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<a href="a00590.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Temporary buffer implementation -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2001-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/*</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> *</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Copyright (c) 1994</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Hewlett-Packard Company</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> *</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * Permission to use, copy, modify, distribute and sell this software</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * and its documentation for any purpose is hereby granted without fee,</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * provided that the above copyright notice appear in all copies and</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * that both that copyright notice and this permission notice appear</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * in supporting documentation. Hewlett-Packard Company makes no</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * representations about the suitability of this software for any</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * purpose. It is provided "as is" without express or implied warranty.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * Copyright (c) 1996,1997</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Silicon Graphics Computer Systems, Inc.</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> *</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * Permission to use, copy, modify, distribute and sell this software</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * and its documentation for any purpose is hereby granted without fee,</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * provided that the above copyright notice appear in all copies and</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * that both that copyright notice and this permission notice appear</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * in supporting documentation. Silicon Graphics makes no</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * representations about the suitability of this software for any</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * purpose. It is provided "as is" without express or implied warranty.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> */</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">/** @file bits/stl_tempbuf.h</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * Do not attempt to use it directly. @headername{memory}</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#ifndef _STL_TEMPBUF_H</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define _STL_TEMPBUF_H 1</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include <<a class="code" href="a00530.html">bits/stl_algobase.h</a>></span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include <<a class="code" href="a00536.html">bits/stl_construct.h</a>></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"></span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> /**</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * @brief Allocates a temporary buffer.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> * @param __len The number of objects of type Tp.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * @return See full description.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> *</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * Reinventing the wheel, but this time with prettier spokes!</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> *</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * This function tries to obtain storage for @c __len adjacent Tp</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> * objects. The objects themselves are not constructed, of course.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * A pair<> is returned containing <em>the buffer s address and</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * capacity (in the units of sizeof(_Tp)), or a pair of 0 values if</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * no storage can be obtained.</em> Note that the capacity obtained</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * may be less than that requested if the memory is unavailable;</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * you should compare len with the .second return value.</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> *</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * Provides the nothrow exception guarantee.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> */</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  pair<_Tp*, ptrdiff_t></div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="a01538.html#ae302e2095436090c1181b9fac877be51"> 85</a></span>  <a class="code" href="a01538.html#ae302e2095436090c1181b9fac877be51">get_temporary_buffer</a>(ptrdiff_t __len) _GLIBCXX_NOEXCEPT</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">const</span> ptrdiff_t __max =</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  __gnu_cxx::__numeric_traits<ptrdiff_t>::__max / <span class="keyword">sizeof</span>(_Tp);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (__len > __max)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  __len = __max;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">while</span> (__len > 0) </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  _Tp* __tmp = static_cast<_Tp*>(::<span class="keyword">operator</span> <span class="keyword">new</span>(__len * <span class="keyword">sizeof</span>(_Tp), </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  std::nothrow));</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (__tmp != 0)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <a class="code" href="a07764.html">std::pair<_Tp*, ptrdiff_t></a>(__tmp, __len);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  __len /= 2;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <a class="code" href="a07764.html">std::pair<_Tp*, ptrdiff_t></a>(static_cast<_Tp*>(0), 0);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"></span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> /**</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * @brief The companion to get_temporary_buffer().