| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=11"/> |
| <meta name="generator" content="Doxygen 1.12.0"/> |
| <meta name="viewport" content="width=device-width, initial-scale=1"/> |
| <title>lwIP: Compiler/platform abstraction</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <script type="text/javascript" src="clipboard.js"></script> |
| <link href="navtree.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="navtreedata.js"></script> |
| <script type="text/javascript" src="navtree.js"></script> |
| <script type="text/javascript" src="resize.js"></script> |
| <script type="text/javascript" src="cookie.js"></script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/searchdata.js"></script> |
| <script type="text/javascript" src="search/search.js"></script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr id="projectrow"> |
| <td id="projectalign"> |
| <div id="projectname">lwIP<span id="projectnumber"> 2.1.3</span> |
| </div> |
| <div id="projectbrief">Lightweight IP stack</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.12.0 --> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */ |
| var searchBox = new SearchBox("searchBox", "search/",'.html'); |
| /* @license-end */ |
| </script> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */ |
| $(function() { codefold.init(0); }); |
| /* @license-end */ |
| </script> |
| <script type="text/javascript" src="menudata.js"></script> |
| <script type="text/javascript" src="menu.js"></script> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */ |
| $(function() { |
| initMenu('',true,false,'search.php','Search',true); |
| $(function() { init_search(); }); |
| }); |
| /* @license-end */ |
| </script> |
| <div id="main-nav"></div> |
| </div><!-- top --> |
| <div id="side-nav" class="ui-resizable side-nav-resizable"> |
| <div id="nav-tree"> |
| <div id="nav-tree-contents"> |
| <div id="nav-sync" class="sync"></div> |
| </div> |
| </div> |
| <div id="splitbar" style="-moz-user-select:none;" |
| class="ui-resizable-handle"> |
| </div> |
| </div> |
| <script type="text/javascript"> |
| /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */ |
| $(function(){initNavTree('group__compiler__abstraction.html',''); initResizable(true); }); |
| /* @license-end */ |
| </script> |
| <div id="doc-content"> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| </div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <div id="MSearchResults"> |
| <div class="SRPage"> |
| <div id="SRIndex"> |
| <div id="SRResults"></div> |
| <div class="SRStatus" id="Loading">Loading...</div> |
| <div class="SRStatus" id="Searching">Searching...</div> |
| <div class="SRStatus" id="NoMatches">No Matches</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <div class="header"> |
| <div class="summary"> |
| <a href="#define-members">Macros</a> </div> |
| <div class="headertitle"><div class="title">Compiler/platform abstraction<div class="ingroups"><a class="el" href="group__lwip.html">lwIP</a> » <a class="el" href="group__sys__layer.html">Porting (system abstraction layer)</a></div></div></div> |
| </div><!--header--> |
| <div class="contents"> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:ga1771b7fb65ee640524d0052f229768c3" id="r_ga1771b7fb65ee640524d0052f229768c3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga1771b7fb65ee640524d0052f229768c3">BYTE_ORDER</a>   LITTLE_ENDIAN</td></tr> |
| <tr class="separator:ga1771b7fb65ee640524d0052f229768c3"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga77370c377781ee7489e30eaf772ea05a" id="r_ga77370c377781ee7489e30eaf772ea05a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga77370c377781ee7489e30eaf772ea05a">LWIP_RAND</a>()</td></tr> |
| <tr class="separator:ga77370c377781ee7489e30eaf772ea05a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaccef167be13a500ce30036030a9b142b" id="r_gaccef167be13a500ce30036030a9b142b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaccef167be13a500ce30036030a9b142b">LWIP_PLATFORM_DIAG</a>(x)</td></tr> |
| <tr class="separator:gaccef167be13a500ce30036030a9b142b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga7e8bcd0282525704d6dd596bdd1b47d0" id="r_ga7e8bcd0282525704d6dd596bdd1b47d0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga7e8bcd0282525704d6dd596bdd1b47d0">LWIP_PLATFORM_ASSERT</a>(x)</td></tr> |
