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<refentry id="libuser-entity">
<refmeta>
<refentrytitle role="top_of_page">entity</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>LIBUSER Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>entity</refname>
<refpurpose>
Functions for manipulating lu_ent structures.</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv role="synopsis">
<title role="synopsis.title">Synopsis</title>
<synopsis>
#define <link linkend="LU-USERNAME:CAPS">LU_USERNAME</link>
#define <link linkend="LU-USERPASSWORD:CAPS">LU_USERPASSWORD</link>
#define <link linkend="LU-UIDNUMBER:CAPS">LU_UIDNUMBER</link>
#define <link linkend="LU-GIDNUMBER:CAPS">LU_GIDNUMBER</link>
#define <link linkend="LU-GECOS:CAPS">LU_GECOS</link>
#define <link linkend="LU-HOMEDIRECTORY:CAPS">LU_HOMEDIRECTORY</link>
#define <link linkend="LU-LOGINSHELL:CAPS">LU_LOGINSHELL</link>
#define <link linkend="LU-GROUPNAME:CAPS">LU_GROUPNAME</link>
#define <link linkend="LU-GROUPPASSWORD:CAPS">LU_GROUPPASSWORD</link>
#define <link linkend="LU-MEMBERNAME:CAPS">LU_MEMBERNAME</link>
#define <link linkend="LU-ADMINISTRATORNAME:CAPS">LU_ADMINISTRATORNAME</link>
#define <link linkend="LU-SHADOWNAME:CAPS">LU_SHADOWNAME</link>
#define <link linkend="LU-SHADOWPASSWORD:CAPS">LU_SHADOWPASSWORD</link>
#define <link linkend="LU-SHADOWLASTCHANGE:CAPS">LU_SHADOWLASTCHANGE</link>
#define <link linkend="LU-SHADOWMIN:CAPS">LU_SHADOWMIN</link>
#define <link linkend="LU-SHADOWMAX:CAPS">LU_SHADOWMAX</link>
#define <link linkend="LU-SHADOWWARNING:CAPS">LU_SHADOWWARNING</link>
#define <link linkend="LU-SHADOWINACTIVE:CAPS">LU_SHADOWINACTIVE</link>
#define <link linkend="LU-SHADOWEXPIRE:CAPS">LU_SHADOWEXPIRE</link>
#define <link linkend="LU-SHADOWFLAG:CAPS">LU_SHADOWFLAG</link>
#define <link linkend="LU-COMMONNAME:CAPS">LU_COMMONNAME</link>
#define <link linkend="LU-GIVENNAME:CAPS">LU_GIVENNAME</link>
#define <link linkend="LU-SN:CAPS">LU_SN</link>
#define <link linkend="LU-ROOMNUMBER:CAPS">LU_ROOMNUMBER</link>
#define <link linkend="LU-TELEPHONENUMBER:CAPS">LU_TELEPHONENUMBER</link>
#define <link linkend="LU-HOMEPHONE:CAPS">LU_HOMEPHONE</link>
#define <link linkend="LU-EMAIL:CAPS">LU_EMAIL</link>
<link linkend="lu-ent-t">lu_ent_t</link>* <link linkend="lu-ent-new">lu_ent_new</link> (void);
<link linkend="void">void</link> <link linkend="lu-ent-free">lu_ent_free</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="void">void</link> <link linkend="lu-ent-copy">lu_ent_copy</link> (<link linkend="lu-ent-t">lu_ent_t</link> *source,
<link linkend="lu-ent-t">lu_ent_t</link> *dest);
<link linkend="void">void</link> <link linkend="lu-ent-commit">lu_ent_commit</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="void">void</link> <link linkend="lu-ent-revert">lu_ent_revert</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="void">void</link> <link linkend="lu-ent-add">lu_ent_add</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);
<link linkend="void">void</link> <link linkend="lu-ent-add-current">lu_ent_add_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);
<link linkend="void">void</link> <link linkend="lu-ent-clear">lu_ent_clear</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr);
<link linkend="void">void</link> <link linkend="lu-ent-clear-all">lu_ent_clear_all</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="void">void</link> <link linkend="lu-ent-clear-all-current">lu_ent_clear_all_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="void">void</link> <link linkend="lu-ent-clear-current">lu_ent_clear_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr);
<link linkend="void">void</link> <link linkend="lu-ent-del">lu_ent_del</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);
