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931 lines
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931 lines
101 KiB
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<td width="35%" class="headerValue"><a href="../../index.html">top level</a> - <a href="index.html">9/bits</a> - char_traits.h<span style="font-size: 80%;"> (source / <a href="char_traits.h.func-sort-c.html">functions</a>)</span></td>
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<pre class="sourceHeading"> Branch data Line data Source code</pre>
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<pre class="source">
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<a name="1"><span class="lineNum"> 1 </span> : : // Character Traits for use by standard string and iostream -*- C++ -*-</a>
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<a name="2"><span class="lineNum"> 2 </span> : : </a>
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<a name="3"><span class="lineNum"> 3 </span> : : // Copyright (C) 1997-2019 Free Software Foundation, Inc.</a>
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<a name="4"><span class="lineNum"> 4 </span> : : //</a>
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<a name="5"><span class="lineNum"> 5 </span> : : // This file is part of the GNU ISO C++ Library. This library is free</a>
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<a name="6"><span class="lineNum"> 6 </span> : : // software; you can redistribute it and/or modify it under the</a>
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<a name="7"><span class="lineNum"> 7 </span> : : // terms of the GNU General Public License as published by the</a>
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<a name="8"><span class="lineNum"> 8 </span> : : // Free Software Foundation; either version 3, or (at your option)</a>
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<a name="9"><span class="lineNum"> 9 </span> : : // any later version.</a>
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<a name="10"><span class="lineNum"> 10 </span> : : </a>
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<a name="11"><span class="lineNum"> 11 </span> : : // This library is distributed in the hope that it will be useful,</a>
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<a name="12"><span class="lineNum"> 12 </span> : : // but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
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<a name="13"><span class="lineNum"> 13 </span> : : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
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<a name="14"><span class="lineNum"> 14 </span> : : // GNU General Public License for more details.</a>
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<a name="15"><span class="lineNum"> 15 </span> : : </a>
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<a name="16"><span class="lineNum"> 16 </span> : : // Under Section 7 of GPL version 3, you are granted additional</a>
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<a name="17"><span class="lineNum"> 17 </span> : : // permissions described in the GCC Runtime Library Exception, version</a>
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<a name="18"><span class="lineNum"> 18 </span> : : // 3.1, as published by the Free Software Foundation.</a>
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<a name="19"><span class="lineNum"> 19 </span> : : </a>
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<a name="20"><span class="lineNum"> 20 </span> : : // You should have received a copy of the GNU General Public License and</a>
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<a name="21"><span class="lineNum"> 21 </span> : : // a copy of the GCC Runtime Library Exception along with this program;</a>
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<a name="22"><span class="lineNum"> 22 </span> : : // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</a>
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<a name="23"><span class="lineNum"> 23 </span> : : // <http://www.gnu.org/licenses/>.</a>
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<a name="24"><span class="lineNum"> 24 </span> : : </a>
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<a name="25"><span class="lineNum"> 25 </span> : : /** @file bits/char_traits.h</a>
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<a name="26"><span class="lineNum"> 26 </span> : : * This is an internal header file, included by other library headers.</a>
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<a name="27"><span class="lineNum"> 27 </span> : : * Do not attempt to use it directly. @headername{string}</a>
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<a name="28"><span class="lineNum"> 28 </span> : : */</a>
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<a name="29"><span class="lineNum"> 29 </span> : : </a>
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<a name="30"><span class="lineNum"> 30 </span> : : //</a>
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<a name="31"><span class="lineNum"> 31 </span> : : // ISO C++ 14882: 21 Strings library</a>
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<a name="32"><span class="lineNum"> 32 </span> : : //</a>
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<a name="33"><span class="lineNum"> 33 </span> : : </a>
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<a name="34"><span class="lineNum"> 34 </span> : : #ifndef _CHAR_TRAITS_H</a>
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<a name="35"><span class="lineNum"> 35 </span> : : #define _CHAR_TRAITS_H 1</a>
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<a name="36"><span class="lineNum"> 36 </span> : : </a>
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<a name="37"><span class="lineNum"> 37 </span> : : #pragma GCC system_header</a>
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<a name="38"><span class="lineNum"> 38 </span> : : </a>
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<a name="39"><span class="lineNum"> 39 </span> : : #include <bits/stl_algobase.h> // std::copy, std::fill_n</a>
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<a name="40"><span class="lineNum"> 40 </span> : : #include <bits/postypes.h> // For streampos</a>
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<a name="41"><span class="lineNum"> 41 </span> : : #include <cwchar> // For WEOF, wmemmove, wmemset, etc.</a>
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<a name="42"><span class="lineNum"> 42 </span> : : </a>
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<a name="43"><span class="lineNum"> 43 </span> : : #ifndef _GLIBCXX_ALWAYS_INLINE</a>
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<a name="44"><span class="lineNum"> 44 </span> : : # define _GLIBCXX_ALWAYS_INLINE inline __attribute__((__always_inline__))</a>
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<a name="45"><span class="lineNum"> 45 </span> : : #endif</a>
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<a name="46"><span class="lineNum"> 46 </span> : : </a>
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<a name="47"><span class="lineNum"> 47 </span> : : namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)</a>
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<a name="48"><span class="lineNum"> 48 </span> : : {</a>
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<a name="49"><span class="lineNum"> 49 </span> : : _GLIBCXX_BEGIN_NAMESPACE_VERSION</a>
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<a name="50"><span class="lineNum"> 50 </span> : : </a>
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<a name="51"><span class="lineNum"> 51 </span> : : /**</a>
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<a name="52"><span class="lineNum"> 52 </span> : : * @brief Mapping from character type to associated types.</a>
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<a name="53"><span class="lineNum"> 53 </span> : : *</a>
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<a name="54"><span class="lineNum"> 54 </span> : : * @note This is an implementation class for the generic version</a>
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<a name="55"><span class="lineNum"> 55 </span> : : * of char_traits. It defines int_type, off_type, pos_type, and</a>
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<a name="56"><span class="lineNum"> 56 </span> : : * state_type. By default these are unsigned long, streamoff,</a>
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<a name="57"><span class="lineNum"> 57 </span> : : * streampos, and mbstate_t. Users who need a different set of</a>
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<a name="58"><span class="lineNum"> 58 </span> : : * types, but who don't need to change the definitions of any function</a>
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<a name="59"><span class="lineNum"> 59 </span> : : * defined in char_traits, can specialize __gnu_cxx::_Char_types</a>
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<a name="60"><span class="lineNum"> 60 </span> : : * while leaving __gnu_cxx::char_traits alone. */</a>
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<a name="61"><span class="lineNum"> 61 </span> : : template<typename _CharT></a>
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<a name="62"><span class="lineNum"> 62 </span> : : struct _Char_types</a>
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<a name="63"><span class="lineNum"> 63 </span> : : {</a>
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<a name="64"><span class="lineNum"> 64 </span> : : typedef unsigned long int_type;</a>
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<a name="65"><span class="lineNum"> 65 </span> : : typedef std::streampos pos_type;</a>
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<a name="66"><span class="lineNum"> 66 </span> : : typedef std::streamoff off_type;</a>
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<a name="67"><span class="lineNum"> 67 </span> : : typedef std::mbstate_t state_type;</a>
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<a name="68"><span class="lineNum"> 68 </span> : : };</a>
