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<div id="projectbrief">Set of algorithms implemented in C.</div>
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<p>Convert a positive integer to string (non-standard function) representation.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;assert.h&gt;</code><br />
<code>#include &lt;inttypes.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 />
<code>#include &lt;time.h&gt;</code><br />
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Include dependency graph for int_to_string.c:</div>
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Functions</h2></td></tr>
<tr class="memitem:aeb4be1a1db1c5fea06e9d8b87e6c3973"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d53/int__to__string_8c.html#aeb4be1a1db1c5fea06e9d8b87e6c3973">int_to_string</a> (uint16_t value, char *dest, int base)</td></tr>
<tr class="memdesc:aeb4be1a1db1c5fea06e9d8b87e6c3973"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts an integer value to a null-terminated string using the specified base and stores the result in the array given by str parameter. <a href="../../dd/d53/int__to__string_8c.html#aeb4be1a1db1c5fea06e9d8b87e6c3973">More...</a><br /></td></tr>
<tr class="separator:aeb4be1a1db1c5fea06e9d8b87e6c3973"><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="../../dd/d53/int__to__string_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Test function. <a href="../../dd/d53/int__to__string_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="../../dd/d53/int__to__string_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Driver Code. <a href="../../dd/d53/int__to__string_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 >Convert a positive integer to string (non-standard function) representation. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="aeb4be1a1db1c5fea06e9d8b87e6c3973" name="aeb4be1a1db1c5fea06e9d8b87e6c3973"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aeb4be1a1db1c5fea06e9d8b87e6c3973">&#9670;&#160;</a></span>int_to_string()</h2>
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<td class="memname">char * int_to_string </td>
<td>(</td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>dest</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>base</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Converts an integer value to a null-terminated string using the specified base and stores the result in the array given by str parameter. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>Value to be converted to a string. </td></tr>
<tr><td class="paramname">dest</td><td>pointer to array in memory to store the resulting null-terminated string. </td></tr>
<tr><td class="paramname">base</td><td>Numerical base used to represent the value as a string, between 2 and 16, where 10 means decimal base, 16 hexadecimal, 8 octal, and 2 binary. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A pointer to the resulting null-terminated string, same as parameter str. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>The destination array must be pre-allocated by the calling function. </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 26</span>{</div>
<div class="line"><span class="lineno"> 27</span> <span class="keyword">const</span> <span class="keywordtype">char</span> hex_table[] = {<span class="charliteral">&#39;0&#39;</span>, <span class="charliteral">&#39;1&#39;</span>, <span class="charliteral">&#39;2&#39;</span>, <span class="charliteral">&#39;3&#39;</span>, <span class="charliteral">&#39;4&#39;</span>, <span class="charliteral">&#39;5&#39;</span>, <span class="charliteral">&#39;6&#39;</span>, <span class="charliteral">&#39;7&#39;</span>,</div>
<div class="line"><span class="lineno"> 28</span> <span class="charliteral">&#39;8&#39;</span>, <span class="charliteral">&#39;9&#39;</span>, <span class="charliteral">&#39;a&#39;</span>, <span class="charliteral">&#39;b&#39;</span>, <span class="charliteral">&#39;c&#39;</span>, <span class="charliteral">&#39;d&#39;</span>, <span class="charliteral">&#39;e&#39;</span>, <span class="charliteral">&#39;f&#39;</span>};</div>
<div class="line"><span class="lineno"> 29</span> </div>
<div class="line"><span class="lineno"> 30</span> <span class="keywordtype">int</span> len = 0;</div>
<div class="line"><span class="lineno"> 31</span> <span class="keywordflow">do</span></div>
<div class="line"><span class="lineno"> 32</span> {</div>
<div class="line"><span class="lineno"> 33</span> dest[len++] = hex_table[value % base];</div>
<div class="line"><span class="lineno"> 34</span> value /= base;</div>
<div class="line"><span class="lineno"> 35</span> } <span class="keywordflow">while</span> (value != 0);</div>
<div class="line"><span class="lineno"> 36</span> </div>
<div class="line"><span class="lineno"> 37</span> <span class="comment">/* reverse characters */</span></div>
<div class="line"><span class="lineno"> 38</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0, limit = len / 2; i &lt; limit; ++i)</div>
<div class="line"><span class="lineno"> 39</span> {</div>
<div class="line"><span class="lineno"> 40</span> <span class="keywordtype">char</span> t = dest[i];</div>
<div class="line"><span class="lineno"> 41</span> dest[i] = dest[len - 1 - i];</div>
<div class="line"><span class="lineno"> 42</span> dest[len - 1 - i] = t;</div>
<div class="line"><span class="lineno"> 43</span> }</div>
<div class="line"><span class="lineno"> 44</span> dest[len] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><span class="lineno"> 45</span> <span class="keywordflow">return</span> dest;</div>
