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ibm-information-center/dist/eclipse/plugins/i5OS.ic.apis_5.4.0.1/eimlistregistryaliases.htm

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
<title>eimListRegistryAliases()--List EIM Registry Aliases</title>
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<!-- Created by Therese Dalton on 17 July 2001 -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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<body>
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<a name="Top_Of_Page"></a>
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<h2> eimListRegistryAliases()--List
EIM Registry Aliases</h2>
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<!-- S Y N T A X / P A R M T A B L E -->
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<div class="box" style="width: 80%;">
<br>
&nbsp;&nbsp;Syntax
<pre>
#include &lt;eim.h&gt;
int eimListRegistryAliases(EimHandle * <em>eim</em>,
char * <em>registryName</em>,
unsigned int <em>lengthOfListData</em>,
EimList * <em>listData</em>,
EimRC * <em>eimrc</em>)
</pre>
&nbsp;&nbsp;Service Program Name: QSYS/QSYEIM<br>
<!-- iddvc RMBR -->
<br>
&nbsp;&nbsp;Default Public Authority: *USE<br>
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<br>
&nbsp;&nbsp;Threadsafe: Yes<br>
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<br>
</div>
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<!-- -->
<!-- D E S C R I P T I O N -->
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<p>The <strong>eimListRegistriesAliases()</strong> function returns a list of
all the aliases defined for a particular registry.</p>
<br>
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<!-- -->
<!-- A U T H O R I T I E S A N D L O C K S -->
<!-- -->
<!-- ============================================================== -->
<h3>Authorities and Locks</h3>
<dl>
<dt><em>EIM Data</em></dt>
<dd>Access to EIM data is controlled by EIM access groups. LDAP administrators
also have access to EIM data. The access groups whose members have authority to
the EIM data for this API follow:
<ul>
<li>EIM Administrator</li>
<li>EIM Registries Administrator</li>
<li>EIM Identifiers Administrator</li>
<li>EIM Mapping Lookup</li>
<li>EIM authority to an individual registry</li>
</ul>
<p>The list returned contains only the information that the user has authority
to access.</p>
</dd>
</dl>
<br>
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<!-- P A R A M E T E R S -->
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<h3>Parameters</h3>
<dl><!-- ============================================================== -->
<!-- eim -->
<!-- ============================================================== -->
<dt><strong>eim</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The EIM handle returned by a previous call to eimCreateHandle(). A valid
connection is required for this function.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- registryName -->
<!-- ============================================================== -->
<dt><strong>registryName</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The name of the registry for which to list aliases.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- lengthOfListData -->
<!-- ============================================================== -->
<dt><strong>lengthOfListData</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The number of bytes provided by the caller for the <em>listData</em>
parameter. The minimum size required is 20 bytes.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- listData -->
<!-- ============================================================== -->
<dt><strong>listData</strong>&nbsp;&nbsp;(Output)</dt>
<dd>A pointer to the data to be returned.
<p>The EimList structure contains information about the returned data. The API
will return as much data as space has been provided. The data returned is a
linked list of EimRegistryAlias structures. firstEntry is used to get to the
first EimRegistryAlias structure in the linked list.</p>
<p>EimList structure:</p>
<pre>
typedef struct EimList
{
unsigned int bytesReturned; /* Number of bytes actually returned
by the API */
unsigned int bytesAvailable; /* Number of bytes of available data
that could have been returned by
the API */
unsigned int entriesReturned; /* Number of entries actually
returned by the API */
unsigned int entriesAvailable; /* Number of entries available to be
returned by the API */
unsigned int firstEntry; /* Displacement to the first linked
list entry. This byte offset is
relative to the start of the
EimList structure. */
} EimList;
</pre>
<!-- ============================================================== -->
<!-- EimRegistryAlias -->
<!-- ============================================================== -->
