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5179ba9563
* Quadrupled the length of strings in 'struct rd_cart' in the 'rivwebcapi' to accomodate UTF-8 characters.
391 lines
11 KiB
XML
391 lines
11 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<refentry id="stdin" xmlns="http://docbook.org/ns/docbook" version="5.0">
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<!--
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Header
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-->
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<refmeta>
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<refentrytitle>RD_EditCart</refentrytitle>
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<manvolnum>7</manvolnum>
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<refmiscinfo class='source'>October 2015</refmiscinfo>
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<refmiscinfo class='manual'>Rivendell C Library Manual</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>rd_editcart</refname>
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<refpurpose>Rivendell Edit Cart C Library Function</refpurpose>
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</refnamediv>
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<info>
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<author>
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<personname>
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<firstname>Todd</firstname>
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<surname>Baker</surname>
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<email>bakert@rfa.org</email>
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</personname>
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<contrib>Rivendell C Library Author</contrib>
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</author>
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</info>
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<!--
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Body
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-->
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<refsynopsisdiv id='synopsis'>
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<funcsynopsis>
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<funcsynopsisinfo>#include <rivwebcapi/rd_editcart.h></funcsynopsisinfo>
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<funcprototype>
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<funcdef>int <function>RD_EditCart</function></funcdef>
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<paramdef> struct rd_cart * <parameter>cart[]</parameter></paramdef>
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<paramdef> struct edit_cart_values <parameter>edit_cart_values</parameter></paramdef>
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<paramdef>const char <parameter>hostname[]</parameter></paramdef>
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<paramdef>const char <parameter>username[]</parameter></paramdef>
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<paramdef>const char <parameter>passwd[]</parameter></paramdef>
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<paramdef>const char <parameter>ticket[]</parameter></paramdef>
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<paramdef>const unsigned <parameter>cartnumber</parameter></paramdef>
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<paramdef>const char <parameter>user_agent[]</parameter></paramdef>
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<paramdef>unsigned * <parameter>numrecs</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1 id='description'><title>Description</title>
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<para>
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<command>RD_EditCart</command> is the function to use
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to edit the fields within a cart that already exists in the Rivendell Database.
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</para>
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<para>
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This function edits a pre-existing cart. User must provide the cart number and any fields which they would like to change. The structure edit_cart_values must be used to tell the API which fields will be changed.
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</para>
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<table xml:id="ex.editcart" frame="all">
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<title>RD_EditCart function call fields</title>
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<tgroup cols="4" align="left" colsep="1" rowsep="1">
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<colspec colname="FIELD NAME" />
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<colspec colname="FIELD TYPE" />
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<colspec colname="MEANING" />
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<colspec colname="REMARKS" />
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<thead>
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<row>
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<entry>
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FIELD NAME
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</entry>
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<entry>
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FIELD TYPE
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</entry>
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<entry>
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MEANING
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</entry>
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<entry>
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REMARKS
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</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>
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*rd_cart
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</entry>
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<entry>
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Pointer to rd_cart structure
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</entry>
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<entry>
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Memory location to store cart information
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</entry>
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<entry>
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Mandatory
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</entry>
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</row>
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<row>
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<entry>
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edit_cart_values
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</entry>
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<entry>
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edit_cart_values structure
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</entry>
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<entry>
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This structure contains the new cart information to update
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</entry>
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<entry>
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Mandatory
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</entry>
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</row>
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<row>
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<entry>
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hostname
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</entry>
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<entry>
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Character Array
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</entry>
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<entry>
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Name Of Rivendell DB Host
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</entry>
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<entry>
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Mandatory
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</entry>
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</row>
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<row>
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<entry>
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username
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</entry>
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<entry>
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Character Array
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</entry>
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<entry>
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Rivendell User Name
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</entry>
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<entry>
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Mandatory When NO Ticket Provided
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</entry>
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</row>
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<row>
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<entry>
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passwd
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</entry>
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<entry>
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Character Array
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</entry>
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<entry>
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Rivendell User Password
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</entry>
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<entry>
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Mandatory When NO Ticket Provided
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</entry>
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</row>
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<row>
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<entry>
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ticket
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</entry>
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<entry>
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Character Array
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</entry>
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<entry>
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Rivendell Authentification Ticket
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</entry>
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<entry>
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Mandatory When NO User/Password Pair Provided.
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</entry>
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</row>
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<row>
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<entry>
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cartnumber
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</entry>
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<entry>
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unsigned integer
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</entry>
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<entry>
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Cart Number
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</entry>
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<entry>
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Mandatory
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</entry>
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</row>
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<row>
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<entry>
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user_agent
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</entry>
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<entry>
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Character Array
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</entry>
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<entry>
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User Agent Value put into HTTP request
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</entry>
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<entry>
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Optional (default is Rivendell-C-API/x.x.x)
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</entry>
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</row>
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<row>
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<entry>
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*numrecs
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</entry>
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<entry>
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pointer to integer
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</entry>
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<entry>
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memory location for number of records returned
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</entry>
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<entry>
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Mandatory
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</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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<para>
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This routine expects an input structure of type edit_cart_values - listed below.
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Each field has a boolean flag field (starting with use_) which designates whether
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to update the field's value or not. One (1) = true - Use the value in the field or
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Zero (0) - Ignore the field.
