafe</span> {
<span class='ident'>ONCE</span>.<span class='ident'>call_once</span>(<span class='op'>||</span> {
<span class='ident'>QueryPerformanceFrequency</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>FREQUENCY</span>);
});
<span class='ident'>FREQUENCY</span>
}
}
<span class='kw'>const</span> <span class='ident'>HECTONANOSECS_IN_SEC</span>: <span class='ident'>i64</span> <span class='op'>=</span> <span class='number'>10_000_000</span>;
<span class='kw'>const</span> <span class='ident'>HECTONANOSEC_TO_UNIX_EPOCH</span>: <span class='ident'>i64</span> <span class='op'>=</span> <span class='number'>11_644_473_600</span> <span class='op'>*</span> <span class='ident'>HECTONANOSECS_IN_SEC</span>;
<span class='kw'>fn</span> <span class='ident'>time_to_file_time</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>) <span class='op'>-></span> <span class='ident'>FILETIME</span> {
<span class='kw'>let</span> <span class='ident'>t</span> <span class='op'>=</span> (((<span class='ident'>sec</span> <span class='op'>*</span> <span class='ident'>HECTONANOSECS_IN_SEC</span>) <span class='op'>+</span> <span class='ident'>HECTONANOSEC_TO_UNIX_EPOCH</span>)) <span class='kw'>as</span> <span class='ident'>u64</span>;
<span class='ident'>FILETIME</span> {
<span class='ident'>dwLowDateTime</span>: <span class='ident'>t</span> <span class='kw'>as</span> <span class='ident'>DWORD</span>,
<span class='ident'>dwHighDateTime</span>: (<span class='ident'>t</span> <span class='op'>>></span> <span class='number'>32</span>) <span class='kw'>as</span> <span class='ident'>DWORD</span>
}
}
<span class='kw'>fn</span> <span class='ident'>file_time_as_u64</span>(<span class='ident'>ft</span>: <span class='kw-2'>&</span><span class='ident'>FILETIME</span>) <span class='op'>-></span> <span class='ident'>u64</span> {
((<span class='ident'>ft</span>.<span class='ident'>dwHighDateTime</span> <span class='kw'>as</span> <span class='ident'>u64</span>) <span class='op'><<</span> <span class='number'>32</span>) <span class='op'>|</span> (<span class='ident'>ft</span>.<span class='ident'>dwLowDateTime</span> <span class='kw'>as</span> <span class='ident'>u64</span>)
}
<span class='kw'>fn</span> <span class='ident'>file_time_to_nsec</span>(<span class='ident'>ft</span>: <span class='kw-2'>&</span><span class='ident'>FILETIME</span>) <span class='op'>-></span> <span class='ident'>i32</span> {
<span class='kw'>let</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='ident'>file_time_as_u64</span>(<span class='ident'>ft</span>) <span class='kw'>as</span> <span class='ident'>i64</span>;
((<span class='ident'>t</span> <span class='op'>%</span> <span class='ident'>HECTONANOSECS_IN_SEC</span>) <span class='op'>*</span> <span class='number'>100</span>) <span class='kw'>as</span> <span class='ident'>i32</span>
}
<span class='kw'>fn</span> <span class='ident'>file_time_to_unix_seconds</span>(<span class='ident'>ft</span>: <span class='kw-2'>&</span><span class='ident'>FILETIME</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>let</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='ident'>file_time_as_u64</span>(<span class='ident'>ft</span>) <span class='kw'>as</span> <span class='ident'>i64</span>;
((<span class='ident'>t</span> <span class='op'>-</span> <span class='ident'>HECTONANOSEC_TO_UNIX_EPOCH</span>) <span class='op'>/</span> <span class='ident'>HECTONANOSECS_IN_SEC</span>) <span class='kw'>as</span> <span class='ident'>i64</span>
}
<span class='kw'>fn</span> <span class='ident'>system_time_to_file_time</span>(<span class='ident'>sys</span>: <span class='kw-2'>&</span><span class='ident'>SYSTEMTIME</span>) <span class='op'>-></span> <span class='ident'>FILETIME</span> {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ft</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='ident'>SystemTimeToFileTime</span>(<span class='ident'>sys</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ft</span>);
<span class='ident'>ft</span>
}
}
<span class='kw'>fn</span> <span class='ident'>tm_to_system_time</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>SYSTEMTIME</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sys</span>: <span class='ident'>SYSTEMTIME</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>mem</span>::<span class='ident'>zeroed</span>() };
<span class='ident'>sys</span>.<span class='ident'>wSecond</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_sec</span> <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>.<span class='ident'>wMinute</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_min</span> <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>.<span class='ident'>wHour</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_hour</span> <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>.<span class='ident'>wDay</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_mday</span> <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>.<span class='ident'>wDayOfWeek</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_wday</span> <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>.<span class='ident'>wMonth</span> <span class='op'>=</span> (<span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='op'>+</span> <span class='number'>1</span>) <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>.<span class='ident'>wYear</span> <span class='op'>=</span> (<span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>+</span> <span class='number'>1900</span>) <span class='kw'>as</span> <span class='ident'>WORD</span>;
