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<div id="projectbrief">Additional custom or not Standard C++ covered algorithms</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_fca3c47b2ea228727bd6729832f89576.html">stdex</a></li> </ul>
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<div class="headertitle"><div class="title">string.hpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> SPDX-License-Identifier: MIT</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> Copyright © 2016-2023 Amebis</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">*/</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include "sal.hpp"</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include <assert.h></span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <ctype.h></span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <stdarg.h></span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">namespace </span>stdex</div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span>{</div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using </span>locale_t = _locale_t;</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using </span>locale_t = ::locale_t;</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">typedef</span> <span class="keywordtype">wchar_t</span> utf16_t;</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">typedef</span> <span class="keywordtype">char16_t</span> utf16_t;</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_high_surrogate(_In_ utf16_t chr)</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> {</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">return</span> 0xd800 < chr && chr < 0xdc00;</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> }</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_low_surrogate(_In_ utf16_t chr)</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> 0xdc00 < chr && chr < 0xe000;</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_surrogate_pair(_In_reads_(2) <span class="keyword">const</span> utf16_t* str)</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> is_high_surrogate(str[0]) && is_low_surrogate(str[1]);</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">inline</span> <span class="keywordtype">char32_t</span> surrogate_pair_to_ucs4(_In_reads_(2) <span class="keyword">const</span> utf16_t* str)</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> {</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> assert(is_surrogate_pair(str));</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> ((<span class="keywordtype">char32_t</span>)(str[0] - 0xd800) << 10) +</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> (char32_t)(str[1] - 0xdc00) +</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> 0x10000;</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> ucs4_to_surrogate_pair(_Out_writes_(2) utf16_t* str, _In_ <span class="keywordtype">char32_t</span> chr)</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> {</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> assert(chr >= 0x10000);</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> chr -= 0x10000;</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> str[0] = 0xd800 + (char32_t)((chr >> 10) & 0x3ff);</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> str[1] = 0xdc00 + (char32_t)(chr & 0x3ff);</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> iscombining(_In_ <span class="keywordtype">char32_t</span> chr)</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> {</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> 0x0300 <= chr && chr < 0x0370 ||</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> 0x1dc0 <= chr && chr < 0x1e00 ||</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> 0x20d0 <= chr && chr < 0x2100 ||</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> 0xfe20 <= chr && chr < 0xfe30;</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> islbreak(_In_ T chr)</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> chr == <span class="charliteral">'\n'</span> || chr == <span class="charliteral">'\r'</span>;</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> }</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> islbreak(_In_reads_or_z_opt_(count) <span class="keyword">const</span> T* chr, _In_ <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> {</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> _Analysis_assume_(chr || !count);</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span> (count >= 2 && (chr[0] == <span class="charliteral">'\r'</span> && chr[1] == <span class="charliteral">'\n'</span> || chr[0] == <span class="charliteral">'\n'</span> && chr[1] == <span class="charliteral">'\r'</span>))</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">return</span> 2;</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (count > 1 && (chr[0] == <span class="charliteral">'\n'</span> || chr[0] == <span class="charliteral">'\r'</span>))</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">return</span> 1;</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> glyphlen(_In_reads_or_z_opt_(count) <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* glyph, _In_ <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> {</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> _Analysis_assume_(glyph || !count);</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (count) {</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">size_t</span> i = count < 2 || !is_surrogate_pair(glyph) ? 1 : 2;</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">size_t</span> i = 1;</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">for</span> (; i < count && iscombining(glyph[i]); ++i);</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strlen(_In_z_ <span class="keyword">const</span> T* str)</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> assert(str);</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordtype">size_t</span> i;</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">for</span> (i = 0; str[i]; ++i);</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strnlen(_In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> {</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> assert(str);</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">size_t</span> i;</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">for</span> (i = 0; i < count && str[i]; ++i);</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> }</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">constexpr</span> <span class="keyword">auto</span> npos{ <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(-1) };</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strnchr(</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str,</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> _In_ T chr)</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> {</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> assert(str || !count);</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < count && str[i]; ++i)</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">if</span> (str[i] == chr) <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> npos;</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strrnchr(</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str,</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> _In_ T chr)</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> {</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> assert(str || !count);</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordtype">size_t</span> z = npos;</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < count && str[i]; ++i)</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">if</span> (str[i] == chr) z = i;</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">return</span> z;</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> }</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strnichr(</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str,</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> _In_ T