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<div class="title">memp.c File Reference</div> </div>
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<div class="contents">
<div class="textblock"><code>#include "<a class="el" href="../../dc/dba/opt_8h_source.html">net/opt.h</a>"</code><br />
<code>#include "<a class="el" href="../../df/dff/memp_8h_source.html">net/memp.h</a>"</code><br />
<code>#include "<a class="el" href="../../d9/d87/sys_8h_source.html">net/sys.h</a>"</code><br />
<code>#include "<a class="el" href="../../d9/d9b/stats_8h_source.html">net/stats.h</a>"</code><br />
<code>#include <<a class="el" href="../../da/d66/string_8h_source.html">string.h</a>></code><br />
<code>#include "<a class="el" href="../../d0/d35/pbuf_8h_source.html">net/pbuf.h</a>"</code><br />
<code>#include "<a class="el" href="../../d6/df4/raw_8h_source.html">net/raw.h</a>"</code><br />
<code>#include "<a class="el" href="../../d2/da7/udp_8h_source.html">net/udp.h</a>"</code><br />
<code>#include "<a class="el" href="../../d8/da5/tcp_8h_source.html">net/tcp.h</a>"</code><br />
<code>#include "<a class="el" href="../../da/d54/tcp__priv_8h_source.html">net/priv/tcp_priv.h</a>"</code><br />
<code>#include "<a class="el" href="../../da/dc6/ip4__frag_8h_source.html">net/ip4_frag.h</a>"</code><br />
<code>#include "<a class="el" href="../../de/d3f/netbuf_8h_source.html">net/netbuf.h</a>"</code><br />
<code>#include "<a class="el" href="../../dc/d65/api_8h_source.html">net/api.h</a>"</code><br />
<code>#include "<a class="el" href="../../d6/d89/tcpip__priv_8h_source.html">net/priv/tcpip_priv.h</a>"</code><br />
<code>#include "<a class="el" href="../../d0/dc4/api__msg_8h_source.html">net/priv/api_msg.h</a>"</code><br />
<code>#include "<a class="el" href="../../d4/dd3/sockets_8h_source.html">net/sockets.h</a>"</code><br />
<code>#include "<a class="el" href="../../dd/de6/netifapi_8h_source.html">net/netifapi.h</a>"</code><br />
<code>#include "<a class="el" href="../../df/dbc/etharp_8h_source.html">net/etharp.h</a>"</code><br />
<code>#include "<a class="el" href="../../d9/d9c/igmp_8h_source.html">net/igmp.h</a>"</code><br />
<code>#include "<a class="el" href="../../d2/df2/timeouts_8h_source.html">net/timeouts.h</a>"</code><br />
<code>#include "<a class="el" href="../../db/dd1/ppp__opts_8h_source.html">netif/ppp/ppp_opts.h</a>"</code><br />
<code>#include "<a class="el" href="../../d4/d63/netdb_8h_source.html">net/netdb.h</a>"</code><br />
<code>#include "<a class="el" href="../../d5/d2e/dns_8h_source.html">net/dns.h</a>"</code><br />
<code>#include "<a class="el" href="../../dd/d73/nd6__priv_8h_source.html">net/priv/nd6_priv.h</a>"</code><br />
<code>#include "<a class="el" href="../../d9/d74/ip6__frag_8h_source.html">net/ip6_frag.h</a>"</code><br />
<code>#include "<a class="el" href="../../d0/d61/mld6_8h_source.html">net/mld6.h</a>"</code><br />
<code>#include "<a class="el" href="../../d6/d7f/memp__std_8h_source.html">net/priv/memp_std.h</a>"</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for memp.c:</div>
<div class="dyncontent">
<div class="center"><img src="../../de/dfd/memp_8c__incl.png" border="0" usemap="#net_2core_2memp_8c" alt=""/></div>
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</div>
</div>
<p><a href="../../d1/d70/memp_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a5f75b6e9cf0c6df9e70b08b8e05a1835"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a5f75b6e9cf0c6df9e70b08b8e05a1835">LWIP_MEMPOOL</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, num, size, desc)   <a class="el" href="../../dd/de2/group__mempool.html#ga5b1fb3ce7942432d87cc948b1c5ed6cb">LWIP_MEMPOOL_DECLARE</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>,num,size,desc)</td></tr>
<tr class="separator:a5f75b6e9cf0c6df9e70b08b8e05a1835"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f75b6e9cf0c6df9e70b08b8e05a1835"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a5f75b6e9cf0c6df9e70b08b8e05a1835">LWIP_MEMPOOL</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, num, size, desc)   &memp_ ## <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>,</td></tr>
<tr class="separator:a5f75b6e9cf0c6df9e70b08b8e05a1835"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:aecd94926b7c2a0e23ae195f4ae97581f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a> (<a class="el" href="../../df/dff/memp_8h.html#a85a164b1f7764951cc685ea525114e57">memp_t</a> type, void *<a class="el" href="../../d0/d0f/structmem.html">mem</a>)</td></tr>
<tr class="separator:aecd94926b7c2a0e23ae195f4ae97581f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a62f8c3c907743e34eee3cdac7fa1eaa5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a62f8c3c907743e34eee3cdac7fa1eaa5">memp_free_pool</a> (<a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> *desc, void *<a class="el" href="../../d0/d0f/structmem.html">mem</a>)</td></tr>
<tr class="separator:a62f8c3c907743e34eee3cdac7fa1eaa5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9693e5b1ac2c6b9c0e7870522d45efa2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a9693e5b1ac2c6b9c0e7870522d45efa2">memp_init</a> (void)</td></tr>
<tr class="separator:a9693e5b1ac2c6b9c0e7870522d45efa2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6416303426d05526bed33f241fa6ecd7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a6416303426d05526bed33f241fa6ecd7">memp_init_pool</a> (<a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> *desc)</td></tr>
<tr class="separator:a6416303426d05526bed33f241fa6ecd7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2b00593d086313c267b54a976bf67aa5"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a> (<a class="el" href="../../df/dff/memp_8h.html#a85a164b1f7764951cc685ea525114e57">memp_t</a> type)</td></tr>
