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<a href="a01051.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">// basic_ios member functions -*- 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) 1999-2013 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> <span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file bits/basic_ios.tcc</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Do not attempt to use it directly. @headername{ios}</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef _BASIC_IOS_TCC</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="preprocessor">#define _BASIC_IOS_TCC 1</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#pragma GCC system_header</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>std _GLIBCXX_VISIBILITY(default)</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="a00448.html#a07a10e07246ef2a68c0c3f08d94c7607"> 41</a></span>  <a class="code" href="a00448.html#a07a10e07246ef2a68c0c3f08d94c7607">basic_ios<_CharT, _Traits>::clear</a>(iostate __state)</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span> (this->rdbuf())</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  _M_streambuf_state = __state;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  _M_streambuf_state = __state | badbit;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (this->exceptions() & this->rdstate())</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  __throw_ios_failure(__N(<span class="stringliteral">"basic_ios::clear"</span>));</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="a00452.html">basic_streambuf<_CharT, _Traits></a>*</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="a00448.html#a163ac287eb3cec7bb62ed893be51658b"> 53</a></span>  <a class="code" href="a00448.html#a9cd5ec67e6304e384f3884a6f0b38554">basic_ios<_CharT, _Traits>::rdbuf</a>(<a class="code" href="a00452.html">basic_streambuf<_CharT, _Traits></a>* __sb)</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="a00452.html">basic_streambuf<_CharT, _Traits></a>* __old = _M_streambuf;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  _M_streambuf = __sb;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  this->clear();</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> __old;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="a00448.html">basic_ios<_CharT, _Traits></a>&</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="a00448.html#a57af447fc663746ea14bea76e80f5990"> 63</a></span>  <a class="code" href="a00448.html#a57af447fc663746ea14bea76e80f5990">basic_ios<_CharT, _Traits>::copyfmt</a>(<span class="keyword">const</span> <a class="code" href="a00448.html">basic_ios</a>& __rhs)</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="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// 292. effects of a.copyfmt (a)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> != &__rhs)</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="comment">// Per 27.1.1, do not call imbue, yet must trash all caches</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// associated with imbue()</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Alloc any new word array first, so if it fails we have "rollback".</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  _M_local_word : <span class="keyword">new</span> _Words[__rhs._M_word_size];</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Bump refs before doing callbacks, for safety.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  _Callback_list* __cb = __rhs._M_callbacks;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  if (__cb)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  __cb->_M_add_reference();</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  _M_call_callbacks(erase_event);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (_M_word != _M_local_word)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">delete</span> [] _M_word;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  _M_word = 0;</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>  _M_dispose_callbacks();</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>  <span class="comment">// NB: Don't want any added during above.</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  _M_callbacks = __cb;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> __i = 0; __i < __rhs._M_word_size; ++__i)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  __words[__i] = __rhs._M_word[__i];</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  _M_word = __words;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  _M_word_size = __rhs._M_word_size;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  this->flags(__rhs.<a class="code" href="a00791.html#a82f04dbbaeb4c368add2d2d045f3f95b">flags</a>());</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  this->width(__rhs.<a class="code" href="a00791.html#a2e2a333f56f4b02b164ad4eb0db08221">width</a>());</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  this->precision(__rhs.<a class="code" href="a00791.html#a9dc8e91e44fee68decb39dd4aeaaddd9">precision</a>());</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  this-><a class="code" href="a01701.html#ga32e0e15d583e82a9d03d63d22ad5c781">tie</a>(__rhs.<a class="code" href="a00448.html#a68c3c9f5dec60fd1b1f57bf64864af74">tie</a>());</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  this->fill(__rhs.<a class="code" href="a00448.html#abe40be2c772583c1b94bd3bf649c0f56">fill</a>());</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  _M_ios_locale = __rhs.<a class="code" href="a00791.html#a1efb9c3c7dbd68a2aa13d601c8c81f3b">getloc</a>();</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  _M_cache_locale(_M_ios_locale);</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>  _M_call_callbacks(copyfmt_event);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// The next is required to be the last assignment.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  this->exceptions(__rhs.