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<p>Octal to hexadecimal conversion by scanning user input.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;assert.h&gt;</code><br />
<code>#include &lt;math.h&gt;</code><br />
<code>#include &lt;stdio.h&gt;</code><br />
<code>#include &lt;stdlib.h&gt;</code><br />
<code>#include &lt;string.h&gt;</code><br />
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Include dependency graph for octal_to_hexadecimal.c:</div>
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Functions</h2></td></tr>
<tr class="memitem:a86a4edb605c2a03d9175c59de679347d"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d8a/octal__to__hexadecimal_8c.html#a86a4edb605c2a03d9175c59de679347d">octalToDecimal</a> (long octalValue)</td></tr>
<tr class="memdesc:a86a4edb605c2a03d9175c59de679347d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Convert octal number to decimal number. <a href="../../d0/d8a/octal__to__hexadecimal_8c.html#a86a4edb605c2a03d9175c59de679347d">More...</a><br /></td></tr>
<tr class="separator:a86a4edb605c2a03d9175c59de679347d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a823ef5170955cfef40e07d9a4d2e87e2"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d8a/octal__to__hexadecimal_8c.html#a823ef5170955cfef40e07d9a4d2e87e2">octalToHexadecimal</a> (long octalValue)</td></tr>
<tr class="memdesc:a823ef5170955cfef40e07d9a4d2e87e2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Convert octal number to hexadecimal number dynamically allocated memory needs to be freed by the calling the function free. <a href="../../d0/d8a/octal__to__hexadecimal_8c.html#a823ef5170955cfef40e07d9a4d2e87e2">More...</a><br /></td></tr>
<tr class="separator:a823ef5170955cfef40e07d9a4d2e87e2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa8dca7b867074164d5f45b0f3851269d"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d8a/octal__to__hexadecimal_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Test function. <a href="../../d0/d8a/octal__to__hexadecimal_8c.html#aa8dca7b867074164d5f45b0f3851269d">More...</a><br /></td></tr>
<tr class="separator:aa8dca7b867074164d5f45b0f3851269d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d8a/octal__to__hexadecimal_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main function. <a href="../../d0/d8a/octal__to__hexadecimal_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4">More...</a><br /></td></tr>
<tr class="separator:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Octal to hexadecimal conversion by scanning user input. </p>
<p >The octalToHexadecimal function take the octal number as long return a string hexadecimal value after conversion </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/rachitbhalla" target="_blank">Rachit Bhalla</a> </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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<td class="memname">int main </td>
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<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Main function. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 61</span>{</div>
<div class="line"><span class="lineno"> 62</span> <span class="comment">// execute the tests</span></div>
<div class="line"><span class="lineno"> 63</span> <a class="code hl_function" href="../../d0/d8a/octal__to__hexadecimal_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a>();</div>
<div class="line"><span class="lineno"> 64</span> </div>
<div class="line"><span class="lineno"> 65</span> <span class="comment">// get the value of octal number as input</span></div>
<div class="line"><span class="lineno"> 66</span> <span class="keywordtype">int</span> octalValue;</div>
<div class="line"><span class="lineno"> 67</span> printf(<span class="stringliteral">&quot;Enter an octal number: &quot;</span>);</div>
<div class="line"><span class="lineno"> 68</span> scanf(<span class="stringliteral">&quot;%d&quot;</span>, &amp;octalValue);</div>
<div class="line"><span class="lineno"> 69</span> </div>
<div class="line"><span class="lineno"> 70</span> <span class="comment">// call the function octalToHexadecimal and print the hexadecimal value</span></div>
<div class="line"><span class="lineno"> 71</span> <span class="keywordtype">char</span> *hexadecimalValue = <a class="code hl_function" href="../../d0/d8a/octal__to__hexadecimal_8c.html#a823ef5170955cfef40e07d9a4d2e87e2">octalToHexadecimal</a>(octalValue);</div>
<div class="line"><span class="lineno"> 72</span> printf(<span class="stringliteral">&quot;Equivalent hexadecimal number is: %s&quot;</span>, hexadecimalValue);</div>
<div class="line"><span class="lineno"> 73</span> </div>
<div class="line"><span class="lineno"> 74</span> <span class="comment">// free the memory allocated dynamically in function octalToHexadecimal</span></div>
<div class="line"><span class="lineno"> 75</span> <a class="code hl_define" href="../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768">free</a>(hexadecimalValue);</div>
<div class="line"><span class="lineno"> 76</span> </div>
<div class="line"><span class="lineno"> 77</span> <span class="comment">// return 0 and exit</span></div>
<div class="line"><span class="lineno"> 78</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 79</span>}</div>
<div class="ttc" id="amalloc__dbg_8h_html_a9cc854374299a1dd933bf62029761768"><div class="ttname"><a href="../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768">free</a></div><div class="ttdeci">#define free(ptr)</div><div class="ttdoc">This macro replace the standard free function with free_dbg.</div><div class="ttdef"><b>Definition:</b> malloc_dbg.h:26</div></div>
<div class="ttc" id="aoctal__to__hexadecimal_8c_html_a823ef5170955cfef40e07d9a4d2e87e2"><div class="ttname"><a href="../../d0/d8a/octal__to__hexadecimal_8c.html#a823ef5170955cfef40e07d9a4d2e87e2">octalToHexadecimal</a></div><div class="ttdeci">char * octalToHexadecimal(long octalValue)</div><div class="ttdoc">Convert octal number to hexadecimal number dynamically allocated memory needs to be freed by the call...</div><div class="ttdef"><b>Definition:</b> octal_to_hexadecimal.c:38</div></div>