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</para>
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<para>
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The edit_cart_values structure must be pre-filled with zeroes and has
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the following format:
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</para>
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<programlisting>
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struct edit_cart_values {
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char cart_grp_name[41];
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int use_cart_grp_name;
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char cart_title[1021];
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int use_cart_title;
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char cart_artist[1021];
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int use_cart_artist;
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char cart_album[1021];
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int use_cart_album;
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int cart_year;
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int use_cart_year;
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char cart_label[257];
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int use_cart_label;
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char cart_client[257];
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int use_cart_client;
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char cart_agency[257];
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int use_cart_agency;
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char cart_publisher[257];
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int use_cart_publisher;
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char cart_composer[257];
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int use_cart_composer;
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char cart_conductor[257];
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int use_cart_conductor;
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char cart_user_defined[1021];
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int use_cart_user_defined;
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int cart_usage_code;
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int use_cart_usage_code;
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int cart_forced_length;
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int use_cart_forced_length;
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int cart_enforce_length;
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int use_cart_enforce_length;
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int cart_asyncronous;
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int use_cart_asyncronous;
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char cart_owner[257];
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int use_cart_owner;
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char cart_notes[4096];
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int use_cart_notes;
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};
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</programlisting>
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<para>
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When successful function will return the number of records sent (numrecs) and a rd_cart structure which
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is stored in the provided memory locations. The rd_cart structure has the following fields:
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</para>
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<programlisting>
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struct rd_cart {
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unsigned cart_number; /* Cart Number */
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unsigned cart_type; /* Cart Type */
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char cart_grp_name[41]; /* Group Name */
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char cart_title[1021]; /* Cart Title */
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char cart_artist[1021]; /* Artist */
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char cart_album[1021]; /* Album */
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int cart_year; /* Year */
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char cart_label[257]; /* Label */
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char cart_client[257]; /* Client */
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char cart_agency[257]; /* Agency */
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char cart_publisher[257]; /* Publisher */
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char cart_composer[257]; /* Composer */
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char cart_conductor[257]; /* Conductor */
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char cart_user_defined[1021]; /* User Defined */
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int cart_usage_code; /* Usage Code */
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int cart_forced_length; /* Forced Length */
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int cart_average_length; /* AverageLength */
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int cart_length_deviation; /* Length Deviation */
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int cart_average_segue_length; /* Average Segue Length */
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int cart_average_hook_length; /* Average Hook Length */
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unsigned cart_cut_quantity; /* Cut Quantity */
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unsigned cart_last_cut_played; /* Last Cut Played */
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unsigned cart_validity; /* Validity */
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int cart_enforce_length; /* Enforce Length Flag */
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int cart_asyncronous; /* Asyncronous Flag */
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char cart_owner[257]; /* Owner */
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char cart_notes[4096]; /* Notes */
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};
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All character arrays above are the sizes listed and are null-terminated.
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Character encoding is UTF-8.
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The cart number is a unsigned integer.
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The cart_type is 1=Audio,2=Macro.
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The cart_grp_name must be a valid Rivendell DB Group.
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The cart_title is 255 characters.
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The cart_artist is 255 characters.
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The cart_album is 255 characters.
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The cart_year is a date (YYYY).
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The cart_label is 64 characters.
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The cart_client is 64 characters.
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The cart_agency is 64 characters.
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The cart_publisher is 64 characters.
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The cart_composer is 64 characters.
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The cart_conductor is 64 characters.
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The cart_user_defined is 255 characters.
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The cart_usage_code is 0=Feature, 1=Theme Open,
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2=Theme Close, 3=Theme Open/Close,
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4=Background, 5=Comm/Promo
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The cart_forced_length is in milliseconds.
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The cart_average_length is in milliseconds.
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The cart_length_deviation is in milliseconds.
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The cart_average_segue_length is in milliseconds.
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The cart_average_hook_length is in milliseconds.
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The cart_cut_quantity is number of cuts.
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The cart_last_cut_played is self explanatory.
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The cart_validity is 0=NeverValid, 1=Conditional, 2=AlwaysValid
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3=EvergreenValid, 4=FutureValid
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The cart_enforce_length is True(1) or False(0).
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The cart_asyncronous is True(1) or False(0).
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The cart_owner is 64 characters.
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The cart_user_notes is a character array up to 1024 characters.
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</programlisting>
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</refsect1>
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<refsect2 id='returns'><title>RETURN VALUE</title>
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<para>
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On success, zero is returned. Using the provided parameters an rd_cart
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structure is returned and the number of records is returned.
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</para>
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<para>
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If a server error occurs a -1 is returned.
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If a client error occurs a specific error number is returned.
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</para>
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</refsect2>
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<refsect3 id='errors'><title>ERRORS</title>
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<para>
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400 Invalid Input Parameter.
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</para>
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<para>
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403 User Authentification Error.
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</para>
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<para>
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404 Unauthorized or No Such Group / Cart Exists.
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</para>
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<para>
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409 Cart Out Of Range.
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</para>
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<para>
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500 Unable to Create Cart.
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</para>
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<para>
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nnn Unknown Error Occurred.
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</para>
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</refsect3>
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</refentry>
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