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<div class="title">linux_adapter.cpp</div> </div>
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<a href="../../dc/d93/linux__adapter_8cpp.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2016-2019, SLikeSoft UG (haftungsbeschränkt)</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This source code is licensed under the MIT-style license found in the</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * license.txt file in the root directory of this source tree.</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This file defines adapters for all MS-specific functions used throughout SLikeNet.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#ifdef __linux__</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="../../d7/db2/linux__adapter_8h.xhtml">slikenet/linux_adapter.h</a>"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <algorithm></span> <span class="comment">// for std::max, std::min</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <cerrno></span> <span class="comment">// for errno</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <cstdio></span> <span class="comment">// for FILE, fopen, vsnprintf</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstdlib></span> <span class="comment">// for mbstowcs</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <cstring></span> <span class="comment">// for strcat, strcpy, strerror, strncat, strncpy</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <cstdarg></span> <span class="comment">// for va_start, va_end, va_list</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <ctime></span> <span class="comment">// for localtime, time_t</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cwchar></span> <span class="comment">// for wcscat, wcscpy, wcslen</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> errno_t fopen_s(FILE **pfile, <span class="keyword">const</span> <span class="keywordtype">char</span> *filename, <span class="keyword">const</span> <span class="keywordtype">char</span> *mode)</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">if</span> ((pfile == <span class="keyword">nullptr</span>) || (filename == <span class="keyword">nullptr</span>) || (mode == <span class="keyword">nullptr</span>)) {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  FILE *file = fopen(filename, mode);</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">if</span> (file == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> errno;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  *pfile = file;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> errno_t localtime_s(<span class="keyword">struct</span> tm *_tm, <span class="keyword">const</span> time_t *time)</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// #med - should actually also check for _*time > _MAX_TIME64_T according to MSDN, but can't seem to find the</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// definition of _MAX_TIME64_T</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> ((_tm == <span class="keyword">nullptr</span>) || (time == <span class="keyword">nullptr</span>) || (*time == 0)) {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span> (_tm != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  _tm->tm_hour = -1;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  _tm->tm_isdst = -1;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  _tm->tm_mday = -1;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  _tm->tm_min = -1;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  _tm->tm_mon = -1;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  _tm->tm_sec = -1;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  _tm->tm_wday = -1;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  _tm->tm_yday = -1;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  _tm->tm_year = -1;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">struct </span>tm *curTime = localtime(time);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  *_tm = *curTime;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> errno_t mbstowcs_s(<span class="keywordtype">size_t</span> *pReturnValue, <span class="keywordtype">wchar_t</span> *wcstr, <span class="keywordtype">size_t</span> sizeInWords, <span class="keyword">const</span> <span class="keywordtype">char</span> *mbstr, <span class="keywordtype">size_t</span> count)</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> ((mbstr == <span class="keyword">nullptr</span>) || ((wcstr == <span class="keyword">nullptr</span>) && (sizeInWords > 0)) || ((wcstr != <span class="keyword">nullptr</span>) && (sizeInWords != 0))) {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (wcstr != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  wcstr[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure 0-termination</span></div>
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|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
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|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
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|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">size_t</span> numMaxChars = sizeInWords;</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (count != _TRUNCATE) {</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  numMaxChars = std::min(numMaxChars, count);</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
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|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">size_t</span> numCharsWritten = mbstowcs(wcstr, mbstr, numMaxChars);</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (numCharsWritten == (<span class="keywordtype">size_t</span>)-1) {</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// invalid multibyte character encountered</span></div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (pReturnValue != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  *pReturnValue = 0;</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (wcstr != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  wcstr[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure 0-termination</span></div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> 42; <span class="comment">// error: EILSEQ</span></div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (numCharsWritten == numMaxChars) {</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (wcstr != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  wcstr[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure 0-termination</span></div>
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|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
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|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
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|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
