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<div class="refentry" title="idmef-path">
<a name="libprelude-idmef-path"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libprelude-idmef-path.top_of_page"></a>idmef-path</span></h2>
<p>idmef-path — The High level IDMEF API.</p>
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<div class="refsynopsisdiv" title="Synopsis">
<a name="libprelude-idmef-path.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
typedef <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a>;
int <a class="link" href="libprelude-idmef-path.html#idmef-path-get" title="idmef_path_get ()">idmef_path_get</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t">idmef_message_t</a> *message,
<a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t">idmef_value_t</a> **ret);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-set" title="idmef_path_set ()">idmef_path_set</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t">idmef_message_t</a> *message,
<a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t">idmef_value_t</a> *value);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-new" title="idmef_path_new ()">idmef_path_new</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **path,
const char *format,
...);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-new-v" title="idmef_path_new_v ()">idmef_path_new_v</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **path,
const char *format,
va_list args);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-new-fast" title="idmef_path_new_fast ()">idmef_path_new_fast</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **path,
const char *buffer);
idmef_class_id_t <a class="link" href="libprelude-idmef-path.html#idmef-path-get-class" title="idmef_path_get_class ()">idmef_path_get_class</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);
idmef_value_type_id_t <a class="link" href="libprelude-idmef-path.html#idmef-path-get-value-type" title="idmef_path_get_value_type ()">idmef_path_get_value_type</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-set-index" title="idmef_path_set_index ()">idmef_path_set_index</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
unsigned int depth,
int index);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-undefine-index" title="idmef_path_undefine_index ()">idmef_path_undefine_index</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
unsigned int depth);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-get-index" title="idmef_path_get_index ()">idmef_path_get_index</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
unsigned int depth);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-make-child" title="idmef_path_make_child ()">idmef_path_make_child</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
const char *child_name,
int index);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-make-parent" title="idmef_path_make_parent ()">idmef_path_make_parent</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);
void <a class="link" href="libprelude-idmef-path.html#idmef-path-destroy" title="idmef_path_destroy ()">idmef_path_destroy</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-ncompare" title="idmef_path_ncompare ()">idmef_path_ncompare</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p1,
const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p2,
unsigned int depth);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-compare" title="idmef_path_compare ()">idmef_path_compare</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p1,
const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p2);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-clone" title="idmef_path_clone ()">idmef_path_clone</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *src,
<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **dst);
<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> * <a class="link" href="libprelude-idmef-path.html#idmef-path-ref" title="idmef_path_ref ()">idmef_path_ref</a> (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);
const char * <a class="link" href="libprelude-idmef-path.html#idmef-path-get-name" title="idmef_path_get_name ()">idmef_path_get_name</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);
<a class="link" href="libprelude-prelude-inttypes.html#prelude-bool-t" title="enum prelude_bool_t">prelude_bool_t</a> <a class="link" href="libprelude-idmef-path.html#idmef-path-is-ambiguous" title="idmef_path_is_ambiguous ()">idmef_path_is_ambiguous</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-has-lists" title="idmef_path_has_lists ()">idmef_path_has_lists</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);
<a class="link" href="libprelude-prelude-inttypes.html#prelude-bool-t" title="enum prelude_bool_t">prelude_bool_t</a> <a class="link" href="libprelude-idmef-path.html#idmef-path-is-list" title="idmef_path_is_list ()">idmef_path_is_list</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);
unsigned int <a class="link" href="libprelude-idmef-path.html#idmef-path-get-depth" title="idmef_path_get_depth ()">idmef_path_get_depth</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-check-operator" title="idmef_path_check_operator ()">idmef_path_check_operator</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-criteria.html#idmef-criterion-operator-t" title="enum idmef_criterion_operator_t">idmef_criterion_operator_t</a> op);
int <a class="link" href="libprelude-idmef-path.html#idmef-path-get-applicable-operators" title="idmef_path_get_applicable_operators ()">idmef_path_get_applicable_operators</a> (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-criteria.html#idmef-criterion-operator-t" title="enum idmef_criterion_operator_t">idmef_criterion_operator_t</a> *result);
</pre>
</div>
<div class="refsect1" title="Description">
<a name="libprelude-idmef-path.description"></a><h2>Description</h2>
<p>
The IDMEF path API provide a methodes to define a "path" in the IDMEF tree.