chr,</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> {</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> assert(str || !count);</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">const</span> <span class="keyword">auto</span>& ctype = std::use_facet<std::ctype<T>>(locale);</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> chr = ctype.tolower(chr);</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < count && str[i]; ++i)</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">if</span> (ctype.tolower(str[i]) == chr) <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">return</span> npos;</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> }</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strrnichr(</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str,</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> _In_ T chr,</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> {</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> assert(str || !count);</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">const</span> <span class="keyword">auto</span>& ctype = std::use_facet<std::ctype<T>>(locale);</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> chr = ctype.tolower(chr);</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordtype">size_t</span> z = npos;</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < count && str[i]; ++i)</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">if</span> (ctype.tolower(str[i]) == chr) z = i;</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keywordflow">return</span> z;</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> strncmp(</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> _In_reads_or_z_opt_(count1) <span class="keyword">const</span> T1* str1, _In_ <span class="keywordtype">size_t</span> count1,</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> _In_reads_or_z_opt_(count2) <span class="keyword">const</span> T2* str2, _In_ <span class="keywordtype">size_t</span> count2)</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> {</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> assert(str1 || !count1);</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> assert(str2 || !count2);</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordtype">size_t</span> i; T1 a; T2 b;</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">for</span> (i = 0; i < count1 && i < count2 && ((a = str1[i]) | (b = str2[i])); ++i) {</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">if</span> (a > b) <span class="keywordflow">return</span> +1;</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">if</span> (a < b) <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> }</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (i < count1 && str1[i]) <span class="keywordflow">return</span> +1;</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">if</span> (i < count2 && str2[i]) <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> }</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> </div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> strncoll(</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> _In_reads_or_z_opt_(count1) <span class="keyword">const</span> T* str1, _In_ <span class="keywordtype">size_t</span> count1,</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> _In_reads_or_z_opt_(count2) <span class="keyword">const</span> T* str2, _In_ <span class="keywordtype">size_t</span> count2,</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> {</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> assert(str1 || !count1);</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> assert(str2 || !count2);</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">auto</span>& collate = std::use_facet<std::collate<T>>(locale);</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">return</span> collate.compare(str1, str1 + count1, str2, str2 + count2);</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> }</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> strnicmp(</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> _In_reads_or_z_opt_(count1) <span class="keyword">const</span> T1* str1, _In_ <span class="keywordtype">size_t</span> count1,</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> _In_reads_or_z_opt_(count2) <span class="keyword">const</span> T2* str2, _In_ <span class="keywordtype">size_t</span> count2,</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> {</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> assert(str1 || !count1);</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> assert(str2 || !count2);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keywordtype">size_t</span> i; T1 a; T2 b;</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">const</span> <span class="keyword">auto</span>& ctype1 = std::use_facet<std::ctype<T1>>(locale);</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">const</span> <span class="keyword">auto</span>& ctype2 = std::use_facet<std::ctype<T2>>(locale);</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">for</span> (i = 0; i < count1 && i < count2 && ((a = ctype1.tolower(str1[i])) | (b = ctype2.tolower(str2[i]))); i++) {</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">if</span> (a > b) <span class="keywordflow">return</span> +1;</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">if</span> (a < b) <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> }</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">if</span> (i < count1 && str1[i]) <span class="keywordflow">return</span> +1;</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">if</span> (i < count2 && str2[i]) <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> }</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strnstr(</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T1* str,</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> _In_z_ <span class="keyword">const</span> T2* sample)</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> {</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> assert(str || !count);</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> assert(sample);</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> offset = 0;; ++offset) {</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = offset, j = 0;; ++i, ++j) {</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordflow">if</span> (!sample[j])</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">return</span> offset;</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">if</span> (i >= count || !str[i])</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">return</span> npos;</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keywordflow">if</span> (str[i] != sample[j])</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> }</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> }</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> }</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strnistr(</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T1* str,</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> _In_z_ <span class="keyword">const</span> T2* sample,</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> {</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> assert(str || !count);</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> assert(sample);</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keyword">const</span> <span class="keyword">auto</span>& ctype1 = std::use_facet<std::ctype<T1>>(locale);</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keyword">const</span> <span class="keyword">auto</span>& ctype2 = std::use_facet<std::ctype<T2>>(locale);</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> offset = 0;; ++offset) {</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = offset, j = 0;; ++i, ++j) {</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keywordflow">if</span> (!sample[j])</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keywordflow">return</span> offset;</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keywordflow">if</span> (i >= count || !str[i])</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">return</span> npos;</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">if</span> (ctype1.tolower(str[i]) != ctype2.tolower(sample[j]))</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> }</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> }</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> }</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> </div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strcpy(</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> _Out_writes_z_(_String_length_(src) + 1) T1* dst,</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> _In_z_ <span class="keyword">const</span> T2* src)</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> {</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> assert(dst && src);</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; ; ++i) {</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">if</span> ((dst[i] = src[i]) == 0)</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> }</div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> }</div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> </div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strncpy(</div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> _Out_writes_(count) _Post_maybez_ T1* dst,</div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T2* src, _In_ <span class="keywordtype">size_t</span> count)</div>
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|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> {</div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> assert(dst && src || !count);</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; ; ++i) {</div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">if</span> (i >= count)</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordflow">if</span> ((dst[i] = src[i]) == 0)</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> }</div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> }</div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> </div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strncpy(</div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> _Out_writes_(count_dst) _Post_maybez_ T1* dst, _In_ <span class="keywordtype">size_t</span> count_dst,</div>
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|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> _In_reads_or_z_opt_(count_src) <span class="keyword">const</span> T2* src, _In_ <span class="keywordtype">size_t</span> count_src)</div>
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|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> {</div>
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|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> assert(dst || !count_dst);</div>
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|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> assert(src || !count_src);</div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; ; ++i)</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> {</div>
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|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordflow">if</span> (i > count_dst)</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="keywordflow">return</span> i;</div>
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|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keywordflow">if</span> (i > count_src) {</div>
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|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> dst[i] = 0;</div>
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|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> }</div>
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|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">if</span> ((dst[i] = src[i]) == 0)</div>
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|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="keywordflow">return</span> i;</div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> }</div>
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|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> }</div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> </div>
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|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strcat(</div>
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<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> _In_z_ _Out_writes_z_(_String_length_(dst) + _String_length_(src) + 1) T1* dst,</div>
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|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> _In_z_ <span class="keyword">const</span> T2* src)</div>
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|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> {</div>
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|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> assert(dst && src);</div>
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|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0, j = stdex::strlen<T1>(dst); ; ++i, ++j) {</div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keywordflow">if</span> ((dst[j] = src[i]) == 0)</div>
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<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="keywordflow">return</span> j;</div>
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|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> }</div>
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<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> }</div>
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<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> </div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strncat(</div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> _Out_writes_(count) _Post_maybez_ T1* dst,</div>
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|
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T2* src, _In_ <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> {</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> assert(dst && src || !count);</div>
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|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0, j = stdex::strlen<T1>(dst); ; ++i, ++j) {</div>
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|
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">if</span> (i >= count)</div>
|
|
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="keywordflow">return</span> j;</div>
|
|
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="keywordflow">if</span> ((dst[j] = src[i]) == 0)</div>
|
|
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="keywordflow">return</span> j;</div>
|
|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> }</div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> }</div>
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<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> </div>
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<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strncat(</div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> _Out_writes_(count_dst) _Post_maybez_ T1* dst, _In_ <span class="keywordtype">size_t</span> count_dst,</div>
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|
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> _In_reads_or_z_opt_(count_src) <span class="keyword">const</span> T2* src, _In_ <span class="keywordtype">size_t</span> count_src)</div>
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|
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> {</div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> assert(dst || !count_dst);</div>
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|
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> assert(src || !count_src);</div>
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|
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0, j = stdex::strnlen<T1>(dst, count_dst); ; ++i, ++j)</div>
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|
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> {</div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keywordflow">if</span> (j > count_dst)</div>