<tr class="separator:a2b00593d086313c267b54a976bf67aa5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a348c83ee972f1edf7296a1cdf1d75f22"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#a348c83ee972f1edf7296a1cdf1d75f22">memp_malloc_pool</a> (<a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> *desc)</td></tr>
<tr class="separator:a348c83ee972f1edf7296a1cdf1d75f22"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:ad78a1f656a766f2c6341aa466762b883"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> *<a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d70/memp_8c.html#ad78a1f656a766f2c6341aa466762b883">memp_pools</a> [<a class="el" href="../../df/dff/memp_8h.html#a85a164b1f7764951cc685ea525114e57a3387042084427642949f3223c7ddd321">MEMP_MAX</a>]</td></tr>
<tr class="separator:ad78a1f656a766f2c6341aa466762b883"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Dynamic pool memory manager</p>
<p>lwIP has dedicated pools for many structures (netconn, protocol control blocks, packet buffers, ...). All these pools are managed here. </p>
<p class="definition">Definition in file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a5f75b6e9cf0c6df9e70b08b8e05a1835"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5f75b6e9cf0c6df9e70b08b8e05a1835">◆ </a></span>LWIP_MEMPOOL <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define LWIP_MEMPOOL</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">num, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">size, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">desc </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   <a class="el" href="../../dd/de2/group__mempool.html#ga5b1fb3ce7942432d87cc948b1c5ed6cb">LWIP_MEMPOOL_DECLARE</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>,num,size,desc)</td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00078">78</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
</div>
</div>
<a id="a5f75b6e9cf0c6df9e70b08b8e05a1835"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5f75b6e9cf0c6df9e70b08b8e05a1835">◆ </a></span>LWIP_MEMPOOL <span class="overload">[2/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define LWIP_MEMPOOL</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">num, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">size, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">desc </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   &memp_ ## <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>,</td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00078">78</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
<a id="aecd94926b7c2a0e23ae195f4ae97581f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aecd94926b7c2a0e23ae195f4ae97581f">◆ </a></span>memp_free()</h2>
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<td class="memname">void memp_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../df/dff/memp_8h.html#a85a164b1f7764951cc685ea525114e57">memp_t</a> </td>
<td class="paramname"><em>type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>mem</em> </td>
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<td>)</td>
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<p>Put an element back into its pool.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">type</td><td>the pool where to put mem </td></tr>
<tr><td class="paramname">mem</td><td>the memp element to free </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00469">469</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d16/debug_8h_source.html#l00135">LWIP_ERROR</a>, <a class="el" href="../../df/dff/memp_8h_source.html#l00055">MEMP_MAX</a>, <a class="el" href="../../d1/d70/memp_8c_source.html#l00081">memp_pools</a>, <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>, and <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00151">memp_desc::tab</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d8/df0/pbuf_8c_source.html#l00715">pbuf_free()</a>, and <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00421">tcpip_callbackmsg_delete()</a>.</p>
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</div>
<a id="a62f8c3c907743e34eee3cdac7fa1eaa5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a62f8c3c907743e34eee3cdac7fa1eaa5">◆ </a></span>memp_free_pool()</h2>
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<td class="memname">void memp_free_pool </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> * </td>
<td class="paramname"><em>desc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>mem</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Put a custom pool element back into its pool.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">desc</td><td>the pool where to put mem </td></tr>
<tr><td class="paramname">mem</td><td>the memp element to free </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00452">452</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, and <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>.</p>
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<a id="a9693e5b1ac2c6b9c0e7870522d45efa2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9693e5b1ac2c6b9c0e7870522d45efa2">◆ </a></span>memp_init()</h2>
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<td class="memname">void memp_init </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Initializes lwIP built-in pools. Related functions: memp_malloc, memp_free</p>
<p>Carves out memp_memory into linked lists for each pool-type. </p>
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00271">271</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">References <a class="el" href="../../d4/da4/def_8h_source.html#l00058">LWIP_ARRAYSIZE</a>, <a class="el" href="../../d1/d70/memp_8c_source.html#l00230">memp_init_pool()</a>, and <a class="el" href="../../d1/d70/memp_8c_source.html#l00081">memp_pools</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../db/d87/core_2init_8c_source.html#l00333">lwip_init()</a>.</p>