<a class="code" href="a00448.html#aeff21fb1dfd66435c3c95746902c0e0b">exceptions</a>());</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// Locales:</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="a00861.html">locale</a></div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="a00448.html#a0aee263fdd9d10e05634c8b8d0f2114e"> 114</a></span>  <a class="code" href="a00448.html#a0aee263fdd9d10e05634c8b8d0f2114e">basic_ios<_CharT, _Traits>::imbue</a>(<span class="keyword">const</span> <a class="code" href="a00861.html">locale</a>& __loc)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="a00861.html">locale</a> __old(this->getloc());</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="a00791.html#a29b144ecf437562b7cc05027f3e5a608">ios_base::imbue</a>(__loc);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  _M_cache_locale(__loc);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (this->rdbuf() != 0)</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  this->rdbuf()->pubimbue(__loc);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> __old;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</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="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4"> 126</a></span>  <a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">basic_ios<_CharT, _Traits>::init</a>(<a class="code" href="a00452.html">basic_streambuf<_CharT, _Traits></a>* __sb)</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>  <span class="comment">// NB: This may be called more than once on the same object.</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  ios_base::_M_init();</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Cache locale data and specific facets used by iostreams.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  _M_cache_locale(_M_ios_locale);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// NB: The 27.4.4.1 Postconditions Table specifies requirements</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// after basic_ios::init() has been called. As part of this,</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// fill() must return widen(' ') any time after init() has been</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// called, which needs an imbued ctype facet of char_type to</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// return without throwing an exception. Unfortunately,</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// ctype<char_type> is not necessarily a required facet, so</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// streams with char_type != [char, wchar_t] will not have it by</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// default. Because of this, the correct value for _M_fill is</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// constructed on the first call of fill(). That way,</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// unformatted input and output with non-required basic_ios</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// instantiations is possible even without imbuing the expected</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// ctype<char_type> facet.</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  _M_fill = _CharT();</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  _M_fill_init = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  _M_tie = 0;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  _M_exception = goodbit;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  _M_streambuf = __sb;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  _M_streambuf_state = __sb ? goodbit : badbit;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="a00448.html">basic_ios<_CharT, _Traits>::_M_cache_locale</a>(<span class="keyword">const</span> <a class="code" href="a00861.html">locale</a>& __loc)</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">if</span> (__builtin_expect(has_facet<__ctype_type>(__loc), <span class="keyword">true</span>))</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  _M_ctype = &use_facet<__ctype_type>(__loc);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  _M_ctype = 0;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (__builtin_expect(has_facet<__num_put_type>(__loc), <span class="keyword">true</span>))</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  _M_num_put = &use_facet<__num_put_type>(__loc);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  _M_num_put = 0;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (__builtin_expect(has_facet<__num_get_type>(__loc), <span class="keyword">true</span>))</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  _M_num_get = &use_facet<__num_get_type>(__loc);</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  _M_num_get = 0;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</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="comment">// Inhibit implicit instantiations for required instantiations,</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// which are defined via explicit instantiations elsewhere.</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#if _GLIBCXX_EXTERN_TEMPLATE</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor"></span> <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keyword">class </span>basic_ios<char>;</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="preprocessor">#ifdef _GLIBCXX_USE_WCHAR_T</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"></span> <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keyword">class </span>basic_ios<wchar_t>;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> _GLIBCXX_END_NAMESPACE_VERSION</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> } <span class="comment">// namespace std</span></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="preprocessor">#endif</span></div>
<div class="ttc" id="a00791_html_a1efb9c3c7dbd68a2aa13d601c8c81f3b"><div class="ttname"><a href="a00791.html#a1efb9c3c7dbd68a2aa13d601c8c81f3b">std::ios_base::getloc</a></div><div class="ttdeci">locale getloc() const </div><div class="ttdoc">Locale access. </div><div class="ttdef"><b>Definition:</b> <a href="a01315_source.html#l00695">ios_base.h:695</a></div></div>