|
|
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keywordflow">return</span> j;</div>
|
|
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordflow">if</span> (i > count_src) {</div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> dst[j] = 0;</div>
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|
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="keywordflow">return</span> j;</div>
|
|
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> }</div>
|
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <span class="keywordflow">if</span> ((dst[j] = src[i]) == 0)</div>
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|
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keywordflow">return</span> j;</div>
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|
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> }</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> }</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> </div>
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|
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> crlf2nl(_Out_writes_z_(strlen(src)) T* dst, _In_z_ <span class="keyword">const</span> T* src)</div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> {</div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> assert(dst);</div>
|
|
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> assert(src);</div>
|
|
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keywordtype">size_t</span> i, j;</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> <span class="keywordflow">for</span> (i = j = 0; src[j];) {</div>
|
|
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordflow">if</span> (src[j] != <span class="charliteral">'\r'</span> || src[j + 1] != <span class="charliteral">'\n'</span>)</div>
|
|
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> dst[i++] = src[j++];</div>
|
|
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> dst[i++] = <span class="charliteral">'\n'</span>;</div>
|
|
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> j += 2;</div>
|
|
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> }</div>
|
|
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> }</div>
|
|
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> dst[i] = 0;</div>
|
|
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keywordflow">return</span> i;</div>
|
|
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> }</div>
|
|
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> </div>
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|
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keyword">class</span> T_bin></div>
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|
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="keyword">inline</span> T_bin strtoint(</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> _In_ <span class="keywordtype">int</span> radix,</div>
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|
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> _Out_ uint8_t& flags)</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> {</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> assert(str || !count);</div>
|
|
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> assert(radix == 0 || 2 <= radix && radix <= 36);</div>
|
|
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div>
|
|
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="keywordtype">size_t</span> i = 0;</div>
|
|
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> T_bin value = 0, digit,</div>
|
|
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> max_ui = (T_bin)-1,</div>
|
|
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> max_ui_pre1, max_ui_pre2;</div>
|
|
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> </div>
|
|
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> flags = 0;</div>
|
|
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> </div>
|
|
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="comment">// Skip leading spaces.</span></div>
|
|
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="keywordflow">for</span> (;; ++i) {</div>
|
|
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keywordflow">if</span> (!isspace(str[i])) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> }</div>
|
|
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> </div>
|
|
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="comment">// Read the sign.</span></div>
|
|
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'+'</span>) {</div>
|
|
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> flags &= ~0x01;</div>
|
|
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> ++i;</div>
|
|
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> }</div>
|
|
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'-'</span>) {</div>
|
|
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> flags |= 0x01;</div>
|
|
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> ++i;</div>
|
|
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> }</div>
|
|
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> </div>
|
|
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <span class="keywordflow">if</span> (radix == 16) {</div>
|
|
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="comment">// On hexadecimal, allow leading 0x.</span></div>
|
|
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'0'</span> && i + 1 < count && (str[i + 1] == <span class="charliteral">'x'</span> || str[i + 1] == <span class="charliteral">'X'</span>)) {</div>
|
|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> i += 2;</div>
|
|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> }</div>
|
|
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> }</div>
|
|
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!radix) {</div>
|
|
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="comment">// Autodetect radix.</span></div>
|
|
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'0'</span>) {</div>
|
|
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> ++i;</div>
|
|
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'x'</span> || str[i] == <span class="charliteral">'X'</span>) {</div>
|
|
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> radix = 16;</div>
|
|
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> ++i;</div>
|
|
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> }</div>
|
|
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> radix = 8;</div>
|
|
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> }</div>
|
|
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> radix = 10;</div>
|
|
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> }</div>
|
|
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> </div>
|
|
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <span class="comment">// We have the radix.</span></div>
|
|
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> max_ui_pre1 = max_ui / (T_bin)radix;</div>
|
|
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> max_ui_pre2 = max_ui % (T_bin)radix;</div>
|
|
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="keywordflow">for</span> (;;) {</div>
|
|
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <span class="keywordflow">if</span> (<span class="charliteral">'0'</span> <= str[i] && str[i] <= <span class="charliteral">'9'</span>)</div>
|
|
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> digit = (T_bin)str[i] - <span class="charliteral">'0'</span>;</div>
|
|
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="charliteral">'A'</span> <= str[i] && str[i] <= <span class="charliteral">'Z'</span>)</div>
|
|
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> digit = (T_bin)str[i] - <span class="charliteral">'A'</span> + <span class="stringliteral">'\x0a'</span>;</div>
|
|
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="charliteral">'a'</span> <= str[i] && str[i] <= <span class="charliteral">'z'</span>)</div>
|
|
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> digit = (T_bin)str[i] - <span class="charliteral">'a'</span> + <span class="stringliteral">'\x0a'</span>;</div>