<div class="dynheader">
Here is the call graph for this function:</div>
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<div class="center"><img src="../../d1/d70/memp_8c_a9693e5b1ac2c6b9c0e7870522d45efa2_cgraph.png" border="0" usemap="#d1/d70/memp_8c_a9693e5b1ac2c6b9c0e7870522d45efa2_cgraph" alt=""/></div>
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<area shape="rect" title=" " alt="" coords="5,5,88,32"/>
<area shape="rect" href="../../d1/d70/memp_8c.html#a6416303426d05526bed33f241fa6ecd7" title=" " alt="" coords="136,5,249,32"/>
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<h2 class="memtitle"><span class="permalink"><a href="#a6416303426d05526bed33f241fa6ecd7">◆ </a></span>memp_init_pool()</h2>
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<td class="memname">void memp_init_pool </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> * </td>
<td class="paramname"><em>desc</em></td><td>)</td>
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<p>Initialize custom memory pool. Related functions: memp_malloc_pool, memp_free_pool</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">desc</td><td>pool to initialize </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00230">230</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">References <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00148">memp_desc::base</a>, <a class="el" href="../../d2/d2d/arch_8h_source.html#l00236">LWIP_MEM_ALIGN</a>, <a class="el" href="../../d2/d2d/arch_8h_source.html#l00315">LWIP_UNUSED_ARG</a>, <a class="el" href="../../d2/d78/lwipopts_8h_source.html#l00063">MEMP_OVERFLOW_CHECK</a>, <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00085">MEMP_SIZE</a>, <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00092">memp::next</a>, <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>, <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00145">memp_desc::num</a>, <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00141">memp_desc::size</a>, and <a class="el" href="../../d5/d70/memp__priv_8h_source.html#l00151">memp_desc::tab</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d1/d70/memp_8c_source.html#l00271">memp_init()</a>.</p>
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<a id="a2b00593d086313c267b54a976bf67aa5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2b00593d086313c267b54a976bf67aa5">◆ </a></span>memp_malloc()</h2>
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<td class="memname">void* memp_malloc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../df/dff/memp_8h.html#a85a164b1f7764951cc685ea525114e57">memp_t</a> </td>
<td class="paramname"><em>type</em></td><td>)</td>
<td></td>
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<p>Get an element from a specific pool.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">type</td><td>the pool to get an element from</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a pointer to the allocated memory or a NULL pointer on error </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00385">385</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d16/debug_8h_source.html#l00135">LWIP_ERROR</a>, <a class="el" href="../../df/dff/memp_8h_source.html#l00055">MEMP_MAX</a>, and <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d8/df0/pbuf_8c_source.html#l00248">pbuf_alloc()</a>, and <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00405">tcpip_callbackmsg_new()</a>.</p>
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<a id="a348c83ee972f1edf7296a1cdf1d75f22"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a348c83ee972f1edf7296a1cdf1d75f22">◆ </a></span>memp_malloc_pool()</h2>
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<td class="memname">void* memp_malloc_pool </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a> * </td>
<td class="paramname"><em>desc</em></td><td>)</td>
<td></td>
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<p>Get an element from a custom pool.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">desc</td><td>the pool to get an element from</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a pointer to the allocated memory or a NULL pointer on error </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00359">359</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, and <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>.</p>
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<h2 class="groupheader">Variable Documentation</h2>
<a id="ad78a1f656a766f2c6341aa466762b883"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad78a1f656a766f2c6341aa466762b883">◆ </a></span>memp_pools</h2>
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<td class="memname"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../d5/ddd/structmemp__desc.html">memp_desc</a>* <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> memp_pools[<a class="el" href="../../df/dff/memp_8h.html#a85a164b1f7764951cc685ea525114e57a3387042084427642949f3223c7ddd321">MEMP_MAX</a>]</td>
</tr>
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<b>Initial value:</b><div class="fragment"><div class="line">= {</div>
<div class="line"><span class="preprocessor">#define LWIP_MEMPOOL(name,num,size,desc) </span></div>
<div class="line"> </div>
<div class="line">}</div>
</div><!-- fragment -->
<p class="definition">Definition at line <a class="el" href="../../d1/d70/memp_8c_source.html#l00081">81</a> of file <a class="el" href="../../d1/d70/memp_8c_source.html">memp.c</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d1/d70/memp_8c_source.html#l00469">memp_free()</a>, and <a class="el" href="../../d1/d70/memp_8c_source.html#l00271">memp_init()</a>.</p>
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