<div class="line"><span class="lineno"> 46</span>}</div>
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<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>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
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</div><div class="memdoc">
<p>Driver Code. </p>
<div class="fragment"><div class="line"><span class="lineno"> 78</span>{</div>
<div class="line"><span class="lineno"> 79</span> <span class="comment">/* Intializes random number generator */</span></div>
<div class="line"><span class="lineno"> 80</span> srand(time(NULL));</div>
<div class="line"><span class="lineno"> 81</span> <a class="code hl_function" href="../../dd/d53/int__to__string_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a>();</div>
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 83</span>}</div>
<div class="ttc" id="aint__to__string_8c_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../dd/d53/int__to__string_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> int_to_string.c:51</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>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Test function. </p>
<dl class="section return"><dt>Returns</dt><dd><code>void</code> </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 52</span>{</div>
<div class="line"><span class="lineno"> 53</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_SIZE = 100;</div>
<div class="line"><span class="lineno"> 54</span> <span class="keywordtype">char</span> *str1 = (<span class="keywordtype">char</span> *)<a class="code hl_define" href="../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b">calloc</a>(<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>), MAX_SIZE);</div>
<div class="line"><span class="lineno"> 55</span> <span class="keywordtype">char</span> *str2 = (<span class="keywordtype">char</span> *)<a class="code hl_define" href="../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b">calloc</a>(<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>), MAX_SIZE);</div>
<div class="line"><span class="lineno"> 56</span> </div>
<div class="line"><span class="lineno"> 57</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i &lt;= 100; ++i) <span class="comment">/* test 100 random numbers */</span></div>
<div class="line"><span class="lineno"> 58</span> {</div>
<div class="line"><span class="lineno"> 59</span> <span class="comment">/* Generate value from 0 to 100 */</span></div>
<div class="line"><span class="lineno"> 60</span> <span class="keywordtype">int</span> value = rand() % 100;</div>
<div class="line"><span class="lineno"> 61</span> </div>
<div class="line"><span class="lineno"> 62</span> <span class="comment">// assert(strcmp(itoa(value, str1, 2), int_to_string(value, str2, 2)) ==</span></div>
<div class="line"><span class="lineno"> 63</span> <span class="comment">// 0);</span></div>
<div class="line"><span class="lineno"> 64</span> snprintf(str1, MAX_SIZE, <span class="stringliteral">&quot;%o&quot;</span>, value); <span class="comment">//* standard C - to octal */</span></div>
<div class="line"><span class="lineno"> 65</span> assert(strcmp(str1, <a class="code hl_function" href="../../dd/d53/int__to__string_8c.html#aeb4be1a1db1c5fea06e9d8b87e6c3973">int_to_string</a>(value, str2, 8)) == 0);</div>
<div class="line"><span class="lineno"> 66</span> snprintf(str1, MAX_SIZE, <span class="stringliteral">&quot;%d&quot;</span>, value); <span class="comment">/* standard C - to decimal */</span></div>
<div class="line"><span class="lineno"> 67</span> assert(strcmp(str1, <a class="code hl_function" href="../../dd/d53/int__to__string_8c.html#aeb4be1a1db1c5fea06e9d8b87e6c3973">int_to_string</a>(value, str2, 10)) == 0);</div>
<div class="line"><span class="lineno"> 68</span> snprintf(str1, MAX_SIZE, <span class="stringliteral">&quot;%x&quot;</span>, value); <span class="comment">/* standard C - to hexadecimal */</span></div>
<div class="line"><span class="lineno"> 69</span> assert(strcmp(str1, <a class="code hl_function" href="../../dd/d53/int__to__string_8c.html#aeb4be1a1db1c5fea06e9d8b87e6c3973">int_to_string</a>(value, str2, 16)) == 0);</div>
<div class="line"><span class="lineno"> 70</span> }</div>
<div class="line"><span class="lineno"> 71</span> </div>
<div class="line"><span class="lineno"> 72</span> <a class="code hl_define" href="../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768">free</a>(str1);</div>
<div class="line"><span class="lineno"> 73</span> <a class="code hl_define" href="../../d2/ddd/malloc__dbg_8h.html#a9cc854374299a1dd933bf62029761768">free</a>(str2);</div>
<div class="line"><span class="lineno"> 74</span>}</div>
<div class="ttc" id="aint__to__string_8c_html_aeb4be1a1db1c5fea06e9d8b87e6c3973"><div class="ttname"><a href="../../dd/d53/int__to__string_8c.html#aeb4be1a1db1c5fea06e9d8b87e6c3973">int_to_string</a></div><div class="ttdeci">char * int_to_string(uint16_t value, char *dest, int base)</div><div class="ttdoc">Converts an integer value to a null-terminated string using the specified base and stores the result ...</div><div class="ttdef"><b>Definition:</b> int_to_string.c:25</div></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="amalloc__dbg_8h_html_afdddaa949a93c1ef559a638e98f9c21b"><div class="ttname"><a href="../../d2/ddd/malloc__dbg_8h.html#afdddaa949a93c1ef559a638e98f9c21b">calloc</a></div><div class="ttdeci">#define calloc(elemCount, elemSize)</div><div class="ttdoc">This macro replace the standard calloc function with calloc_dbg.</div><div class="ttdef"><b>Definition:</b> malloc_dbg.h:22</div></div>
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