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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 <stdint.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 <stdexcept></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="keyword">namespace </span>stdex</div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span>{</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">typedef</span> <span class="keywordtype">wchar_t</span> utf16_t;</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">typedef</span> <span class="keywordtype">char16_t</span> utf16_t;</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</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="l00031" name="l00031"></a><span class="lineno"> 31</span> {</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">return</span> 0xd800 < chr && chr < 0xdc00;</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> }</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</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="l00041" name="l00041"></a><span class="lineno"> 41</span> {</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> 0xdc00 < chr && chr < 0xe000;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> }</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</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="l00051" name="l00051"></a><span class="lineno"> 51</span> {</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</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="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</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="l00061" name="l00061"></a><span class="lineno"> 61</span> {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> assert(is_surrogate_pair(str));</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> ((<span class="keywordtype">char32_t</span>)(str[0] - 0xd800) << 10) +</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> (char32_t)(str[1] - 0xdc00) +</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> 0x10000;</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> }</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="l00074" name="l00074"></a><span class="lineno"> 74</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="l00075" name="l00075"></a><span class="lineno"> 75</span> {</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> assert(chr >= 0x10000);</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> chr -= 0x10000;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> str[0] = 0xd800 + (char32_t)((chr >> 10) & 0x3ff);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> str[1] = 0xdc00 + (char32_t)(chr & 0x3ff);</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> }</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</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="l00088" name="l00088"></a><span class="lineno"> 88</span> {</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">return</span></div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> 0x0300 <= chr && chr < 0x0370 ||</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> 0x1dc0 <= chr && chr < 0x1e00 ||</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> 0x20d0 <= chr && chr < 0x2100 ||</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> 0xfe20 <= chr && chr < 0xfe30;</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</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="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</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="l00103" name="l00103"></a><span class="lineno"> 103</span> {</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</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="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> islbreak(_In_reads_or_z_(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="l00115" name="l00115"></a><span class="lineno"> 115</span> {</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</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="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> 2;</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</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="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> 1;</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</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="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> glyphlen(_In_reads_or_z_(count) <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* glyph, <span class="keywordtype">size_t</span> count)</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="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">if</span> (count) {</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</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="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">size_t</span> i = 1;</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">for</span> (; i < count && iscombining(glyph[i]); ++i);</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> }</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</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="l00152" name="l00152"></a><span class="lineno"> 152</span> {</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> assert(str);</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">size_t</span> i;</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">for</span> (i = 0; str[i]; ++i);</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strnlen(_In_z_ <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="l00169" name="l00169"></a><span class="lineno"> 169</span> {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> assert(str);</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">size_t</span> i;</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">for</span> (i = 0; i < count && str[i]; ++i);</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">inline</span> <span class="keyword">const</span> T* strnchr(</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str,</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> _In_ T chr,</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> _In_ <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> {</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> assert(str || !count);</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</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="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">if</span> (str[i] == chr) <span class="keywordflow">return</span> str + i;</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> }</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">inline</span> <span class="keyword">const</span> T* strnichr(</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str,</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> _In_ T chr,</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> {</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> assert(str || !count);</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</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="l00215" name="l00215"></a><span class="lineno"> 215</span> chr = ctype.tolower(chr);</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</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="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">if</span> (ctype.tolower(str[i]) == chr) <span class="keywordflow">return</span> str + i;</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</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="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> strncmp(</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> _In_reads_or_z_(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="l00234" name="l00234"></a><span class="lineno"> 234</span> _In_reads_or_z_(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="l00235" name="l00235"></a><span class="lineno"> 235</span> {</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> assert(str1 || !count1);</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> assert(str2 || !count2);</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordtype">size_t</span> i; T1 a; T2 b;</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</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="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">if</span> (a > b) <span class="keywordflow">return</span> +1;</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keywordflow">if</span> (a < b) <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</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="l00244" name="l00244"></a><span class="lineno"> 244</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="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> }</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</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="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> strnicmp(</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> _In_reads_or_z_(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="l00261" name="l00261"></a><span class="lineno"> 261</span> _In_reads_or_z_(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="l00262" name="l00262"></a><span class="lineno"> 262</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> {</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> assert(str1 || !count1);</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> assert(str2 || !count2);</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordtype">size_t</span> i; T1 a; T2 b;</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</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="l00268" name="l00268"></a><span class="lineno"> 268</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="l00269" name="l00269"></a><span class="lineno"> 269</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="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span> (a > b) <span class="keywordflow">return</span> +1;</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">if</span> (a < b) <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</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="l00274" name="l00274"></a><span class="lineno"> 274</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="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> }</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="l00287" name="l00287"></a><span class="lineno"> 287</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="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">const</span> T1* strnstr(</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> _In_reads_or_z_(count) <span class="keyword">const</span> T1* str,</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> _In_z_ <span class="keyword">const</span> T2* sample,</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> _In_ <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> {</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> assert(str || !count);</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> assert(sample);</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</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="l00296" name="l00296"></a><span class="lineno"> 296</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="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">if</span> (!sample[j])</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">return</span> str + offset;</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">if</span> (i >= count || !str[i])</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</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> (str[i] != sample[j])</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</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="l00306" name="l00306"></a><span class="lineno"> 306</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> T1, <span class="keyword">class</span> T2></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="keyword">const</span> T1* strnistr(</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> _In_reads_or_z_(count) <span class="keyword">const</span> T1* str,</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> _In_z_ <span class="keyword">const</span> T2* sample,</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> _In_ <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> _In_ <span class="keyword">const</span> std::locale& locale)</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> {</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> assert(str || !count);</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> assert(sample);</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</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="l00326" name="l00326"></a><span class="lineno"> 326</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="l00327" name="l00327"></a><span class="lineno"> 327</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="l00328" name="l00328"></a><span class="lineno"> 328</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="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">if</span> (!sample[j])</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="keywordflow">return</span> str + offset;</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">if</span> (i >= count || !str[i])</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keywordflow">if</span> (ctype1.tolower(str[i]) != ctype2.tolower(sample[j]))</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> }</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</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="l00350" name="l00350"></a><span class="lineno"> 350</span> {</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> assert(dst);</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> assert(src);</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordtype">size_t</span> i, j;</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">for</span> (i = j = 0; src[j];) {</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">if</span> (src[j] != <span class="charliteral">'\r'</span> || src[j + 1] != <span class="charliteral">'\n'</span>)</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> dst[i++] = src[j++];</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> dst[i++] = <span class="charliteral">'\n'</span>;</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> j += 2;</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> }</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> }</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> dst[i] = 0;</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">return</span> i;</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> }</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</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> T, <span class="keyword">class</span> T_bin></div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">inline</span> T_bin strtoint(</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> _In_reads_or_z_(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="l00370" name="l00370"></a><span class="lineno"> 370</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> _In_ <span class="keywordtype">int</span> radix,</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> _Out_ uint8_t& flags)</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> {</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> assert(str || !count);</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> assert(radix == 0 || 2 <= radix && radix <= 36);</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordtype">size_t</span> i = 0;</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> T_bin value = 0, digit,</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> max_ui = (T_bin)-1,</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> max_ui_pre1, max_ui_pre2;</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
|
|
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> flags = 0;</div>
|
|
