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<a href="a01308.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">// Memory extensions -*- 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) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</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="l00007"></a><span class="lineno"> 7</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// GNU General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</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"> *</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Copyright (c) 1994</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * Hewlett-Packard Company</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * Permission to use, copy, modify, distribute and sell this software</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * and its documentation for any purpose is hereby granted without fee,</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * provided that the above copyright notice appear in all copies and</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * that both that copyright notice and this permission notice appear</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * in supporting documentation. Hewlett-Packard Company makes no</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * representations about the suitability of this software for any</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * purpose. It is provided "as is" without express or implied warranty.</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"> *</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Copyright (c) 1996</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * Silicon Graphics Computer Systems, Inc.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * Permission to use, copy, modify, distribute and sell this software</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * and its documentation for any purpose is hereby granted without fee,</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * provided that the above copyright notice appear in all copies and</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * that both that copyright notice and this permission notice appear</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * in supporting documentation. Silicon Graphics makes no</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * representations about the suitability of this software for any</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * purpose. It is provided "as is" without express or implied warranty.</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"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/** @file ext/memory</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * This file is a GNU extension to the Standard C++ Library (possibly</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * containing extensions from the HP/SGI STL subset).</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#ifndef _EXT_MEMORY</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span><span class="preprocessor">#define _EXT_MEMORY 1</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#pragma GCC system_header</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include <<a class="code" href="a01308.html">memory</a>></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include <<a class="code" href="a01511.html">bits/stl_tempbuf.h</a>></span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">namespace </span>__gnu_cxx _GLIBCXX_VISIBILITY(default)</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">using</span> std::ptrdiff_t;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">using</span> <a class="code" href="a00460.html" title="Struct holding two objects of arbitrary type.">std::pair</a>;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">using</span> <a class="code" href="a01665.html#ga304181cfe40c7dc4e4f1bcccdae99f8d">std::__iterator_category</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">using</span> <a class="code" href="a00534.html">std::_Temporary_buffer</a>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InputIter, <span class="keyword">typename</span> _Size, <span class="keyword">typename</span> _ForwardIter></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  pair<_InputIter, _ForwardIter></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  __uninitialized_copy_n(_InputIter __first, _Size __count,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  _ForwardIter __result, <a class="code" href="a00728.html" title="Marking input iterators.">std::input_iterator_tag</a>)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  _ForwardIter __cur = __result;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  __try</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">for</span> (; __count > 0 ; --__count, ++__first, ++__cur)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="a01604.html#adca0ca087166a9ce54bf9d206b7c8df9">std::_Construct</a>(&*__cur, *__first);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> pair<_InputIter, _ForwardIter>(__first, __cur);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  __catch(...)</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="a01604.html#a468dae7cc599699643eafa95cc9999af">std::_Destroy</a>(__result, __cur);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  __throw_exception_again;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</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> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _RandomAccessIter, <span class="keyword">typename</span> _Size, <span class="keyword">typename</span> _ForwardIter></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">inline</span> pair<_RandomAccessIter, _ForwardIter></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  __uninitialized_copy_n(_RandomAccessIter __first, _Size __count,</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  _ForwardIter __result,</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="a00884.html" title="Random-access iterators support a superset of bidirectional iterator operations.">std::random_access_iterator_tag</a>)</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  _RandomAccessIter __last = __first + __count;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> (pair<_RandomAccessIter, _ForwardIter></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  (__last, <a class="code" href="a01604.html#a9166c966d7525f4bda824700e5122c44" title="Copies the range [first,last) into result.">std::uninitialized_copy</a>(__first, __last, __result)));</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InputIter, <span class="keyword">typename</span> _Size, <span class="keyword">typename</span> _ForwardIter></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">inline</span> pair<_InputIter, _ForwardIter></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  __uninitialized_copy_n(_InputIter __first, _Size __count,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  _ForwardIter __result)</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  { <span class="keywordflow">return</span> __gnu_cxx::__uninitialized_copy_n(__first, __count, __result,</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="a01665.html#ga304181cfe40c7dc4e4f1bcccdae99f8d">__iterator_category</a>(__first)); }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> * @brief Copies the range [first,last) into result.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * @param __first An input iterator.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * @param __count Length</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * @param __result An output iterator.