<p>EimRegistryAlias structure:</p>
<pre>
typedef struct EimRegistryAlias
{
unsigned int nextEntry; /* Displacement to next entry. This
byte offset is relative to the
start of this structure */
EimListData type; /* Alias type */
EimListData value; /* Alias value */
} EimRegistryAlias;
</pre>
<!-- ============================================================== -->
<!-- EimListData -->
<!-- ============================================================== -->
<p>EimListData structure:</p>
<pre>
typedef struct EimListData
{
unsigned int length; /* Length of data */
unsigned int disp; /* Displacement to data. This byte
offset is relative to the start of
the parent structure; that is, the
structure containing this
structure. */
} EimListData;
</pre>
<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- eimrc -->
<!-- ============================================================== -->
<dt><strong>eimrc</strong>&nbsp;&nbsp;(Input/Output)</dt>
<dd>The structure in which to return error code information. If the return
value is not 0, eimrc is set with additional information. This parameter may be
NULL. For the format of the structure, see <a href="eimrc.htm">EimRC--EIM
Return Code Parameter</a>.<br>
<br>
</dd>
</dl>
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<!-- -->
<!-- R E T U R N V A L U E -->
<!-- -->
<!-- ============================================================== -->
<h3>Return Value</h3>
<p>The return value from the API. Following each return value is the list of
possible values for the <samp>messageCatalogMessageID</samp> field in the
<em>eimrc</em> parameter for that value.</p>
<dl><!-- ============================================================== -->
<!-- 0 -->
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<dt><strong>0</strong></dt>
<dd>Request was successful.<br>
<br>
</dd>
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<!-- EACCES -->
<!-- ============================================================== -->
<dt><strong>EACCES</strong></dt>
<dd>Access denied. Not enough permissions to access data.<br>
<br>
<table cellpadding="5">
<!-- cols="25 75" -->
<tr>
<td align="left" valign="top"><em>EIMERR_ACCESS (1)</em></td>
<td align="left" valign="top">Insufficient access to EIM data.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EBADDATA -->
<!-- ============================================================== -->
<dt><strong>EBADDATA</strong></dt>
<dd>eimrc is not valid.<br>
<br>
</dd>
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<!-- EBADNAME -->
<!-- ============================================================== -->
<dt><strong>EBADNAME</strong></dt>
<dd>Registry not found or insufficient access to EIM data.<br>
<br>
<table cellpadding="5">
<!-- cols="25 75" -->
<tr>
<td align="left" valign="top"><em>EIMERR_NOREG (28)</em></td>
<td align="left" valign="top">EIM Registry not found or insufficient access to
EIM data.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EBUSY -->
<!-- ============================================================== -->
<dt><strong>EBUSY</strong></dt>
<dd>Unable to allocate internal system object.<br>
<br>
<table cellpadding="5">
<!-- cols="25 75" -->
<tr>
<td align="left" valign="top"><em>EIMERR_NOLOCK (26)</em></td>
<td align="left" valign="top">Unable to allocate internal system object.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- ECONVERT -->
<!-- ============================================================== -->
<dt><strong>ECONVERT</strong></dt>
<dd>Data conversion error.<br>
<br>
<table cellpadding="5">
<!-- cols="35 65" -->
<tr>
<td align="left" valign="top"><em>EIMERR_DATA_CONVERSION (13)</em></td>
<td align="left" valign="top">Error occurred when converting data between code
pages.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EINVAL -->
<!-- ============================================================== -->
<dt><strong>EINVAL</strong></dt>
<dd>Input parameter was not valid.<br>
<br>
<table cellpadding="5">
<!-- cols="35 65" -->
<tr>
<td align="left" valign="top"><em>EIMERR_EIMLIST_SIZE (16)</em></td>
<td align="left" valign="top">Length of EimList is not valid. EimList must be
at least 20 bytes in length.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_HANDLE_INVAL (17)</em></td>
<td align="left" valign="top">EimHandle is not valid.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_PARM_REQ (34)</em></td>
<td align="left" valign="top">Missing required parameter. Please check API
documentation.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_PTR_INVAL (35)</em></td>
<td align="left" valign="top">Pointer parameter is not valid.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_SPACE (41)</em></td>
<td align="left" valign="top">Unexpected error accessing parameter.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- ENOMEM -->