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|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (pReturnValue != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  *pReturnValue = numCharsWritten + 1; <span class="comment">// chars written, including terminating null character</span></div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// ensure we write a terminating null character (in case there was none in the original converted string)</span></div>
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|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (wcstr != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  wcstr[numCharsWritten] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure 0-termination</span></div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keywordtype">int</span> sprintf_s(<span class="keywordtype">char</span> *buffer, <span class="keywordtype">size_t</span> sizeOfBuffer, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, ...)</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> ((buffer == <span class="keyword">nullptr</span>) || (sizeOfBuffer == 0) || (format == <span class="keyword">nullptr</span>)) {</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  va_list arglist;</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  va_start(arglist, format);</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">int</span> numCharsWritten = vsnprintf(buffer, sizeOfBuffer, format, arglist);</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  va_end(arglist);</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (numCharsWritten == -1) {</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  buffer[0] = <span class="charliteral">'\0'</span>; <span class="comment">// error occurred ensure terminating \0-character</span></div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (numCharsWritten >= sizeOfBuffer) {</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  buffer[0] = <span class="charliteral">'\0'</span>; <span class="comment">// buffer too small, write empty string to ensure terminating \0-char</span></div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> numCharsWritten;</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> errno_t strcat_s(<span class="keywordtype">char</span> *strDestination, <span class="keywordtype">size_t</span> numberOfElements, <span class="keyword">const</span> <span class="keywordtype">char</span> *strSource)</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> {</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> ((strDestination == <span class="keyword">nullptr</span>) || (strSource == <span class="keyword">nullptr</span>)) {</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (strDestination != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  strDestination[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (numberOfElements == 0) {</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  strDestination[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> destLen = strlen(strDestination);</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> sourceLen = strlen(strSource);</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> ((destLen > numberOfElements - 1) || ((sourceLen > 0) && (destLen == numberOfElements - 1)) || (sourceLen > numberOfElements - destLen - 1)) {</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  strDestination[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  (void)strcat(strDestination, strSource);</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> errno_t strcpy_s(<span class="keywordtype">char</span>* strDestination, <span class="keywordtype">size_t</span> numberOfElements, <span class="keyword">const</span> <span class="keywordtype">char</span> *strSource)</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> {</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> ((strDestination == <span class="keyword">nullptr</span>) || (strSource == <span class="keyword">nullptr</span>)) {</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (strDestination != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  strDestination[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> ((numberOfElements == 0) || (strlen(strSource) >= numberOfElements)) {</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  strDestination[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  (void)strcpy(strDestination, strSource);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> errno_t strerror_s(<span class="keywordtype">char</span>* buffer, <span class="keywordtype">size_t</span> numberOfElements, <span class="keywordtype">int</span> errnum)</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> {</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// check valid parameters</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> ((buffer == <span class="keyword">nullptr</span>) || (numberOfElements == 0)) {</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *errorMessage = strerror(errnum);</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> strcpy_s(buffer, numberOfElements, errorMessage);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> errno_t strncat_s(<span class="keywordtype">char</span> *strDest, <span class="keywordtype">size_t</span> numberOfElements, <span class="keyword">const</span> <span class="keywordtype">char</span> *strSource, <span class="keywordtype">size_t</span> count)</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> {</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// check valid parameters</span></div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> ((strDest == <span class="keyword">nullptr</span>) || (strSource == <span class="keyword">nullptr</span>)) {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (numberOfElements == 0) {</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">size_t</span> charsToWrite;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> sourceLen = strlen(strSource);</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (count == _TRUNCATE) {</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  charsToWrite = sourceLen;</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  charsToWrite = std::min(count, sourceLen);</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> destLen = strlen(strDest);</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> sizeLeft = numberOfElements - destLen;</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (((count != _TRUNCATE) && (charsToWrite > sizeLeft - 1)) || ((sourceLen > 0) && (destLen == numberOfElements - 1))) {</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  strDest[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  (void)strncat(strDest, strSource, charsToWrite);</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> errno_t strncpy_s(<span class="keywordtype">char</span> *strDest, <span class="keywordtype">size_t</span> numberOfElements, <span class="keyword">const</span> <span class="keywordtype">char</span> *strSource, <span class="keywordtype">size_t</span> count)</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> {</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// check valid parameters</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> ((numberOfElements == 0) || (strDest == <span class="keyword">nullptr</span>) || (strSource == <span class="keyword">nullptr</span>)) {</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (strDest != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  strDest[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">size_t</span> numChars;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">bool</span> truncated = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (count == _TRUNCATE) {</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// if count == _TRUNCATE use the length of the source string</span></div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  numChars = strlen(strSource);</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">// ensure we are not exceeding numberOfElements</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (numChars >= numberOfElements) {</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  numChars = numberOfElements - 1;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  truncated = <span class="keyword">true</span>; <span class="comment">// we are going to truncate the copied string</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// otherwise we use count, but have to check that the destination buffer is of sufficient size</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> ((count > numberOfElements) || ((count == numberOfElements) && (strSource[count] != <span class="charliteral">'\0'</span>))) {</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  strDest[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  numChars = count;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  (void)strncpy(strDest, strSource, numChars);</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// enforce the trailing \0</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  strDest[numChars] = <span class="charliteral">'\0'</span>;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> truncated ? 80 : 0; <span class="comment">// STRUNCATE, if we truncated the string, 0 otherwise</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="keywordtype">int</span> vsnprintf_s(<span class="keywordtype">char</span> *buffer, <span class="keywordtype">size_t</span> sizeOfBuffer, <span class="keywordtype">size_t</span> count, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, va_list argptr)</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> {</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> ((buffer == <span class="keyword">nullptr</span>) || (format == <span class="keyword">nullptr</span>) || (sizeOfBuffer == 0)) {</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">size_t</span> maxChars = sizeOfBuffer;</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (count != _TRUNCATE) {</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">if</span> (count >= sizeOfBuffer) {</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  buffer[0] = <span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  maxChars = count;</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">int</span> numCharsWritten = vsnprintf(buffer, maxChars, format, argptr);</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (numCharsWritten >= maxChars) {</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">if</span> (count != _TRUNCATE) {</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  buffer[0] = <span class="charliteral">'\0'</span>; <span class="comment">// buffer set to empty string</span></div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// truncation occurred, add terminating \0</span></div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  buffer[sizeOfBuffer] = <span class="charliteral">'\0'</span>;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> numCharsWritten;</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> errno_t wcscat_s(<span class="keywordtype">wchar_t</span> *strDestination, <span class="keywordtype">size_t</span> numberOfElements, <span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *strSource)</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> {</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> ((strDestination == <span class="keyword">nullptr</span>) || (strSource == <span class="keyword">nullptr</span>)) {</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span> (strDestination != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  strDestination[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (numberOfElements == 0) {</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  strDestination[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> destLen = wcslen(strDestination);</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> sourceLen = wcslen(strSource);</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">if</span> ((destLen > numberOfElements - 1) || ((sourceLen > 0) && (destLen == numberOfElements)) || (sourceLen > numberOfElements - destLen - 1)) {</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  strDestination[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
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|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
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|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
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|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  (void)wcscat(strDestination, strSource);</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> 0;</div>
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|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div>
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|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> errno_t wcscpy_s(<span class="keywordtype">wchar_t</span>* strDestination, <span class="keywordtype">size_t</span> numberOfElements, <span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *strSource)</div>
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|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> {</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> ((strDestination == <span class="keyword">nullptr</span>) || (strSource == <span class="keyword">nullptr</span>)) {</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (strDestination != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  strDestination[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> 22; <span class="comment">// error: EINVAL</span></div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> ((numberOfElements == 0) || (wcslen(strSource) >= numberOfElements)) {</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  strDestination[0] = L<span class="charliteral">'\0'</span>; <span class="comment">// ensure trailing \0 is written</span></div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> 34; <span class="comment">// error: ERANGE</span></div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  (void)wcscpy(strDestination, strSource);</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> }</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#endif</span></div>
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