Once this path is defined, the user might set or retrieve this path.
</p>
<p>
Here is an example of how to use this API in order to set a given path within
a <a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t"><span class="type">idmef_message_t</span></a> root object:
</p>
<p>
First, we need to create a path to the object we want to create. If for example,
we wish to create the alert.classification.text path within our message, we will use:
</p>
<pre class="programlisting">
int ret;
idmef_path_t *path;
ret = idmef_path_new(&path, "alert.classification.text");
if ( ret < 0 )
return ret;
</pre>
<p>
Using the above, we just created a "pointer" to a given path in our <a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t"><span class="type">idmef_message_t</span></a>. This
path doesn't yet exist, but might be used to read, or to write a value.
</p>
<pre class="programlisting">
int ret;
idmef_value_t *value;
ret = idmef_value_new_from_path(&value, path, "A value");
if ( ret < 0 )
return ret;
</pre>
<p>
Here we just created a value applicable to the previously created path. That is, if our path
is pointing to a value of type string, the created <a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t"><span class="type">idmef_value_t</span></a> object will be of this type.
</p>
<pre class="programlisting">
idmef_message_t *idmef;
/*
* create our top message
*/
ret = idmef_message_new(&idmef);
/*
* Set the previously defined path to the previously created value
* in the top level idmef message 'idmef'.
*/
ret = idmef_path_set(path, idmef, value);
</pre>
<p>
And finally, we create our top level <a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t"><span class="type">idmef_message_t</span></a> object and set the created <a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t"><span class="type">idmef_value_t</span></a>
as the value for our created <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a>.
</p>
<p>
Given our previous example, we can write the following function:
</p>
<pre class="programlisting">
static int set_idmef_path(idmef_message_t *message, const char *pathname, const char *value)
{
int ret;
idmef_value_t *val;
idmef_path_t *path;
ret = idmef_path_new(&path, pathname);
if ( ret < 0 )
return ret;
ret = idmef_value_new_from_path(&val, path, value);
if ( ret < 0 ) {
idmef_path_destroy(path);
return ret;
}
ret = idmef_path_set(path, message, val);
idmef_value_destroy(val);
idmef_path_destroy(path);
return ret;
}
</pre>
<p>
You will then be able to set any field of the IDMEF message using:
</p>
<pre class="programlisting">
idmef_message_t *idmef;
ret = idmef_message_new(&idmef);
if ( ret < 0 )
return ret;
set_idmef_path(idmef, "alert.classification.text", "My classification text");
set_idmef_path(idmef, "alert.classification.reference(0).name", "OSVDB-XXXX");
set_idmef_path(idmef, "alert.classification.reference(0).origin", "osvdb");
set_idmef_path(idmef, "alert.classification.reference(0).url", "http://my.url/");
set_idmef_path(idmef, "alert.source(0).node.address(0).address", "127.0.0.1");
</pre>
<p>
</p>
</div>
<div class="refsect1" title="Details">
<a name="libprelude-idmef-path.details"></a><h2>Details</h2>
<div class="refsect2" title="idmef_path_t">
<a name="idmef-path-t"></a><h3>idmef_path_t</h3>
<pre class="programlisting">typedef struct idmef_path idmef_path_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="idmef_path_get ()">
<a name="idmef-path-get"></a><h3>idmef_path_get ()</h3>
<pre class="programlisting">int idmef_path_get (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t">idmef_message_t</a> *message,
<a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t">idmef_value_t</a> **ret);</pre>
<p>
This function retrieves the value for <em class="parameter"><code>path</code></em> within <em class="parameter"><code>message</code></em>,
and stores it into the provided <em class="parameter"><code>ret</code></em> address of type <a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t"><span class="type">idmef_value_t</span></a>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>message</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t"><span class="type">idmef_message_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ret</code></em> :</span></p></td>
<td> Address where to store the retrieved <a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t"><span class="type">idmef_value_t</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The number of element retrieved, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_set ()">
<a name="idmef-path-set"></a><h3>idmef_path_set ()</h3>
<pre class="programlisting">int idmef_path_set (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t">idmef_message_t</a> *message,
<a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t">idmef_value_t</a> *value);</pre>
<p>
This function sets the provided <em class="parameter"><code>value</code></em> for <em class="parameter"><code>path</code></em> within <em class="parameter"><code>message</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>message</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-tree-wrap.html#idmef-message-t" title="idmef_message_t"><span class="type">idmef_message_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t"><span class="type">idmef_value_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_new ()">
