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<div class="title">touch.hpp</div> </div>
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<a href="touch_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#ifndef __STOUT_OS_TOUCH_HPP__</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __STOUT_OS_TOUCH_HPP__</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="close_8hpp.html">stout/os/close.hpp</a>&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="exists_8hpp.html">stout/os/exists.hpp</a>&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="int__fd_8hpp.html">stout/os/int_fd.hpp</a>&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="open_8hpp.html">stout/os/open.hpp</a>&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="utime_8hpp.html">stout/os/utime.hpp</a>&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#ifdef __WINDOWS__</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html">stout/windows.hpp</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#endif // __WINDOWS__</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">namespace </span>os {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="namespaceos.html#a63be913dceea50b05a9c0ab845bd43c2"> 32</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classTry.html">Try&lt;Nothing&gt;</a> <a class="code" href="namespaceos.html#a63be913dceea50b05a9c0ab845bd43c2">touch</a>(<span class="keyword">const</span> std::string&amp; path)</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;{</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a>(path)) {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="classTry.html">Try&lt;int_fd&gt;</a> fd = <a class="code" href="namespaceos.html#abbdbbbe902fd8dc271077d94b99994e7">os::open</a>(</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; path,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abb0586253488ee61072b73557eeb873b">O_RDWR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a1cf6b1de1fffedaa1d26b189e9a8d2cc">O_CREAT</a>,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a66cff14a0638cde9f422c7a4b0938e61">S_IRUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#aead39710af2622ee9b0d412f62e90aa5">S_IWUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a55fad1c3746e1b8a6a00c10998e91d91">S_IRGRP</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a90d7514882640a8cd7b8da14138103b7">S_IROTH</a>);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">if</span> (fd.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Failed to open file: &quot;</span> + fd.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; }</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(fd.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="comment">// Update the access and modification times.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceos.html#a818327458964860a86fc8964e4795b4d">os::utime</a>(path);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;}</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;} <span class="comment">// namespace os {</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor">#endif // __STOUT_OS_TOUCH_HPP__</span></div>
<div class="ttc" id="namespaceos_html_a63be913dceea50b05a9c0ab845bd43c2"><div class="ttname"><a href="namespaceos.html#a63be913dceea50b05a9c0ab845bd43c2">os::touch</a></div><div class="ttdeci">Try&lt; Nothing &gt; touch(const std::string &amp;path)</div><div class="ttdef"><b>Definition:</b> touch.hpp:32</div></div>
<div class="ttc" id="namespaceos_html_a69b3969276ffa4cb698b9431ee43bd7c"><div class="ttname"><a href="namespaceos.html#a69b3969276ffa4cb698b9431ee43bd7c">os::exists</a></div><div class="ttdeci">bool exists(const std::string &amp;path)</div><div class="ttdef"><b>Definition:</b> exists.hpp:26</div></div>
<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_a55fad1c3746e1b8a6a00c10998e91d91"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a55fad1c3746e1b8a6a00c10998e91d91">S_IRGRP</a></div><div class="ttdeci">const mode_t S_IRGRP</div><div class="ttdef"><b>Definition:</b> windows.hpp:297</div></div>
<div class="ttc" id="exists_8hpp_html"><div class="ttname"><a href="exists_8hpp.html">exists.hpp</a></div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_aead39710af2622ee9b0d412f62e90aa5"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#aead39710af2622ee9b0d412f62e90aa5">S_IWUSR</a></div><div class="ttdeci">const mode_t S_IWUSR</div><div class="ttdef"><b>Definition:</b> windows.hpp:290</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_a1cf6b1de1fffedaa1d26b189e9a8d2cc"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a1cf6b1de1fffedaa1d26b189e9a8d2cc">O_CREAT</a></div><div class="ttdeci">#define O_CREAT</div><div class="ttdef"><b>Definition:</b> windows.hpp:147</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_a66cff14a0638cde9f422c7a4b0938e61"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a66cff14a0638cde9f422c7a4b0938e61">S_IRUSR</a></div><div class="ttdeci">const mode_t S_IRUSR</div><div class="ttdef"><b>Definition:</b> windows.hpp:289</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html">windows.hpp</a></div></div>
<div class="ttc" id="close_8hpp_html"><div class="ttname"><a href="close_8hpp.html">close.hpp</a></div></div>
<div class="ttc" id="utime_8hpp_html"><div class="ttname"><a href="utime_8hpp.html">utime.hpp</a></div></div>
<div class="ttc" id="open_8hpp_html"><div class="ttname"><a href="open_8hpp.html">open.hpp</a></div></div>
<div class="ttc" id="nothing_8hpp_html"><div class="ttname"><a href="nothing_8hpp.html">nothing.hpp</a></div></div>
<div class="ttc" id="namespaceos_html_a8df77ec6d6b8d32d9b287a41bc74cfdc"><div class="ttname"><a href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a></div><div class="ttdeci">Try&lt; Nothing &gt; close(int fd)</div><div class="ttdef"><b>Definition:</b> close.hpp:24</div></div>
<div class="ttc" id="namespaceos_html_a818327458964860a86fc8964e4795b4d"><div class="ttname"><a href="namespaceos.html#a818327458964860a86fc8964e4795b4d">os::utime</a></div><div class="ttdeci">Try&lt; Nothing &gt; utime(const std::string &amp;path)</div><div class="ttdef"><b>Definition:</b> utime.hpp:32</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_abb0586253488ee61072b73557eeb873b"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#abb0586253488ee61072b73557eeb873b">O_RDWR</a></div><div class="ttdeci">#define O_RDWR</div><div class="ttdef"><b>Definition:</b> windows.hpp:146</div></div>
<div class="ttc" id="classTry_html_aec4a11ddd3c036e889d90b7eb6258ba7"><div class="ttname"><a href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">Try::error</a></div><div class="ttdeci">static Try error(const E &amp;e)</div><div class="ttdef"><b>Definition:</b> try.hpp:42</div></div>
<div class="ttc" id="classTry_html_a0b98f95163b8a38daafd1651b043a276"><div class="ttname"><a href="classTry.html#a0b98f95163b8a38daafd1651b043a276">Try::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> try.hpp:71</div></div>
<div class="ttc" id="namespaceos_html_abbdbbbe902fd8dc271077d94b99994e7"><div class="ttname"><a href="namespaceos.html#abbdbbbe902fd8dc271077d94b99994e7">os::open</a></div><div class="ttdeci">Try&lt; int_fd &gt; open(const std::string &amp;path, int oflag, mode_t mode=0)</div><div class="ttdef"><b>Definition:</b> open.hpp:61</div></div>
<div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div>
<div class="ttc" id="int__fd_8hpp_html"><div class="ttname"><a href="int__fd_8hpp.html">int_fd.hpp</a></div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_a90d7514882640a8cd7b8da14138103b7"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a90d7514882640a8cd7b8da14138103b7">S_IROTH</a></div><div class="ttdeci">const mode_t S_IROTH</div><div class="ttdef"><b>Definition:</b> windows.hpp:305</div></div>
<div class="ttc" id="classTry_html_a7be0768038e0628632492edf6cc1515a"><div class="ttname"><a href="classTry.html#a7be0768038e0628632492edf6cc1515a">Try::get</a></div><div class="ttdeci">const T &amp; get() const </div><div class="ttdef"><b>Definition:</b> try.hpp:73</div></div>
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