</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * @param __p A buffer previously allocated by get_temporary_buffer.</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * @return None.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> *</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> * Frees the memory pointed to by __p.</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="a01538.html#a8033d777ccff23b31daf2feec4dd46ec"> 112</a></span>  <a class="code" href="a01538.html#a8033d777ccff23b31daf2feec4dd46ec">return_temporary_buffer</a>(_Tp* __p)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  { ::operator <span class="keyword">delete</span>(__p, std::nothrow); }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"></span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> /**</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * This class is used in two places: stl_algo.h and ext/memory,</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * where it is wrapped as the temporary_buffer class. See</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * temporary_buffer docs for more notes.</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> */</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ForwardIterator, <span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="a07796.html"> 122</a></span>  <span class="keyword">class </span><a class="code" href="a07796.html">_Temporary_buffer</a></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// concept requirements</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  __glibcxx_class_requires(_ForwardIterator, _ForwardIteratorConcept)</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">typedef</span> _Tp value_type;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">typedef</span> value_type* pointer;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">typedef</span> pointer iterator;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">typedef</span> ptrdiff_t size_type;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  size_type _M_original_len;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  size_type _M_len;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  pointer _M_buffer;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> /// As per Table mumble.</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"></span> size_type</div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="a07796.html#a9bc2a952203a764d5a1cdf80f94bd2a8"> 141</a></span>  <a class="code" href="a07796.html#a9bc2a952203a764d5a1cdf80f94bd2a8">size</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_len; }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"></span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> /// Returns the size requested by the constructor; may be >size().</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"></span> size_type</div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="a07796.html#a6cc6bd1d6df0b852168f5065c01433ca"> 146</a></span>  <a class="code" href="a07796.html#a6cc6bd1d6df0b852168f5065c01433ca">requested_size</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_original_len; }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"></span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> /// As per Table mumble.</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"></span> <a class="code" href="a07672.html">iterator</a></div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="a07796.html#acd631918c7c80bd4d4edd871c5122064"> 151</a></span>  <a class="code" href="a07796.html#acd631918c7c80bd4d4edd871c5122064">begin</a>()</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  { <span class="keywordflow">return</span> _M_buffer; }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"></span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> /// As per Table mumble.</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"></span> <a class="code" href="a07672.html">iterator</a></div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="a07796.html#a0a05d06255dbcf619bb312133b13cc97"> 156</a></span>  <a class="code" href="a07796.html#a0a05d06255dbcf619bb312133b13cc97">end</a>()</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  { <span class="keywordflow">return</span> _M_buffer + _M_len; }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"></span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> /**</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * Constructs a temporary buffer of a size somewhere between</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * zero and the size of the given range.</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> */</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad">_Temporary_buffer</a>(_ForwardIterator __first, _ForwardIterator __last);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ~<a class="code" href="a07796.html">_Temporary_buffer</a>()</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="a01538.html#a468dae7cc599699643eafa95cc9999af">std::_Destroy</a>(_M_buffer, _M_buffer + _M_len);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="a01538.html#a8033d777ccff23b31daf2feec4dd46ec">std::return_temporary_buffer</a>(_M_buffer);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// Disable copy constructor and assignment operator.