1 <!-- HTML header for doxygen 1.8.10--> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 6 <meta http-equiv="X-UA-Compatible" content="IE=9"/> 7 <meta name="generator" content="Doxygen 1.8.14"/> 8 <title>Intel® Enhanced Privacy ID SDK: epid/member/tiny/stdlib/tiny_stdlib.h File Reference</title> 9 <link href="tabs.css" rel="stylesheet" type="text/css"/> 10 <script type="text/javascript" src="jquery.js"></script> 11 <script type="text/javascript" src="dynsections.js"></script> 12 <link href="navtree.css" rel="stylesheet" type="text/css"/> 13 <script type="text/javascript" src="resize.js"></script> 14 <script type="text/javascript" src="navtreedata.js"></script> 15 <script type="text/javascript" src="navtree.js"></script> 16 <script type="text/javascript"> 17 /* @license 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id="nav-tree-contents"> 48 <div id="nav-sync" class="sync"></div> 49 </div> 50 </div> 51 <div id="splitbar" style="-moz-user-select:none;" 52 class="ui-resizable-handle"> 53 </div> 54 </div> 55 <script type="text/javascript"> 56 /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 57 $(document).ready(function(){initNavTree('tiny__stdlib_8h.html','');}); 58 /* @license-end */ 59 </script> 60 <div id="doc-content"> 61 <div class="header"> 62 <div class="summary"> 63 <a href="#func-members">Functions</a> </div> 64 <div class="headertitle"> 65 <div class="title">tiny_stdlib.h File Reference</div> </div> 66 </div><!--header--> 67 <div class="contents"> 68 69 <p>Tiny portable implementations of standard library functions. 70 <a href="#details">More...</a></p> 71 <div class="textblock"><code>#include <stddef.h></code><br /> 72 </div><table class="memberdecls"> 73 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> 74 Functions</h2></td></tr> 75 <tr class="memitem:a4cb469bec7b722064b97a406346acb61"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="tiny__stdlib_8h.html#a4cb469bec7b722064b97a406346acb61">memset</a> (void *ptr, int value, size_t num)</td></tr> 76 <tr class="memdesc:a4cb469bec7b722064b97a406346acb61"><td class="mdescLeft"> </td><td class="mdescRight">Fill block of memory. <a href="#a4cb469bec7b722064b97a406346acb61">More...</a><br /></td></tr> 77 <tr class="separator:a4cb469bec7b722064b97a406346acb61"><td class="memSeparator" colspan="2"> </td></tr> 78 <tr class="memitem:a1e7d61eb280250fb55dce370ba1a1709"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="tiny__stdlib_8h.html#a1e7d61eb280250fb55dce370ba1a1709">memcmp</a> (const void *ptr1, const void *ptr2, size_t num)</td></tr> 79 <tr class="memdesc:a1e7d61eb280250fb55dce370ba1a1709"><td class="mdescLeft"> </td><td class="mdescRight">Compare two blocks of memory. <a href="#a1e7d61eb280250fb55dce370ba1a1709">More...</a><br /></td></tr> 80 <tr class="separator:a1e7d61eb280250fb55dce370ba1a1709"><td class="memSeparator" colspan="2"> </td></tr> 81 </table> 82 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> 83 <div class="textblock"><p>Tiny portable implementations of standard library functions. </p> 84 </div><h2 class="groupheader">Function Documentation</h2> 85 <a id="a1e7d61eb280250fb55dce370ba1a1709"></a> 86 <h2 class="memtitle"><span class="permalink"><a href="#a1e7d61eb280250fb55dce370ba1a1709">◆ </a></span>memcmp()</h2> 87 88 <div class="memitem"> 89 <div class="memproto"> 90 <table class="memname"> 91 <tr> 92 <td class="memname">int memcmp </td> 93 <td>(</td> 94 <td class="paramtype">const void * </td> 95 <td class="paramname"><em>ptr1</em>, </td> 96 </tr> 97 <tr> 98 <td class="paramkey"></td> 99 <td></td> 100 <td class="paramtype">const void * </td> 101 <td class="paramname"><em>ptr2</em>, </td> 102 </tr> 103 <tr> 104 <td class="paramkey"></td> 105 <td></td> 106 <td class="paramtype">size_t </td> 107 <td class="paramname"><em>num</em> </td> 108 </tr> 109 <tr> 110 <td></td> 111 <td>)</td> 112 <td></td><td></td> 113 </tr> 114 </table> 115 </div><div class="memdoc"> 116 117 <p>Compare two blocks of memory. </p> 118 <p>Compares the first num bytes of the block of memory pointed by ptr1 to the first num bytes pointed by ptr2, returning zero if they all match or a value different from zero representing which is greater if they do not.