| <tr class="separator:ga7e8bcd0282525704d6dd596bdd1b47d0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga53954d507c09e521ec0d44a2450bb89d" id="r_ga53954d507c09e521ec0d44a2450bb89d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga53954d507c09e521ec0d44a2450bb89d">LWIP_NO_STDDEF_H</a>   0</td></tr> |
| <tr class="separator:ga53954d507c09e521ec0d44a2450bb89d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga122c754db96ecad23bc6f4541d6360c1" id="r_ga122c754db96ecad23bc6f4541d6360c1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga122c754db96ecad23bc6f4541d6360c1">LWIP_NO_STDINT_H</a>   0</td></tr> |
| <tr class="separator:ga122c754db96ecad23bc6f4541d6360c1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga5bf52d6f2729d0c8afd365f69d7d4373" id="r_ga5bf52d6f2729d0c8afd365f69d7d4373"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga5bf52d6f2729d0c8afd365f69d7d4373">LWIP_NO_INTTYPES_H</a>   0</td></tr> |
| <tr class="separator:ga5bf52d6f2729d0c8afd365f69d7d4373"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gade9c8513419a799cd78a07ae894bb805" id="r_gade9c8513419a799cd78a07ae894bb805"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gade9c8513419a799cd78a07ae894bb805">LWIP_NO_LIMITS_H</a>   0</td></tr> |
| <tr class="separator:gade9c8513419a799cd78a07ae894bb805"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga6871ce1e92ae09cdad39a9b230a3a800" id="r_ga6871ce1e92ae09cdad39a9b230a3a800"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga6871ce1e92ae09cdad39a9b230a3a800">LWIP_NO_CTYPE_H</a>   0</td></tr> |
| <tr class="separator:ga6871ce1e92ae09cdad39a9b230a3a800"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaa0dd3f76dd9a837feaac61fedc0dbe72" id="r_gaa0dd3f76dd9a837feaac61fedc0dbe72"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a>(target_type, val)</td></tr> |
| <tr class="separator:gaa0dd3f76dd9a837feaac61fedc0dbe72"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaade87973d72135b0b3afccfff4f62eb8" id="r_gaade87973d72135b0b3afccfff4f62eb8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaade87973d72135b0b3afccfff4f62eb8">LWIP_ALIGNMENT_CAST</a>(target_type, val)</td></tr> |
| <tr class="separator:gaade87973d72135b0b3afccfff4f62eb8"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga683e5c35d3263fe3145e6a6bc546604a" id="r_ga683e5c35d3263fe3145e6a6bc546604a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga683e5c35d3263fe3145e6a6bc546604a">LWIP_PTR_NUMERIC_CAST</a>(target_type, val)</td></tr> |
| <tr class="separator:ga683e5c35d3263fe3145e6a6bc546604a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga4488578f18ad1a76e4fa8bc288c51446" id="r_ga4488578f18ad1a76e4fa8bc288c51446"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga4488578f18ad1a76e4fa8bc288c51446">LWIP_PACKED_CAST</a>(target_type, val)</td></tr> |
| <tr class="separator:ga4488578f18ad1a76e4fa8bc288c51446"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga651bb349041669fe717b19f127ef16c0" id="r_ga651bb349041669fe717b19f127ef16c0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga651bb349041669fe717b19f127ef16c0">LWIP_DECLARE_MEMORY_ALIGNED</a>(variable_name, size)</td></tr> |
| <tr class="separator:ga651bb349041669fe717b19f127ef16c0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaef204be511fd32f681b55abc08e9ae18" id="r_gaef204be511fd32f681b55abc08e9ae18"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaef204be511fd32f681b55abc08e9ae18">LWIP_MEM_ALIGN_SIZE</a>(size)</td></tr> |
| <tr class="separator:gaef204be511fd32f681b55abc08e9ae18"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga25591dcb72fccc7b5dc46fbc1959694e" id="r_ga25591dcb72fccc7b5dc46fbc1959694e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga25591dcb72fccc7b5dc46fbc1959694e">LWIP_MEM_ALIGN_BUFFER</a>(size)</td></tr> |
| <tr class="separator:ga25591dcb72fccc7b5dc46fbc1959694e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaa8e8724eb1c220cbbb90de9e175ce1dc" id="r_gaa8e8724eb1c220cbbb90de9e175ce1dc"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa8e8724eb1c220cbbb90de9e175ce1dc">LWIP_MEM_ALIGN</a>(addr)</td></tr> |
| <tr class="separator:gaa8e8724eb1c220cbbb90de9e175ce1dc"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga73199061891adf1b912d20835c7d5e96" id="r_ga73199061891adf1b912d20835c7d5e96"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></td></tr> |