<span class='ident'>sys</span>
}
<span class='kw'>fn</span> <span class='ident'>system_time_to_tm</span>(<span class='ident'>sys</span>: <span class='kw-2'>&</span><span class='ident'>SYSTEMTIME</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='ident'>tm</span>.<span class='ident'>tm_sec</span> <span class='op'>=</span> <span class='ident'>sys</span>.<span class='ident'>wSecond</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_min</span> <span class='op'>=</span> <span class='ident'>sys</span>.<span class='ident'>wMinute</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_hour</span> <span class='op'>=</span> <span class='ident'>sys</span>.<span class='ident'>wHour</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_mday</span> <span class='op'>=</span> <span class='ident'>sys</span>.<span class='ident'>wDay</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_wday</span> <span class='op'>=</span> <span class='ident'>sys</span>.<span class='ident'>wDayOfWeek</span> <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='op'>=</span> (<span class='ident'>sys</span>.<span class='ident'>wMonth</span> <span class='op'>-</span> <span class='number'>1</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>=</span> (<span class='ident'>sys</span>.<span class='ident'>wYear</span> <span class='op'>-</span> <span class='number'>1900</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>=</span> <span class='ident'>yday</span>(<span class='ident'>tm</span>.<span class='ident'>tm_year</span>, <span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='op'>+</span> <span class='number'>1</span>, <span class='ident'>tm</span>.<span class='ident'>tm_mday</span>);
<span class='kw'>fn</span> <span class='ident'>yday</span>(<span class='ident'>year</span>: <span class='ident'>i32</span>, <span class='ident'>month</span>: <span class='ident'>i32</span>, <span class='ident'>day</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>i32</span> {
<span class='kw'>let</span> <span class='ident'>leap</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>month</span> <span class='op'>></span> <span class='number'>2</span> {
<span class='kw'>if</span> <span class='ident'>year</span> <span class='op'>%</span> <span class='number'>4</span> <span class='op'>==</span> <span class='number'>0</span> { <span class='number'>1</span> } <span class='kw'>else</span> { <span class='number'>2</span> }
} <span class='kw'>else</span> {
<span class='number'>0</span>
};
<span class='kw'>let</span> <span class='ident'>july</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>month</span> <span class='op'>></span> <span class='number'>7</span> { <span class='number'>1</span> } <span class='kw'>else</span> { <span class='number'>0</span> };
(<span class='ident'>month</span> <span class='op'>-</span> <span class='number'>1</span>) <span class='op'>*</span> <span class='number'>30</span> <span class='op'>+</span> <span class='ident'>month</span> <span class='op'>/</span> <span class='number'>2</span> <span class='op'>+</span> (<span class='ident'>day</span> <span class='op'>-</span> <span class='number'>1</span>) <span class='op'>-</span> <span class='ident'>leap</span> <span class='op'>+</span> <span class='ident'>july</span>
}
}
<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>call</span> {
(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>:<span class='ident'>ident</span>($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>expr</span>),<span class='kw-2'>*</span>)) <span class='op'>=></span> {
<span class='kw'>if</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>),<span class='kw-2'>*</span>) <span class='op'>==</span> <span class='number'>0</span> {
<span class='macro'>panic</span><span class='macro'>!</span>(<span class='macro'>concat</span><span class='macro'>!</span>(<span class='macro'>stringify</span><span class='macro'>!</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>), <span class='string'>" failed with: {}"</span>),
<span class='ident'>io</span>::<span class='ident'>Error</span>::<span class='ident'>last_os_error</span>());
}
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>time_to_utc_tm</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>out</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>mem</span>::<span class='ident'>zeroed</span>() };
<span class='kw'>let</span> <span class='ident'>ft</span> <span class='op'>=</span> <span class='ident'>time_to_file_time</span>(<span class='ident'>sec</span>);
