snipt

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C++

C++: get executable running directory

#include "stdafx.h"
#include <windows.h>
#include <string>
#include <iostream>
using namespace std;;

int _tmain(int argc, _TCHAR* argv[])
{

	wchar_t pBuf[MAX_PATH]; 
	GetModuleFileName(NULL, pBuf, MAX_PATH);
	char ch[MAX_PATH];
	// convert wchar_t to char
    WideCharToMultiByte(CP_ACP, 0, pBuf, -1, ch, MAX_PATH, NULL, NULL);   
	// use char to create new string
    string strPathRaw(ch);
	// find the last slash from the end of string
    string::size_type pos = strPathRaw.find_last_of( "\\/" );
	// trim the file name
	string strPathNoFilename = strPathRaw.substr( 0, pos);
	// replace single slash with double slash
	for (int i = 0; i < strPathNoFilename.length(); ++i) 
	{
		if (strPathNoFilename[i] == '\\')
		{
			strPathNoFilename.insert(i, 1, '\\');
			++i; // Skip inserted char
		}
	}
	// add 2 more slash at the end of string
	string strPathFinal = strPathNoFilename.insert(strPathNoFilename.length(), 2, '\\\\');
	cout << strPathFinal;

	return 0;
}
https://snipt.net/embed/d6014fddb312e57302bf91b4c34108e1/
/raw/d6014fddb312e57302bf91b4c34108e1/
d6014fddb312e57302bf91b4c34108e1
cpp
C++
36
2019-06-20T03:31:10
True
False
False
/api/public/snipt/46492/
c-get-executable-running-directory
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a> <a href="#L-23">23</a> <a href="#L-24">24</a> <a href="#L-25">25</a> <a href="#L-26">26</a> <a href="#L-27">27</a> <a href="#L-28">28</a> <a href="#L-29">29</a> <a href="#L-30">30</a> <a href="#L-31">31</a> <a href="#L-32">32</a> <a href="#L-33">33</a> <a href="#L-34">34</a> <a href="#L-35">35</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="cp">#include</span> <span class="cpf">&quot;stdafx.h&quot;</span><span class="cp"></span> </span><span id="L-2"><a name="L-2"></a><span class="cp">#include</span> <span class="cpf">&lt;windows.h&gt;</span><span class="cp"></span> </span><span id="L-3"><a name="L-3"></a><span class="cp">#include</span> <span class="cpf">&lt;string&gt;</span><span class="cp"></span> </span><span id="L-4"><a name="L-4"></a><span class="cp">#include</span> <span class="cpf">&lt;iostream&gt;</span><span class="cp"></span> </span><span id="L-5"><a name="L-5"></a><span class="k">using</span> <span class="k">namespace</span> <span class="n">std</span><span class="p">;;</span> </span><span id="L-6"><a name="L-6"></a> </span><span id="L-7"><a name="L-7"></a><span class="kt">int</span> <span class="nf">_tmain</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="n">_TCHAR</span><span class="o">*</span> <span class="n">argv</span><span class="p">[])</span> </span><span id="L-8"><a name="L-8"></a><span class="p">{</span> </span><span id="L-9"><a name="L-9"></a> </span><span id="L-10"><a name="L-10"></a> <span class="kt">wchar_t</span> <span class="n">pBuf</span><span class="p">[</span><span class="n">MAX_PATH</span><span class="p">];</span> </span><span id="L-11"><a name="L-11"></a> <span class="n">GetModuleFileName</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">pBuf</span><span class="p">,</span> <span class="n">MAX_PATH</span><span class="p">);</span> </span><span id="L-12"><a name="L-12"></a> <span class="kt">char</span> <span class="n">ch</span><span class="p">[</span><span class="n">MAX_PATH</span><span class="p">];</span> </span><span id="L-13"><a name="L-13"></a> <span class="c1">// convert wchar_t to char</span> </span><span id="L-14"><a name="L-14"></a> <span class="n">WideCharToMultiByte</span><span class="p">(</span><span class="n">CP_ACP</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">pBuf</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="n">ch</span><span class="p">,</span> <span class="n">MAX_PATH</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span> </span><span id="L-15"><a name="L-15"></a> <span class="c1">// use char to create new string</span> </span><span id="L-16"><a name="L-16"></a> <span class="n">string</span> <span class="n">strPathRaw</span><span class="p">(</span><span class="n">ch</span><span class="p">);</span> </span><span id="L-17"><a name="L-17"></a> <span class="c1">// find the last slash from the end of string</span> </span><span id="L-18"><a name="L-18"></a> <span class="n">string</span><span class="o">::</span><span class="n">size_type</span> <span class="n">pos</span> <span class="o">=</span> <span class="n">strPathRaw</span><span class="p">.</span><span class="n">find_last_of</span><span class="p">(</span> <span class="s">&quot;</span><span class="se">\\</span><span class="s">/&quot;</span> <span class="p">);</span> </span><span id="L-19"><a name="L-19"></a> <span class="c1">// trim the file name</span> </span><span id="L-20"><a name="L-20"></a> <span class="n">string</span> <span class="n">strPathNoFilename</span> <span class="o">=</span> <span class="n">strPathRaw</span><span class="p">.</span><span class="n">substr</span><span class="p">(</span> <span class="mi">0</span><span class="p">,</span> <span class="n">pos</span><span class="p">);</span> </span><span id="L-21"><a name="L-21"></a> <span class="c1">// replace single slash with double slash</span> </span><span id="L-22"><a name="L-22"></a> <span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o">&lt;</span> <span class="n">strPathNoFilename</span><span class="p">.</span><span class="n">length</span><span class="p">();</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> </span><span id="L-23"><a name="L-23"></a> <span class="p">{</span> </span><span id="L-24"><a name="L-24"></a> <span class="k">if</span> <span class="p">(</span><span class="n">strPathNoFilename</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="sc">&#39;\\&#39;</span><span class="p">)</span> </span><span id="L-25"><a name="L-25"></a> <span class="p">{</span> </span><span id="L-26"><a name="L-26"></a> <span class="n">strPathNoFilename</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="sc">&#39;\\&#39;</span><span class="p">);</span> </span><span id="L-27"><a name="L-27"></a> <span class="o">++</span><span class="n">i</span><span class="p">;</span> <span class="c1">// Skip inserted char</span> </span><span id="L-28"><a name="L-28"></a> <span class="p">}</span> </span><span id="L-29"><a name="L-29"></a> <span class="p">}</span> </span><span id="L-30"><a name="L-30"></a> <span class="c1">// add 2 more slash at the end of string</span> </span><span id="L-31"><a name="L-31"></a> <span class="n">string</span> <span class="n">strPathFinal</span> <span class="o">=</span> <span class="n">strPathNoFilename</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="n">strPathNoFilename</span><span class="p">.</span><span class="n">length</span><span class="p">(),</span> <span class="mi">2</span><span class="p">,</span> <span class="err">&#39;\\\\&#39;</span><span class="p">);</span> </span><span id="L-32"><a name="L-32"></a> <span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="n">strPathFinal</span><span class="p">;</span> </span><span id="L-33"><a name="L-33"></a> </span><span id="L-34"><a name="L-34"></a> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> </span><span id="L-35"><a name="L-35"></a><span class="p">}</span> </span></pre></div> </td></tr></table>
C++