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<h1>/home/qateam/rpm/BUILD/alsa-lib-1.0.23/src/confmisc.c File Reference</h1>
<p>Configuration helper functions.
<a href="#_details">More...</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___config.html#ga11dfab861b537b564f0c76d9b1eb2935">snd_config_get_bool_ascii</a> (const char *ascii)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the boolean value from the given ASCII string. <a href="group___config.html#ga11dfab861b537b564f0c76d9b1eb2935"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___config.html#gae5d80ee31e779992fd14672fd850a3d1">snd_config_get_bool</a> (const <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *conf)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the boolean value from a configuration node. <a href="group___config.html#gae5d80ee31e779992fd14672fd850a3d1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___config.html#ga5759c972706da4bd3be35c9336568bfd">snd_config_get_ctl_iface_ascii</a> (const char *ascii)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the control interface index from the given ASCII string. <a href="group___config.html#ga5759c972706da4bd3be35c9336568bfd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___config.html#gaaf1c1ea4801961e3107ca23ba89bd429">snd_config_get_ctl_iface</a> (const <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *conf)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the control interface index from a configuration node. <a href="group___config.html#gaaf1c1ea4801961e3107ca23ba89bd429"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a033eab97ee6619aeb8c5eca585acf6c0">snd_func_getenv</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns an environment value. <a href="#a033eab97ee6619aeb8c5eca585acf6c0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a121864fba02478b9f605be44c97f5dc8">snd_func_igetenv</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns an integer environment value. <a href="#a121864fba02478b9f605be44c97f5dc8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a43a3685d5e397fdc0e46af6d7b121616">snd_func_concat</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Merges the given strings. <a href="#a43a3685d5e397fdc0e46af6d7b121616"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a4e7acbc261ca8b6bf4602753ea5c17fe">snd_func_iadd</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sum the given integers. <a href="#a4e7acbc261ca8b6bf4602753ea5c17fe"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a12f4b8b67e0976a260859edb929f4d36">snd_func_imul</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiply the given integers. <a href="#a12f4b8b67e0976a260859edb929f4d36"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#aa24c85e86b4c1f6c4d2d440e4782d098">snd_func_datadir</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the ALSA data directory. <a href="#aa24c85e86b4c1f6c4d2d440e4782d098"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#af14b528e2502f2037294301473389948">snd_func_private_string</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the string from <code>private_data</code>. <a href="#af14b528e2502f2037294301473389948"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a7bc4fec8cb3499997934a00210d34fe7">snd_func_private_card_driver</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the driver identification from <code>private_data</code>. <a href="#a7bc4fec8cb3499997934a00210d34fe7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a023f9fd40df7c2c428a457b6ec7f8004">snd_func_card_inum</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the card number as integer. <a href="#a023f9fd40df7c2c428a457b6ec7f8004"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a2d147e387821449a8927d60ef4f8ff16">snd_func_card_driver</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the driver identification for a card. <a href="#a2d147e387821449a8927d60ef4f8ff16"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a9ccfc361f1bc1d81837335de02707ee8">snd_func_card_id</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the identification of a card. <a href="#a9ccfc361f1bc1d81837335de02707ee8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#aba1ae0185e2d3e9b50291b40e7048181">snd_func_card_name</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the name of a card. <a href="#aba1ae0185e2d3e9b50291b40e7048181"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="confmisc_8c.html#a8d91af8387a708c526bac3ee2c7ea10e">snd_func_refer</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> **dst, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *src, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *private_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copies the specified configuration node. <a href="#a8d91af8387a708c526bac3ee2c7ea10e"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Configuration helper functions. </p>
<dl class="author"><dt><b>Author:</b></dt><dd>Abramo Bagnara <<a href="mailto:abramo@alsa-project.org">abramo@alsa-project.org</a>> </dd>
<dd>
Jaroslav Kysela <<a href="mailto:perex@perex.cz">perex@perex.cz</a>> </dd></dl>
<dl class="date"><dt><b>Date:</b></dt><dd>2000-2001</dd></dl>
<p>Configuration helper functions.</p>
<p>See the <a class="el" href="conffunc.html">Runtime functions in configuration files</a> page for more details. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a2d147e387821449a8927d60ef4f8ff16"></a><!-- doxytag: member="confmisc.c::snd_func_card_driver" ref="a2d147e387821449a8927d60ef4f8ff16" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">int snd_func_card_driver </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the driver identification for a card. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a <code>card</code> definition. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func card_driver
card 0
}
</pre></div>
</div>
</div>
<a class="anchor" id="a9ccfc361f1bc1d81837335de02707ee8"></a><!-- doxytag: member="confmisc.c::snd_func_card_id" ref="a9ccfc361f1bc1d81837335de02707ee8" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_card_id </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the identification of a card. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a <code>card</code> definition. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func card_id
card 0
}
</pre></div>
</div>
</div>
<a class="anchor" id="a023f9fd40df7c2c428a457b6ec7f8004"></a><!-- doxytag: member="confmisc.c::snd_func_card_inum" ref="a023f9fd40df7c2c428a457b6ec7f8004" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
<div class="memitem">
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<td class="memname">int snd_func_card_inum </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the card number as integer. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a <code>card</code> definition. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func card_inum
card <span class="charliteral">'0'</span>
}
</pre></div>
</div>
</div>