|
|
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="keywordflow">if</span> (digit >= (T_bin)radix)</div>
|
|
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> </div>
|
|
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keywordflow">if</span> (value < max_ui_pre1 || <span class="comment">// Multiplication nor addition will not overflow.</span></div>
|
|
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> value == max_ui_pre1 && digit <= max_ui_pre2) <span class="comment">// Small digits will not overflow.</span></div>
|
|
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> value = value * (T_bin)radix + digit;</div>
|
|
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> <span class="comment">// Overflow!</span></div>
|
|
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> }</div>
|
|
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> </div>
|
|
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> ++i;</div>
|
|
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="keywordflow">if</span> (i >= count || !str[i])</div>
|
|
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> }</div>
|
|
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> </div>
|
|
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> error:</div>
|
|
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">if</span> (end) *end = i;</div>
|
|
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="keywordflow">return</span> value;</div>
|
|
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> }</div>
|
|
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> </div>
|
|
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keyword">class</span> T_bin></div>
|
|
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> T_bin strtoint(</div>
|
|
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> {</div>
|
|
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> uint8_t flags;</div>
|
|
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> T_bin value;</div>
|
|
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> </div>
|
|
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">switch</span> (<span class="keyword">sizeof</span>(T_bin)) {</div>
|
|
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="keywordflow">case</span> 1:</div>
|
|
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> value = (T_bin)strtoint<T, uint8_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x80)) {</div>
|
|
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> }</div>
|
|
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> (flags & 0x01) ? (T_bin)0x80 : (T_bin)0x7f :</div>
|
|
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> </div>
|
|
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> <span class="keywordflow">case</span> 2:</div>
|
|
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> value = (T_bin)strtoint<T, uint16_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x8000)) {</div>
|
|
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> }</div>
|
|
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> (flags & 0x01) ? (T_bin)0x8000 : (T_bin)0x7fff :</div>
|
|
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> </div>
|
|
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> <span class="keywordflow">case</span> 4:</div>
|
|
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> value = (T_bin)strtoint<T, uint32_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x80000000)) {</div>
|
|
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> }</div>
|
|
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> (flags & 0x01) ? (T_bin)0x80000000 : (T_bin)0x7fffffff :</div>
|
|
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> </div>
|
|
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="keywordflow">case</span> 8:</div>
|
|
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> value = (T_bin)strtoint<T, uint64_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x8000000000000000)) {</div>
|
|
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> }</div>
|
|
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> (flags & 0x01) ? (T_bin)0x8000000000000000 : (T_bin)0x7fffffffffffffff :</div>
|
|
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> </div>
|
|
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Unsupported bit length"</span>);</div>
|
|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> }</div>
|
|
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> }</div>
|
|
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> </div>
|
|
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <span class="keyword">template</span> <<span class="keyword">class</span> T, <span class="keyword">class</span> T_bin></div>
|
|
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> <span class="keyword">inline</span> T_bin strtouint(</div>
|
|
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str,</div>
|
|
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> {</div>
|
|
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> uint8_t flags;</div>
|
|
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> T_bin value;</div>
|
|
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> </div>
|
|
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> <span class="keywordflow">switch</span> (<span class="keyword">sizeof</span>(T_bin)) {</div>
|
|
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> <span class="keywordflow">case</span> 1: value = (T_bin)strtoint<T, uint8_t>(str, count, end, radix, flags); <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> <span class="keywordflow">case</span> 2: value = (T_bin)strtoint<T, uint16_t>(str, count, end, radix, flags); <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <span class="keywordflow">case</span> 4: value = (T_bin)strtoint<T, uint32_t>(str, count, end, radix, flags); <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="keywordflow">case</span> 8: value = (T_bin)strtoint<T, uint64_t>(str, count, end, radix, flags); <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="keywordflow">default</span>: <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Unsupported bit length"</span>);</div>
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|
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> }</div>
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|
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> </div>
|
|
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> (flags & 0x01) ? (T_bin)0 : (T_bin)-1 :</div>
|
|
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> (flags & 0x01) ? ~value : value;</div>
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|
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> }</div>
|
|
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> </div>
|
|
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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|
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <span class="keyword">inline</span> int32_t strto32(</div>
|
|
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> {</div>
|
|
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <span class="keywordflow">return</span> strtoint<T, int32_t>(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> }</div>
|
|
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> </div>
|
|
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> <span class="keyword">inline</span> int64_t strto64(</div>
|
|
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> {</div>
|
|
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> <span class="keywordflow">return</span> strtoint<T, int64_t>(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> }</div>
|
|
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> </div>
|
|
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <span class="keyword">inline</span> intptr_t strtoi(</div>
|
|
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> {</div>
|
|
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span><span class="preprocessor">#if defined(_WIN64) || defined(__LP64__)</span></div>
|
|