| <tr class="separator:ga73199061891adf1b912d20835c7d5e96"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga465fef70f294e21cbf4ea51fc342f20e" id="r_ga465fef70f294e21cbf4ea51fc342f20e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></td></tr> |
| <tr class="separator:ga465fef70f294e21cbf4ea51fc342f20e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga33623da05bb55497534c3dc26ebebeb2" id="r_ga33623da05bb55497534c3dc26ebebeb2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga33623da05bb55497534c3dc26ebebeb2">PACK_STRUCT_STRUCT</a></td></tr> |
| <tr class="separator:ga33623da05bb55497534c3dc26ebebeb2"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaab0b988124e37a978d9a88e7c1c778e0" id="r_gaab0b988124e37a978d9a88e7c1c778e0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(x)</td></tr> |
| <tr class="separator:gaab0b988124e37a978d9a88e7c1c778e0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaa8f75e4117374c2d09fbda5566e40b62" id="r_gaa8f75e4117374c2d09fbda5566e40b62"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa8f75e4117374c2d09fbda5566e40b62">PACK_STRUCT_FLD_8</a>(x)</td></tr> |
| <tr class="separator:gaa8f75e4117374c2d09fbda5566e40b62"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gacc89e224363eb0ebca24b64d925c3cb7" id="r_gacc89e224363eb0ebca24b64d925c3cb7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#gacc89e224363eb0ebca24b64d925c3cb7">PACK_STRUCT_FLD_S</a>(x)</td></tr> |
| <tr class="separator:gacc89e224363eb0ebca24b64d925c3cb7"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga57b90d36d8bea3798a5d1815945fd8ef" id="r_ga57b90d36d8bea3798a5d1815945fd8ef"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga57b90d36d8bea3798a5d1815945fd8ef">PACK_STRUCT_USE_INCLUDES</a></td></tr> |
| <tr class="separator:ga57b90d36d8bea3798a5d1815945fd8ef"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga70624a5deb8b9199406372a7f3603ecf" id="r_ga70624a5deb8b9199406372a7f3603ecf"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(x)</td></tr> |
| <tr class="separator:ga70624a5deb8b9199406372a7f3603ecf"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga8e2cba4c97dd38f4d517ed21cf109ade" id="r_ga8e2cba4c97dd38f4d517ed21cf109ade"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga8e2cba4c97dd38f4d517ed21cf109ade">LWIP_PROVIDE_ERRNO</a></td></tr> |
| <tr class="separator:ga8e2cba4c97dd38f4d517ed21cf109ade"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <p>All defines related to this section must not be placed in lwipopts.h, but in arch/cc.h! If the compiler does not provide memset() this file must include a definition of it, or include a file which defines it. These options cannot be #defined in lwipopts.h since they are not options of lwIP itself, but options of the lwIP port to your system. </p> |
| <h2 class="groupheader">Macro Definition Documentation</h2> |
| <a id="ga1771b7fb65ee640524d0052f229768c3" name="ga1771b7fb65ee640524d0052f229768c3"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga1771b7fb65ee640524d0052f229768c3">◆ </a></span>BYTE_ORDER</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define BYTE_ORDER   LITTLE_ENDIAN</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Define the byte order of the system. Needed for conversion of network data to host byte order. Allowed values: LITTLE_ENDIAN and BIG_ENDIAN </p> |
| |
| </div> |
| </div> |
| <a id="gaade87973d72135b0b3afccfff4f62eb8" name="gaade87973d72135b0b3afccfff4f62eb8"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaade87973d72135b0b3afccfff4f62eb8">◆ </a></span>LWIP_ALIGNMENT_CAST</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_ALIGNMENT_CAST</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>target_type</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_define" href="#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a>(target_type, val)</div> |
| <div class="ttc" id="agroup__compiler__abstraction_html_gaa0dd3f76dd9a837feaac61fedc0dbe72"><div class="ttname"><a href="#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a></div><div class="ttdeci">#define LWIP_CONST_CAST(target_type, val)</div><div class="ttdef"><b>Definition</b> arch.h:240</div></div> |
| </div><!-- fragment --><p>Get rid of alignment cast warnings (GCC -Wcast-align) </p> |
| |
| </div> |
| </div> |