<div class="ttc" id="aoctal__to__hexadecimal_8c_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d0/d8a/octal__to__hexadecimal_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Test function.</div><div class="ttdef"><b>Definition:</b> octal_to_hexadecimal.c:48</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a86a4edb605c2a03d9175c59de679347d">&#9670;&#160;</a></span>octalToDecimal()</h2>
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<td class="memname">long octalToDecimal </td>
<td>(</td>
<td class="paramtype">long&#160;</td>
<td class="paramname"><em>octalValue</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Convert octal number to decimal number. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">octalValue</td><td>is the octal number that needs to be converted </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a decimal number after conversion </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 20</span> {</div>
<div class="line"><span class="lineno"> 21</span> <span class="keywordtype">long</span> decimalValue = 0;</div>
<div class="line"><span class="lineno"> 22</span> <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><span class="lineno"> 23</span> <span class="keywordflow">while</span> (octalValue) {</div>
<div class="line"><span class="lineno"> 24</span> <span class="comment">// Extracts right-most digit, multiplies it with 8^i, and increment i by 1</span></div>
<div class="line"><span class="lineno"> 25</span> decimalValue += (long)(octalValue % 10) * pow(8, i++);</div>
<div class="line"><span class="lineno"> 26</span> <span class="comment">// Shift right in base 10</span></div>
<div class="line"><span class="lineno"> 27</span> octalValue /= 10;</div>
<div class="line"><span class="lineno"> 28</span> }</div>
<div class="line"><span class="lineno"> 29</span> <span class="keywordflow">return</span> decimalValue;</div>
<div class="line"><span class="lineno"> 30</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a823ef5170955cfef40e07d9a4d2e87e2">&#9670;&#160;</a></span>octalToHexadecimal()</h2>
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<td class="memname">char * octalToHexadecimal </td>
<td>(</td>
<td class="paramtype">long&#160;</td>
<td class="paramname"><em>octalValue</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Convert octal number to hexadecimal number dynamically allocated memory needs to be freed by the calling the function free. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">octalValue</td><td>is the octal number that needs to be converted </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a hexadecimal value as a string after conversion </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 38</span> {</div>
<div class="line"><span class="lineno"> 39</span> <span class="keywordtype">char</span> *hexadecimalValue = <a class="code hl_define" href="../../d2/ddd/malloc__dbg_8h.html#a725f50ecaf1959d96de79b36b4788fee">malloc</a>(256 * <span class="keyword">sizeof</span>(<span class="keywordtype">char</span>));</div>
<div class="line"><span class="lineno"> 40</span> sprintf(hexadecimalValue, <span class="stringliteral">&quot;%lX&quot;</span>, <a class="code hl_function" href="../../d0/d8a/octal__to__hexadecimal_8c.html#a86a4edb605c2a03d9175c59de679347d">octalToDecimal</a>(octalValue));</div>
<div class="line"><span class="lineno"> 41</span> <span class="keywordflow">return</span> hexadecimalValue;</div>
<div class="line"><span class="lineno"> 42</span>}</div>
<div class="ttc" id="amalloc__dbg_8h_html_a725f50ecaf1959d96de79b36b4788fee"><div class="ttname"><a href="../../d2/ddd/malloc__dbg_8h.html#a725f50ecaf1959d96de79b36b4788fee">malloc</a></div><div class="ttdeci">#define malloc(bytes)</div><div class="ttdoc">This macro replace the standard malloc function with malloc_dbg.</div><div class="ttdef"><b>Definition:</b> malloc_dbg.h:18</div></div>
<div class="ttc" id="aoctal__to__hexadecimal_8c_html_a86a4edb605c2a03d9175c59de679347d"><div class="ttname"><a href="../../d0/d8a/octal__to__hexadecimal_8c.html#a86a4edb605c2a03d9175c59de679347d">octalToDecimal</a></div><div class="ttdeci">long octalToDecimal(long octalValue)</div><div class="ttdoc">Convert octal number to decimal number.</div><div class="ttdef"><b>Definition:</b> octal_to_hexadecimal.c:20</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aa8dca7b867074164d5f45b0f3851269d">&#9670;&#160;</a></span>test()</h2>
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<td class="memname">static void test </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</div><div class="memdoc">
<p>Test function. </p>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 48</span> {</div>
<div class="line"><span class="lineno"> 49</span> <span class="comment">/* test that hexadecimal value of octal number 213 is 8B */</span></div>
<div class="line"><span class="lineno"> 50</span> assert(strcmp(<a class="code hl_function" href="../../d0/d8a/octal__to__hexadecimal_8c.html#a823ef5170955cfef40e07d9a4d2e87e2">octalToHexadecimal</a>(213), <span class="stringliteral">&quot;8B&quot;</span>) == 0);</div>
<div class="line"><span class="lineno"> 51</span> </div>
<div class="line"><span class="lineno"> 52</span> <span class="comment">/* test that hexadecimal value of octal number 174 is 7C */</span></div>
<div class="line"><span class="lineno"> 53</span> assert(strcmp(<a class="code hl_function" href="../../d0/d8a/octal__to__hexadecimal_8c.html#a823ef5170955cfef40e07d9a4d2e87e2">octalToHexadecimal</a>(174), <span class="stringliteral">&quot;7C&quot;</span>) == 0);</div>
<div class="line"><span class="lineno"> 54</span>}</div>
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