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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.9.1"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>ICU 77.1: icu::UMemory Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">ICU 77.1  <span id="projectnumber">77.1</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.9.1 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search','.html'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespaceicu.html">icu</a></li><li class="navelem"><a class="el" href="classicu_1_1UMemory.html">UMemory</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">icu::UMemory Class Reference</div> </div> </div><!--header--> <div class="contents"> <p><a class="el" href="classicu_1_1UMemory.html" title="UMemory is the common ICU base class.">UMemory</a> is the common ICU base class. <a href="classicu_1_1UMemory.html#details">More...</a></p> <p><code>#include <<a class="el" href="uobject_8h_source.html">uobject.h</a>></code></p> <div class="dynheader"> Inheritance diagram for icu::UMemory:</div> <div class="dyncontent"> <div class="center"> <img src="classicu_1_1UMemory.png" usemap="#icu::UMemory_map" alt=""/> <map id="icu::UMemory_map" name="icu::UMemory_map"> <area href="classicu_1_1ByteSink.html" title="A ByteSink can be filled with bytes." alt="icu::ByteSink" shape="rect" coords="298,56,586,80"/> <area href="classicu_1_1BytesTrie.html" title="Light-weight, non-const reader class for a BytesTrie." alt="icu::BytesTrie" shape="rect" coords="298,112,586,136"/> <area href="classicu_1_1BytesTrie_1_1Iterator.html" title="Iterator for all of the (byte sequence, value) pairs in a BytesTrie." alt="icu::BytesTrie::Iterator" shape="rect" coords="298,168,586,192"/> <area href="classicu_1_1BytesTrie_1_1State.html" title="BytesTrie state object, for saving a trie's current state and resetting the trie back to this state l..." alt="icu::BytesTrie::State" shape="rect" coords="298,224,586,248"/> <area href="classicu_1_1CaseMap.html" title="Low-level C++ case mapping functions." alt="icu::CaseMap" shape="rect" coords="298,280,586,304"/> <area href="classicu_1_1ConstrainedFieldPosition.html" title="Represents a span of a string containing a given field." alt="icu::ConstrainedFieldPosition" shape="rect" coords="298,336,586,360"/> <area href="classicu_1_1Edits.html" title="Records lengths of string edits but not replacement text." alt="icu::Edits" shape="rect" coords="298,392,586,416"/> <area href="structicu_1_1Edits_1_1Iterator.html" title="Access to the list of edits." alt="icu::Edits::Iterator" shape="rect" coords="298,448,586,472"/> <area href="classicu_1_1ErrorCode.html" title="Wrapper class for UErrorCode, with conversion operators for direct use in ICU C and C++ APIs." alt="icu::ErrorCode" shape="rect" coords="298,504,586,528"/> <area href="classicu_1_1FormattedDateInterval.html" title="An immutable class containing the result of a date interval formatting operation." alt="icu::FormattedDateInterval" shape="rect" coords="298,560,586,584"/> <area href="classicu_1_1FormattedList.html" title="An immutable class containing the result of a list formatting operation." alt="icu::FormattedList" shape="rect" coords="298,616,586,640"/> <area href="classicu_1_1FormattedRelativeDateTime.html" title="An immutable class containing the result of a relative datetime formatting operation." alt="icu::FormattedRelativeDateTime" shape="rect" coords="298,672,586,696"/> <area href="classicu_1_1IDNAInfo.html" title="Output container for IDNA processing errors." alt="icu::IDNAInfo" shape="rect" coords="298,728,586,752"/> <area href="classicu_1_1Locale_1_1ConvertingIterator.html" title="A generic Locale iterator implementation over Locale input iterators." alt="icu::Locale::ConvertingIterator< Iter, Conv >" shape="rect" coords="298,784,586,808"/> <area href="classicu_1_1Locale_1_1RangeIterator.html" title="A generic Locale iterator implementation over Locale input iterators." alt="icu::Locale::RangeIterator< Iter >" shape="rect" coords="298,840,586,864"/> <area href="classicu_1_1LocaleMatcher.html" title="Immutable class that picks the best match between a user's desired locales and an application's suppo..." alt="icu::LocaleMatcher" shape="rect" coords="298,896,586,920"/> <area href="classicu_1_1LocaleMatcher_1_1Builder.html" title="LocaleMatcher