</p> 119 <p>Notice that, unlike strcmp, the function does not stop comparing after finding a null character.</p> 120 <dl class="params"><dt>Parameters</dt><dd> 121 <table class="params"> 122 <tr><td class="paramname">ptr1</td><td>Pointer to block of memory. </td></tr> 123 <tr><td class="paramname">ptr2</td><td>Pointer to block of memory. </td></tr> 124 <tr><td class="paramname">num</td><td>Number of bytes to compare. </td></tr> 125 </table> 126 </dd> 127 </dl> 128 <dl class="section return"><dt>Returns</dt><dd>an integral value indicating the relationship between the content of the memory blocks: </dd></dl> 129 <dl class="retval"><dt>Return values</dt><dd> 130 <table class="retval"> 131 <tr><td class="paramname"><0</td><td>the first byte that does not match in both memory blocks has a lower value in ptr1 than in ptr2 (if evaluated as unsigned char values) </td></tr> 132 <tr><td class="paramname">0</td><td>the contents of both memory blocks are equal </td></tr> 133 <tr><td class="paramname">>0</td><td>the first byte that does not match in both memory blocks has a greater value in ptr1 than in ptr2 (if evaluated as unsigned char values) </td></tr> 134 </table> 135 </dd> 136 </dl> 137 138 </div> 139 </div> 140 <a id="a4cb469bec7b722064b97a406346acb61"></a> 141 <h2 class="memtitle"><span class="permalink"><a href="#a4cb469bec7b722064b97a406346acb61">◆ </a></span>memset()</h2> 142 143 <div class="memitem"> 144 <div class="memproto"> 145 <table class="memname"> 146 <tr> 147 <td class="memname">void* memset </td> 148 <td>(</td> 149 <td class="paramtype">void * </td> 150 <td class="paramname"><em>ptr</em>, </td> 151 </tr> 152 <tr> 153 <td class="paramkey"></td> 154 <td></td> 155 <td class="paramtype">int </td> 156 <td class="paramname"><em>value</em>, </td> 157 </tr> 158 <tr> 159 <td class="paramkey"></td> 160 <td></td> 161 <td class="paramtype">size_t </td> 162 <td class="paramname"><em>num</em> </td> 163 </tr> 164 <tr> 165 <td></td> 166 <td>)</td> 167 <td></td><td></td> 168 </tr> 169 </table> 170 </div><div class="memdoc"> 171 172 <p>Fill block of memory. </p> 173 <p>Sets the first num bytes of the block of memory pointed by ptr to the specified value (interpreted as an unsigned char)</p> 174 <dl class="params"><dt>Parameters</dt><dd> 175 <table class="params"> 176 <tr><td class="paramname">ptr</td><td>Pointer to the block of memory to fill. </td></tr> 177 <tr><td class="paramname">value</td><td>Value to be set. The value is passed as an int, but the function fills the block of memory using the unsigned char conversion of this value. </td></tr> 178 <tr><td class="paramname">num</td><td>Number of bytes to be set to the value. size_t is an unsigned integral type. </td></tr> 179 </table> 180 </dd> 181 </dl> 182 <dl class="section return"><dt>Returns</dt><dd>ptr is returned. </dd></dl> 183 184 </div> 185 </div> 186 </div><!-- contents --> 187 </div><!-- doc-content --> 188 <!-- HTML footer for doxygen 1.8.10--> 189 <!-- start footer part --> 190 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> 191 <ul> 192 <li class="navelem"><a class="el" href="dir_12b90d9c027aaf878a834df729679a56.html">epid</a></li><li class="navelem"><a class="el" href="dir_512d3e62841a8535b716ec4cf8b9e950.html">member</a></li><li class="navelem"><a class="el" href="dir_ea12d375fc1eb79df248c0adf953af4f.html">tiny</a></li><li class="navelem"><a class="el" href="dir_a6a596e2b2b50fb0973c7fe0b17a09e5.html">stdlib</a></li><li class="navelem"><a class="el" href="tiny__stdlib_8h.html">tiny_stdlib.h</a></li> 193 <li class="footer"> 194 © 2016-2017 Intel Corporation 195 </li> 196 </ul> 197 </div> 198 </body> 199 </html> 200