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<a name="69"><span class="lineNum"> 69 </span> : : </a>
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<a name="70"><span class="lineNum"> 70 </span> : : </a>
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<a name="71"><span class="lineNum"> 71 </span> : : /**</a>
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<a name="72"><span class="lineNum"> 72 </span> : : * @brief Base class used to implement std::char_traits.</a>
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<a name="73"><span class="lineNum"> 73 </span> : : *</a>
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<a name="74"><span class="lineNum"> 74 </span> : : * @note For any given actual character type, this definition is</a>
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<a name="75"><span class="lineNum"> 75 </span> : : * probably wrong. (Most of the member functions are likely to be</a>
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<a name="76"><span class="lineNum"> 76 </span> : : * right, but the int_type and state_type typedefs, and the eof()</a>
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<a name="77"><span class="lineNum"> 77 </span> : : * member function, are likely to be wrong.) The reason this class</a>
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<a name="78"><span class="lineNum"> 78 </span> : : * exists is so users can specialize it. Classes in namespace std</a>
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<a name="79"><span class="lineNum"> 79 </span> : : * may not be specialized for fundamental types, but classes in</a>
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<a name="80"><span class="lineNum"> 80 </span> : : * namespace __gnu_cxx may be.</a>
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<a name="81"><span class="lineNum"> 81 </span> : : *</a>
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<a name="82"><span class="lineNum"> 82 </span> : : * See https://gcc.gnu.org/onlinedocs/libstdc++/manual/strings.html#strings.string.character_types</a>
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<a name="83"><span class="lineNum"> 83 </span> : : * for advice on how to make use of this class for @a unusual character</a>
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<a name="84"><span class="lineNum"> 84 </span> : : * types. Also, check out include/ext/pod_char_traits.h. </a>
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<a name="85"><span class="lineNum"> 85 </span> : : */</a>
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<a name="86"><span class="lineNum"> 86 </span> : : template<typename _CharT></a>
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<a name="87"><span class="lineNum"> 87 </span> : : struct char_traits</a>
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<a name="88"><span class="lineNum"> 88 </span> : : {</a>
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<a name="89"><span class="lineNum"> 89 </span> : : typedef _CharT char_type;</a>
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<a name="90"><span class="lineNum"> 90 </span> : : typedef typename _Char_types<_CharT>::int_type int_type;</a>
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<a name="91"><span class="lineNum"> 91 </span> : : typedef typename _Char_types<_CharT>::pos_type pos_type;</a>
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<a name="92"><span class="lineNum"> 92 </span> : : typedef typename _Char_types<_CharT>::off_type off_type;</a>
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<a name="93"><span class="lineNum"> 93 </span> : : typedef typename _Char_types<_CharT>::state_type state_type;</a>
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<a name="94"><span class="lineNum"> 94 </span> : : </a>
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<a name="95"><span class="lineNum"> 95 </span> : : static _GLIBCXX14_CONSTEXPR void</a>
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<a name="96"><span class="lineNum"> 96 </span> : : assign(char_type& __c1, const char_type& __c2)</a>
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<a name="97"><span class="lineNum"> 97 </span> : : { __c1 = __c2; }</a>
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<a name="98"><span class="lineNum"> 98 </span> : : </a>
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<a name="99"><span class="lineNum"> 99 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
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<a name="100"><span class="lineNum"> 100 </span> : : eq(const char_type& __c1, const char_type& __c2)</a>
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<a name="101"><span class="lineNum"> 101 </span> : : { return __c1 == __c2; }</a>
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<a name="102"><span class="lineNum"> 102 </span> : : </a>
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<a name="103"><span class="lineNum"> 103 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
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<a name="104"><span class="lineNum"> 104 </span> : : lt(const char_type& __c1, const char_type& __c2)</a>
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<a name="105"><span class="lineNum"> 105 </span> : : { return __c1 < __c2; }</a>
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<a name="106"><span class="lineNum"> 106 </span> : : </a>
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<a name="107"><span class="lineNum"> 107 </span> : : static _GLIBCXX14_CONSTEXPR int</a>
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<a name="108"><span class="lineNum"> 108 </span> : : compare(const char_type* __s1, const char_type* __s2, std::size_t __n);</a>
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<a name="109"><span class="lineNum"> 109 </span> : : </a>
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<a name="110"><span class="lineNum"> 110 </span> : : static _GLIBCXX14_CONSTEXPR std::size_t</a>
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<a name="111"><span class="lineNum"> 111 </span> : : length(const char_type* __s);</a>
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<a name="112"><span class="lineNum"> 112 </span> : : </a>
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<a name="113"><span class="lineNum"> 113 </span> : : static _GLIBCXX14_CONSTEXPR const char_type*</a>
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<a name="114"><span class="lineNum"> 114 </span> : : find(const char_type* __s, std::size_t __n, const char_type& __a);</a>
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<a name="115"><span class="lineNum"> 115 </span> : : </a>
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<a name="116"><span class="lineNum"> 116 </span> : : static char_type*</a>
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<a name="117"><span class="lineNum"> 117 </span> : : move(char_type* __s1, const char_type* __s2, std::size_t __n);</a>
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<a name="118"><span class="lineNum"> 118 </span> : : </a>
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<a name="119"><span class="lineNum"> 119 </span> : : static char_type*</a>
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<a name="120"><span class="lineNum"> 120 </span> : : copy(char_type* __s1, const char_type* __s2, std::size_t __n);</a>
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<a name="121"><span class="lineNum"> 121 </span> : : </a>
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<a name="122"><span class="lineNum"> 122 </span> : : static char_type*</a>
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<a name="123"><span class="lineNum"> 123 </span> : : assign(char_type* __s, std::size_t __n, char_type __a);</a>
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<a name="124"><span class="lineNum"> 124 </span> : : </a>
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<a name="125"><span class="lineNum"> 125 </span> : : static _GLIBCXX_CONSTEXPR char_type</a>
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<a name="126"><span class="lineNum"> 126 </span> : : to_char_type(const int_type& __c)</a>
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<a name="127"><span class="lineNum"> 127 </span> : : { return static_cast<char_type>(__c); }</a>
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<a name="128"><span class="lineNum"> 128 </span> : : </a>
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<a name="129"><span class="lineNum"> 129 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
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<a name="130"><span class="lineNum"> 130 </span> : : to_int_type(const char_type& __c)</a>
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<a name="131"><span class="lineNum"> 131 </span> : : { return static_cast<int_type>(__c); }</a>
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<a name="132"><span class="lineNum"> 132 </span> : : </a>
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<a name="133"><span class="lineNum"> 133 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
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<a name="134"><span class="lineNum"> 134 </span> : : eq_int_type(const int_type& __c1, const int_type& __c2)</a>
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<a name="135"><span class="lineNum"> 135 </span> : : { return __c1 == __c2; }</a>
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<a name="136"><span class="lineNum"> 136 </span> : : </a>
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<a name="137"><span class="lineNum"> 137 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
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<a name="138"><span class="lineNum"> 138 </span> : : eof()</a>
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<a name="139"><span class="lineNum"> 139 </span> : : { return static_cast<int_type>(_GLIBCXX_STDIO_EOF); }</a>
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<a name="140"><span class="lineNum"> 140 </span> : : </a>
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<a name="141"><span class="lineNum"> 141 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
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<a name="142"><span class="lineNum"> 142 </span> : : not_eof(const int_type& __c)</a>