<link linkend="void">void</link> <link linkend="lu-ent-del-current">lu_ent_del_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);
<link linkend="void">void</link> <link linkend="lu-ent-dump">lu_ent_dump</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
<link linkend="FILE:CAPS">FILE</link> *fp);
<link linkend="GValueArray">GValueArray</link>* <link linkend="lu-ent-get">lu_ent_get</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);
<link linkend="GList">GList</link>* <link linkend="lu-ent-get-attributes">lu_ent_get_attributes</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="GList">GList</link>* <link linkend="lu-ent-get-attributes-current">lu_ent_get_attributes_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent);
<link linkend="GValueArray">GValueArray</link>* <link linkend="lu-ent-get-current">lu_ent_get_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);
<link linkend="gboolean">gboolean</link> <link linkend="lu-ent-has">lu_ent_has</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);
<link linkend="gboolean">gboolean</link> <link linkend="lu-ent-has-current">lu_ent_has_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);
<link linkend="void">void</link> <link linkend="lu-ent-set">lu_ent_set</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValueArray">GValueArray</link> *values);
<link linkend="void">void</link> <link linkend="lu-ent-set-current">lu_ent_set_current</link> (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValueArray">GValueArray</link> *values);
</synopsis>
</refsynopsisdiv>
<refsect1 role="desc">
<title role="desc.title">Description</title>
<para>
entity.h declares functions for manipulating lu_ent structures, which are used
by libuser, its modules, and applications to hold data about a particular
user or group account.
</para>
<para>
Each struct lu_ent contains two sets of attributes: pending and current.
The pending attributes are modified by default, the current attributes
are modified by functions ending with _current.
</para>
<para>
Each attribute contains a list of values. The list is never empty; removing
the last entry from the list removes the list completely.
</para>
</refsect1>
<refsect1 role="details">
<title role="details.title">Details</title>
<refsect2>
<title><anchor id="LU-USERNAME:CAPS" role="macro"/>LU_USERNAME</title>
<indexterm><primary>LU_USERNAME</primary></indexterm><programlisting>#define LU_USERNAME "pw_name"
</programlisting>
<para>
User name, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-USERPASSWORD:CAPS" role="macro"/>LU_USERPASSWORD</title>
<indexterm><primary>LU_USERPASSWORD</primary></indexterm><programlisting>#define LU_USERPASSWORD "pw_passwd"
</programlisting>
<para>
User password, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>. If shadow passwords are used, this is the
placeholder password.
</para></refsect2>
<refsect2>
<title><anchor id="LU-UIDNUMBER:CAPS" role="macro"/>LU_UIDNUMBER</title>
<indexterm><primary>LU_UIDNUMBER</primary></indexterm><programlisting>#define LU_UIDNUMBER "pw_uid"
</programlisting>
<para>
User ID, an <link linkend="id-t"><type>id_t</type></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-GIDNUMBER:CAPS" role="macro"/>LU_GIDNUMBER</title>
<indexterm><primary>LU_GIDNUMBER</primary></indexterm><programlisting>#define LU_GIDNUMBER "pw_gid"
</programlisting>
<para>
Group ID, an <link linkend="id-t"><type>id_t</type></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-GECOS:CAPS" role="macro"/>LU_GECOS</title>
<indexterm><primary>LU_GECOS</primary></indexterm><programlisting>#define LU_GECOS "pw_gecos"
</programlisting>
<para>
Usually user's real name, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>. Often contains user's real name,
office name, office phone, home phone, separated by commas.