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> </div>
|
|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="comment">// Skip leading spaces.</span></div>
|
|
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keywordflow">for</span> (;; ++i) {</div>
|
|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="keywordflow">if</span> (!isspace(str[i])) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> }</div>
|
|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> </div>
|
|
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// Read the sign.</span></div>
|
|
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'+'</span>) {</div>
|
|
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> flags &= ~0x01;</div>
|
|
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> ++i;</div>
|
|
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> }</div>
|
|
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'-'</span>) {</div>
|
|
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> flags |= 0x01;</div>
|
|
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> ++i;</div>
|
|
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> }</div>
|
|
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> </div>
|
|
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="keywordflow">if</span> (radix == 16) {</div>
|
|
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// On hexadecimal, allow leading 0x.</span></div>
|
|
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</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="l00405" name="l00405"></a><span class="lineno"> 405</span> i += 2;</div>
|
|
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> }</div>
|
|
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> }</div>
|
|
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!radix) {</div>
|
|
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="comment">// Autodetect radix.</span></div>
|
|
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keywordflow">if</span> (str[i] == <span class="charliteral">'0'</span>) {</div>
|
|
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> ++i;</div>
|
|
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</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="l00415" name="l00415"></a><span class="lineno"> 415</span> radix = 16;</div>
|
|
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> ++i;</div>
|
|
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">if</span> (i >= count || !str[i]) <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> }</div>
|
|
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> radix = 8;</div>
|
|
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> }</div>
|
|
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> radix = 10;</div>
|
|
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> }</div>
|
|
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div>
|
|
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="comment">// We have the radix.</span></div>
|
|
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> max_ui_pre1 = max_ui / (T_bin)radix;</div>
|
|
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> max_ui_pre2 = max_ui % (T_bin)radix;</div>
|
|
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">for</span> (;;) {</div>
|
|
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</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="l00431" name="l00431"></a><span class="lineno"> 431</span> digit = (T_bin)str[i] - <span class="charliteral">'0'</span>;</div>
|
|
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</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="l00433" name="l00433"></a><span class="lineno"> 433</span> digit = (T_bin)str[i] - <span class="charliteral">'A'</span> + <span class="stringliteral">'\x0a'</span>;</div>
|
|
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</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="l00435" name="l00435"></a><span class="lineno"> 435</span> digit = (T_bin)str[i] - <span class="charliteral">'a'</span> + <span class="stringliteral">'\x0a'</span>;</div>
|
|
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="keywordflow">if</span> (digit >= (T_bin)radix)</div>
|
|
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
|
|
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</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="l00442" name="l00442"></a><span class="lineno"> 442</span> value == max_ui_pre1 && digit <= max_ui_pre2) <span class="comment">// Small digits will not overflow.</span></div>
|
|
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> value = value * (T_bin)radix + digit;</div>
|
|
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="comment">// Overflow!</span></div>
|
|
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> }</div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> </div>
|
|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> ++i;</div>
|
|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="keywordflow">if</span> (i >= count || !str[i])</div>
|
|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keywordflow">goto</span> error;</div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> }</div>
|
|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
|
|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> error:</div>
|
|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">if</span> (end) *end = i;</div>
|
|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordflow">return</span> value;</div>
|
|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> }</div>
|
|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</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="l00471" name="l00471"></a><span class="lineno"> 471</span> T_bin strtoint(</div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> {</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> uint8_t flags;</div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> T_bin value;</div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> </div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">switch</span> (<span class="keyword">sizeof</span>(T_bin)) {</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keywordflow">case</span> 1:</div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> value = (T_bin)strtoint<T, uint8_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x80)) {</div>
|
|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> }</div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> (flags & 0x01) ? (T_bin)0x80 : (T_bin)0x7f :</div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> </div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">case</span> 2:</div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> value = (T_bin)strtoint<T, T_U2>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x8000)) {</div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> }</div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> (flags & 0x01) ? (T_bin)0x8000 : (T_bin)0x7fff :</div>
|
|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> </div>
|
|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> <span class="keywordflow">case</span> 4:</div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> value = (T_bin)strtoint<T, uint32_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x80000000)) {</div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> }</div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> (flags & 0x01) ? (T_bin)0x80000000 : (T_bin)0x7fffffff :</div>
|
|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> </div>
|
|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="keywordflow">case</span> 8:</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> value = (T_bin)strtoint<T, uint64_t>(str, count, end, radix, flags);</div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> <span class="keywordflow">if</span> ((flags & 0x01) && (value & 0x8000000000000000)) {</div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <span class="comment">// Sign bit is 1 => overflow.</span></div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> flags |= 0x02;</div>