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<a name="143"><span class="lineNum"> 143 </span> : : { return !eq_int_type(__c, eof()) ? __c : to_int_type(char_type()); }</a>
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<a name="144"><span class="lineNum"> 144 </span> : : };</a>
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<a name="145"><span class="lineNum"> 145 </span> : : </a>
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<a name="146"><span class="lineNum"> 146 </span> : : template<typename _CharT></a>
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<a name="147"><span class="lineNum"> 147 </span> : : _GLIBCXX14_CONSTEXPR int</a>
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<a name="148"><span class="lineNum"> 148 </span> : : char_traits<_CharT>::</a>
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<a name="149"><span class="lineNum"> 149 </span> : : compare(const char_type* __s1, const char_type* __s2, std::size_t __n)</a>
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<a name="150"><span class="lineNum"> 150 </span> : : {</a>
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<a name="151"><span class="lineNum"> 151 </span> : : for (std::size_t __i = 0; __i < __n; ++__i)</a>
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<a name="152"><span class="lineNum"> 152 </span> : : if (lt(__s1[__i], __s2[__i]))</a>
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<a name="153"><span class="lineNum"> 153 </span> : : return -1;</a>
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<a name="154"><span class="lineNum"> 154 </span> : : else if (lt(__s2[__i], __s1[__i]))</a>
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<a name="155"><span class="lineNum"> 155 </span> : : return 1;</a>
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<a name="156"><span class="lineNum"> 156 </span> : : return 0;</a>
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<a name="157"><span class="lineNum"> 157 </span> : : }</a>
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<a name="158"><span class="lineNum"> 158 </span> : : </a>
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<a name="159"><span class="lineNum"> 159 </span> : : template<typename _CharT></a>
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<a name="160"><span class="lineNum"> 160 </span> : : _GLIBCXX14_CONSTEXPR std::size_t</a>
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<a name="161"><span class="lineNum"> 161 </span> : : char_traits<_CharT>::</a>
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<a name="162"><span class="lineNum"> 162 </span> : : length(const char_type* __p)</a>
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<a name="163"><span class="lineNum"> 163 </span> : : {</a>
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<a name="164"><span class="lineNum"> 164 </span> : : std::size_t __i = 0;</a>
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<a name="165"><span class="lineNum"> 165 </span> : : while (!eq(__p[__i], char_type()))</a>
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<a name="166"><span class="lineNum"> 166 </span> : : ++__i;</a>
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<a name="167"><span class="lineNum"> 167 </span> : : return __i;</a>
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<a name="168"><span class="lineNum"> 168 </span> : : }</a>
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<a name="169"><span class="lineNum"> 169 </span> : : </a>
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<a name="170"><span class="lineNum"> 170 </span> : : template<typename _CharT></a>
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<a name="171"><span class="lineNum"> 171 </span> : : _GLIBCXX14_CONSTEXPR const typename char_traits<_CharT>::char_type*</a>
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<a name="172"><span class="lineNum"> 172 </span> : : char_traits<_CharT>::</a>
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<a name="173"><span class="lineNum"> 173 </span> : : find(const char_type* __s, std::size_t __n, const char_type& __a)</a>
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<a name="174"><span class="lineNum"> 174 </span> : : {</a>
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<a name="175"><span class="lineNum"> 175 </span> : : for (std::size_t __i = 0; __i < __n; ++__i)</a>
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<a name="176"><span class="lineNum"> 176 </span> : : if (eq(__s[__i], __a))</a>
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<a name="177"><span class="lineNum"> 177 </span> : : return __s + __i;</a>
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|
<a name="178"><span class="lineNum"> 178 </span> : : return 0;</a>
|
|
<a name="179"><span class="lineNum"> 179 </span> : : }</a>
|
|
<a name="180"><span class="lineNum"> 180 </span> : : </a>
|
|
<a name="181"><span class="lineNum"> 181 </span> : : template<typename _CharT></a>
|
|
<a name="182"><span class="lineNum"> 182 </span> : : typename char_traits<_CharT>::char_type*</a>
|
|
<a name="183"><span class="lineNum"> 183 </span> : : char_traits<_CharT>::</a>
|
|
<a name="184"><span class="lineNum"> 184 </span> : : move(char_type* __s1, const char_type* __s2, std::size_t __n)</a>
|
|
<a name="185"><span class="lineNum"> 185 </span> : : {</a>
|
|
<a name="186"><span class="lineNum"> 186 </span> : : if (__n == 0)</a>
|
|
<a name="187"><span class="lineNum"> 187 </span> : : return __s1;</a>
|
|
<a name="188"><span class="lineNum"> 188 </span> : : return static_cast<_CharT*>(__builtin_memmove(__s1, __s2,</a>
|
|
<a name="189"><span class="lineNum"> 189 </span> : : __n * sizeof(char_type)));</a>
|
|
<a name="190"><span class="lineNum"> 190 </span> : : }</a>
|
|
<a name="191"><span class="lineNum"> 191 </span> : : </a>
|
|
<a name="192"><span class="lineNum"> 192 </span> : : template<typename _CharT></a>
|
|
<a name="193"><span class="lineNum"> 193 </span> : : typename char_traits<_CharT>::char_type*</a>
|
|
<a name="194"><span class="lineNum"> 194 </span> : : char_traits<_CharT>::</a>
|
|
<a name="195"><span class="lineNum"> 195 </span> : : copy(char_type* __s1, const char_type* __s2, std::size_t __n)</a>
|
|
<a name="196"><span class="lineNum"> 196 </span> : : {</a>
|
|
<a name="197"><span class="lineNum"> 197 </span> : : // NB: Inline std::copy so no recursive dependencies.</a>
|
|
<a name="198"><span class="lineNum"> 198 </span> : : std::copy(__s2, __s2 + __n, __s1);</a>
|
|
<a name="199"><span class="lineNum"> 199 </span> : : return __s1;</a>
|
|
<a name="200"><span class="lineNum"> 200 </span> : : }</a>
|
|
<a name="201"><span class="lineNum"> 201 </span> : : </a>
|
|
<a name="202"><span class="lineNum"> 202 </span> : : template<typename _CharT></a>
|
|
<a name="203"><span class="lineNum"> 203 </span> : : typename char_traits<_CharT>::char_type*</a>
|
|
<a name="204"><span class="lineNum"> 204 </span> : : char_traits<_CharT>::</a>
|
|
<a name="205"><span class="lineNum"> 205 </span> : : assign(char_type* __s, std::size_t __n, char_type __a)</a>
|
|
<a name="206"><span class="lineNum"> 206 </span> : : {</a>
|
|
<a name="207"><span class="lineNum"> 207 </span> : : // NB: Inline std::fill_n so no recursive dependencies.</a>
|
|
<a name="208"><span class="lineNum"> 208 </span> : : std::fill_n(__s, __n, __a);</a>
|
|
<a name="209"><span class="lineNum"> 209 </span> : : return __s;</a>
|
|
<a name="210"><span class="lineNum"> 210 </span> : : }</a>
|
|
<a name="211"><span class="lineNum"> 211 </span> : : </a>
|
|
<a name="212"><span class="lineNum"> 212 </span> : : _GLIBCXX_END_NAMESPACE_VERSION</a>
|
|
<a name="213"><span class="lineNum"> 213 </span> : : } // namespace</a>
|
|
<a name="214"><span class="lineNum"> 214 </span> : : </a>
|
|
<a name="215"><span class="lineNum"> 215 </span> : : namespace std _GLIBCXX_VISIBILITY(default)</a>
|
|
<a name="216"><span class="lineNum"> 216 </span> : : {</a>
|
|
<a name="217"><span class="lineNum"> 217 </span> : : _GLIBCXX_BEGIN_NAMESPACE_VERSION</a>
|
|
<a name="218"><span class="lineNum"> 218 </span> : : </a>
|
|
<a name="219"><span class="lineNum"> 219 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="220"><span class="lineNum"> 220 </span> : : #define __cpp_lib_constexpr_char_traits 201611</a>
|
|
<a name="221"><span class="lineNum"> 221 </span> : : </a>
|
|
<a name="222"><span class="lineNum"> 222 </span> : : /**</a>
|
|
<a name="223"><span class="lineNum"> 223 </span> : : * @brief Determine whether the characters of a NULL-terminated</a>
|
|
<a name="224"><span class="lineNum"> 224 </span> : : * string are known at compile time.</a>
|
|
<a name="225"><span class="lineNum"> 225 </span> : : * @param __s The string.</a>
|
|
<a name="226"><span class="lineNum"> 226 </span> : : *</a>
|
|
<a name="227"><span class="lineNum"> 227 </span> : : * Assumes that _CharT is a built-in character type.</a>
|
|
<a name="228"><span class="lineNum"> 228 </span> : : */</a>
|
|
<a name="229"><span class="lineNum"> 229 </span> : : template<typename _CharT></a>
|
|
<a name="230"><span class="lineNum"> 230 </span> : : static _GLIBCXX_ALWAYS_INLINE constexpr bool</a>
|
|
<a name="231"><span class="lineNum"> 231 </span> : : __constant_string_p(const _CharT* __s)</a>
|
|
<a name="232"><span class="lineNum"> 232 </span> : : {</a>
|
|
<a name="233"><span class="lineNum"> 233 </span> : : #ifdef _GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED</a>
|
|
<a name="234"><span class="lineNum"> 234 </span> : : (void) __s;</a>
|
|
<a name="235"><span class="lineNum"> 235 </span> : : // In constexpr contexts all strings should be constant.</a>
|
|
<a name="236"><span class="lineNum"> 236 </span> : : return __builtin_is_constant_evaluated();</a>
|
|
<a name="237"><span class="lineNum"> 237 </span> : : #else</a>
|
|
<a name="238"><span class="lineNum"> 238 </span> : : while (__builtin_constant_p(*__s) && *__s)</a>
|
|
<a name="239"><span class="lineNum"> 239 </span> : : __s++;</a>
|
|
<a name="240"><span class="lineNum"> 240 </span> : : return __builtin_constant_p(*__s);</a>
|
|
<a name="241"><span class="lineNum"> 241 </span> : : #endif</a>
|
|
<a name="242"><span class="lineNum"> 242 </span> : : }</a>
|
|
<a name="243"><span class="lineNum"> 243 </span> : : </a>
|
|
<a name="244"><span class="lineNum"> 244 </span> : : /**</a>