builder." alt="icu::LocaleMatcher::Builder" shape="rect" coords="298,952,586,976"/> <area href="classicu_1_1LocaleMatcher_1_1Result.html" title="Data for the best-matching pair of a desired and a supported locale." alt="icu::LocaleMatcher::Result" shape="rect" coords="298,1008,586,1032"/> <area href="classicu_1_1MessagePattern_1_1Part.html" title="A message pattern "part", representing a pattern parsing event." alt="icu::MessagePattern::Part" shape="rect" coords="298,1064,586,1088"/> <area href="classicu_1_1SimpleFormatter.html" title="Formats simple patterns like "{1} was born in {0}"." alt="icu::SimpleFormatter" shape="rect" coords="298,1120,586,1144"/> <area href="classicu_1_1StringPiece.html" title="A string-like object that points to a sized piece of memory." alt="icu::StringPiece" shape="rect" coords="298,1176,586,1200"/> <area href="classicu_1_1TimeZoneNames_1_1MatchInfoCollection.html" title="MatchInfoCollection represents a collection of time zone name matches used by TimeZoneNames#find." alt="icu::TimeZoneNames::MatchInfoCollection" shape="rect" coords="298,1232,586,1256"/> <area href="classicu_1_1UCharsTrie.html" title="Light-weight, non-const reader class for a UCharsTrie." alt="icu::UCharsTrie" shape="rect" coords="298,1288,586,1312"/> <area href="classicu_1_1UCharsTrie_1_1Iterator.html" title="Iterator for all of the (string, value) pairs in a UCharsTrie." alt="icu::UCharsTrie::Iterator" shape="rect" coords="298,1344,586,1368"/> <area href="classicu_1_1UCharsTrie_1_1State.html" title="UCharsTrie state object, for saving a trie's current state and resetting the trie back to this state ..." alt="icu::UCharsTrie::State" shape="rect" coords="298,1400,586,1424"/> <area href="classicu_1_1UObject.html" title="UObject is the common ICU "boilerplate" class." alt="icu::UObject" shape="rect" coords="298,1456,586,1480"/> <area href="classicu_1_1message2_1_1MFDataModel.html" title="The MFDataModel class describes a parsed representation of the text of a message." alt="icu::message2::MFDataModel" shape="rect" coords="298,1512,586,1536"/> <area href="classicu_1_1message2_1_1MFDataModel_1_1Builder.html" title="The mutable MFDataModel::Builder class allows the data model to be constructed incrementally." alt="icu::message2::MFDataModel::Builder" shape="rect" coords="298,1568,586,1592"/> <area href="classicu_1_1message2_1_1data__model_1_1Expression_1_1Builder.html" title="The mutable Expression::Builder class allows the operator to be constructed incrementally." alt="icu::message2::data_model::Expression::Builder" shape="rect" coords="298,1624,586,1648"/> <area href="classicu_1_1message2_1_1data__model_1_1Markup_1_1Builder.html" title="The mutable Markup::Builder class allows the markup to be constructed incrementally." alt="icu::message2::data_model::Markup::Builder" shape="rect" coords="298,1680,586,1704"/> <area href="classicu_1_1message2_1_1data__model_1_1Operator_1_1Builder.html" title="The mutable Operator::Builder class allows the operator to be constructed incrementally." alt="icu::message2::data_model::Operator::Builder" shape="rect" coords="298,1736,586,1760"/> <area href="classicu_1_1message2_1_1data__model_1_1Pattern_1_1Builder.html" title="The mutable Pattern::Builder class allows the pattern to be constructed one part at a time." alt="icu::message2::data_model::Pattern::Builder" shape="rect" coords="298,1792,586,1816"/> <area href="classicu_1_1message2_1_1data__model_1_1SelectorKeys_1_1Builder.html" title="The mutable SelectorKeys::Builder class allows the key list to be constructed one key at a time." alt="icu::message2::data_model::SelectorKeys::Builder" shape="rect" coords="298,1848,586,1872"/> <area href="classicu_1_1number_1_1FormattedNumber.html" title="The result of a number formatting operation." alt="icu::number::FormattedNumber" shape="rect" coords="298,1904,586,1928"/> <area href="classicu_1_1number_1_1FormattedNumberRange.html" title="The result of a number range formatting operation." alt="icu::number::FormattedNumberRange" shape="rect" coords="298,1960,586,1984"/> <area href="classicu_1_1number_1_1IntegerWidth.html" title="A class that defines the strategy for padding and truncating integers before the decimal separator." alt="icu::number::IntegerWidth" shape="rect" coords="298,2016,586,2040"/> <area href="classicu_1_1number_1_1LocalizedNumberFormatter.html" title="A NumberFormatter that has a locale