<a name="idmef-path-new"></a><h3>idmef_path_new ()</h3>
<pre class="programlisting">int idmef_path_new (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **path,
const char *format,
...);</pre>
<p>
Creates an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object pointing to the provided format
string <em class="parameter"><code>format</code></em> and @..., and stores it within <em class="parameter"><code>path</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Address where to store the created <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td> Format string.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td> Arguments list.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_new_v ()">
<a name="idmef-path-new-v"></a><h3>idmef_path_new_v ()</h3>
<pre class="programlisting">int idmef_path_new_v (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **path,
const char *format,
va_list args);</pre>
<p>
Creates an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object pointing to the provided format
string <em class="parameter"><code>format</code></em> and <em class="parameter"><code>args</code></em>, and stores it within <em class="parameter"><code>path</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Address where to store the created <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td> Format string.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>args</code></em> :</span></p></td>
<td> Pointer to a variable argument list.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_new_fast ()">
<a name="idmef-path-new-fast"></a><h3>idmef_path_new_fast ()</h3>
<pre class="programlisting">int idmef_path_new_fast (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **path,
const char *buffer);</pre>
<p>
Creates a <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object pointing to <em class="parameter"><code>buffer</code></em>, and stores it within <em class="parameter"><code>path</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Address where to store the created <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td> Name of the path to create.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_get_class ()">
<a name="idmef-path-get-class"></a><h3>idmef_path_get_class ()</h3>
<pre class="programlisting">idmef_class_id_t idmef_path_get_class (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);</pre>
<p>
Retrieves the <span class="type">idmef_class_id_t</span> value for the element of <em class="parameter"><code>path</code></em>
located at <em class="parameter"><code>depth</code></em>. If depth is -1, the last element depth is addressed.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Depth of <em class="parameter"><code>path</code></em> to retrieve the <span class="type">idmef_class_id_t</span> from.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The <span class="type">idmef_class_id_t</span> for the elemnt, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_get_value_type ()">
<a name="idmef-path-get-value-type"></a><h3>idmef_path_get_value_type ()</h3>
<pre class="programlisting">idmef_value_type_id_t idmef_path_get_value_type (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);</pre>
<p>
Retrieves the <span class="type">idmef_value_type_id_t</span> identifying the type of value
acceptable for this path element, for the <em class="parameter"><code>path</code></em> element located at
<em class="parameter"><code>depth</code></em>. If depth is -1, the last element depth is addressed.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Depth of <em class="parameter"><code>path</code></em> to retrieve the <span class="type">idmef_value_type_id_t</span> from.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The <span class="type">idmef_value_type_id_t</span> for the element, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_set_index ()">
<a name="idmef-path-set-index"></a><h3>idmef_path_set_index ()</h3>
<pre class="programlisting">int idmef_path_set_index (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
unsigned int depth,
int index);</pre>
<p>
Modifies <em class="parameter"><code>index</code></em> for the element located at <em class="parameter"><code>depth</code></em> of provided <em class="parameter"><code>path</code></em>.
This function is only applicable for element that accept listed value.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Depth of <em class="parameter"><code>path</code></em> to set <em class="parameter"><code>index</code></em> for.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>index</code></em> :</span></p></td>
<td> Index for the provided element <em class="parameter"><code>depth</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_undefine_index ()">
<a name="idmef-path-undefine-index"></a><h3>idmef_path_undefine_index ()</h3>
<pre class="programlisting">int idmef_path_undefine_index (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
unsigned int depth);</pre>
<p>
Modifies the element located at <em class="parameter"><code>depth</code></em> of provided <em class="parameter"><code>path</code></em> so that it's
index is undefined.