|
|
<a name="245"><span class="lineNum"> 245 </span> : : * @brief Determine whether the characters of a character array are</a>
|
|
<a name="246"><span class="lineNum"> 246 </span> : : * known at compile time.</a>
|
|
<a name="247"><span class="lineNum"> 247 </span> : : * @param __a The character array.</a>
|
|
<a name="248"><span class="lineNum"> 248 </span> : : * @param __n Number of characters.</a>
|
|
<a name="249"><span class="lineNum"> 249 </span> : : *</a>
|
|
<a name="250"><span class="lineNum"> 250 </span> : : * Assumes that _CharT is a built-in character type.</a>
|
|
<a name="251"><span class="lineNum"> 251 </span> : : */</a>
|
|
<a name="252"><span class="lineNum"> 252 </span> : : template<typename _CharT></a>
|
|
<a name="253"><span class="lineNum"> 253 </span> : : static _GLIBCXX_ALWAYS_INLINE constexpr bool</a>
|
|
<a name="254"><span class="lineNum"> 254 </span> : : __constant_char_array_p(const _CharT* __a, size_t __n)</a>
|
|
<a name="255"><span class="lineNum"> 255 </span> : : {</a>
|
|
<a name="256"><span class="lineNum"> 256 </span> : : #ifdef _GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED</a>
|
|
<a name="257"><span class="lineNum"> 257 </span> : : (void) __a;</a>
|
|
<a name="258"><span class="lineNum"> 258 </span> : : (void) __n;</a>
|
|
<a name="259"><span class="lineNum"> 259 </span> : : // In constexpr contexts all character arrays should be constant.</a>
|
|
<a name="260"><span class="lineNum"> 260 </span> : : return __builtin_is_constant_evaluated();</a>
|
|
<a name="261"><span class="lineNum"> 261 </span> : : #else</a>
|
|
<a name="262"><span class="lineNum"> 262 </span> : : size_t __i = 0;</a>
|
|
<a name="263"><span class="lineNum"> 263 </span> : : while (__i < __n && __builtin_constant_p(__a[__i]))</a>
|
|
<a name="264"><span class="lineNum"> 264 </span> : : __i++;</a>
|
|
<a name="265"><span class="lineNum"> 265 </span> : : return __i == __n;</a>
|
|
<a name="266"><span class="lineNum"> 266 </span> : : #endif</a>
|
|
<a name="267"><span class="lineNum"> 267 </span> : : }</a>
|
|
<a name="268"><span class="lineNum"> 268 </span> : : #endif</a>
|
|
<a name="269"><span class="lineNum"> 269 </span> : : </a>
|
|
<a name="270"><span class="lineNum"> 270 </span> : : // 21.1</a>
|
|
<a name="271"><span class="lineNum"> 271 </span> : : /**</a>
|
|
<a name="272"><span class="lineNum"> 272 </span> : : * @brief Basis for explicit traits specializations.</a>
|
|
<a name="273"><span class="lineNum"> 273 </span> : : *</a>
|
|
<a name="274"><span class="lineNum"> 274 </span> : : * @note For any given actual character type, this definition is</a>
|
|
<a name="275"><span class="lineNum"> 275 </span> : : * probably wrong. Since this is just a thin wrapper around</a>
|
|
<a name="276"><span class="lineNum"> 276 </span> : : * __gnu_cxx::char_traits, it is possible to achieve a more</a>
|
|
<a name="277"><span class="lineNum"> 277 </span> : : * appropriate definition by specializing __gnu_cxx::char_traits.</a>
|
|
<a name="278"><span class="lineNum"> 278 </span> : : *</a>
|
|
<a name="279"><span class="lineNum"> 279 </span> : : * See https://gcc.gnu.org/onlinedocs/libstdc++/manual/strings.html#strings.string.character_types</a>
|
|
<a name="280"><span class="lineNum"> 280 </span> : : * for advice on how to make use of this class for @a unusual character</a>
|
|
<a name="281"><span class="lineNum"> 281 </span> : : * types. Also, check out include/ext/pod_char_traits.h.</a>
|
|
<a name="282"><span class="lineNum"> 282 </span> : : */</a>
|
|
<a name="283"><span class="lineNum"> 283 </span> : : template<class _CharT></a>
|
|
<a name="284"><span class="lineNum"> 284 </span> : : struct char_traits : public __gnu_cxx::char_traits<_CharT></a>
|
|
<a name="285"><span class="lineNum"> 285 </span> : : { };</a>
|
|
<a name="286"><span class="lineNum"> 286 </span> : : </a>
|
|
<a name="287"><span class="lineNum"> 287 </span> : : </a>
|
|
<a name="288"><span class="lineNum"> 288 </span> : : /// 21.1.3.1 char_traits specializations</a>
|
|
<a name="289"><span class="lineNum"> 289 </span> : : template<></a>
|
|
<a name="290"><span class="lineNum"> 290 </span> : : struct char_traits<char></a>
|
|
<a name="291"><span class="lineNum"> 291 </span> : : {</a>
|
|
<a name="292"><span class="lineNum"> 292 </span> : : typedef char char_type;</a>
|
|
<a name="293"><span class="lineNum"> 293 </span> : : typedef int int_type;</a>
|
|
<a name="294"><span class="lineNum"> 294 </span> : : typedef streampos pos_type;</a>
|
|
<a name="295"><span class="lineNum"> 295 </span> : : typedef streamoff off_type;</a>
|
|
<a name="296"><span class="lineNum"> 296 </span> : : typedef mbstate_t state_type;</a>
|
|
<a name="297"><span class="lineNum"> 297 </span> : : </a>
|
|
<a name="298"><span class="lineNum"> 298 </span> : : static _GLIBCXX17_CONSTEXPR void</a>
|
|
<a name="299"><span class="lineNum"> 299 </span> : : assign(char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="300"><span class="lineNum"> 300 </span> : : { __c1 = __c2; }</a>
|
|
<a name="301"><span class="lineNum"> 301 </span> : : </a>
|
|
<a name="302"><span class="lineNum"> 302 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="303"><span class="lineNum"> 303 </span> : : eq(const char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="304"><span class="lineNum"> 304 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="305"><span class="lineNum"> 305 </span> : : </a>
|
|
<a name="306"><span class="lineNum"> 306 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="307"><span class="lineNum"> 307 </span> : : lt(const char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="308"><span class="lineNum"> 308 </span> : : {</a>
|
|
<a name="309"><span class="lineNum"> 309 </span> : : // LWG 467.</a>
|
|
<a name="310"><span class="lineNum"> 310 </span> : : return (static_cast<unsigned char>(__c1)</a>
|
|
<a name="311"><span class="lineNum"> 311 </span> : : < static_cast<unsigned char>(__c2));</a>
|
|
<a name="312"><span class="lineNum"> 312 </span> : : }</a>
|
|
<a name="313"><span class="lineNum"> 313 </span> : : </a>
|
|
<a name="314"><span class="lineNum"> 314 </span> : : static _GLIBCXX17_CONSTEXPR int</a>
|
|
<a name="315"><span class="lineNum"> 315 </span> : : compare(const char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="316"><span class="lineNum"> 316 </span> : : {</a>
|
|
<a name="317"><span class="lineNum"> 317 </span> : : if (__n == 0)</a>
|
|
<a name="318"><span class="lineNum"> 318 </span> : : return 0;</a>
|
|
<a name="319"><span class="lineNum"> 319 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="320"><span class="lineNum"> 320 </span> : : if (__builtin_constant_p(__n)</a>
|
|
<a name="321"><span class="lineNum"> 321 </span> : : && __constant_char_array_p(__s1, __n)</a>
|
|
<a name="322"><span class="lineNum"> 322 </span> : : && __constant_char_array_p(__s2, __n))</a>
|
|
<a name="323"><span class="lineNum"> 323 </span> : : {</a>
|
|
<a name="324"><span class="lineNum"> 324 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="325"><span class="lineNum"> 325 </span> : : if (lt(__s1[__i], __s2[__i]))</a>
|
|
<a name="326"><span class="lineNum"> 326 </span> : : return -1;</a>
|
|
<a name="327"><span class="lineNum"> 327 </span> : : else if (lt(__s2[__i], __s1[__i]))</a>
|
|
<a name="328"><span class="lineNum"> 328 </span> : : return 1;</a>
|
|
<a name="329"><span class="lineNum"> 329 </span> : : return 0;</a>
|
|
<a name="330"><span class="lineNum"> 330 </span> : : }</a>
|
|
<a name="331"><span class="lineNum"> 331 </span> : : #endif</a>
|
|
<a name="332"><span class="lineNum"> 332 </span> : : return __builtin_memcmp(__s1, __s2, __n);</a>
|
|
<a name="333"><span class="lineNum"> 333 </span> : : }</a>
|
|
<a name="334"><span class="lineNum"> 334 </span> : : </a>
|
|
<a name="335"><span class="lineNum"> 335 </span> : : static _GLIBCXX17_CONSTEXPR size_t</a>
|
|
<a name="336"><span class="lineNum"> 336 </span> :<span class="lineNoCov"> 0 : length(const char_type* __s)</span></a>
|
|
<a name="337"><span class="lineNum"> 337 </span> : : {</a>
|
|
<a name="338"><span class="lineNum"> 338 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="339"><span class="lineNum"> 339 </span> : : if (__constant_string_p(__s))</a>
|
|
<a name="340"><span class="lineNum"> 340 </span> : : return __gnu_cxx::char_traits<char_type>::length(__s);</a>
|
|
<a name="341"><span class="lineNum"> 341 </span> : : #endif</a>
|
|
<a name="342"><span class="lineNum"> 342 </span> :<span class="lineNoCov"> 0 : return __builtin_strlen(__s);</span></a>
|
|
<a name="343"><span class="lineNum"> 343 </span> : : }</a>
|
|
<a name="344"><span class="lineNum"> 344 </span> : : </a>
|
|
<a name="345"><span class="lineNum"> 345 </span> : : static _GLIBCXX17_CONSTEXPR const char_type*</a>
|
|
<a name="346"><span class="lineNum"> 346 </span> : : find(const char_type* __s, size_t __n, const char_type& __a)</a>
|
|
<a name="347"><span class="lineNum"> 347 </span> : : {</a>
|
|
<a name="348"><span class="lineNum"> 348 </span> : : if (__n == 0)</a>
|
|
<a name="349"><span class="lineNum"> 349 </span> : : return 0;</a>
|
|
<a name="350"><span class="lineNum"> 350 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="351"><span class="lineNum"> 351 </span> : : if (__builtin_constant_p(__n)</a>
|
|
<a name="352"><span class="lineNum"> 352 </span> : : && __builtin_constant_p(__a)</a>
|
|
<a name="353"><span class="lineNum"> 353 </span> : : && __constant_char_array_p(__s, __n))</a>
|
|
<a name="354"><span class="lineNum"> 354 </span> : : return __gnu_cxx::char_traits<char_type>::find(__s, __n, __a);</a>
|
|
<a name="355"><span class="lineNum"> 355 </span> : : #endif</a>
|
|
<a name="356"><span class="lineNum"> 356 </span> : : return static_cast<const char_type*>(__builtin_memchr(__s, __a, __n));</a>
|
|
<a name="357"><span class="lineNum"> 357 </span> : : }</a>
|
|
<a name="358"><span class="lineNum"> 358 </span> : : </a>
|
|
<a name="359"><span class="lineNum"> 359 </span> : : static char_type*</a>
|
|
<a name="360"><span class="lineNum"> 360 </span> : : move(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="361"><span class="lineNum"> 361 </span> : : {</a>
|
|
<a name="362"><span class="lineNum"> 362 </span> : : if (__n == 0)</a>
|
|
<a name="363"><span class="lineNum"> 363 </span> : : return __s1;</a>
|
|