</para></refsect2>
<refsect2>
<title><anchor id="LU-HOMEDIRECTORY:CAPS" role="macro"/>LU_HOMEDIRECTORY</title>
<indexterm><primary>LU_HOMEDIRECTORY</primary></indexterm><programlisting>#define LU_HOMEDIRECTORY "pw_dir"
</programlisting>
<para>
User's home directory, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-LOGINSHELL:CAPS" role="macro"/>LU_LOGINSHELL</title>
<indexterm><primary>LU_LOGINSHELL</primary></indexterm><programlisting>#define LU_LOGINSHELL "pw_shell"
</programlisting>
<para>
User's login shell, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-GROUPNAME:CAPS" role="macro"/>LU_GROUPNAME</title>
<indexterm><primary>LU_GROUPNAME</primary></indexterm><programlisting>#define LU_GROUPNAME "gr_name"
</programlisting>
<para>
Group name, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-GROUPPASSWORD:CAPS" role="macro"/>LU_GROUPPASSWORD</title>
<indexterm><primary>LU_GROUPPASSWORD</primary></indexterm><programlisting>#define LU_GROUPPASSWORD "gr_passwd"
</programlisting>
<para>
Group password, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-MEMBERNAME:CAPS" role="macro"/>LU_MEMBERNAME</title>
<indexterm><primary>LU_MEMBERNAME</primary></indexterm><programlisting>#define LU_MEMBERNAME "gr_mem"
</programlisting>
<para>
Group member names; each member is represented by a separate <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>
value.
</para></refsect2>
<refsect2>
<title><anchor id="LU-ADMINISTRATORNAME:CAPS" role="macro"/>LU_ADMINISTRATORNAME</title>
<indexterm><primary>LU_ADMINISTRATORNAME</primary></indexterm><programlisting>#define LU_ADMINISTRATORNAME "gr_adm"
</programlisting>
<para>
Group administrator names; each administrator is represented by a separate
<link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link> value.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWNAME:CAPS" role="macro"/>LU_SHADOWNAME</title>
<indexterm><primary>LU_SHADOWNAME</primary></indexterm><programlisting>#define LU_SHADOWNAME LU_USERNAME
</programlisting>
<para>
User name, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>. Note that <link linkend="LU-SHADOWNAME:CAPS"><literal>LU_SHADOWNAME</literal></link> is not distinct from
<link linkend="LU-USERNAME:CAPS"><literal>LU_USERNAME</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWPASSWORD:CAPS" role="macro"/>LU_SHADOWPASSWORD</title>
<indexterm><primary>LU_SHADOWPASSWORD</primary></indexterm><programlisting>#define LU_SHADOWPASSWORD "sp_pwdp"
</programlisting>
<para>
User password in the shadow file, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWLASTCHANGE:CAPS" role="macro"/>LU_SHADOWLASTCHANGE</title>
<indexterm><primary>LU_SHADOWLASTCHANGE</primary></indexterm><programlisting>#define LU_SHADOWLASTCHANGE "sp_lstchg"
</programlisting>
<para>
The number of days since the epoch to the day when the password was last
changed, a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWMIN:CAPS" role="macro"/>LU_SHADOWMIN</title>
<indexterm><primary>LU_SHADOWMIN</primary></indexterm><programlisting>#define LU_SHADOWMIN "sp_min"
</programlisting>
<para>
Minimum password lifetime in days before it can be changed, a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWMAX:CAPS" role="macro"/>LU_SHADOWMAX</title>
<indexterm><primary>LU_SHADOWMAX</primary></indexterm><programlisting>#define LU_SHADOWMAX "sp_max"
</programlisting>
<para>
Maximum password lifetime in days before it must be changed, a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWWARNING:CAPS" role="macro"/>LU_SHADOWWARNING</title>
<indexterm><primary>LU_SHADOWWARNING</primary></indexterm><programlisting>#define LU_SHADOWWARNING "sp_warn"
</programlisting>
<para>
Days before the password lifetime expires when the user should start to be
warned, a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWINACTIVE:CAPS" role="macro"/>LU_SHADOWINACTIVE</title>
<indexterm><primary>LU_SHADOWINACTIVE</primary></indexterm><programlisting>#define LU_SHADOWINACTIVE "sp_inact"
</programlisting>
<para>
Days after the password lifetime expires when the user account is disabled
(because it is considered inactive), a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>. -1 to disable inactive
account disabling.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWEXPIRE:CAPS" role="macro"/>LU_SHADOWEXPIRE</title>
<indexterm><primary>LU_SHADOWEXPIRE</primary></indexterm><programlisting>#define LU_SHADOWEXPIRE "sp_expire"
</programlisting>
<para>
The number of days since the epoch to the day when the account expires and
is disabled, a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>. -1 to disable account expiration.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SHADOWFLAG:CAPS" role="macro"/>LU_SHADOWFLAG</title>
<indexterm><primary>LU_SHADOWFLAG</primary></indexterm><programlisting>#define LU_SHADOWFLAG "sp_flag"
</programlisting>
<para>
A reserved value "for future use", a <link linkend="G-TYPE-LONG:CAPS"><literal>G_TYPE_LONG</literal></link>. In most cases the value is
-1.
