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diff --git a/devdocs/c/chrono%2Ftm.html b/devdocs/c/chrono%2Ftm.html new file mode 100644 index 00000000..f14a6474 --- /dev/null +++ b/devdocs/c/chrono%2Ftm.html @@ -0,0 +1,41 @@ + <h1 id="firstHeading" class="firstHeading">tm</h1> <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code><time.h></code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">struct tm;</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> </table> <p>Structure holding a calendar date and time broken down into its components.</p> +<h3 id="Member_objects"> Member objects</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_sec</span></span></div> </td> <td> seconds after the minute – <span class="t-rev-inl t-until-c99"><span>[0, 61]</span><span><span class="t-mark-rev t-until-c99">(until C99)</span></span></span><span class="t-rev-inl t-since-c99"><span>[0, 60]</span><span><span class="t-mark-rev t-since-c99">(since C99)</span></span></span><sup id="cite_ref-leapsecond_1-0" class="reference"><a href="#cite_note-leapsecond-1">[note 1]</a></sup> <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_min</span></span></div> </td> <td> minutes after the hour – [0, 59] <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_hour</span></span></div> </td> <td> hours since midnight – [0, 23] <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_mday</span></span></div> </td> <td> day of the month – [1, 31] <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_mon</span></span></div> </td> <td> months since January – [0, 11] <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_year</span></span></div> </td> <td> years since 1900 <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_wday</span></span></div> </td> <td> days since Sunday – [0, 6] <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_yday</span></span></div> </td> <td> days since January 1 – [0, 365] <br> <span class="t-mark">(public member object)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_isdst</span></span></div> </td> <td> Daylight Saving Time flag. The value is positive if DST is in effect, zero if not and negative if no information is available <br> <span class="t-mark">(public member object)</span> </td> +</tr> </table> <h6 id="Notes"> Notes</h6> <p>The Standard mandates only the presence of the aforementioned members in either order. The implementations usually add more data-members to this structure.</p> +<ol class="references"> <li id="cite_note-leapsecond-1"> <span class="reference-text">Range allows for a positive leap second. Two leap seconds in the same minute are not allowed (the C89 range 0..61 was a defect)</span> </li> </ol> <h3 id="Example"> Example</h3> <div class="t-example"> <div class="c source-c"><pre data-language="c">#include <stdio.h> +#include <time.h> + +int main(void) +{ + struct tm start = {.tm_year=2022-1900, .tm_mday=1}; + mktime(&start); + printf("%s", asctime(&start)); +}</pre></div> <p>Output:</p> +<div class="text source-text"><pre data-language="c">Sat Jan 1 00:00:00 2022</pre></div> </div> <h3 id="References"> References</h3> <ul> +<li> C17 standard (ISO/IEC 9899:2018): </li> +<ul><li> 7.27.1/3 Components of time (p: 284) </li></ul> +<li> C11 standard (ISO/IEC 9899:2011): </li> +<ul><li> 7.27.1/3 Components of time (p: 388) </li></ul> +<li> C99 standard (ISO/IEC 9899:1999): </li> +<ul><li> 7.23.1/3 Components of time (p: 338) </li></ul> +<li> C89/C90 standard (ISO/IEC 9899:1990): </li> +<ul><li> 4.12.1 Components of time </li></ul> +</ul> <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td> <div><a href="localtime" title="c/chrono/localtime"> <span class="t-lines"><span>localtime</span><span>localtime_r</span><span>localtime_s</span></span></a></div> +<div><span class="t-lines"><span><span class="t-mark-rev t-since-c23">(C23)</span></span><span><span class="t-mark-rev t-since-c11">(C11)</span></span></span></div> </td> <td> converts time since epoch to calendar time expressed as local time <br> <span class="t-mark">(function)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><a href="gmtime" title="c/chrono/gmtime"> <span class="t-lines"><span>gmtime</span><span>gmtime_r</span><span>gmtime_s</span></span></a></div> +<div><span class="t-lines"><span><span class="t-mark-rev t-since-c23">(C23)</span></span><span><span class="t-mark-rev t-since-c11">(C11)</span></span></span></div> </td> <td> converts time since epoch to calendar time expressed as Coordinated Universal Time (UTC) <br> <span class="t-mark">(function)</span> </td> +</tr> <tr class="t-dsc"> <td colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/chrono/c/tm" title="cpp/chrono/c/tm">C++ documentation</a></span> for <code>tm</code> </td> +</tr> </table> <div class="_attribution"> + <p class="_attribution-p"> + © cppreference.com<br>Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.<br> + <a href="https://en.cppreference.com/w/c/chrono/tm" class="_attribution-link">https://en.cppreference.com/w/c/chrono/tm</a> + </p> +</div> |