<a class="anchor" id="aba1ae0185e2d3e9b50291b40e7048181"></a><!-- doxytag: member="confmisc.c::snd_func_card_name" ref="aba1ae0185e2d3e9b50291b40e7048181" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int snd_func_card_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the name of a card. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a <code>card</code> definition. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func card_name
card 0
}
</pre></div>
</div>
</div>
<a class="anchor" id="a43a3685d5e397fdc0e46af6d7b121616"></a><!-- doxytag: member="confmisc.c::snd_func_concat" ref="a43a3685d5e397fdc0e46af6d7b121616" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_concat </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Merges the given strings. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a definition for <code>strings</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example (result is "a1b2c3"): </p>
<div class="fragment"><pre class="fragment"> {
@func concat
strings [ <span class="stringliteral">"a1"</span> <span class="stringliteral">"b2"</span> <span class="stringliteral">"c3"</span> ]
}
</pre></div>
</div>
</div>
<a class="anchor" id="aa24c85e86b4c1f6c4d2d440e4782d098"></a><!-- doxytag: member="confmisc.c::snd_func_datadir" ref="aa24c85e86b4c1f6c4d2d440e4782d098" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_datadir </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the ALSA data directory. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. Not used. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example (result is "/usr/share/alsa" using the default paths): </p>
<div class="fragment"><pre class="fragment"> {
@func datadir
}
</pre></div>
</div>
</div>
<a class="anchor" id="a033eab97ee6619aeb8c5eca585acf6c0"></a><!-- doxytag: member="confmisc.c::snd_func_getenv" ref="a033eab97ee6619aeb8c5eca585acf6c0" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_getenv </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns an environment value. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with definitions for <code>vars</code> and <code>default</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Zero if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func getenv
vars [ MY_CARD CARD C ]
<span class="keywordflow">default</span> 0
}
</pre></div>
</div>
</div>
<a class="anchor" id="a4e7acbc261ca8b6bf4602753ea5c17fe"></a><!-- doxytag: member="confmisc.c::snd_func_iadd" ref="a4e7acbc261ca8b6bf4602753ea5c17fe" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_iadd </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sum the given integers. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type integer) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a definition for <code>integers</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example (result is 10): </p>
<div class="fragment"><pre class="fragment"> {
@func iadd
integers [ 2 3 5 ]
}
</pre></div>
</div>
</div>
<a class="anchor" id="a121864fba02478b9f605be44c97f5dc8"></a><!-- doxytag: member="confmisc.c::snd_func_igetenv" ref="a121864fba02478b9f605be44c97f5dc8" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_igetenv </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns an integer environment value. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type integer) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with definitions for <code>vars</code> and <code>default</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Zero if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func igetenv
vars [ MY_DEVICE DEVICE D ]
<span class="keywordflow">default</span> 0
}
</pre></div>
</div>
</div>
<a class="anchor" id="a12f4b8b67e0976a260859edb929f4d36"></a><!-- doxytag: member="confmisc.c::snd_func_imul" ref="a12f4b8b67e0976a260859edb929f4d36" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_imul </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Multiply the given integers. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type integer) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with a definition for <code>integers</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example (result is 12): </p>
<div class="fragment"><pre class="fragment"> {
@func imul
integers [ 2 3 2 ]
}
</pre></div>
</div>
</div>
<a class="anchor" id="a7bc4fec8cb3499997934a00210d34fe7"></a><!-- doxytag: member="confmisc.c::snd_func_private_card_driver" ref="a7bc4fec8cb3499997934a00210d34fe7" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
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<td class="memname">int snd_func_private_card_driver </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the driver identification from <code>private_data</code>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node (type integer, id "card"). </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func private_card_driver
}
</pre></div>
</div>
</div>
<a class="anchor" id="af14b528e2502f2037294301473389948"></a><!-- doxytag: member="confmisc.c::snd_func_private_string" ref="af14b528e2502f2037294301473389948" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int snd_func_private_string </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Returns the string from <code>private_data</code>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with type string) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node (type string, id "string"). </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code.</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func private_string
}
</pre></div>
</div>
</div>
<a class="anchor" id="a8d91af8387a708c526bac3ee2c7ea10e"></a><!-- doxytag: member="confmisc.c::snd_func_refer" ref="a8d91af8387a708c526bac3ee2c7ea10e" args="(snd_config_t **dst, snd_config_t *root, snd_config_t *src, snd_config_t *private_data)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int snd_func_refer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> ** </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td>
<td class="paramname"> <em>private_data</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Copies the specified configuration node. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>The function puts the handle to the result configuration node (with the same type as the specified node) at the address specified by <code>dst</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>root</em> </td><td>Handle to the root source node. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>Handle to the source node, with definitions for <code>name</code> and (optionally) <code>file</code>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>private_data</em> </td><td>Handle to the <code>private_data</code> node. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A non-negative value if successful, otherwise a negative error code. </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>The root source node can be modified!</dd></dl>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> {
@func refer
file <span class="stringliteral">"/etc/myconf.conf"</span> # optional
name <span class="stringliteral">"id1.id2.id3"</span>
}
</pre></div>
</div>
</div>
</div>
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