<div class="ttc" id="a01701_html_ga32e0e15d583e82a9d03d63d22ad5c781"><div class="ttname"><a href="a01701.html#ga32e0e15d583e82a9d03d63d22ad5c781">std::tie</a></div><div class="ttdeci">tuple< _Elements &...> tie(_Elements &...__args) noexcept</div><div class="ttdoc">tie </div><div class="ttdef"><b>Definition:</b> <a href="a01608_source.html#l01042">tuple:1042</a></div></div>
<div class="ttc" id="a00791_html_a29b144ecf437562b7cc05027f3e5a608"><div class="ttname"><a href="a00791.html#a29b144ecf437562b7cc05027f3e5a608">std::ios_base::imbue</a></div><div class="ttdeci">locale imbue(const locale &__loc)</div><div class="ttdoc">Setting a new locale. </div></div>
<div class="ttc" id="a00448_html_a57af447fc663746ea14bea76e80f5990"><div class="ttname"><a href="a00448.html#a57af447fc663746ea14bea76e80f5990">std::basic_ios::copyfmt</a></div><div class="ttdeci">basic_ios & copyfmt(const basic_ios &__rhs)</div><div class="ttdoc">Copies fields of __rhs into this. </div><div class="ttdef"><b>Definition:</b> <a href="a01051_source.html#l00063">basic_ios.tcc:63</a></div></div>
<div class="ttc" id="a00791_html_a82f04dbbaeb4c368add2d2d045f3f95b"><div class="ttname"><a href="a00791.html#a82f04dbbaeb4c368add2d2d045f3f95b">std::ios_base::flags</a></div><div class="ttdeci">fmtflags flags() const </div><div class="ttdoc">Access to format flags. </div><div class="ttdef"><b>Definition:</b> <a href="a01315_source.html#l00551">ios_base.h:551</a></div></div>
<div class="ttc" id="a00791_html_a2e2a333f56f4b02b164ad4eb0db08221"><div class="ttname"><a href="a00791.html#a2e2a333f56f4b02b164ad4eb0db08221">std::ios_base::width</a></div><div class="ttdeci">streamsize width() const </div><div class="ttdoc">Flags access. </div><div class="ttdef"><b>Definition:</b> <a href="a01315_source.html#l00644">ios_base.h:644</a></div></div>
<div class="ttc" id="a00448_html_a62a4b454cbedd686b89e48fa9d6160c4"><div class="ttname"><a href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">std::basic_ios::init</a></div><div class="ttdeci">void init(basic_streambuf< _CharT, _Traits > *__sb)</div><div class="ttdoc">All setup is performed here. </div><div class="ttdef"><b>Definition:</b> <a href="a01051_source.html#l00126">basic_ios.tcc:126</a></div></div>
<div class="ttc" id="a00861_html"><div class="ttname"><a href="a00861.html">std::locale</a></div><div class="ttdoc">Container class for localization functionality.The locale class is first a class wrapper for C librar...</div><div class="ttdef"><b>Definition:</b> <a href="a01343_source.html#l00062">locale_classes.h:62</a></div></div>
<div class="ttc" id="a00448_html_a9cd5ec67e6304e384f3884a6f0b38554"><div class="ttname"><a href="a00448.html#a9cd5ec67e6304e384f3884a6f0b38554">std::basic_ios::rdbuf</a></div><div class="ttdeci">basic_streambuf< _CharT, _Traits > * rdbuf() const </div><div class="ttdoc">Accessing the underlying buffer. </div><div class="ttdef"><b>Definition:</b> <a href="a01050_source.html#l00315">basic_ios.h:315</a></div></div>
<div class="ttc" id="a00448_html_a07a10e07246ef2a68c0c3f08d94c7607"><div class="ttname"><a href="a00448.html#a07a10e07246ef2a68c0c3f08d94c7607">std::basic_ios::clear</a></div><div class="ttdeci">void clear(iostate __state=goodbit)</div><div class="ttdoc">[Re]sets the error state. </div><div class="ttdef"><b>Definition:</b> <a href="a01051_source.html#l00041">basic_ios.tcc:41</a></div></div>
<div class="ttc" id="a00791_html_a9dc8e91e44fee68decb39dd4aeaaddd9"><div class="ttname"><a href="a00791.html#a9dc8e91e44fee68decb39dd4aeaaddd9">std::ios_base::precision</a></div><div class="ttdeci">streamsize precision() const </div><div class="ttdoc">Flags access. </div><div class="ttdef"><b>Definition:</b> <a href="a01315_source.html#l00621">ios_base.h:621</a></div></div>
<div class="ttc" id="a00452_html"><div class="ttname"><a href="a00452.html">std::basic_streambuf</a></div><div class="ttdoc">The actual work of input and output (interface). </div><div class="ttdef"><b>Definition:</b> <a href="a01316_source.html#l00080">iosfwd:80</a></div></div>
<div class="ttc" id="a00448_html_a0aee263fdd9d10e05634c8b8d0f2114e"><div class="ttname"><a href="a00448.html#a0aee263fdd9d10e05634c8b8d0f2114e">std::basic_ios::imbue</a></div><div class="ttdeci">locale imbue(const locale &__loc)</div><div class="ttdoc">Moves to a new locale. </div><div class="ttdef"><b>Definition:</b> <a href="a01051_source.html#l00114">basic_ios.tcc:114</a></div></div>
<div class="ttc" id="a00448_html_a68c3c9f5dec60fd1b1f57bf64864af74"><div class="ttname"><a href="a00448.html#a68c3c9f5dec60fd1b1f57bf64864af74">std::basic_ios::tie</a></div><div class="ttdeci">basic_ostream< _CharT, _Traits > * tie() const </div><div class="ttdoc">Fetches the current tied stream. </div><div class="ttdef"><b>Definition:</b> <a href="a01050_source.html#l00289">basic_ios.h:289</a></div></div>
<div class="ttc" id="a00448_html_abe40be2c772583c1b94bd3bf649c0f56"><div class="ttname"><a href="a00448.html#abe40be2c772583c1b94bd3bf649c0f56">std::basic_ios::fill</a></div><div class="ttdeci">char_type fill() const </div><div class="ttdoc">Retrieves the empty character. </div><div class="ttdef"><b>Definition:</b> <a href="a01050_source.html#l00364">basic_ios.h:364</a></div></div>
<div class="ttc" id="a00448_html_aeff21fb1dfd66435c3c95746902c0e0b"><div class="ttname"><a href="a00448.html#aeff21fb1dfd66435c3c95746902c0e0b">std::basic_ios::exceptions</a></div><div class="ttdeci">iostate exceptions() const </div><div class="ttdoc">Throwing exceptions on errors. </div><div class="ttdef"><b>Definition:</b> <a href="a01050_source.html#l00216">basic_ios.h:216</a></div></div>
<div class="ttc" id="a00448_html"><div class="ttname"><a href="a00448.html">std::basic_ios</a></div><div class="ttdoc">Template class basic_ios, virtual base class for all stream classes. </div><div class="ttdef"><b>Definition:</b> <a href="a01316_source.html#l00077">iosfwd:77</a></div></div>
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