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * @return __result + (__first + __count)</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * @ingroup SGIextensions</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * Like copy(), but does not require an initialized output range.</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> _InputIter, <span class="keyword">typename</span> _Size, <span class="keyword">typename</span> _ForwardIter></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">inline</span> pair<_InputIter, _ForwardIter></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="code" href="a01623.html#ga9bd3520e93f2babe15918dec409a1745"> 123</a></span>  <a class="code" href="a01623.html#ga9bd3520e93f2babe15918dec409a1745" title="Copies the range [first,last) into result.">uninitialized_copy_n</a>(_InputIter __first, _Size __count,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  _ForwardIter __result)</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  { <span class="keywordflow">return</span> __gnu_cxx::__uninitialized_copy_n(__first, __count, __result,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="a01665.html#ga304181cfe40c7dc4e4f1bcccdae99f8d">__iterator_category</a>(__first)); }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// An alternative version of uninitialized_copy_n that constructs</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// and destroys objects with a user-provided allocator.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InputIter, <span class="keyword">typename</span> _Size, <span class="keyword">typename</span> _ForwardIter,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">typename</span> _Allocator></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  pair<_InputIter, _ForwardIter></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  __uninitialized_copy_n_a(_InputIter __first, _Size __count,</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  _ForwardIter __result,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  _Allocator __alloc)</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>  _ForwardIter __cur = __result;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  __try</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">for</span> (; __count > 0 ; --__count, ++__first, ++__cur)</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  __alloc.construct(&*__cur, *__first);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> pair<_InputIter, _ForwardIter>(__first, __cur);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  __catch(...)</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="a01604.html#a468dae7cc599699643eafa95cc9999af">std::_Destroy</a>(__result, __cur, __alloc);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  __throw_exception_again;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InputIter, <span class="keyword">typename</span> _Size, <span class="keyword">typename</span> _ForwardIter,</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">typename</span> _Tp></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">inline</span> pair<_InputIter, _ForwardIter></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  __uninitialized_copy_n_a(_InputIter __first, _Size __count,</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  _ForwardIter __result,</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="a00426.html" title="The standard allocator, as per [20.4].">std::allocator<_Tp></a>)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> <a class="code" href="a01623.html#ga9bd3520e93f2babe15918dec409a1745" title="Copies the range [first,last) into result.">__gnu_cxx::uninitialized_copy_n</a>(__first, __count, __result);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"></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> <span class="comment"> * This class provides similar behavior and semantics of the standard</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * functions get_temporary_buffer() and return_temporary_buffer(), but</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> * encapsulated in a type vaguely resembling a standard container.</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * By default, a temporary_buffer<Iter> stores space for objects of</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * whatever type the Iter iterator points to. It is constructed from a</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * typical [first,last) range, and provides the begin(), end(), size()</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> * functions, as well as requested_size(). For non-trivial types, copies</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * of *first will be used to initialize the storage.</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * @c malloc is used to obtain underlying storage.</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * Like get_temporary_buffer(), not all the requested memory may be</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * available. Ideally, the created buffer will be large enough to hold a</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * copy of [first,last), but if size() is less than requested_size(),</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> * then this didn't happen.</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * @ingroup SGIextensions</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">template</span> <<span class="keyword">class </span>_ForwardIterator, <span class="keyword">class </span>_Tp</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  = <span class="keyword">typename</span> std::iterator_traits<_ForwardIterator>::value_type ></div>
<div class="line"><a name="l00184"></a><span class="lineno"><a class="code" href="a00072.html"> 184</a></span>  <span class="keyword">struct </span><a class="code" href="a00072.html">temporary_buffer</a> : <span class="keyword">public</span> <a class="code" href="a00534.html">_Temporary_buffer</a><_ForwardIterator, _Tp></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {<span class="comment"></span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> /// Requests storage large enough to hold a copy of [first,last).</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"><a class="code" href="a00072.html#a984575528c7bf7f532c7ff4b16a6a09c"> 187</a></span> <span class="comment"></span> <a class="code" href="a00072.html#a984575528c7bf7f532c7ff4b16a6a09c" title="Requests storage large enough to hold a copy of [first,last).">temporary_buffer</a>(_ForwardIterator __first, _ForwardIterator __last)</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  : <a class="code" href="a00534.html">_Temporary_buffer</a><_ForwardIterator, _Tp>(__first, __last) { }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment"></span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> /// Destroys objects and frees storage.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"><a class="code" href="a00072.html#af2c0719cd475f4291891f508afc14059"> 191</a></span> <span class="comment"></span> <a class="code" href="a00072.html#af2c0719cd475f4291891f508afc14059" title="Destroys objects and frees storage.">~temporary_buffer</a>() { }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  };</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> _GLIBCXX_END_NAMESPACE_VERSION</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> } <span class="comment">// namespace</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"></span></div>
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