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> <span class="keywordflow">return</span> (intptr_t)strto64(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span><span class="preprocessor">#else</span></div>
|
|
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> <span class="keywordflow">return</span> (intptr_t)strto32(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span><span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> }</div>
|
|
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> </div>
|
|
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> <span class="keyword">inline</span> uint32_t strtou32(</div>
|
|
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> {</div>
|
|
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> <span class="keywordflow">return</span> strtouint<T, uint32_t>(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> }</div>
|
|
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> </div>
|
|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="keyword">inline</span> uint64_t strtou64(</div>
|
|
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> {</div>
|
|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> <span class="keywordflow">return</span> strtouint<T, uint64_t>(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> }</div>
|
|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> </div>
|
|
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strtoui(</div>
|
|
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> _In_reads_or_z_opt_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> {</div>
|
|
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span><span class="preprocessor">#if defined(_WIN64) || defined(__LP64__)</span></div>
|
|
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)strtou64(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span><span class="preprocessor">#else</span></div>
|
|
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)strtou32(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span><span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> }</div>
|
|
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> </div>
|
|
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> vsnprintf(_Out_z_cap_(capacity) <span class="keywordtype">char</span> *str, _In_ <span class="keywordtype">size_t</span> capacity, _In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> <span class="keywordtype">char</span> *format, _In_opt_ locale_t locale, _In_ va_list arg)</div>
|
|
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> {</div>
|
|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> <span class="keywordtype">int</span> r;</div>
|
|
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span><span class="preprocessor">#ifdef _WIN32</span></div>
|
|
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> <span class="comment">// Don't use _vsnprintf_s(). It terminates the string even if we want to print to the edge of the buffer.</span></div>
|
|
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span><span class="preprocessor">#pragma warning(suppress: 4996)</span></div>
|
|
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> r = _vsnprintf_l(str, capacity, format, locale, arg);</div>
|
|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span><span class="preprocessor">#else</span></div>
|
|
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> r = vsnprintf(str, capacity, format, arg);</div>
|
|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span><span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <span class="keywordflow">if</span> (r == -1 && strnlen(str, capacity) == capacity) {</div>
|
|
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <span class="comment">// Buffer overrun. Estimate buffer size for the next iteration.</span></div>
|
|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> capacity += std::max<size_t>(capacity / 8, 0x80);</div>
|
|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> <span class="keywordflow">if</span> (capacity > INT_MAX)</div>
|
|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"string too big"</span>);</div>
|
|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)capacity;</div>
|
|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> }</div>
|
|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> <span class="keywordflow">return</span> r;</div>
|
|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> }</div>
|
|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> </div>
|
|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> vsnprintf(_Out_z_cap_(capacity) <span class="keywordtype">wchar_t</span> *str, _In_ <span class="keywordtype">size_t</span> capacity, _In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *format, _In_opt_ locale_t locale, _In_ va_list arg)</div>
|
|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> {</div>
|
|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="keywordtype">int</span> r;</div>
|
|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> </div>
|
|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span><span class="preprocessor">#ifdef _WIN32</span></div>
|
|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <span class="comment">// Don't use _vsnwprintf_s(). It terminates the string even if we want to print to the edge of the buffer.</span></div>
|
|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span><span class="preprocessor">#pragma warning(suppress: 4996)</span></div>
|
|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> r = _vsnwprintf_l(str, capacity, format, locale, arg);</div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span><span class="preprocessor">#else</span></div>
|
|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> r = vswprintf(str, capacity, format, arg);</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span><span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="keywordflow">if</span> (r == -1 && strnlen(str, capacity) == capacity) {</div>
|
|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="comment">// Buffer overrun. Estimate buffer size for the next iteration.</span></div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> capacity += std::max<size_t>(capacity / 8, 0x80);</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> <span class="keywordflow">if</span> (capacity > INT_MAX)</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"string too big"</span>);</div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)capacity;</div>
|
|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> }</div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <span class="keywordflow">return</span> r;</div>
|
|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> }</div>
|
|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> </div>
|
|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> <span class="keyword">template</span><<span class="keyword">class</span> _Elem, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax></div>
|
|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> vappendf(_Inout_ std::basic_string<_Elem, _Traits, _Ax> &str, _In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> _Elem *format, _In_opt_ locale_t locale, _In_ va_list arg)</div>
|
|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> {</div>
|
|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> _Elem buf[1024/<span class="keyword">sizeof</span>(_Elem)];</div>
|
|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> </div>
|
|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="comment">// Try with stack buffer first.</span></div>
|
|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> <span class="keywordtype">int</span> count = vsnprintf(buf, _countof(buf) - 1, format, locale, arg);</div>
|
|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="keywordflow">if</span> (count >= 0) {</div>
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<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> <span class="comment">// Copy from stack.</span></div>
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<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> str.append(buf, count);</div>