</p>
<p>
This function is only applicable for element that accept listed value.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Depth of <em class="parameter"><code>path</code></em> to undefine the index for.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_get_index ()">
<a name="idmef-path-get-index"></a><h3>idmef_path_get_index ()</h3>
<pre class="programlisting">int idmef_path_get_index (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
unsigned int depth);</pre>
<p>
Gets the current index for element located at <em class="parameter"><code>depth</code></em> of <em class="parameter"><code>path</code></em>.
This function is only applicable for element that accepts listed value.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Depth of <em class="parameter"><code>path</code></em> to retrieve the index from.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The element index, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_make_child ()">
<a name="idmef-path-make-child"></a><h3>idmef_path_make_child ()</h3>
<pre class="programlisting">int idmef_path_make_child (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
const char *child_name,
int index);</pre>
<p>
Modifies <em class="parameter"><code>path</code></em> so that it points to the child node identified by <em class="parameter"><code>child_name</code></em>,
children of the current path. That is if the path is currently pointing to
alert.classification, and <em class="parameter"><code>child_name</code></em> is set to "text", <em class="parameter"><code>path</code></em> will be
modified to point to alert.classification.text.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_name</code></em> :</span></p></td>
<td> Name of the child element to create.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>index</code></em> :</span></p></td>
<td> Index for <em class="parameter"><code>child_name</code></em>, if applicable.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_make_parent ()">
<a name="idmef-path-make-parent"></a><h3>idmef_path_make_parent ()</h3>
<pre class="programlisting">int idmef_path_make_parent (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);</pre>
<p>
Removes the last element of the path. That is, if <em class="parameter"><code>path</code></em> is currently pointing to
alert.classification, <em class="parameter"><code>path</code></em> will be modified to point to alert.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, or a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_destroy ()">
<a name="idmef-path-destroy"></a><h3>idmef_path_destroy ()</h3>
<pre class="programlisting">void idmef_path_destroy (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);</pre>
<p>
Destroys the provided <em class="parameter"><code>path</code></em> object.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_ncompare ()">
<a name="idmef-path-ncompare"></a><h3>idmef_path_ncompare ()</h3>
<pre class="programlisting">int idmef_path_ncompare (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p1,
const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p2,
unsigned int depth);</pre>
<p>
Compares <em class="parameter"><code>p1</code></em> and <em class="parameter"><code>p2</code></em> elements up to <em class="parameter"><code>depth</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p1</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>p2</code></em> :</span></p></td>
<td> Pointer to another <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Maximum depth to use for path comparison.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 if both element match, a negative value otherwise.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_compare ()">
<a name="idmef-path-compare"></a><h3>idmef_path_compare ()</h3>
<pre class="programlisting">int idmef_path_compare (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p1,
const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *p2);</pre>
<p>
Compares <em class="parameter"><code>p1</code></em> and <em class="parameter"><code>p2</code></em> elements.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>p1</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>p2</code></em> :</span></p></td>
<td> Pointer to another <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 if both element match, a negative value otherwise.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_clone ()">
<a name="idmef-path-clone"></a><h3>idmef_path_clone ()</h3>
<pre class="programlisting">int idmef_path_clone (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *src,
<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> **dst);</pre>
<p>
Clones <em class="parameter"><code>src</code></em> and stores the result in the provided <em class="parameter"><code>dst</code></em> address.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dst</code></em> :</span></p></td>
<td> Address where to store the copy of <em class="parameter"><code>src</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, a negative value otherwise.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_ref ()">
<a name="idmef-path-ref"></a><h3>idmef_path_ref ()</h3>
<pre class="programlisting"><a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> * idmef_path_ref (<a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);</pre>
<p>
Increases <em class="parameter"><code>path</code></em> reference count.