</para></refsect2>
<refsect2>
<title><anchor id="LU-COMMONNAME:CAPS" role="macro"/>LU_COMMONNAME</title>
<indexterm><primary>LU_COMMONNAME</primary></indexterm><programlisting>#define LU_COMMONNAME "cn"
</programlisting>
<para>
User's real name, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-GIVENNAME:CAPS" role="macro"/>LU_GIVENNAME</title>
<indexterm><primary>LU_GIVENNAME</primary></indexterm><programlisting>#define LU_GIVENNAME "givenName"
</programlisting>
<para>
User's given name, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-SN:CAPS" role="macro"/>LU_SN</title>
<indexterm><primary>LU_SN</primary></indexterm><programlisting>#define LU_SN "sn"
</programlisting>
<para>
User's surname, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-ROOMNUMBER:CAPS" role="macro"/>LU_ROOMNUMBER</title>
<indexterm><primary>LU_ROOMNUMBER</primary></indexterm><programlisting>#define LU_ROOMNUMBER "roomNumber"
</programlisting>
<para>
User's room number, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-TELEPHONENUMBER:CAPS" role="macro"/>LU_TELEPHONENUMBER</title>
<indexterm><primary>LU_TELEPHONENUMBER</primary></indexterm><programlisting>#define LU_TELEPHONENUMBER "telephoneNumber"
</programlisting>
<para>
User's telephone number, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-HOMEPHONE:CAPS" role="macro"/>LU_HOMEPHONE</title>
<indexterm><primary>LU_HOMEPHONE</primary></indexterm><programlisting>#define LU_HOMEPHONE "homePhone"
</programlisting>
<para>
User's home telephone number, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="LU-EMAIL:CAPS" role="macro"/>LU_EMAIL</title>
<indexterm><primary>LU_EMAIL</primary></indexterm><programlisting>#define LU_EMAIL "mail"
</programlisting>
<para>
User's email address, a <link linkend="G-TYPE-STRING:CAPS"><literal>G_TYPE_STRING</literal></link>.
</para></refsect2>
<refsect2>
<title><anchor id="lu-ent-new" role="function"/>lu_ent_new ()</title>
<indexterm><primary>lu_ent_new</primary></indexterm><programlisting><link linkend="lu-ent-t">lu_ent_t</link>* lu_ent_new (void);</programlisting>
<para>
Creates a new, empty struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara>the created entity, which should be deallocated by <link linkend="lu-ent-free"><function>lu_ent_free()</function></link>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-free" role="function"/>lu_ent_free ()</title>
<indexterm><primary>lu_ent_free</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_free (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Frees an struct <link linkend="lu-ent"><type>lu_ent</type></link>, including all strings it owns.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>the entity to free
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-copy" role="function"/>lu_ent_copy ()</title>
<indexterm><primary>lu_ent_copy</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_copy (<link linkend="lu-ent-t">lu_ent_t</link> *source,
<link linkend="lu-ent-t">lu_ent_t</link> *dest);</programlisting>
<para>
Copies one struct <link linkend="lu-ent"><type>lu_ent</type></link> over another.