<a name="364"><span class="lineNum"> 364 </span> : : return static_cast<char_type*>(__builtin_memmove(__s1, __s2, __n));</a>
|
|
<a name="365"><span class="lineNum"> 365 </span> : : }</a>
|
|
<a name="366"><span class="lineNum"> 366 </span> : : </a>
|
|
<a name="367"><span class="lineNum"> 367 </span> : : static char_type*</a>
|
|
<a name="368"><span class="lineNum"> 368 </span> : : copy(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="369"><span class="lineNum"> 369 </span> : : {</a>
|
|
<a name="370"><span class="lineNum"> 370 </span> : : if (__n == 0)</a>
|
|
<a name="371"><span class="lineNum"> 371 </span> : : return __s1;</a>
|
|
<a name="372"><span class="lineNum"> 372 </span> : : return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));</a>
|
|
<a name="373"><span class="lineNum"> 373 </span> : : }</a>
|
|
<a name="374"><span class="lineNum"> 374 </span> : : </a>
|
|
<a name="375"><span class="lineNum"> 375 </span> : : static char_type*</a>
|
|
<a name="376"><span class="lineNum"> 376 </span> : : assign(char_type* __s, size_t __n, char_type __a)</a>
|
|
<a name="377"><span class="lineNum"> 377 </span> : : {</a>
|
|
<a name="378"><span class="lineNum"> 378 </span> : : if (__n == 0)</a>
|
|
<a name="379"><span class="lineNum"> 379 </span> : : return __s;</a>
|
|
<a name="380"><span class="lineNum"> 380 </span> : : return static_cast<char_type*>(__builtin_memset(__s, __a, __n));</a>
|
|
<a name="381"><span class="lineNum"> 381 </span> : : }</a>
|
|
<a name="382"><span class="lineNum"> 382 </span> : : </a>
|
|
<a name="383"><span class="lineNum"> 383 </span> : : static _GLIBCXX_CONSTEXPR char_type</a>
|
|
<a name="384"><span class="lineNum"> 384 </span> : : to_char_type(const int_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="385"><span class="lineNum"> 385 </span> : : { return static_cast<char_type>(__c); }</a>
|
|
<a name="386"><span class="lineNum"> 386 </span> : : </a>
|
|
<a name="387"><span class="lineNum"> 387 </span> : : // To keep both the byte 0xff and the eof symbol 0xffffffff</a>
|
|
<a name="388"><span class="lineNum"> 388 </span> : : // from ending up as 0xffffffff.</a>
|
|
<a name="389"><span class="lineNum"> 389 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="390"><span class="lineNum"> 390 </span> : : to_int_type(const char_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="391"><span class="lineNum"> 391 </span> : : { return static_cast<int_type>(static_cast<unsigned char>(__c)); }</a>
|
|
<a name="392"><span class="lineNum"> 392 </span> : : </a>
|
|
<a name="393"><span class="lineNum"> 393 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="394"><span class="lineNum"> 394 </span> : : eq_int_type(const int_type& __c1, const int_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="395"><span class="lineNum"> 395 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="396"><span class="lineNum"> 396 </span> : : </a>
|
|
<a name="397"><span class="lineNum"> 397 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="398"><span class="lineNum"> 398 </span> : : eof() _GLIBCXX_NOEXCEPT</a>
|
|
<a name="399"><span class="lineNum"> 399 </span> : : { return static_cast<int_type>(_GLIBCXX_STDIO_EOF); }</a>
|
|
<a name="400"><span class="lineNum"> 400 </span> : : </a>
|
|
<a name="401"><span class="lineNum"> 401 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="402"><span class="lineNum"> 402 </span> : : not_eof(const int_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="403"><span class="lineNum"> 403 </span> : : { return (__c == eof()) ? 0 : __c; }</a>
|
|
<a name="404"><span class="lineNum"> 404 </span> : : };</a>
|
|
<a name="405"><span class="lineNum"> 405 </span> : : </a>
|
|
<a name="406"><span class="lineNum"> 406 </span> : : </a>
|
|
<a name="407"><span class="lineNum"> 407 </span> : : #ifdef _GLIBCXX_USE_WCHAR_T</a>
|
|
<a name="408"><span class="lineNum"> 408 </span> : : /// 21.1.3.2 char_traits specializations</a>
|
|
<a name="409"><span class="lineNum"> 409 </span> : : template<></a>
|
|
<a name="410"><span class="lineNum"> 410 </span> : : struct char_traits<wchar_t></a>
|
|
<a name="411"><span class="lineNum"> 411 </span> : : {</a>
|
|
<a name="412"><span class="lineNum"> 412 </span> : : typedef wchar_t char_type;</a>
|
|
<a name="413"><span class="lineNum"> 413 </span> : : typedef wint_t int_type;</a>
|
|
<a name="414"><span class="lineNum"> 414 </span> : : typedef streamoff off_type;</a>
|
|
<a name="415"><span class="lineNum"> 415 </span> : : typedef wstreampos pos_type;</a>
|
|
<a name="416"><span class="lineNum"> 416 </span> : : typedef mbstate_t state_type;</a>
|
|
<a name="417"><span class="lineNum"> 417 </span> : : </a>
|
|
<a name="418"><span class="lineNum"> 418 </span> : : static _GLIBCXX17_CONSTEXPR void</a>
|
|
<a name="419"><span class="lineNum"> 419 </span> : : assign(char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="420"><span class="lineNum"> 420 </span> : : { __c1 = __c2; }</a>
|
|
<a name="421"><span class="lineNum"> 421 </span> : : </a>
|
|
<a name="422"><span class="lineNum"> 422 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="423"><span class="lineNum"> 423 </span> : : eq(const char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="424"><span class="lineNum"> 424 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="425"><span class="lineNum"> 425 </span> : : </a>
|
|
<a name="426"><span class="lineNum"> 426 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="427"><span class="lineNum"> 427 </span> : : lt(const char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="428"><span class="lineNum"> 428 </span> : : { return __c1 < __c2; }</a>
|
|
<a name="429"><span class="lineNum"> 429 </span> : : </a>
|
|
<a name="430"><span class="lineNum"> 430 </span> : : static _GLIBCXX17_CONSTEXPR int</a>
|
|
<a name="431"><span class="lineNum"> 431 </span> : : compare(const char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="432"><span class="lineNum"> 432 </span> : : {</a>
|
|
<a name="433"><span class="lineNum"> 433 </span> : : if (__n == 0)</a>
|
|
<a name="434"><span class="lineNum"> 434 </span> : : return 0;</a>
|
|
<a name="435"><span class="lineNum"> 435 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="436"><span class="lineNum"> 436 </span> : : if (__builtin_constant_p(__n)</a>
|
|
<a name="437"><span class="lineNum"> 437 </span> : : && __constant_char_array_p(__s1, __n)</a>
|
|
<a name="438"><span class="lineNum"> 438 </span> : : && __constant_char_array_p(__s2, __n))</a>
|
|
<a name="439"><span class="lineNum"> 439 </span> : : return __gnu_cxx::char_traits<char_type>::compare(__s1, __s2, __n);</a>
|
|
<a name="440"><span class="lineNum"> 440 </span> : : #endif</a>
|
|
<a name="441"><span class="lineNum"> 441 </span> : : return wmemcmp(__s1, __s2, __n);</a>
|
|
<a name="442"><span class="lineNum"> 442 </span> : : }</a>
|
|
<a name="443"><span class="lineNum"> 443 </span> : : </a>
|
|
<a name="444"><span class="lineNum"> 444 </span> : : static _GLIBCXX17_CONSTEXPR size_t</a>
|
|
<a name="445"><span class="lineNum"> 445 </span> : : length(const char_type* __s)</a>
|
|
<a name="446"><span class="lineNum"> 446 </span> : : {</a>
|
|
<a name="447"><span class="lineNum"> 447 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="448"><span class="lineNum"> 448 </span> : : if (__constant_string_p(__s))</a>
|
|
<a name="449"><span class="lineNum"> 449 </span> : : return __gnu_cxx::char_traits<char_type>::length(__s);</a>
|
|
<a name="450"><span class="lineNum"> 450 </span> : : #endif</a>
|
|
<a name="451"><span class="lineNum"> 451 </span> : : return wcslen(__s);</a>
|
|
<a name="452"><span class="lineNum"> 452 </span> : : }</a>
|
|
<a name="453"><span class="lineNum"> 453 </span> : : </a>
|
|
<a name="454"><span class="lineNum"> 454 </span> : : static _GLIBCXX17_CONSTEXPR const char_type*</a>
|
|
<a name="455"><span class="lineNum"> 455 </span> : : find(const char_type* __s, size_t __n, const char_type& __a)</a>
|
|
<a name="456"><span class="lineNum"> 456 </span> : : {</a>
|
|
<a name="457"><span class="lineNum"> 457 </span> : : if (__n == 0)</a>
|
|
<a name="458"><span class="lineNum"> 458 </span> : : return 0;</a>
|
|
<a name="459"><span class="lineNum"> 459 </span> : : #if __cplusplus >= 201703L</a>
|
|
<a name="460"><span class="lineNum"> 460 </span> : : if (__builtin_constant_p(__n)</a>
|
|
<a name="461"><span class="lineNum"> 461 </span> : : && __builtin_constant_p(__a)</a>
|
|
<a name="462"><span class="lineNum"> 462 </span> : : && __constant_char_array_p(__s, __n))</a>
|
|
<a name="463"><span class="lineNum"> 463 </span> : : return __gnu_cxx::char_traits<char_type>::find(__s, __n, __a);</a>
|
|
<a name="464"><span class="lineNum"> 464 </span> : : #endif</a>
|
|
<a name="465"><span class="lineNum"> 465 </span> : : return wmemchr(__s, __a, __n);</a>
|
|
<a name="466"><span class="lineNum"> 466 </span> : : }</a>
|
|
<a name="467"><span class="lineNum"> 467 </span> : : </a>
|
|
<a name="468"><span class="lineNum"> 468 </span> : : static char_type*</a>
|
|
<a name="469"><span class="lineNum"> 469 </span> : : move(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="470"><span class="lineNum"> 470 </span> : : {</a>
|
|
<a name="471"><span class="lineNum"> 471 </span> : : if (__n == 0)</a>
|
|
<a name="472"><span class="lineNum"> 472 </span> : : return __s1;</a>
|
|
<a name="473"><span class="lineNum"> 473 </span> : : return wmemmove(__s1, __s2, __n);</a>
|
|
<a name="474"><span class="lineNum"> 474 </span> : : }</a>
|
|
<a name="475"><span class="lineNum"> 475 </span> : : </a>
|
|
<a name="476"><span class="lineNum"> 476 </span> : : static char_type*</a>
|
|
<a name="477"><span class="lineNum"> 477 </span> : : copy(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="478"><span class="lineNum"> 478 </span> : : {</a>
|
|
<a name="479"><span class="lineNum"> 479 </span> : : if (__n == 0)</a>
|
|
<a name="480"><span class="lineNum"> 480 </span> : : return __s1;</a>
|
|
<a name="481"><span class="lineNum"> 481 </span> : : return wmemcpy(__s1, __s2, __n);</a>
|
|
<a name="482"><span class="lineNum"> 482 </span> : : }</a>
|
|
<a name="483"><span class="lineNum"> 483 </span> : : </a>
|
|
<a name="484"><span class="lineNum"> 484 </span> : : static char_type*</a>
|
|
<a name="485"><span class="lineNum"> 485 </span> : : assign(char_type* __s, size_t __n, char_type __a)</a>
|
|
<a name="486"><span class="lineNum"> 486 </span> : : {</a>