<span class='kw'>unsafe</span> {
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>FileTimeToSystemTime</span>(<span class='kw-2'>&</span><span class='ident'>ft</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>));
}
<span class='ident'>system_time_to_tm</span>(<span class='kw-2'>&</span><span class='ident'>out</span>, <span class='ident'>tm</span>);
<span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>=</span> <span class='number'>0</span>;
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>time_to_local_tm</span>(<span class='ident'>sec</span>: <span class='ident'>i64</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Tm</span>) {
<span class='kw'>let</span> <span class='ident'>ft</span> <span class='op'>=</span> <span class='ident'>time_to_file_time</span>(<span class='ident'>sec</span>);
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>utc</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>local</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>FileTimeToSystemTime</span>(<span class='kw-2'>&</span><span class='ident'>ft</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>utc</span>));
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>SystemTimeToTzSpecificLocalTime</span>(<span class='number'>0</span> <span class='kw'>as</span> <span class='kw-2'>*</span><span class='kw'>const</span> _,
<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>utc</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>local</span>));
<span class='ident'>system_time_to_tm</span>(<span class='kw-2'>&</span><span class='ident'>local</span>, <span class='ident'>tm</span>);
<span class='kw'>let</span> <span class='ident'>local</span> <span class='op'>=</span> <span class='ident'>system_time_to_file_time</span>(<span class='kw-2'>&</span><span class='ident'>local</span>);
<span class='kw'>let</span> <span class='ident'>local_sec</span> <span class='op'>=</span> <span class='ident'>file_time_to_unix_seconds</span>(<span class='kw-2'>&</span><span class='ident'>local</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tz</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='ident'>GetTimeZoneInformation</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tz</span>);
<span class='comment'>// SystemTimeToTzSpecificLocalTime already applied the biases so</span>
<span class='comment'>// check if it non standard</span>
<span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>=</span> (<span class='ident'>local_sec</span> <span class='op'>-</span> <span class='ident'>sec</span>) <span class='kw'>as</span> <span class='ident'>i32</span>;
<span class='ident'>tm</span>.<span class='ident'>tm_isdst</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>==</span> <span class='op'>-</span><span class='number'>60</span> <span class='op'>*</span> (<span class='ident'>tz</span>.<span class='ident'>Bias</span> <span class='op'>+</span> <span class='ident'>tz</span>.<span class='ident'>StandardBias</span>) {
<span class='number'>0</span>
} <span class='kw'>else</span> {
<span class='number'>1</span>
};
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>utc_tm_to_time</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ft</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='kw'>let</span> <span class='ident'>sys_time</span> <span class='op'>=</span> <span class='ident'>tm_to_system_time</span>(<span class='ident'>tm</span>);
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>SystemTimeToFileTime</span>(<span class='kw-2'>&</span><span class='ident'>sys_time</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ft</span>));
<span class='ident'>file_time_to_unix_seconds</span>(<span class='kw-2'>&</span><span class='ident'>ft</span>)
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>local_tm_to_time</span>(<span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ft</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>utc</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sys_time</span> <span class='op'>=</span> <span class='ident'>tm_to_system_time</span>(<span class='ident'>tm</span>);
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>TzSpecificLocalTimeToSystemTime</span>(<span class='number'>0</span> <span class='kw'>as</span> <span class='kw-2'>*</span><span class='kw-2'>mut</span> _,
<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>sys_time</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>utc</span>));
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>SystemTimeToFileTime</span>(<span class='kw-2'>&</span><span class='ident'>utc</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ft</span>));
<span class='ident'>file_time_to_unix_seconds</span>(<span class='kw-2'>&</span><span class='ident'>ft</span>)
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_time</span>() <span class='op'>-></span> (<span class='ident'>i64</span>, <span class='ident'>i32</span>) {
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ft</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>();