</para><variablelist role="params">
<varlistentry><term><parameter>source</parameter> :</term>
<listitem><simpara>the entity to copy
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>dest</parameter> :</term>
<listitem><simpara>the destination space, must be already allocated by <link linkend="lu-ent-new"><function>lu_ent_new()</function></link>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-commit" role="function"/>lu_ent_commit ()</title>
<indexterm><primary>lu_ent_commit</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_commit (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Sets pending attribute changes as current values of the entity.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-revert" role="function"/>lu_ent_revert ()</title>
<indexterm><primary>lu_ent_revert</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_revert (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Replaces all attributes with changes pending by their current values,
forgetting the pending changes.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-add" role="function"/>lu_ent_add ()</title>
<indexterm><primary>lu_ent_add</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_add (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);</programlisting>
<para>
Appends <parameter>value</parameter> to pending attribute <parameter>attr</parameter> in a struct <link linkend="lu-ent"><type>lu_ent</type></link> if <parameter>value</parameter>
is not yet in the list of <parameter>attr</parameter> values.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>value</parameter> :</term>
<listitem><simpara>new attribute value
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-add-current" role="function"/>lu_ent_add_current ()</title>
<indexterm><primary>lu_ent_add_current</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_add_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);</programlisting>
<para>
Appends <parameter>value</parameter> to current attribute <parameter>attr</parameter> in a struct <link linkend="lu-ent"><type>lu_ent</type></link> if <parameter>value</parameter>
is not yet in the list of <parameter>attr</parameter> values.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>value</parameter> :</term>
<listitem><simpara>new attribute value
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-clear" role="function"/>lu_ent_clear ()</title>
<indexterm><primary>lu_ent_clear</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_clear (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr);</programlisting>
<para>
Removes all values of pending attribute <parameter>attribute</parameter> from a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-clear-all" role="function"/>lu_ent_clear_all ()</title>
<indexterm><primary>lu_ent_clear_all</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_clear_all (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Removes all pending attributes from a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-clear-all-current" role="function"/>lu_ent_clear_all_current ()</title>
<indexterm><primary>lu_ent_clear_all_current</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_clear_all_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Removes all current attributes from a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-clear-current" role="function"/>lu_ent_clear_current ()</title>
<indexterm><primary>lu_ent_clear_current</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_clear_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr);</programlisting>
<para>
Removes all values of current attribute <parameter>attribute</parameter> from a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-del" role="function"/>lu_ent_del ()</title>
<indexterm><primary>lu_ent_del</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_del (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);</programlisting>
<para>
Removes a pending attribute <parameter>attr</parameter> value <parameter>value</parameter> from a struct <link linkend="lu-ent"><type>lu_ent</type></link>, if
present.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>value</parameter> :</term>
<listitem><simpara>attribute value
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-del-current" role="function"/>lu_ent_del_current ()</title>
<indexterm><primary>lu_ent_del_current</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_del_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValue">GValue</link> *value);</programlisting>
<para>
Removes a current attribute <parameter>attr</parameter> value <parameter>value</parameter> from a struct <link linkend="lu-ent"><type>lu_ent</type></link>, if
present.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>value</parameter> :</term>
<listitem><simpara>attribute value
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-dump" role="function"/>lu_ent_dump ()</title>
<indexterm><primary>lu_ent_dump</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_dump (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
<link linkend="FILE:CAPS">FILE</link> *fp);</programlisting>
<para>
Dumps an struct <link linkend="lu-ent"><type>lu_ent</type></link> to a file in text form, for debugging.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>the entity to dump
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>fp</parameter> :</term>
<listitem><simpara>destination file
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-get" role="function"/>lu_ent_get ()</title>
<indexterm><primary>lu_ent_get</primary></indexterm><programlisting><link linkend="GValueArray">GValueArray</link>* lu_ent_get (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);</programlisting>
<para>
Returns values associated with a pending attribute in a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attribute</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara>an array of values, valid at least until they are modified or
deleted. The array is never empty and it should not be freed by the caller.