|
|
<a name="487"><span class="lineNum"> 487 </span> : : if (__n == 0)</a>
|
|
<a name="488"><span class="lineNum"> 488 </span> : : return __s;</a>
|
|
<a name="489"><span class="lineNum"> 489 </span> : : return wmemset(__s, __a, __n);</a>
|
|
<a name="490"><span class="lineNum"> 490 </span> : : }</a>
|
|
<a name="491"><span class="lineNum"> 491 </span> : : </a>
|
|
<a name="492"><span class="lineNum"> 492 </span> : : static _GLIBCXX_CONSTEXPR char_type</a>
|
|
<a name="493"><span class="lineNum"> 493 </span> : : to_char_type(const int_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="494"><span class="lineNum"> 494 </span> : : { return char_type(__c); }</a>
|
|
<a name="495"><span class="lineNum"> 495 </span> : : </a>
|
|
<a name="496"><span class="lineNum"> 496 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="497"><span class="lineNum"> 497 </span> : : to_int_type(const char_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="498"><span class="lineNum"> 498 </span> : : { return int_type(__c); }</a>
|
|
<a name="499"><span class="lineNum"> 499 </span> : : </a>
|
|
<a name="500"><span class="lineNum"> 500 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="501"><span class="lineNum"> 501 </span> : : eq_int_type(const int_type& __c1, const int_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="502"><span class="lineNum"> 502 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="503"><span class="lineNum"> 503 </span> : : </a>
|
|
<a name="504"><span class="lineNum"> 504 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="505"><span class="lineNum"> 505 </span> : : eof() _GLIBCXX_NOEXCEPT</a>
|
|
<a name="506"><span class="lineNum"> 506 </span> : : { return static_cast<int_type>(WEOF); }</a>
|
|
<a name="507"><span class="lineNum"> 507 </span> : : </a>
|
|
<a name="508"><span class="lineNum"> 508 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="509"><span class="lineNum"> 509 </span> : : not_eof(const int_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="510"><span class="lineNum"> 510 </span> : : { return eq_int_type(__c, eof()) ? 0 : __c; }</a>
|
|
<a name="511"><span class="lineNum"> 511 </span> : : };</a>
|
|
<a name="512"><span class="lineNum"> 512 </span> : : #endif //_GLIBCXX_USE_WCHAR_T</a>
|
|
<a name="513"><span class="lineNum"> 513 </span> : : </a>
|
|
<a name="514"><span class="lineNum"> 514 </span> : : #ifdef _GLIBCXX_USE_CHAR8_T</a>
|
|
<a name="515"><span class="lineNum"> 515 </span> : : template<></a>
|
|
<a name="516"><span class="lineNum"> 516 </span> : : struct char_traits<char8_t></a>
|
|
<a name="517"><span class="lineNum"> 517 </span> : : {</a>
|
|
<a name="518"><span class="lineNum"> 518 </span> : : typedef char8_t char_type;</a>
|
|
<a name="519"><span class="lineNum"> 519 </span> : : typedef unsigned int int_type;</a>
|
|
<a name="520"><span class="lineNum"> 520 </span> : : typedef u8streampos pos_type;</a>
|
|
<a name="521"><span class="lineNum"> 521 </span> : : typedef streamoff off_type;</a>
|
|
<a name="522"><span class="lineNum"> 522 </span> : : typedef mbstate_t state_type;</a>
|
|
<a name="523"><span class="lineNum"> 523 </span> : : </a>
|
|
<a name="524"><span class="lineNum"> 524 </span> : : static _GLIBCXX17_CONSTEXPR void</a>
|
|
<a name="525"><span class="lineNum"> 525 </span> : : assign(char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="526"><span class="lineNum"> 526 </span> : : { __c1 = __c2; }</a>
|
|
<a name="527"><span class="lineNum"> 527 </span> : : </a>
|
|
<a name="528"><span class="lineNum"> 528 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="529"><span class="lineNum"> 529 </span> : : eq(const char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="530"><span class="lineNum"> 530 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="531"><span class="lineNum"> 531 </span> : : </a>
|
|
<a name="532"><span class="lineNum"> 532 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="533"><span class="lineNum"> 533 </span> : : lt(const char_type& __c1, const char_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="534"><span class="lineNum"> 534 </span> : : { return __c1 < __c2; }</a>
|
|
<a name="535"><span class="lineNum"> 535 </span> : : </a>
|
|
<a name="536"><span class="lineNum"> 536 </span> : : static _GLIBCXX17_CONSTEXPR int</a>
|
|
<a name="537"><span class="lineNum"> 537 </span> : : compare(const char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="538"><span class="lineNum"> 538 </span> : : {</a>
|
|
<a name="539"><span class="lineNum"> 539 </span> : : if (__n == 0)</a>
|
|
<a name="540"><span class="lineNum"> 540 </span> : : return 0;</a>
|
|
<a name="541"><span class="lineNum"> 541 </span> : : #if __cplusplus > 201402</a>
|
|
<a name="542"><span class="lineNum"> 542 </span> : : if (__builtin_constant_p(__n)</a>
|
|
<a name="543"><span class="lineNum"> 543 </span> : : && __constant_char_array_p(__s1, __n)</a>
|
|
<a name="544"><span class="lineNum"> 544 </span> : : && __constant_char_array_p(__s2, __n))</a>
|
|
<a name="545"><span class="lineNum"> 545 </span> : : return __gnu_cxx::char_traits<char_type>::compare(__s1, __s2, __n);</a>
|
|
<a name="546"><span class="lineNum"> 546 </span> : : #endif</a>
|
|
<a name="547"><span class="lineNum"> 547 </span> : : return __builtin_memcmp(__s1, __s2, __n);</a>
|
|
<a name="548"><span class="lineNum"> 548 </span> : : }</a>
|
|
<a name="549"><span class="lineNum"> 549 </span> : : </a>
|
|
<a name="550"><span class="lineNum"> 550 </span> : : static _GLIBCXX17_CONSTEXPR size_t</a>
|
|
<a name="551"><span class="lineNum"> 551 </span> : : length(const char_type* __s)</a>
|
|
<a name="552"><span class="lineNum"> 552 </span> : : {</a>
|
|
<a name="553"><span class="lineNum"> 553 </span> : : #if __cplusplus > 201402</a>
|
|
<a name="554"><span class="lineNum"> 554 </span> : : if (__constant_string_p(__s))</a>
|
|
<a name="555"><span class="lineNum"> 555 </span> : : return __gnu_cxx::char_traits<char_type>::length(__s);</a>
|
|
<a name="556"><span class="lineNum"> 556 </span> : : #endif</a>
|
|
<a name="557"><span class="lineNum"> 557 </span> : : size_t __i = 0;</a>
|
|
<a name="558"><span class="lineNum"> 558 </span> : : while (!eq(__s[__i], char_type()))</a>
|
|
<a name="559"><span class="lineNum"> 559 </span> : : ++__i;</a>
|
|
<a name="560"><span class="lineNum"> 560 </span> : : return __i;</a>
|
|
<a name="561"><span class="lineNum"> 561 </span> : : }</a>
|
|
<a name="562"><span class="lineNum"> 562 </span> : : </a>
|
|
<a name="563"><span class="lineNum"> 563 </span> : : static _GLIBCXX17_CONSTEXPR const char_type*</a>
|
|
<a name="564"><span class="lineNum"> 564 </span> : : find(const char_type* __s, size_t __n, const char_type& __a)</a>
|
|
<a name="565"><span class="lineNum"> 565 </span> : : {</a>
|
|
<a name="566"><span class="lineNum"> 566 </span> : : if (__n == 0)</a>
|
|
<a name="567"><span class="lineNum"> 567 </span> : : return 0;</a>
|
|
<a name="568"><span class="lineNum"> 568 </span> : : #if __cplusplus > 201402</a>
|
|
<a name="569"><span class="lineNum"> 569 </span> : : if (__builtin_constant_p(__n)</a>
|
|
<a name="570"><span class="lineNum"> 570 </span> : : && __builtin_constant_p(__a)</a>
|
|
<a name="571"><span class="lineNum"> 571 </span> : : && __constant_char_array_p(__s, __n))</a>
|
|
<a name="572"><span class="lineNum"> 572 </span> : : return __gnu_cxx::char_traits<char_type>::find(__s, __n, __a);</a>
|
|
<a name="573"><span class="lineNum"> 573 </span> : : #endif</a>
|
|
<a name="574"><span class="lineNum"> 574 </span> : : return static_cast<const char_type*>(__builtin_memchr(__s, __a, __n));</a>
|
|
<a name="575"><span class="lineNum"> 575 </span> : : }</a>
|
|
<a name="576"><span class="lineNum"> 576 </span> : : </a>
|
|
<a name="577"><span class="lineNum"> 577 </span> : : static char_type*</a>
|
|
<a name="578"><span class="lineNum"> 578 </span> : : move(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="579"><span class="lineNum"> 579 </span> : : {</a>
|
|
<a name="580"><span class="lineNum"> 580 </span> : : if (__n == 0)</a>
|
|
<a name="581"><span class="lineNum"> 581 </span> : : return __s1;</a>
|
|
<a name="582"><span class="lineNum"> 582 </span> : : return static_cast<char_type*>(__builtin_memmove(__s1, __s2, __n));</a>
|
|
<a name="583"><span class="lineNum"> 583 </span> : : }</a>
|
|
<a name="584"><span class="lineNum"> 584 </span> : : </a>
|
|
<a name="585"><span class="lineNum"> 585 </span> : : static char_type*</a>
|
|
<a name="586"><span class="lineNum"> 586 </span> : : copy(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="587"><span class="lineNum"> 587 </span> : : {</a>
|
|
<a name="588"><span class="lineNum"> 588 </span> : : if (__n == 0)</a>
|
|
<a name="589"><span class="lineNum"> 589 </span> : : return __s1;</a>
|
|
<a name="590"><span class="lineNum"> 590 </span> : : return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));</a>
|
|
<a name="591"><span class="lineNum"> 591 </span> : : }</a>
|
|
<a name="592"><span class="lineNum"> 592 </span> : : </a>
|
|
<a name="593"><span class="lineNum"> 593 </span> : : static char_type*</a>
|
|
<a name="594"><span class="lineNum"> 594 </span> : : assign(char_type* __s, size_t __n, char_type __a)</a>
|
|
<a name="595"><span class="lineNum"> 595 </span> : : {</a>
|
|
<a name="596"><span class="lineNum"> 596 </span> : : if (__n == 0)</a>
|
|
<a name="597"><span class="lineNum"> 597 </span> : : return __s;</a>
|
|
<a name="598"><span class="lineNum"> 598 </span> : : return static_cast<char_type*>(__builtin_memset(__s, __a, __n));</a>
|
|
<a name="599"><span class="lineNum"> 599 </span> : : }</a>
|
|
<a name="600"><span class="lineNum"> 600 </span> : : </a>
|
|
<a name="601"><span class="lineNum"> 601 </span> : : static _GLIBCXX_CONSTEXPR char_type</a>
|
|
<a name="602"><span class="lineNum"> 602 </span> : : to_char_type(const int_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="603"><span class="lineNum"> 603 </span> : : { return char_type(__c); }</a>
|
|
<a name="604"><span class="lineNum"> 604 </span> : : </a>
|
|
<a name="605"><span class="lineNum"> 605 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="606"><span class="lineNum"> 606 </span> : : to_int_type(const char_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="607"><span class="lineNum"> 607 </span> : : { return int_type(__c); }</a>
|
|