| <a id="gaa0dd3f76dd9a837feaac61fedc0dbe72" name="gaa0dd3f76dd9a837feaac61fedc0dbe72"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaa0dd3f76dd9a837feaac61fedc0dbe72">◆ </a></span>LWIP_CONST_CAST</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_CONST_CAST</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>target_type</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((target_type)((ptrdiff_t)val))</div> |
| </div><!-- fragment --><p>C++ const_cast<target_type>(val) equivalent to remove constness from a value (GCC -Wcast-qual) </p> |
| |
| </div> |
| </div> |
| <a id="ga651bb349041669fe717b19f127ef16c0" name="ga651bb349041669fe717b19f127ef16c0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga651bb349041669fe717b19f127ef16c0">◆ </a></span>LWIP_DECLARE_MEMORY_ALIGNED</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_DECLARE_MEMORY_ALIGNED</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>variable_name</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>size</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">u8_t variable_name[<a class="code hl_define" href="#ga25591dcb72fccc7b5dc46fbc1959694e">LWIP_MEM_ALIGN_BUFFER</a>(size)]</div> |
| <div class="ttc" id="agroup__compiler__abstraction_html_ga25591dcb72fccc7b5dc46fbc1959694e"><div class="ttname"><a href="#ga25591dcb72fccc7b5dc46fbc1959694e">LWIP_MEM_ALIGN_BUFFER</a></div><div class="ttdeci">#define LWIP_MEM_ALIGN_BUFFER(size)</div><div class="ttdef"><b>Definition</b> arch.h:287</div></div> |
| </div><!-- fragment --><p>Allocates a memory buffer of specified size that is of sufficient size to align its start address using LWIP_MEM_ALIGN. You can declare your own version here e.g. to enforce alignment without adding trailing padding bytes (see LWIP_MEM_ALIGN_BUFFER) or your own section placement requirements.<br /> |
| e.g. if you use gcc and need 32 bit alignment:<br /> |
| #define <a class="el" href="#ga651bb349041669fe717b19f127ef16c0">LWIP_DECLARE_MEMORY_ALIGNED(variable_name, size)</a> u8_t variable_name[size] __attribute__((aligned(4)))<br /> |
| or more portable:<br /> |
| #define <a class="el" href="#ga651bb349041669fe717b19f127ef16c0">LWIP_DECLARE_MEMORY_ALIGNED(variable_name, size)</a> u32_t variable_name[(size + sizeof(u32_t) - 1) / sizeof(u32_t)] </p> |
| |
| </div> |
| </div> |
| <a id="gaa8e8724eb1c220cbbb90de9e175ce1dc" name="gaa8e8724eb1c220cbbb90de9e175ce1dc"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaa8e8724eb1c220cbbb90de9e175ce1dc">◆ </a></span>LWIP_MEM_ALIGN</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_MEM_ALIGN</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>addr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((<span class="keywordtype">void</span> *)(((mem_ptr_t)(addr) + <a class="code hl_define" href="group__lwip__opts__mem.html#ga97343214666ee6dcb18c0bd77b441ea7">MEM_ALIGNMENT</a> - 1) & ~(mem_ptr_t)(<a class="code hl_define" href="group__lwip__opts__mem.html#ga97343214666ee6dcb18c0bd77b441ea7">MEM_ALIGNMENT</a>-1)))</div> |
| <div class="ttc" id="agroup__lwip__opts__mem_html_ga97343214666ee6dcb18c0bd77b441ea7"><div class="ttname"><a href="group__lwip__opts__mem.html#ga97343214666ee6dcb18c0bd77b441ea7">MEM_ALIGNMENT</a></div><div class="ttdeci">#define MEM_ALIGNMENT</div><div class="ttdef"><b>Definition</b> opt.h:289</div></div> |
| </div><!-- fragment --><p>Align a memory pointer to the alignment defined by MEM_ALIGNMENT so that ADDR % MEM_ALIGNMENT == 0 </p> |
| |
| </div> |
| </div> |
| <a id="ga25591dcb72fccc7b5dc46fbc1959694e" name="ga25591dcb72fccc7b5dc46fbc1959694e"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga25591dcb72fccc7b5dc46fbc1959694e">◆ </a></span>LWIP_MEM_ALIGN_BUFFER</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_MEM_ALIGN_BUFFER</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>size</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">(((size) + <a class="code hl_define" href="group__lwip__opts__mem.html#ga97343214666ee6dcb18c0bd77b441ea7">MEM_ALIGNMENT</a> - 1U))</div> |
| </div><!-- fragment --><p>Calculate safe memory size for an aligned buffer when using an unaligned type as storage. This includes a safety-margin on (MEM_ALIGNMENT - 1) at the start (e.g. if buffer is u8_t[] and actual data will be u32_t*) </p> |
| |
| </div> |
| </div> |