</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad">_Temporary_buffer</a>(<span class="keyword">const</span> <a class="code" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad">_Temporary_buffer</a>&);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  operator=(<span class="keyword">const</span> <a class="code" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad">_Temporary_buffer</a>&);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  };</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span>></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">struct </span>__uninitialized_construct_buf_dispatch</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Po<span class="keywordtype">int</span>er, <span class="keyword">typename</span> _ForwardIterator></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  __ucr(_Pointer __first, _Pointer __last,</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  _ForwardIterator __seed)</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span>(__first == __last)</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  _Pointer __cur = __first;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  __try</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="a01538.html#ae0f6a1883f4e98bc2ca573c992447fc2">std::_Construct</a>(<a class="code" href="a01477.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(*__first),</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  _GLIBCXX_MOVE(*__seed));</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  _Pointer __prev = __cur;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  ++__cur;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">for</span>(; __cur != __last; ++__cur, ++__prev)</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="a01538.html#ae0f6a1883f4e98bc2ca573c992447fc2">std::_Construct</a>(<a class="code" href="a01477.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(*__cur),</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  _GLIBCXX_MOVE(*__prev));</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  *__seed = _GLIBCXX_MOVE(*__prev);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  __catch(...)</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="a01538.html#a468dae7cc599699643eafa95cc9999af">std::_Destroy</a>(__first, __cur);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  __throw_exception_again;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  };</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">template</span><></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">struct </span>__uninitialized_construct_buf_dispatch<true></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Po<span class="keywordtype">int</span>er, <span class="keyword">typename</span> _ForwardIterator></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  __ucr(_Pointer, _Pointer, _ForwardIterator) { }</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  };</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Constructs objects in the range [first, last).</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Note that while these new objects will take valid values,</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// their exact value is not defined. In particular they may</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// be 'moved from'.</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">//</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// While *__seed may be altered during this algorithm, it will have</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// the same value when the algorithm finishes, unless one of the</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// constructions throws.</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">//</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// Requirements: _Pointer::value_type(_Tp&&) is valid.</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Po<span class="keywordtype">int</span>er, <span class="keyword">typename</span> _ForwardIterator></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  __uninitialized_construct_buf(_Pointer __first, _Pointer __last,</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  _ForwardIterator __seed)</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<_Pointer>::value_type</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  _ValueType;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  std::__uninitialized_construct_buf_dispatch<</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  __has_trivial_constructor(_ValueType)>::</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  __ucr(__first, __last, __seed);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ForwardIterator, <span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad">_Temporary_buffer<_ForwardIterator, _Tp>::</a></div><div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad"> 244</a></span> <a class="code" href="a07796.html#a90880d362bf8cfed57d39149b5d333ad"> _Temporary_buffer</a>(_ForwardIterator __first, _ForwardIterator __last)</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  : _M_original_len(<a class="code" href="a01538.html">std</a>::<a class="code" href="a01538.html#a99b049793a96260d190d781f847038bc">distance</a>(__first, __last)),</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  _M_len(0), _M_buffer(0)</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  __try</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="a07764.html">std::pair<pointer, size_type></a> __p(<a class="code" href="a01538.html#ae302e2095436090c1181b9fac877be51">std::get_temporary_buffer</a><</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  value_type>(_M_original_len));</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  _M_buffer = __p.<a class="code" href="a07764.html#a198b03cffc037835dc1dc01c926ce251">first</a>;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  _M_len = __p.<a class="code" href="a07764.html#a91179413226db12e66346d3673b7835f">second</a>;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (_M_buffer)</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  std::__uninitialized_construct_buf(_M_buffer, _M_buffer + _M_len,</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  __first);</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  __catch(...)</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="a01538.html#a8033d777ccff23b31daf2feec4dd46ec">std::return_temporary_buffer</a>(_M_buffer);</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  _M_buffer = 0;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  _M_len = 0;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  __throw_exception_again;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor">#endif </span><span class="comment">/* _STL_TEMPBUF_H */</span><span class="preprocessor"></span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="ttc" id="a00536_html"><div class="ttname"><a href="a00536.html">stl_construct.h</a></div></div>