<!-- ============================================================== -->
<dt><strong>ENOMEM</strong></dt>
<dd>Unable to allocate required space.<br>
<br>
<table cellpadding="5">
<!-- cols="25 75" -->
<tr>
<td align="left" valign="top"><em>EIMERR_NOMEM (27)</em></td>
<td align="left" valign="top">No memory available. Unable to allocate required
space.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- ENOTCONN -->
<!-- ============================================================== -->
<dt><strong>ENOTCONN</strong></dt>
<dd>LDAP connection has not been made.<br>
<br>
<table cellpadding="5">
<!-- cols="25 75" -->
<tr>
<td align="left" valign="top"><em>EIMERR_NOT_CONN (31)</em></td>
<td align="left" valign="top">Not connected to LDAP. Use eimConnect() API and
try the request again.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EUNKNOWN -->
<!-- ============================================================== -->
<dt><strong>EUNKNOWN</strong></dt>
<dd>Unexpected exception.<br>
<br>
<table cellpadding="5">
<!-- cols="25 75" -->
<tr>
<td align="left" valign="top"><em>EIMERR_LDAP_ERR (23)</em></td>
<td align="left" valign="top">Unexpected LDAP error. %s</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_UNKNOWN (44)</em></td>
<td align="left" valign="top">Unknown error or unknown system state.</td>
</tr>
</table>
</dd>
</dl>
<br>
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<!-- -->
<!-- U S A G E N O T E S -->
<!-- -->
<!-- ============================================================== -->
<!-- ============================================================== -->
<!-- -->
<!-- R E L A T E D I N F O R M A T I O N -->
<!-- -->
<!-- ============================================================== -->
<h3>Related Information</h3>
<ul>
<li><a href="eimchangeregistryalias.htm">eimChangeRegistryAlias()</a> --Change
EIM Registry Alias<br>
<br>
</li>
<li><a href="eimgetregistrynamefromalias.htm">eimGetRegistryNameFromAlias()</a>
--Get EIM Registry Name from an Alias<br>
<br>
</li>
</ul>
<br>
<!-- ============================================================== -->
<!-- -->
<!-- E X A M P L E -->
<!-- -->
<!-- ============================================================== -->
<h3>Example</h3>
<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
for information pertaining to code examples.</p>
<p>The following example lists all aliases for the specified registry.</p>
<pre>
#include &lt;eim.h&gt;
#include &lt;stddef.h&gt;
#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
void printListResults(EimList * list);
void printListData(char * fieldName,
void * entry,
int offset);
int main(int argc, char *argv[])
{
int rc;
char eimerr[100];
EimRC * err;
EimHandle * handle;
<em>/* Get eim handle from input arg. */</em>
<em>/* This handle is already connected to EIM. */</em>
handle = (EimHandle *)argv[1];
<em>/* Set up error structure. */</em>
memset(eimerr,0x00,100);
err = (EimRC *)eimerr;
err-&gt;memoryProvidedByCaller = 100;
<em>/* Get all aliases for the registry */</em>
if (0 != (rc = eimListRegistryAliases(handle,
"MyRegistry",
1000,
list,
err)))
{
printf("List registry aliases error = %d", rc);
return -1;
}
<em>/* Print the results */</em>
printListResults(list);
return 0;
}
void printListResults(EimList * list)
{
int i;
EimRegistryAlias * entry;
printf("___________\n");
printf(" bytesReturned = %d\n", list-&gt;bytesReturned);
printf(" bytesAvailable = %d\n", list-&gt;bytesAvailable);
printf(" entriesReturned = %d\n", list-&gt;entriesReturned);
printf(" entriesAvailable = %d\n", list-&gt;entriesAvailable);
printf("\n");
entry = (EimRegistryAlias *)((char *)list + list-&gt;firstEntry);
for (i = 0; i &lt; list-&gt;entriesReturned; i++)
{
<em>/* Print out results */</em>
printListData("Registry Alias Type",
entry,
offsetof(EimRegistryAlias, type));
printListData("Registry Alias Value",
entry,
offsetof(EimRegistryAlias, value));
<em>/* advance to next entry */</em>
entry = (EimRegistryAlias *)((char *)entry + entry-&gt;nextEntry);
}
printf("\n");
}
void printListData(char * fieldName,
void * entry,
int offset)
{
EimListData * listData;
char * data;
int dataLength;
printf(" %s = ",fieldName);
<em>/* Address the EimListData object */</em>
listData = (EimListData *)((char *)entry + offset);
<em>/* Print out results */</em>
data = (char *)entry + listData-&gt;disp;
dataLength = listData-&gt;length;
if (dataLength &gt; 0)
printf("%.*s\n",dataLength, data);
else
printf("Not found.\n");
}
</pre>
<br>
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<!-- F O O T E R -->
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<!-- ============================================================== -->
<hr>
API introduced: V5R2
<hr>
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