| <a id="gaef204be511fd32f681b55abc08e9ae18" name="gaef204be511fd32f681b55abc08e9ae18"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaef204be511fd32f681b55abc08e9ae18">◆ </a></span>LWIP_MEM_ALIGN_SIZE</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_MEM_ALIGN_SIZE</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>size</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">(((size) + <a class="code hl_define" href="group__lwip__opts__mem.html#ga97343214666ee6dcb18c0bd77b441ea7">MEM_ALIGNMENT</a> - 1U) & ~(<a class="code hl_define" href="group__lwip__opts__mem.html#ga97343214666ee6dcb18c0bd77b441ea7">MEM_ALIGNMENT</a>-1U))</div> |
| </div><!-- fragment --><p>Calculate memory size for an aligned buffer - returns the next highest multiple of MEM_ALIGNMENT (e.g. <a class="el" href="#gaef204be511fd32f681b55abc08e9ae18">LWIP_MEM_ALIGN_SIZE(3)</a> and <a class="el" href="#gaef204be511fd32f681b55abc08e9ae18">LWIP_MEM_ALIGN_SIZE(4)</a> will both yield 4 for MEM_ALIGNMENT == 4). </p> |
| |
| </div> |
| </div> |
| <a id="ga6871ce1e92ae09cdad39a9b230a3a800" name="ga6871ce1e92ae09cdad39a9b230a3a800"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga6871ce1e92ae09cdad39a9b230a3a800">◆ </a></span>LWIP_NO_CTYPE_H</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_NO_CTYPE_H   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Define this to 1 in arch/cc.h of your port if your compiler does not provide the ctype.h header. If ctype.h is available, a few character functions are mapped to the appropriate functions (lwip_islower, lwip_isdigit...), if not, a private implementation is provided. </p> |
| |
| </div> |
| </div> |
| <a id="ga5bf52d6f2729d0c8afd365f69d7d4373" name="ga5bf52d6f2729d0c8afd365f69d7d4373"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga5bf52d6f2729d0c8afd365f69d7d4373">◆ </a></span>LWIP_NO_INTTYPES_H</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_NO_INTTYPES_H   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Define this to 1 in arch/cc.h of your port if your compiler does not provide the inttypes.h header. You need to define the format strings listed in <a class="el" href="arch_8h.html">lwip/arch.h</a> yourself in this case (X8_F, U16_F...). </p> |
| |
| </div> |
| </div> |
| <a id="gade9c8513419a799cd78a07ae894bb805" name="gade9c8513419a799cd78a07ae894bb805"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gade9c8513419a799cd78a07ae894bb805">◆ </a></span>LWIP_NO_LIMITS_H</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_NO_LIMITS_H   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Define this to 1 in arch/cc.h of your port if your compiler does not provide the limits.h header. You need to define the type limits yourself in this case (e.g. INT_MAX, SSIZE_MAX). </p> |
| |
| </div> |
| </div> |
| <a id="ga53954d507c09e521ec0d44a2450bb89d" name="ga53954d507c09e521ec0d44a2450bb89d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga53954d507c09e521ec0d44a2450bb89d">◆ </a></span>LWIP_NO_STDDEF_H</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_NO_STDDEF_H   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Define this to 1 in arch/cc.h of your port if you do not want to include stddef.h header to get size_t. You need to typedef size_t by yourself in this case. </p> |
| |
| </div> |
| </div> |
| <a id="ga122c754db96ecad23bc6f4541d6360c1" name="ga122c754db96ecad23bc6f4541d6360c1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga122c754db96ecad23bc6f4541d6360c1">◆ </a></span>LWIP_NO_STDINT_H</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_NO_STDINT_H   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Define this to 1 in arch/cc.h of your port if your compiler does not provide the stdint.h header. You need to typedef the generic types listed in <a class="el" href="arch_8h.html">lwip/arch.h</a> yourself in this case (u8_t, u16_t...). </p> |
| |
| </div> |
| </div> |
| <a id="ga4488578f18ad1a76e4fa8bc288c51446" name="ga4488578f18ad1a76e4fa8bc288c51446"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga4488578f18ad1a76e4fa8bc288c51446">◆ </a></span>LWIP_PACKED_CAST</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_PACKED_CAST</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>target_type</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_define" href="#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a>(target_type, val)</div> |
| </div><!-- fragment --><p>Avoid warnings/errors related to implicitly casting away packed attributes by doing a explicit cast </p> |
| |
| </div> |
| </div> |