<a name="608"><span class="lineNum"> 608 </span> : : </a>
|
|
<a name="609"><span class="lineNum"> 609 </span> : : static _GLIBCXX_CONSTEXPR bool</a>
|
|
<a name="610"><span class="lineNum"> 610 </span> : : eq_int_type(const int_type& __c1, const int_type& __c2) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="611"><span class="lineNum"> 611 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="612"><span class="lineNum"> 612 </span> : : </a>
|
|
<a name="613"><span class="lineNum"> 613 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="614"><span class="lineNum"> 614 </span> : : eof() _GLIBCXX_NOEXCEPT</a>
|
|
<a name="615"><span class="lineNum"> 615 </span> : : { return static_cast<int_type>(-1); }</a>
|
|
<a name="616"><span class="lineNum"> 616 </span> : : </a>
|
|
<a name="617"><span class="lineNum"> 617 </span> : : static _GLIBCXX_CONSTEXPR int_type</a>
|
|
<a name="618"><span class="lineNum"> 618 </span> : : not_eof(const int_type& __c) _GLIBCXX_NOEXCEPT</a>
|
|
<a name="619"><span class="lineNum"> 619 </span> : : { return eq_int_type(__c, eof()) ? 0 : __c; }</a>
|
|
<a name="620"><span class="lineNum"> 620 </span> : : };</a>
|
|
<a name="621"><span class="lineNum"> 621 </span> : : #endif //_GLIBCXX_USE_CHAR8_T</a>
|
|
<a name="622"><span class="lineNum"> 622 </span> : : </a>
|
|
<a name="623"><span class="lineNum"> 623 </span> : : _GLIBCXX_END_NAMESPACE_VERSION</a>
|
|
<a name="624"><span class="lineNum"> 624 </span> : : } // namespace</a>
|
|
<a name="625"><span class="lineNum"> 625 </span> : : </a>
|
|
<a name="626"><span class="lineNum"> 626 </span> : : #if __cplusplus >= 201103L</a>
|
|
<a name="627"><span class="lineNum"> 627 </span> : : </a>
|
|
<a name="628"><span class="lineNum"> 628 </span> : : #include <cstdint></a>
|
|
<a name="629"><span class="lineNum"> 629 </span> : : </a>
|
|
<a name="630"><span class="lineNum"> 630 </span> : : namespace std _GLIBCXX_VISIBILITY(default)</a>
|
|
<a name="631"><span class="lineNum"> 631 </span> : : {</a>
|
|
<a name="632"><span class="lineNum"> 632 </span> : : _GLIBCXX_BEGIN_NAMESPACE_VERSION</a>
|
|
<a name="633"><span class="lineNum"> 633 </span> : : </a>
|
|
<a name="634"><span class="lineNum"> 634 </span> : : template<></a>
|
|
<a name="635"><span class="lineNum"> 635 </span> : : struct char_traits<char16_t></a>
|
|
<a name="636"><span class="lineNum"> 636 </span> : : {</a>
|
|
<a name="637"><span class="lineNum"> 637 </span> : : typedef char16_t char_type;</a>
|
|
<a name="638"><span class="lineNum"> 638 </span> : : #ifdef _GLIBCXX_USE_C99_STDINT_TR1</a>
|
|
<a name="639"><span class="lineNum"> 639 </span> : : typedef uint_least16_t int_type;</a>
|
|
<a name="640"><span class="lineNum"> 640 </span> : : #elif defined __UINT_LEAST16_TYPE__</a>
|
|
<a name="641"><span class="lineNum"> 641 </span> : : typedef __UINT_LEAST16_TYPE__ int_type;</a>
|
|
<a name="642"><span class="lineNum"> 642 </span> : : #else</a>
|
|
<a name="643"><span class="lineNum"> 643 </span> : : typedef make_unsigned<char16_t>::type int_type;</a>
|
|
<a name="644"><span class="lineNum"> 644 </span> : : #endif</a>
|
|
<a name="645"><span class="lineNum"> 645 </span> : : typedef streamoff off_type;</a>
|
|
<a name="646"><span class="lineNum"> 646 </span> : : typedef u16streampos pos_type;</a>
|
|
<a name="647"><span class="lineNum"> 647 </span> : : typedef mbstate_t state_type;</a>
|
|
<a name="648"><span class="lineNum"> 648 </span> : : </a>
|
|
<a name="649"><span class="lineNum"> 649 </span> : : static _GLIBCXX17_CONSTEXPR void</a>
|
|
<a name="650"><span class="lineNum"> 650 </span> : : assign(char_type& __c1, const char_type& __c2) noexcept</a>
|
|
<a name="651"><span class="lineNum"> 651 </span> : : { __c1 = __c2; }</a>
|
|
<a name="652"><span class="lineNum"> 652 </span> : : </a>
|
|
<a name="653"><span class="lineNum"> 653 </span> : : static constexpr bool</a>
|
|
<a name="654"><span class="lineNum"> 654 </span> : : eq(const char_type& __c1, const char_type& __c2) noexcept</a>
|
|
<a name="655"><span class="lineNum"> 655 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="656"><span class="lineNum"> 656 </span> : : </a>
|
|
<a name="657"><span class="lineNum"> 657 </span> : : static constexpr bool</a>
|
|
<a name="658"><span class="lineNum"> 658 </span> : : lt(const char_type& __c1, const char_type& __c2) noexcept</a>
|
|
<a name="659"><span class="lineNum"> 659 </span> : : { return __c1 < __c2; }</a>
|
|
<a name="660"><span class="lineNum"> 660 </span> : : </a>
|
|
<a name="661"><span class="lineNum"> 661 </span> : : static _GLIBCXX17_CONSTEXPR int</a>
|
|
<a name="662"><span class="lineNum"> 662 </span> : : compare(const char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="663"><span class="lineNum"> 663 </span> : : {</a>
|
|
<a name="664"><span class="lineNum"> 664 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="665"><span class="lineNum"> 665 </span> : : if (lt(__s1[__i], __s2[__i]))</a>
|
|
<a name="666"><span class="lineNum"> 666 </span> : : return -1;</a>
|
|
<a name="667"><span class="lineNum"> 667 </span> : : else if (lt(__s2[__i], __s1[__i]))</a>
|
|
<a name="668"><span class="lineNum"> 668 </span> : : return 1;</a>
|
|
<a name="669"><span class="lineNum"> 669 </span> : : return 0;</a>
|
|
<a name="670"><span class="lineNum"> 670 </span> : : }</a>
|
|
<a name="671"><span class="lineNum"> 671 </span> : : </a>
|
|
<a name="672"><span class="lineNum"> 672 </span> : : static _GLIBCXX17_CONSTEXPR size_t</a>
|
|
<a name="673"><span class="lineNum"> 673 </span> : : length(const char_type* __s)</a>
|
|
<a name="674"><span class="lineNum"> 674 </span> : : {</a>
|
|
<a name="675"><span class="lineNum"> 675 </span> : : size_t __i = 0;</a>
|
|
<a name="676"><span class="lineNum"> 676 </span> : : while (!eq(__s[__i], char_type()))</a>
|
|
<a name="677"><span class="lineNum"> 677 </span> : : ++__i;</a>
|
|
<a name="678"><span class="lineNum"> 678 </span> : : return __i;</a>
|
|
<a name="679"><span class="lineNum"> 679 </span> : : }</a>
|
|
<a name="680"><span class="lineNum"> 680 </span> : : </a>
|
|
<a name="681"><span class="lineNum"> 681 </span> : : static _GLIBCXX17_CONSTEXPR const char_type*</a>
|
|
<a name="682"><span class="lineNum"> 682 </span> : : find(const char_type* __s, size_t __n, const char_type& __a)</a>
|
|
<a name="683"><span class="lineNum"> 683 </span> : : {</a>
|
|
<a name="684"><span class="lineNum"> 684 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="685"><span class="lineNum"> 685 </span> : : if (eq(__s[__i], __a))</a>
|
|
<a name="686"><span class="lineNum"> 686 </span> : : return __s + __i;</a>
|
|
<a name="687"><span class="lineNum"> 687 </span> : : return 0;</a>
|
|
<a name="688"><span class="lineNum"> 688 </span> : : }</a>
|
|
<a name="689"><span class="lineNum"> 689 </span> : : </a>
|
|
<a name="690"><span class="lineNum"> 690 </span> : : static char_type*</a>
|
|
<a name="691"><span class="lineNum"> 691 </span> : : move(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="692"><span class="lineNum"> 692 </span> : : {</a>
|
|
<a name="693"><span class="lineNum"> 693 </span> : : if (__n == 0)</a>
|
|
<a name="694"><span class="lineNum"> 694 </span> : : return __s1;</a>
|
|
<a name="695"><span class="lineNum"> 695 </span> : : return (static_cast<char_type*></a>
|
|
<a name="696"><span class="lineNum"> 696 </span> : : (__builtin_memmove(__s1, __s2, __n * sizeof(char_type))));</a>
|
|
<a name="697"><span class="lineNum"> 697 </span> : : }</a>
|
|
<a name="698"><span class="lineNum"> 698 </span> : : </a>
|
|
<a name="699"><span class="lineNum"> 699 </span> : : static char_type*</a>
|
|
<a name="700"><span class="lineNum"> 700 </span> : : copy(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="701"><span class="lineNum"> 701 </span> : : {</a>
|
|
<a name="702"><span class="lineNum"> 702 </span> : : if (__n == 0)</a>
|
|
<a name="703"><span class="lineNum"> 703 </span> : : return __s1;</a>
|
|
<a name="704"><span class="lineNum"> 704 </span> : : return (static_cast<char_type*></a>
|
|
<a name="705"><span class="lineNum"> 705 </span> : : (__builtin_memcpy(__s1, __s2, __n * sizeof(char_type))));</a>
|
|
<a name="706"><span class="lineNum"> 706 </span> : : }</a>
|
|
<a name="707"><span class="lineNum"> 707 </span> : : </a>
|
|
<a name="708"><span class="lineNum"> 708 </span> : : static char_type*</a>
|
|
<a name="709"><span class="lineNum"> 709 </span> : : assign(char_type* __s, size_t __n, char_type __a)</a>
|
|
<a name="710"><span class="lineNum"> 710 </span> : : {</a>
|
|
<a name="711"><span class="lineNum"> 711 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="712"><span class="lineNum"> 712 </span> : : assign(__s[__i], __a);</a>
|
|
<a name="713"><span class="lineNum"> 713 </span> : : return __s;</a>
|
|
<a name="714"><span class="lineNum"> 714 </span> : : }</a>
|
|
<a name="715"><span class="lineNum"> 715 </span> : : </a>
|
|
<a name="716"><span class="lineNum"> 716 </span> : : static constexpr char_type</a>
|
|
<a name="717"><span class="lineNum"> 717 </span> : : to_char_type(const int_type& __c) noexcept</a>
|
|
<a name="718"><span class="lineNum"> 718 </span> : : { return char_type(__c); }</a>
|
|
<a name="719"><span class="lineNum"> 719 </span> : : </a>
|
|
<a name="720"><span class="lineNum"> 720 </span> : : static constexpr int_type</a>
|
|
<a name="721"><span class="lineNum"> 721 </span> : : to_int_type(const char_type& __c) noexcept</a>
|
|
<a name="722"><span class="lineNum"> 722 </span> : : { return __c == eof() ? int_type(0xfffd) : int_type(__c); }</a>
|
|
<a name="723"><span class="lineNum"> 723 </span> : : </a>
|
|
<a name="724"><span class="lineNum"> 724 </span> : : static constexpr bool</a>
|
|
<a name="725"><span class="lineNum"> 725 </span> : : eq_int_type(const int_type& __c1, const int_type& __c2) noexcept</a>
|
|
<a name="726"><span class="lineNum"> 726 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="727"><span class="lineNum"> 727 </span> : : </a>
|
|
<a name="728"><span class="lineNum"> 728 </span> : : static constexpr int_type</a>
|
|
<a name="729"><span class="lineNum"> 729 </span> : : eof() noexcept</a>
|
|
<a name="730"><span class="lineNum"> 730 </span> : : { return static_cast<int_type>(-1); }</a>
|
|
<a name="731"><span class="lineNum"> 731 </span> : : </a>
|
|
<a name="732"><span class="lineNum"> 732 </span> : : static constexpr int_type</a>
|
|