Returns <link linkend="NULL:CAPS"><literal>NULL</literal></link> if the attribute is not present at all or on error.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-get-attributes" role="function"/>lu_ent_get_attributes ()</title>
<indexterm><primary>lu_ent_get_attributes</primary></indexterm><programlisting><link linkend="GList">GList</link>* lu_ent_get_attributes (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Returns a list of all pending attributes in a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara>a <link linkend="GList"><type>GList</type></link> of attribute names. The list (but not the strings
in the list) should be freed by the caller.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-get-attributes-current" role="function"/>lu_ent_get_attributes_current ()</title>
<indexterm><primary>lu_ent_get_attributes_current</primary></indexterm><programlisting><link linkend="GList">GList</link>* lu_ent_get_attributes_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent);</programlisting>
<para>
Returns a list of all current attributes in a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara>a <link linkend="GList"><type>GList</type></link> of attribute names. The list (but not the strings
in the list) should be freed by the caller.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-get-current" role="function"/>lu_ent_get_current ()</title>
<indexterm><primary>lu_ent_get_current</primary></indexterm><programlisting><link linkend="GValueArray">GValueArray</link>* lu_ent_get_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);</programlisting>
<para>
Returns values associated with a current attribute in a struct <link linkend="lu-ent"><type>lu_ent</type></link>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attribute</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara>a list of values, valid at least until they are modified or deleted.
The list should not be freed by the caller. Returns <link linkend="NULL:CAPS"><literal>NULL</literal></link> if the attribute is
not present at all or on error.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-has" role="function"/>lu_ent_has ()</title>
<indexterm><primary>lu_ent_has</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link> lu_ent_has (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);</programlisting>
<para>
Checks if a struct <link linkend="lu-ent"><type>lu_ent</type></link> has at least one pending attribute <parameter>attribute</parameter>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attribute</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara><link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if <parameter>attribute</parameter> has a value in <parameter>ent</parameter>.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-has-current" role="function"/>lu_ent_has_current ()</title>
<indexterm><primary>lu_ent_has_current</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link> lu_ent_has_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attribute);</programlisting>
<para>
Checks if a struct <link linkend="lu-ent"><type>lu_ent</type></link> has at least one current attribute <parameter>attribute</parameter>.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attribute</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara><link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if <parameter>attribute</parameter> has a value in <parameter>ent</parameter>.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-set" role="function"/>lu_ent_set ()</title>
<indexterm><primary>lu_ent_set</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_set (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValueArray">GValueArray</link> *values);</programlisting>
<para>
Replaces all pending attributes <parameter>attr</parameter> in a struct <link linkend="lu-ent"><type>lu_ent</type></link> by a copy of
<parameter>values</parameter>. If <parameter>values</parameter> is empty, it removes the pending attribute completely.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>values</parameter> :</term>
<listitem><simpara>an array of values
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="lu-ent-set-current" role="function"/>lu_ent_set_current ()</title>
<indexterm><primary>lu_ent_set_current</primary></indexterm><programlisting><link linkend="void">void</link> lu_ent_set_current (<link linkend="lu-ent-t">lu_ent_t</link> *ent,
const <link linkend="char">char</link> *attr,
const <link linkend="GValueArray">GValueArray</link> *values);</programlisting>
<para>
Replaces all current attributes <parameter>attr</parameter> in a struct <link linkend="lu-ent"><type>lu_ent</type></link> by a copy of
<parameter>values</parameter>. If <parameter>values</parameter> is empty, it removes the current attribute completely.
</para><variablelist role="params">
<varlistentry><term><parameter>ent</parameter> :</term>
<listitem><simpara>an entity
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>attr</parameter> :</term>
<listitem><simpara>attribute name
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>values</parameter> :</term>
<listitem><simpara>an array of values
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
<refsect1><refsect2 /><refsect2 /></refsect1>
</refentry>
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