| <a id="ga7e8bcd0282525704d6dd596bdd1b47d0" name="ga7e8bcd0282525704d6dd596bdd1b47d0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga7e8bcd0282525704d6dd596bdd1b47d0">◆ </a></span>LWIP_PLATFORM_ASSERT</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_PLATFORM_ASSERT</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>x</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"> <span class="keywordflow">do</span> {printf(<span class="stringliteral">"Assertion \"%s\" failed at line %d in %s\n"</span>, \</div> |
| <div class="line"> x, __LINE__, __FILE__); fflush(NULL); abort();} <span class="keywordflow">while</span>(0)</div> |
| </div><!-- fragment --><p>Platform specific assertion handling.<br /> |
| Note the default implementation pulls in printf, fflush and abort, which may in turn pull in a lot of standard libary code. In resource-constrained systems, this should be defined to something less resource-consuming. </p> |
| |
| </div> |
| </div> |
| <a id="gaccef167be13a500ce30036030a9b142b" name="gaccef167be13a500ce30036030a9b142b"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaccef167be13a500ce30036030a9b142b">◆ </a></span>LWIP_PLATFORM_DIAG</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_PLATFORM_DIAG</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>x</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> {printf x;} <span class="keywordflow">while</span>(0)</div> |
| </div><!-- fragment --><p>Platform specific diagnostic output.<br /> |
| Note the default implementation pulls in printf, which may in turn pull in a lot of standard libary code. In resource-constrained systems, this should be defined to something less resource-consuming. </p> |
| |
| </div> |
| </div> |
| <a id="ga8e2cba4c97dd38f4d517ed21cf109ade" name="ga8e2cba4c97dd38f4d517ed21cf109ade"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga8e2cba4c97dd38f4d517ed21cf109ade">◆ </a></span>LWIP_PROVIDE_ERRNO</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_PROVIDE_ERRNO</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>LWIP_PROVIDE_ERRNO==1: Let lwIP provide ERRNO values and the 'errno' variable. If this is disabled, cc.h must either define 'errno', include <errno.h>, define LWIP_ERRNO_STDINCLUDE to get <errno.h> included or define LWIP_ERRNO_INCLUDE to <errno.h> or equivalent. </p> |
| |
| </div> |
| </div> |
| <a id="ga683e5c35d3263fe3145e6a6bc546604a" name="ga683e5c35d3263fe3145e6a6bc546604a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga683e5c35d3263fe3145e6a6bc546604a">◆ </a></span>LWIP_PTR_NUMERIC_CAST</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_PTR_NUMERIC_CAST</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>target_type</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_define" href="#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a>(target_type, val)</div> |
| </div><!-- fragment --><p>Get rid of warnings related to pointer-to-numeric and vice-versa casts, e.g. "conversion from 'u8_t' to 'void *' of greater size" </p> |
| |
| </div> |
| </div> |
| <a id="ga77370c377781ee7489e30eaf772ea05a" name="ga77370c377781ee7489e30eaf772ea05a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga77370c377781ee7489e30eaf772ea05a">◆ </a></span>LWIP_RAND</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_RAND</td> |
| <td>(</td> |
| <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((u32_t)rand())</div> |
| </div><!-- fragment --><p>Define random number generator function of your system </p> |
| |
| </div> |
| </div> |
| <a id="ga70624a5deb8b9199406372a7f3603ecf" name="ga70624a5deb8b9199406372a7f3603ecf"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga70624a5deb8b9199406372a7f3603ecf">◆ </a></span>LWIP_UNUSED_ARG</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LWIP_UNUSED_ARG</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>x</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">(void)x</div> |
| </div><!-- fragment --><p>Eliminates compiler warning about unused arguments (GCC -Wextra -Wunused). </p> |
| |
| </div> |
| </div> |
| <a id="ga73199061891adf1b912d20835c7d5e96" name="ga73199061891adf1b912d20835c7d5e96"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga73199061891adf1b912d20835c7d5e96">◆ </a></span>PACK_STRUCT_BEGIN</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_BEGIN</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Packed structs support. Placed BEFORE declaration of a packed struct.<br /> |