<a name="733"><span class="lineNum"> 733 </span> : : not_eof(const int_type& __c) noexcept</a>
|
|
<a name="734"><span class="lineNum"> 734 </span> : : { return eq_int_type(__c, eof()) ? 0 : __c; }</a>
|
|
<a name="735"><span class="lineNum"> 735 </span> : : };</a>
|
|
<a name="736"><span class="lineNum"> 736 </span> : : </a>
|
|
<a name="737"><span class="lineNum"> 737 </span> : : template<></a>
|
|
<a name="738"><span class="lineNum"> 738 </span> : : struct char_traits<char32_t></a>
|
|
<a name="739"><span class="lineNum"> 739 </span> : : {</a>
|
|
<a name="740"><span class="lineNum"> 740 </span> : : typedef char32_t char_type;</a>
|
|
<a name="741"><span class="lineNum"> 741 </span> : : #ifdef _GLIBCXX_USE_C99_STDINT_TR1</a>
|
|
<a name="742"><span class="lineNum"> 742 </span> : : typedef uint_least32_t int_type;</a>
|
|
<a name="743"><span class="lineNum"> 743 </span> : : #elif defined __UINT_LEAST32_TYPE__</a>
|
|
<a name="744"><span class="lineNum"> 744 </span> : : typedef __UINT_LEAST32_TYPE__ int_type;</a>
|
|
<a name="745"><span class="lineNum"> 745 </span> : : #else</a>
|
|
<a name="746"><span class="lineNum"> 746 </span> : : typedef make_unsigned<char32_t>::type int_type;</a>
|
|
<a name="747"><span class="lineNum"> 747 </span> : : #endif</a>
|
|
<a name="748"><span class="lineNum"> 748 </span> : : typedef streamoff off_type;</a>
|
|
<a name="749"><span class="lineNum"> 749 </span> : : typedef u32streampos pos_type;</a>
|
|
<a name="750"><span class="lineNum"> 750 </span> : : typedef mbstate_t state_type;</a>
|
|
<a name="751"><span class="lineNum"> 751 </span> : : </a>
|
|
<a name="752"><span class="lineNum"> 752 </span> : : static _GLIBCXX17_CONSTEXPR void</a>
|
|
<a name="753"><span class="lineNum"> 753 </span> : : assign(char_type& __c1, const char_type& __c2) noexcept</a>
|
|
<a name="754"><span class="lineNum"> 754 </span> : : { __c1 = __c2; }</a>
|
|
<a name="755"><span class="lineNum"> 755 </span> : : </a>
|
|
<a name="756"><span class="lineNum"> 756 </span> : : static constexpr bool</a>
|
|
<a name="757"><span class="lineNum"> 757 </span> : : eq(const char_type& __c1, const char_type& __c2) noexcept</a>
|
|
<a name="758"><span class="lineNum"> 758 </span> : : { return __c1 == __c2; }</a>
|
|
<a name="759"><span class="lineNum"> 759 </span> : : </a>
|
|
<a name="760"><span class="lineNum"> 760 </span> : : static constexpr bool</a>
|
|
<a name="761"><span class="lineNum"> 761 </span> : : lt(const char_type& __c1, const char_type& __c2) noexcept</a>
|
|
<a name="762"><span class="lineNum"> 762 </span> : : { return __c1 < __c2; }</a>
|
|
<a name="763"><span class="lineNum"> 763 </span> : : </a>
|
|
<a name="764"><span class="lineNum"> 764 </span> : : static _GLIBCXX17_CONSTEXPR int</a>
|
|
<a name="765"><span class="lineNum"> 765 </span> : : compare(const char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="766"><span class="lineNum"> 766 </span> : : {</a>
|
|
<a name="767"><span class="lineNum"> 767 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="768"><span class="lineNum"> 768 </span> : : if (lt(__s1[__i], __s2[__i]))</a>
|
|
<a name="769"><span class="lineNum"> 769 </span> : : return -1;</a>
|
|
<a name="770"><span class="lineNum"> 770 </span> : : else if (lt(__s2[__i], __s1[__i]))</a>
|
|
<a name="771"><span class="lineNum"> 771 </span> : : return 1;</a>
|
|
<a name="772"><span class="lineNum"> 772 </span> : : return 0;</a>
|
|
<a name="773"><span class="lineNum"> 773 </span> : : }</a>
|
|
<a name="774"><span class="lineNum"> 774 </span> : : </a>
|
|
<a name="775"><span class="lineNum"> 775 </span> : : static _GLIBCXX17_CONSTEXPR size_t</a>
|
|
<a name="776"><span class="lineNum"> 776 </span> : : length(const char_type* __s)</a>
|
|
<a name="777"><span class="lineNum"> 777 </span> : : {</a>
|
|
<a name="778"><span class="lineNum"> 778 </span> : : size_t __i = 0;</a>
|
|
<a name="779"><span class="lineNum"> 779 </span> : : while (!eq(__s[__i], char_type()))</a>
|
|
<a name="780"><span class="lineNum"> 780 </span> : : ++__i;</a>
|
|
<a name="781"><span class="lineNum"> 781 </span> : : return __i;</a>
|
|
<a name="782"><span class="lineNum"> 782 </span> : : }</a>
|
|
<a name="783"><span class="lineNum"> 783 </span> : : </a>
|
|
<a name="784"><span class="lineNum"> 784 </span> : : static _GLIBCXX17_CONSTEXPR const char_type*</a>
|
|
<a name="785"><span class="lineNum"> 785 </span> : : find(const char_type* __s, size_t __n, const char_type& __a)</a>
|
|
<a name="786"><span class="lineNum"> 786 </span> : : {</a>
|
|
<a name="787"><span class="lineNum"> 787 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="788"><span class="lineNum"> 788 </span> : : if (eq(__s[__i], __a))</a>
|
|
<a name="789"><span class="lineNum"> 789 </span> : : return __s + __i;</a>
|
|
<a name="790"><span class="lineNum"> 790 </span> : : return 0;</a>
|
|
<a name="791"><span class="lineNum"> 791 </span> : : }</a>
|
|
<a name="792"><span class="lineNum"> 792 </span> : : </a>
|
|
<a name="793"><span class="lineNum"> 793 </span> : : static char_type*</a>
|
|
<a name="794"><span class="lineNum"> 794 </span> : : move(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="795"><span class="lineNum"> 795 </span> : : {</a>
|
|
<a name="796"><span class="lineNum"> 796 </span> : : if (__n == 0)</a>
|
|
<a name="797"><span class="lineNum"> 797 </span> : : return __s1;</a>
|
|
<a name="798"><span class="lineNum"> 798 </span> : : return (static_cast<char_type*></a>
|
|
<a name="799"><span class="lineNum"> 799 </span> : : (__builtin_memmove(__s1, __s2, __n * sizeof(char_type))));</a>
|
|
<a name="800"><span class="lineNum"> 800 </span> : : }</a>
|
|
<a name="801"><span class="lineNum"> 801 </span> : : </a>
|
|
<a name="802"><span class="lineNum"> 802 </span> : : static char_type*</a>
|
|
<a name="803"><span class="lineNum"> 803 </span> : : copy(char_type* __s1, const char_type* __s2, size_t __n)</a>
|
|
<a name="804"><span class="lineNum"> 804 </span> : : { </a>
|
|
<a name="805"><span class="lineNum"> 805 </span> : : if (__n == 0)</a>
|
|
<a name="806"><span class="lineNum"> 806 </span> : : return __s1;</a>
|
|
<a name="807"><span class="lineNum"> 807 </span> : : return (static_cast<char_type*></a>
|
|
<a name="808"><span class="lineNum"> 808 </span> : : (__builtin_memcpy(__s1, __s2, __n * sizeof(char_type))));</a>
|
|
<a name="809"><span class="lineNum"> 809 </span> : : }</a>
|
|
<a name="810"><span class="lineNum"> 810 </span> : : </a>
|
|
<a name="811"><span class="lineNum"> 811 </span> : : static char_type*</a>
|
|
<a name="812"><span class="lineNum"> 812 </span> : : assign(char_type* __s, size_t __n, char_type __a)</a>
|
|
<a name="813"><span class="lineNum"> 813 </span> : : {</a>
|
|
<a name="814"><span class="lineNum"> 814 </span> : : for (size_t __i = 0; __i < __n; ++__i)</a>
|
|
<a name="815"><span class="lineNum"> 815 </span> : : assign(__s[__i], __a);</a>
|
|
<a name="816"><span class="lineNum"> 816 </span> : : return __s;</a>
|
|
<a name="817"><span class="lineNum"> 817 </span> : : }</a>
|
|
<a name="818"><span class="lineNum"> 818 </span> : : </a>
|
|
<a name="819"><span class="lineNum"> 819 </span> : : static constexpr char_type</a>
|
|
<a name="820"><span class="lineNum"> 820 </span> : : to_char_type(const int_type& __c) noexcept</a>
|
|
<a name="821"><span class="lineNum"> 821 </span> : : { return char_type(__c); }</a>
|
|
<a name="822"><span class="lineNum"> 822 </span> : : </a>
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<a name="823"><span class="lineNum"> 823 </span> : : static constexpr int_type</a>
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<a name="824"><span class="lineNum"> 824 </span> : : to_int_type(const char_type& __c) noexcept</a>
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<a name="825"><span class="lineNum"> 825 </span> : : { return int_type(__c); }</a>
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<a name="826"><span class="lineNum"> 826 </span> : : </a>
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<a name="827"><span class="lineNum"> 827 </span> : : static constexpr bool</a>
|
|
<a name="828"><span class="lineNum"> 828 </span> : : eq_int_type(const int_type& __c1, const int_type& __c2) noexcept</a>
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<a name="829"><span class="lineNum"> 829 </span> : : { return __c1 == __c2; }</a>
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<a name="830"><span class="lineNum"> 830 </span> : : </a>
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<a name="831"><span class="lineNum"> 831 </span> : : static constexpr int_type</a>
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|
<a name="832"><span class="lineNum"> 832 </span> : : eof() noexcept</a>
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<a name="833"><span class="lineNum"> 833 </span> : : { return static_cast<int_type>(-1); }</a>
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|
<a name="834"><span class="lineNum"> 834 </span> : : </a>
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|
<a name="835"><span class="lineNum"> 835 </span> : : static constexpr int_type</a>
|
|
<a name="836"><span class="lineNum"> 836 </span> : : not_eof(const int_type& __c) noexcept</a>
|
|
<a name="837"><span class="lineNum"> 837 </span> : : { return eq_int_type(__c, eof()) ? 0 : __c; }</a>
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<a name="838"><span class="lineNum"> 838 </span> : : };</a>
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<a name="839"><span class="lineNum"> 839 </span> : : </a>
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<a name="840"><span class="lineNum"> 840 </span> : : _GLIBCXX_END_NAMESPACE_VERSION</a>
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<a name="841"><span class="lineNum"> 841 </span> : : } // namespace</a>
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<a name="842"><span class="lineNum"> 842 </span> : : </a>
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<a name="843"><span class="lineNum"> 843 </span> : : #endif // C++11</a>
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<a name="844"><span class="lineNum"> 844 </span> : : </a>
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|
<a name="845"><span class="lineNum"> 845 </span> : : #endif // _CHAR_TRAITS_H</a>
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</pre>
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