</p>
<p>
<a class="link" href="libprelude-idmef-path.html#idmef-path-destroy" title="idmef_path_destroy ()"><code class="function">idmef_path_destroy()</code></a> will destroy the refcount until it reaches 0,
at which point the path will be destroyed.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The provided <em class="parameter"><code>path</code></em> is returned.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_get_name ()">
<a name="idmef-path-get-name"></a><h3>idmef_path_get_name ()</h3>
<pre class="programlisting">const char * idmef_path_get_name (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);</pre>
<p>
Returns the full path name if the provided <em class="parameter"><code>depth</code></em> is -1, or the specific
element name if depth is set. That is, for a <em class="parameter"><code>path</code></em> pointing to
"alert.classification.text": A depth of -1 would return "alert.classification.text";
a depth of 0 would return "alert"; a depth of 1 would return "classification"; and
a depth of 2 would return "text".</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td> Depth of the <em class="parameter"><code>path</code></em> element to get the name from.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <em class="parameter"><code>path</code></em> name relative to the provided <em class="parameter"><code>dept</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_is_ambiguous ()">
<a name="idmef-path-is-ambiguous"></a><h3>idmef_path_is_ambiguous ()</h3>
<pre class="programlisting"><a class="link" href="libprelude-prelude-inttypes.html#prelude-bool-t" title="enum prelude_bool_t">prelude_bool_t</a> idmef_path_is_ambiguous (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);</pre>
<p>
Returns TRUE if <em class="parameter"><code>path</code></em> contain elements that are supposed
to be listed, but for which no index were provided.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> TRUE if the object is ambiguous, FALSE otherwise.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_has_lists ()">
<a name="idmef-path-has-lists"></a><h3>idmef_path_has_lists ()</h3>
<pre class="programlisting">int idmef_path_has_lists (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);</pre>
<p>
</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the number of listed element within <em class="parameter"><code>path</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_is_list ()">
<a name="idmef-path-is-list"></a><h3>idmef_path_is_list ()</h3>
<pre class="programlisting"><a class="link" href="libprelude-prelude-inttypes.html#prelude-bool-t" title="enum prelude_bool_t">prelude_bool_t</a> idmef_path_is_list (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
int depth);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>depth</code></em> :</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_get_depth ()">
<a name="idmef-path-get-depth"></a><h3>idmef_path_get_depth ()</h3>
<pre class="programlisting">unsigned int idmef_path_get_depth (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path);</pre>
<p>
</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to an <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <em class="parameter"><code>depth</code></em> number of elements.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_check_operator ()">
<a name="idmef-path-check-operator"></a><h3>idmef_path_check_operator ()</h3>
<pre class="programlisting">int idmef_path_check_operator (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-criteria.html#idmef-criterion-operator-t" title="enum idmef_criterion_operator_t">idmef_criterion_operator_t</a> op);</pre>
<p>
Check whether <em class="parameter"><code>op</code></em> can apply to value pointed to by <em class="parameter"><code>path</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>op</code></em> :</span></p></td>
<td> Operator to check compatibility with.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="idmef_path_get_applicable_operators ()">
<a name="idmef-path-get-applicable-operators"></a><h3>idmef_path_get_applicable_operators ()</h3>
<pre class="programlisting">int idmef_path_get_applicable_operators (const <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t">idmef_path_t</a> *path,
<a class="link" href="libprelude-idmef-criteria.html#idmef-criterion-operator-t" title="enum idmef_criterion_operator_t">idmef_criterion_operator_t</a> *result);</pre>
<p>
Retrieve all applicable operator that might be used by the type of
value pointed to by <em class="parameter"><code>path</code></em>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td> Pointer to a <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> object.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td> Pointer to storage for applicable operator.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> 0 on success, a negative value if an error occured.
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" title="See Also">
<a name="libprelude-idmef-path.see-also"></a><h2>See Also</h2>
<p>
<a class="link" href="libprelude-idmef-value.html#idmef-value-t" title="idmef_value_t"><span class="type">idmef_value_t</span></a> for setting <a class="link" href="libprelude-idmef-path.html#idmef-path-t" title="idmef_path_t"><span class="type">idmef_path_t</span></a> value.
</p>
</div>
</div>
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