|
|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> }</div>
|
|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
|
|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> (flags & 0x01) ? (T_bin)0x8000000000000000 : (T_bin)0x7fffffffffffffff :</div>
|
|
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> (flags & 0x01) ? -value : value;</div>
|
|
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> </div>
|
|
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Unsupported bit length"</span>);</div>
|
|
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> }</div>
|
|
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> }</div>
|
|
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> </div>
|
|
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</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="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="keyword">inline</span> T_bin strtouint(</div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str,</div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> _In_ <span class="keywordtype">int</span> radix)</div>
|
|
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> {</div>
|
|
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> uint8_t flags;</div>
|
|
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> T_bin value;</div>
|
|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> </div>
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|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keywordflow">switch</span> (<span class="keyword">sizeof</span>(T_bin)) {</div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</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>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</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>
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<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</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>
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<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</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>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</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="l00551" name="l00551"></a><span class="lineno"> 551</span> }</div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> </div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="keywordflow">return</span> (flags & 0x02) ?</div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> (flags & 0x01) ? (T_bin)0 : (T_bin)-1 :</div>
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<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> (flags & 0x01) ? ~value : value;</div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> }</div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> </div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keyword">inline</span> int32_t strto32(</div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> _In_reads_or_z_(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="l00571" name="l00571"></a><span class="lineno"> 571</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> _In_ <span class="keywordtype">int</span> radix)</div>
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<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> {</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <span class="keywordflow">return</span> strtoint<T, int32_t>(str, count, end, radix);</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> }</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="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keyword">inline</span> int64_t strto64(</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> _In_reads_or_z_(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="l00590" name="l00590"></a><span class="lineno"> 590</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> _In_ <span class="keywordtype">int</span> radix)</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> {</div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="keywordflow">return</span> strtoint<T, int64_t>(str, count, end, radix);</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> }</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> </div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keyword">inline</span> intptr_t strtoi(</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> _In_reads_or_z_(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="l00610" name="l00610"></a><span class="lineno"> 610</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> _In_ <span class="keywordtype">int</span> radix)</div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> {</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span><span class="preprocessor">#if defined(_WIN64) || defined(__LP64__)</span></div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordflow">return</span> (intptr_t)strto64(str, count, end, radix);</div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">return</span> (intptr_t)strto32(str, count, end, radix);</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> }</div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> </div>
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<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="keyword">inline</span> uint32_t strtou32(</div>
|
|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> _In_ <span class="keywordtype">int</span> radix)</div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> {</div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="keywordflow">return</span> strtouint<T, uint32_t>(str, count, end, radix);</div>
|
|
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> }</div>
|
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<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> </div>
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<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> <span class="keyword">inline</span> uint64_t strtou64(</div>
|
|
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
|
|
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> _In_ <span class="keywordtype">int</span> radix)</div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> {</div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="keywordflow">return</span> strtouint<T, uint64_t>(str, count, end, radix);</div>
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<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> }</div>
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<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> </div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> strtoui(</div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> _In_reads_or_z_(count) <span class="keyword">const</span> T* str, _In_ <span class="keywordtype">size_t</span> count,</div>
|
|
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> _Out_opt_ <span class="keywordtype">size_t</span>* end,</div>
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|
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> _In_ <span class="keywordtype">int</span> radix)</div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> {</div>
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<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span><span class="preprocessor">#if defined(_WIN64) || defined(__LP64__)</span></div>
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<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)strtou64(str, count, end, radix);</div>
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<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)strtou32(str, count, end, radix);</div>
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<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> }</div>
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<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span>}</div>
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