<div class="ttc" id="a07796_html"><div class="ttname"><a href="a07796.html">std::_Temporary_buffer</a></div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00122">stl_tempbuf.h:122</a></div></div>
<div class="ttc" id="a01538_html_ae0f6a1883f4e98bc2ca573c992447fc2"><div class="ttname"><a href="a01538.html#ae0f6a1883f4e98bc2ca573c992447fc2">std::_Construct</a></div><div class="ttdeci">void _Construct(_T1 *__p, _Args &&... __args)</div><div class="ttdef"><b>Definition:</b> <a href="a00536_source.html#l00074">stl_construct.h:74</a></div></div>
<div class="ttc" id="a00530_html"><div class="ttname"><a href="a00530.html">stl_algobase.h</a></div></div>
<div class="ttc" id="a07796_html_acd631918c7c80bd4d4edd871c5122064"><div class="ttname"><a href="a07796.html#acd631918c7c80bd4d4edd871c5122064">std::_Temporary_buffer::begin</a></div><div class="ttdeci">iterator begin()</div><div class="ttdoc">As per Table mumble.</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00151">stl_tempbuf.h:151</a></div></div>
<div class="ttc" id="a01538_html_ae302e2095436090c1181b9fac877be51"><div class="ttname"><a href="a01538.html#ae302e2095436090c1181b9fac877be51">std::get_temporary_buffer</a></div><div class="ttdeci">pair< _Tp *, ptrdiff_t > get_temporary_buffer(ptrdiff_t __len) noexcept</div><div class="ttdoc">Allocates a temporary buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00085">stl_tempbuf.h:85</a></div></div>
<div class="ttc" id="a01477_html_ga1954d5552e24586051011312041033f6"><div class="ttname"><a href="a01477.html#ga1954d5552e24586051011312041033f6">std::__addressof</a></div><div class="ttdeci">constexpr _Tp * __addressof(_Tp &__r) noexcept</div><div class="ttdoc">Same as C++11 std::addressof.</div><div class="ttdef"><b>Definition:</b> <a href="a00422_source.html#l00047">move.h:47</a></div></div>
<div class="ttc" id="a07796_html_a90880d362bf8cfed57d39149b5d333ad"><div class="ttname"><a href="a07796.html#a90880d362bf8cfed57d39149b5d333ad">std::_Temporary_buffer::_Temporary_buffer</a></div><div class="ttdeci">_Temporary_buffer(_ForwardIterator __first, _ForwardIterator __last)</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00244">stl_tempbuf.h:244</a></div></div>
<div class="ttc" id="a07796_html_a6cc6bd1d6df0b852168f5065c01433ca"><div class="ttname"><a href="a07796.html#a6cc6bd1d6df0b852168f5065c01433ca">std::_Temporary_buffer::requested_size</a></div><div class="ttdeci">size_type requested_size() const</div><div class="ttdoc">Returns the size requested by the constructor; may be >size().</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00146">stl_tempbuf.h:146</a></div></div>
<div class="ttc" id="a07672_html"><div class="ttname"><a href="a07672.html">std::iterator</a></div><div class="ttdoc">Common iterator class.</div><div class="ttdef"><b>Definition:</b> <a href="a00554_source.html#l00118">stl_iterator_base_types.h:118</a></div></div>
<div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a07796_html_a9bc2a952203a764d5a1cdf80f94bd2a8"><div class="ttname"><a href="a07796.html#a9bc2a952203a764d5a1cdf80f94bd2a8">std::_Temporary_buffer::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdoc">As per Table mumble.</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00141">stl_tempbuf.h:141</a></div></div>
<div class="ttc" id="a01538_html_a99b049793a96260d190d781f847038bc"><div class="ttname"><a href="a01538.html#a99b049793a96260d190d781f847038bc">std::distance</a></div><div class="ttdeci">_GLIBCXX17_CONSTEXPR iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)</div><div class="ttdoc">A generalization of pointer arithmetic.</div><div class="ttdef"><b>Definition:</b> <a href="a00551_source.html#l00138">stl_iterator_base_funcs.h:138</a></div></div>
<div class="ttc" id="a01538_html_a468dae7cc599699643eafa95cc9999af"><div class="ttname"><a href="a01538.html#a468dae7cc599699643eafa95cc9999af">std::_Destroy</a></div><div class="ttdeci">void _Destroy(_Tp *__pointer)</div><div class="ttdef"><b>Definition:</b> <a href="a00536_source.html#l00097">stl_construct.h:97</a></div></div>
<div class="ttc" id="a07764_html_a91179413226db12e66346d3673b7835f"><div class="ttname"><a href="a07764.html#a91179413226db12e66346d3673b7835f">std::pair::second</a></div><div class="ttdeci">_T2 second</div><div class="ttdoc">first is a copy of the first object</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00215">stl_pair.h:215</a></div></div>
<div class="ttc" id="a07796_html_a0a05d06255dbcf619bb312133b13cc97"><div class="ttname"><a href="a07796.html#a0a05d06255dbcf619bb312133b13cc97">std::_Temporary_buffer::end</a></div><div class="ttdeci">iterator end()</div><div class="ttdoc">As per Table mumble.</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00156">stl_tempbuf.h:156</a></div></div>
<div class="ttc" id="a01538_html_a8033d777ccff23b31daf2feec4dd46ec"><div class="ttname"><a href="a01538.html#a8033d777ccff23b31daf2feec4dd46ec">std::return_temporary_buffer</a></div><div class="ttdeci">void return_temporary_buffer(_Tp *__p)</div><div class="ttdoc">The companion to get_temporary_buffer().</div><div class="ttdef"><b>Definition:</b> <a href="a00590_source.html#l00112">stl_tempbuf.h:112</a></div></div>
<div class="ttc" id="a07764_html_a198b03cffc037835dc1dc01c926ce251"><div class="ttname"><a href="a07764.html#a198b03cffc037835dc1dc01c926ce251">std::pair::first</a></div><div class="ttdeci">_T1 first</div><div class="ttdoc">second_type is the second bound type</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00214">stl_pair.h:214</a></div></div>
<div class="ttc" id="a07764_html"><div class="ttname"><a href="a07764.html">std::pair</a></div><div class="ttdoc">Struct holding two objects of arbitrary type.</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00208">stl_pair.h:208</a></div></div>
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