<span class='ident'>GetSystemTimeAsFileTime</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ft</span>);
(<span class='ident'>file_time_to_unix_seconds</span>(<span class='kw-2'>&</span><span class='ident'>ft</span>), <span class='ident'>file_time_to_nsec</span>(<span class='kw-2'>&</span><span class='ident'>ft</span>))
}
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_precise_ns</span>() <span class='op'>-></span> <span class='ident'>u64</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ticks</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>unsafe</span> {
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>QueryPerformanceCounter</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>ticks</span>) <span class='op'>==</span> <span class='number'>1</span>);
}
<span class='ident'>mul_div_i64</span>(<span class='ident'>ticks</span> <span class='kw'>as</span> <span class='ident'>i64</span>, <span class='number'>1000000000</span>, <span class='ident'>frequency</span>() <span class='kw'>as</span> <span class='ident'>i64</span>) <span class='kw'>as</span> <span class='ident'>u64</span>
}
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>, <span class='ident'>Copy</span>, <span class='ident'>PartialOrd</span>, <span class='ident'>Ord</span>, <span class='ident'>PartialEq</span>, <span class='ident'>Eq</span>, <span class='ident'>Debug</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SteadyTime</span> {
<span class='ident'>t</span>: <span class='ident'>LARGE_INTEGER</span>,
}
<span class='kw'>impl</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>now</span>() <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span> { <span class='ident'>t</span>: <span class='number'>0</span> };
<span class='kw'>unsafe</span> { <span class='ident'>QueryPerformanceCounter</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>t</span>.<span class='ident'>t</span>); }
<span class='ident'>t</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>Duration</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>SteadyTime</span>) <span class='op'>-></span> <span class='ident'>Duration</span> {
<span class='kw'>let</span> <span class='ident'>diff</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>t</span> <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>-</span> <span class='ident'>other</span>.<span class='ident'>t</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
<span class='ident'>Duration</span>::<span class='ident'>nanoseconds</span>(<span class='ident'>mul_div_i64</span>(<span class='ident'>diff</span>, <span class='number'>1000000000</span>,
<span class='ident'>frequency</span>() <span class='kw'>as</span> <span class='ident'>i64</span>))
}
}
<span class='kw'>impl</span> <span class='ident'>Sub</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='self'>self</span> <span class='op'>+</span> <span class='op'>-</span><span class='ident'>other</span>
}
}
<span class='kw'>impl</span> <span class='ident'>Add</span><span class='op'><</span><span class='ident'>Duration</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>SteadyTime</span> {
<span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>SteadyTime</span>;
<span class='kw'>fn</span> <span class='ident'>add</span>(<span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='ident'>Duration</span>) <span class='op'>-></span> <span class='ident'>SteadyTime</span> {
<span class='self'>self</span>.<span class='ident'>t</span> <span class='op'>+=</span> (<span class='ident'>other</span>.<span class='ident'>num_microseconds</span>().<span class='ident'>unwrap</span>() <span class='op'>*</span> <span class='ident'>frequency</span>() <span class='kw'>as</span> <span class='ident'>i64</span> <span class='op'>/</span>
<span class='number'>1_000_000</span>) <span class='kw'>as</span> <span class='ident'>LARGE_INTEGER</span>;
<span class='self'>self</span>
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>TzReset</span> {
<span class='ident'>old</span>: <span class='ident'>TIME_ZONE_INFORMATION</span>,
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>impl</span> <span class='ident'>Drop</span> <span class='kw'>for</span> <span class='ident'>TzReset</span> {
<span class='kw'>fn</span> <span class='ident'>drop</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) {
<span class='kw'>unsafe</span> {
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>SetTimeZoneInformation</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>old</span>));
}
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_los_angeles_time_zone</span>() <span class='op'>-></span> <span class='ident'>TzReset</span> {
<span class='ident'>acquire_privileges</span>();
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tz</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>::<span class='op'><</span><span class='ident'>TIME_ZONE_INFORMATION</span><span class='op'>></span>();