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<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> capacity = 2*1024/<span class="keyword">sizeof</span>(_Elem);; capacity *= 2) {</div>
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<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> <span class="comment">// Allocate on heap and retry.</span></div>
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<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> <span class="keyword">auto</span> buf_dyn = std::make_unique<_Elem[]>(capacity);</div>
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<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> count = vsnprintf(buf_dyn.get(), capacity - 1, format, locale, arg);</div>
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<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <span class="keywordflow">if</span> (count >= 0) {</div>
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<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> str.append(buf_dyn.get(), count);</div>
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<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> }</div>
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<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> }</div>
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<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> }</div>
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<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> }</div>
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<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> </div>
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<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="keyword">template</span><<span class="keyword">class</span> _Elem, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax></div>
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<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> appendf(_Inout_ std::basic_string<_Elem, _Traits, _Ax> &str, _In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> _Elem *format, _In_opt_ locale_t locale, ...)</div>
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<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> {</div>
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<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> va_list arg;</div>
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<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> va_start(arg, locale);</div>
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<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> vappendf(str, format, locale, arg);</div>
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<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> va_end(arg);</div>
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<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> }</div>
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<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> </div>
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<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <span class="keyword">template</span><<span class="keyword">class</span> _Elem, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax></div>
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<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> vsprintf(_Inout_ std::basic_string<_Elem, _Traits, _Ax> &str, _In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> _Elem *format, _In_opt_ locale_t locale, _In_ va_list arg)</div>
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<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> {</div>
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<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> str.clear();</div>
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<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> vappendf(str, format, locale, arg);</div>
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<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> }</div>
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<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> </div>
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<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> <span class="keyword">template</span><<span class="keyword">class</span> _Elem, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax></div>
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<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> sprintf(_Inout_ std::basic_string<_Elem, _Traits, _Ax> &str, _In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> _Elem *format, _In_opt_ locale_t locale, ...)</div>
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<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> {</div>
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|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> va_list arg;</div>
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<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> va_start(arg, locale);</div>
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<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> vsprintf(str, format, locale, arg);</div>
|
|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> va_end(arg);</div>
|
|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> }</div>
|
|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> </div>
|
|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> <span class="keyword">template</span><<span class="keyword">class</span> _Elem, <span class="keyword">class</span> _Traits = std::<span class="keywordtype">char</span>_traits<_Elem>, <span class="keyword">class</span> _Ax = std::allocator<_Elem>></div>
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<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> <span class="keyword">inline</span> std::basic_string<_Elem, _Traits, _Ax> vsprintf(_In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> _Elem *format, _In_opt_ locale_t locale, _In_ va_list arg)</div>
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|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> {</div>
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|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> std::basic_string<_Elem, _Traits, _Ax> str;</div>
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<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> vappendf(str, format, locale, arg);</div>
|
|
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> <span class="keywordflow">return</span> str;</div>
|
|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> }</div>
|
|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> </div>
|
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<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> <span class="keyword">template</span><<span class="keyword">class</span> _Elem, <span class="keyword">class</span> _Traits = std::<span class="keywordtype">char</span>_traits<_Elem>, <span class="keyword">class</span> _Ax = std::allocator<_Elem>></div>
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|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> <span class="keyword">inline</span> std::basic_string<_Elem, _Traits, _Ax> sprintf(_In_z_ _Printf_format_string_params_(2) <span class="keyword">const</span> _Elem *format, _In_opt_ locale_t locale, ...)</div>
|
|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> {</div>
|
|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> va_list arg;</div>
|
|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> va_start(arg, locale);</div>
|
|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keyword">auto</span> str = vsprintf(format, locale, arg);</div>
|
|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> va_end(arg);</div>
|
|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="keywordflow">return</span> str;</div>
|
|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> }</div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span>}</div>
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