associated with it; this means .format() methods are available." alt="icu::number::LocalizedNumberFormatter" shape="rect" coords="298,2072,586,2096"/> <area href="classicu_1_1number_1_1LocalizedNumberRangeFormatter.html" title="A NumberRangeFormatter that has a locale associated with it; this means .formatRange() methods are av..." alt="icu::number::LocalizedNumberRangeFormatter" shape="rect" coords="298,2128,586,2152"/> <area href="classicu_1_1number_1_1Notation.html" title="A class that defines the notation style to be used when formatting numbers in NumberFormatter." alt="icu::number::Notation" shape="rect" coords="298,2184,586,2208"/> <area href="classicu_1_1number_1_1Precision.html" title="A class that defines the rounding precision to be used when formatting numbers in NumberFormatter." alt="icu::number::Precision" shape="rect" coords="298,2240,586,2264"/> <area href="classicu_1_1number_1_1Scale.html" title="A class that defines a quantity by which a number should be multiplied when formatting." alt="icu::number::Scale" shape="rect" coords="298,2296,586,2320"/> <area href="classicu_1_1number_1_1SimpleNumber.html" title="An input type for SimpleNumberFormatter." alt="icu::number::SimpleNumber" shape="rect" coords="298,2352,586,2376"/> <area href="classicu_1_1number_1_1SimpleNumberFormatter.html" title="A special NumberFormatter focused on smaller binary size and memory use." alt="icu::number::SimpleNumberFormatter" shape="rect" coords="298,2408,586,2432"/> <area href="classicu_1_1number_1_1UnlocalizedNumberFormatter.html" title="A NumberFormatter that does not yet have a locale." alt="icu::number::UnlocalizedNumberFormatter" shape="rect" coords="298,2464,586,2488"/> <area href="classicu_1_1number_1_1UnlocalizedNumberRangeFormatter.html" title="A NumberRangeFormatter that does not yet have a locale." alt="icu::number::UnlocalizedNumberRangeFormatter" shape="rect" coords="298,2520,586,2544"/> <area href="classicu_1_1number_1_1impl_1_1Grouper.html" alt="icu::number::impl::Grouper" shape="rect" coords="298,2576,586,2600"/> <area href="structicu_1_1number_1_1impl_1_1MacroProps.html" alt="icu::number::impl::MacroProps" shape="rect" coords="298,2632,586,2656"/> <area href="classicu_1_1number_1_1impl_1_1Padder.html" alt="icu::number::impl::Padder" shape="rect" coords="298,2688,586,2712"/> <area href="structicu_1_1number_1_1impl_1_1RangeMacroProps.html" alt="icu::number::impl::RangeMacroProps" shape="rect" coords="298,2744,586,2768"/> <area href="classicu_1_1number_1_1impl_1_1StringProp.html" title="Manages NumberFormatterSettings::usage()'s char* instance on the heap." alt="icu::number::impl::StringProp" shape="rect" coords="298,2800,586,2824"/> <area href="classicu_1_1number_1_1impl_1_1SymbolsWrapper.html" alt="icu::number::impl::SymbolsWrapper" shape="rect" coords="298,2856,586,2880"/> </map> </div></div> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p><a class="el" href="classicu_1_1UMemory.html" title="UMemory is the common ICU base class.">UMemory</a> is the common ICU base class. </p> <p>All other ICU C++ classes are derived from <a class="el" href="classicu_1_1UMemory.html" title="UMemory is the common ICU base class.">UMemory</a> (starting with ICU 2.4).</p> <p>This is primarily to make it possible and simple to override the C++ memory management by adding new/delete operators to this base class.</p> <p>To override ALL ICU memory management, including that from plain C code, replace the allocation functions declared in cmemory.h</p> <p><a class="el" href="classicu_1_1UMemory.html" title="UMemory is the common ICU base class.">UMemory</a> does not contain any virtual functions. Common "boilerplate" functions are defined in <a class="el" href="classicu_1_1UObject.html" title="UObject is the common ICU "boilerplate" class.">UObject</a>.</p> <dl class="stable"><dt><b><a class="el" href="stable.html#_stable002806">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl> <p class="definition">Definition at line <a class="el" href="uobject_8h_source.html#l00115">115</a> of file <a class="el" href="uobject_8h_source.html">uobject.h</a>.</p> </div><hr/>The documentation for this class was generated from the following file:<ul> <li>common/unicode/<a class="el" href="uobject_8h_source.html">uobject.h</a></li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </small></address> </body> </html>