<span class='ident'>GetTimeZoneInformation</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tz</span>);
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>TzReset</span> { <span class='ident'>old</span>: <span class='ident'>tz</span> };
<span class='ident'>tz</span>.<span class='ident'>Bias</span> <span class='op'>=</span> <span class='number'>60</span> <span class='op'>*</span> <span class='number'>8</span>;
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>SetTimeZoneInformation</span>(<span class='kw-2'>&</span><span class='ident'>tz</span>));
<span class='kw'>return</span> <span class='ident'>ret</span>
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_london_with_dst_time_zone</span>() <span class='op'>-></span> <span class='ident'>TzReset</span> {
<span class='ident'>acquire_privileges</span>();
<span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tz</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>::<span class='op'><</span><span class='ident'>TIME_ZONE_INFORMATION</span><span class='op'>></span>();
<span class='ident'>GetTimeZoneInformation</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tz</span>);
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>TzReset</span> { <span class='ident'>old</span>: <span class='ident'>tz</span> };
<span class='comment'>// Since date set precisely this is 2015's dates</span>
<span class='ident'>tz</span>.<span class='ident'>Bias</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='ident'>tz</span>.<span class='ident'>DaylightBias</span> <span class='op'>=</span> <span class='op'>-</span><span class='number'>60</span>;
<span class='ident'>tz</span>.<span class='ident'>DaylightDate</span>.<span class='ident'>wYear</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='ident'>tz</span>.<span class='ident'>DaylightDate</span>.<span class='ident'>wMonth</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='ident'>tz</span>.<span class='ident'>DaylightDate</span>.<span class='ident'>wDayOfWeek</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='ident'>tz</span>.<span class='ident'>DaylightDate</span>.<span class='ident'>wDay</span> <span class='op'>=</span> <span class='number'>5</span>;
<span class='ident'>tz</span>.<span class='ident'>DaylightDate</span>.<span class='ident'>wHour</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='ident'>tz</span>.<span class='ident'>StandardBias</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='ident'>tz</span>.<span class='ident'>StandardDate</span>.<span class='ident'>wYear</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='ident'>tz</span>.<span class='ident'>StandardDate</span>.<span class='ident'>wMonth</span> <span class='op'>=</span> <span class='number'>10</span>;
<span class='ident'>tz</span>.<span class='ident'>StandardDate</span>.<span class='ident'>wDayOfWeek</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='ident'>tz</span>.<span class='ident'>StandardDate</span>.<span class='ident'>wDay</span> <span class='op'>=</span> <span class='number'>5</span>;
<span class='ident'>tz</span>.<span class='ident'>StandardDate</span>.<span class='ident'>wHour</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>SetTimeZoneInformation</span>(<span class='kw-2'>&</span><span class='ident'>tz</span>));
<span class='kw'>return</span> <span class='ident'>ret</span>
}
}
<span class='comment'>// Ensures that this process has the necessary privileges to set a new time</span>
<span class='comment'>// zone, and this is all transcribed from:</span>
<span class='comment'>// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724944%28v=vs.85%29.aspx</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>fn</span> <span class='ident'>acquire_privileges</span>() {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>sync</span>::{<span class='ident'>ONCE_INIT</span>, <span class='ident'>Once</span>};
<span class='kw'>use</span> <span class='ident'>advapi32</span>::<span class='kw-2'>*</span>;
<span class='kw'>const</span> <span class='ident'>SE_PRIVILEGE_ENABLED</span>: <span class='ident'>DWORD</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>static</span> <span class='ident'>INIT</span>: <span class='ident'>Once</span> <span class='op'>=</span> <span class='ident'>ONCE_INIT</span>;
<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>struct</span> <span class='ident'>TKP</span> {
<span class='ident'>tkp</span>: <span class='ident'>TOKEN_PRIVILEGES</span>,
<span class='ident'>laa</span>: <span class='ident'>LUID_AND_ATTRIBUTES</span>,
}
<span class='ident'>INIT</span>.<span class='ident'>call_once</span>(<span class='op'>||</span> <span class='kw'>unsafe</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>hToken</span> <span class='op'>=</span> <span class='number'>0</span> <span class='kw'>as</span> <span class='kw-2'>*</span><span class='kw-2'>mut</span> _;
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>OpenProcessToken</span>(<span class='ident'>GetCurrentProcess</span>(),