| For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| <a id="ga465fef70f294e21cbf4ea51fc342f20e" name="ga465fef70f294e21cbf4ea51fc342f20e"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga465fef70f294e21cbf4ea51fc342f20e">◆ </a></span>PACK_STRUCT_END</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_END</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Packed structs support. Placed AFTER declaration of a packed struct.<br /> |
| For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| <a id="gaab0b988124e37a978d9a88e7c1c778e0" name="gaab0b988124e37a978d9a88e7c1c778e0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaab0b988124e37a978d9a88e7c1c778e0">◆ </a></span>PACK_STRUCT_FIELD</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_FIELD</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>x</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">x</div> |
| </div><!-- fragment --><p>Packed structs support. Wraps u32_t and u16_t members.<br /> |
| For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| <a id="gaa8f75e4117374c2d09fbda5566e40b62" name="gaa8f75e4117374c2d09fbda5566e40b62"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gaa8f75e4117374c2d09fbda5566e40b62">◆ </a></span>PACK_STRUCT_FLD_8</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_FLD_8</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>x</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_define" href="#gaab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(x)</div> |
| <div class="ttc" id="agroup__compiler__abstraction_html_gaab0b988124e37a978d9a88e7c1c778e0"><div class="ttname"><a href="#gaab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a></div><div class="ttdeci">#define PACK_STRUCT_FIELD(x)</div><div class="ttdef"><b>Definition</b> arch.h:338</div></div> |
| </div><!-- fragment --><p>Packed structs support. Wraps u8_t members, where some compilers warn that packing is not necessary.<br /> |
| For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| <a id="gacc89e224363eb0ebca24b64d925c3cb7" name="gacc89e224363eb0ebca24b64d925c3cb7"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#gacc89e224363eb0ebca24b64d925c3cb7">◆ </a></span>PACK_STRUCT_FLD_S</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_FLD_S</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>x</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_define" href="#gaab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(x)</div> |
| </div><!-- fragment --><p>Packed structs support. Wraps members that are packed structs themselves, where some compilers warn that packing is not necessary.<br /> |
| For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| <a id="ga33623da05bb55497534c3dc26ebebeb2" name="ga33623da05bb55497534c3dc26ebebeb2"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga33623da05bb55497534c3dc26ebebeb2">◆ </a></span>PACK_STRUCT_STRUCT</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_STRUCT</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Packed structs support. Placed between end of declaration of a packed struct and trailing semicolon.<br /> |
| For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| <a id="ga57b90d36d8bea3798a5d1815945fd8ef" name="ga57b90d36d8bea3798a5d1815945fd8ef"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ga57b90d36d8bea3798a5d1815945fd8ef">◆ </a></span>PACK_STRUCT_USE_INCLUDES</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define PACK_STRUCT_USE_INCLUDES</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>PACK_STRUCT_USE_INCLUDES==1: Packed structs support using #include files before and after struct to be packed.<br /> |
| The file included BEFORE the struct is "arch/bpstruct.h".<br /> |
| The file included AFTER the struct is "arch/epstruct.h".<br /> |
| This can be used to implement struct packing on MS Visual C compilers, see the Win32 port in the lwIP contrib repository for reference. For examples of packed struct declarations, see include/lwip/prot/ subfolder.<br /> |
| A port to GCC/clang is included in lwIP, if you use these compilers there is nothing to do here. </p> |
| |
| </div> |
| </div> |
| </div><!-- contents --> |
| </div><!-- doc-content --> |
| <!-- start footer part --> |
| <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> |
| <ul> |
| <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.12.0 </li> |
| </ul> |
| </div> |
| </body> |
| </html> |