<span class='ident'>TOKEN_ADJUST_PRIVILEGES</span> <span class='op'>|</span> <span class='ident'>TOKEN_QUERY</span>,
<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>hToken</span>));
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tkp</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>zeroed</span>::<span class='op'><</span><span class='ident'>TKP</span><span class='op'>></span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>tkp</span>.<span class='ident'>tkp</span>.<span class='ident'>Privileges</span>.<span class='ident'>len</span>(), <span class='number'>0</span>);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> ::<span class='ident'>std</span>::<span class='ident'>ffi</span>::<span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='string'>"SeTimeZonePrivilege"</span>).<span class='ident'>unwrap</span>();
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>LookupPrivilegeValueA</span>(<span class='number'>0</span> <span class='kw'>as</span> <span class='kw-2'>*</span><span class='kw'>const</span> _, <span class='ident'>c</span>.<span class='ident'>as_ptr</span>(),
<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tkp</span>.<span class='ident'>laa</span>.<span class='ident'>Luid</span>));
<span class='ident'>tkp</span>.<span class='ident'>tkp</span>.<span class='ident'>PrivilegeCount</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='ident'>tkp</span>.<span class='ident'>laa</span>.<span class='ident'>Attributes</span> <span class='op'>=</span> <span class='ident'>SE_PRIVILEGE_ENABLED</span>;
<span class='macro'>call</span><span class='macro'>!</span>(<span class='ident'>AdjustTokenPrivileges</span>(<span class='ident'>hToken</span>, <span class='ident'>FALSE</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tkp</span>.<span class='ident'>tkp</span>, <span class='number'>0</span>,
<span class='number'>0</span> <span class='kw'>as</span> <span class='kw-2'>*</span><span class='kw-2'>mut</span> _, <span class='number'>0</span> <span class='kw'>as</span> <span class='kw-2'>*</span><span class='kw-2'>mut</span> _));
});
}
<span class='comment'>// Computes (value*numer)/denom without overflow, as long as both</span>
<span class='comment'>// (numer*denom) and the overall result fit into i64 (which is the case</span>
<span class='comment'>// for our time conversions).</span>
<span class='kw'>fn</span> <span class='ident'>mul_div_i64</span>(<span class='ident'>value</span>: <span class='ident'>i64</span>, <span class='ident'>numer</span>: <span class='ident'>i64</span>, <span class='ident'>denom</span>: <span class='ident'>i64</span>) <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>let</span> <span class='ident'>q</span> <span class='op'>=</span> <span class='ident'>value</span> <span class='op'>/</span> <span class='ident'>denom</span>;
<span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>value</span> <span class='op'>%</span> <span class='ident'>denom</span>;
<span class='comment'>// Decompose value as (value/denom*denom + value%denom),</span>
<span class='comment'>// substitute into (value*numer)/denom and simplify.</span>
<span class='comment'>// r < denom, so (denom*numer) is the upper bound of (r*numer)</span>
<span class='ident'>q</span> <span class='op'>*</span> <span class='ident'>numer</span> <span class='op'>+</span> <span class='ident'>r</span> <span class='op'>*</span> <span class='ident'>numer</span> <span class='op'>/</span> <span class='ident'>denom</span>
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_muldiv</span>() {
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>mul_div_i64</span>( <span class='number'>1_000_000_000_001</span>, <span class='number'>1_000_000_000</span>, <span class='number'>1_000_000</span>),
<span class='number'>1_000_000_000_001_000</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>mul_div_i64</span>(<span class='op'>-</span><span class='number'>1_000_000_000_001</span>, <span class='number'>1_000_000_000</span>, <span class='number'>1_000_000</span>),
<span class='op'>-</span><span class='number'>1_000_000_000_001_000</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>mul_div_i64</span>(<span class='op'>-</span><span class='number'>1_000_000_000_001</span>,<span class='op'>-</span><span class='number'>1_000_000_000</span>, <span class='number'>1_000_000</span>),
<span class='number'>1_000_000_000_001_000</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>mul_div_i64</span>( <span class='number'>1_000_000_000_001</span>, <span class='number'>1_000_000_000</span>,<span class='op'>-</span><span class='number'>1_000_000</span>),
<span class='op'>-</span><span class='number'>1_000_000_000_001_000</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>mul_div_i64</span>( <span class='number'>1_000_000_000_001</span>,<span class='op'>-</span><span class='number'>1_000_000_000</span>,<span class='op'>-</span><span class='number'>1_000_000</span>),
<span class='number'>1_000_000_000_001_000</span>);
}
}
</pre>
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