432 lines
13 KiB
HTML
432 lines
13 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>QsyFindValidationLstEntry()--Find Validation List Entry API</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- Sec SCRIPT A converted by B2H R4.1 (346) (CMS) by V2KEA304 -->
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<!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- Edited by Kersten Jan 02 -->
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<!--End Header Records -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<a name="Top_Of_Page"></a>
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<!-- Java sync-link -->
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<script type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<h2>QsyFindValidationLstEntry()--Find Validation List Entry API</h2>
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<div class="box" style="width: 60%;">
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<br>
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Syntax<br>
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<pre>
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#include <qsyvldl.h>
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int QsyFindValidationLstEntry
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(Qsy_Qual_Name_T *<em>Validation_Lst</em>,
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Qsy_Entry_ID_Info_T *<em>Entry_ID</em>,
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Qsy_Rtn_Vld_Lst_Ent_T *<em>Rtn_Entry</em>);
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</pre>
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Service Program Name: QSYVLDL<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE <br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: Yes<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <strong>QsyFindValidationLstEntry()</strong> function finds an entry in
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a validation list object. The function then returns the information for the
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entry in the buffer that is pointed to by the <em>Rtn_Entry</em> parameter. To
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find an entry, there must be an exact match in the entry for the value that is
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specified in the <em>Entry_ID</em> parameter and the length of the entry ID.
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For example, an entry ID value of "SMITH" with a length of 5 would not find an
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entry where the entry ID is "SMITH " and the length is 7.<br>
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</p>
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<h3>Authorities</h3>
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<dl>
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<dt><em>Validation List Object</em></dt>
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<dd>*USE<br>
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<br>
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</dd>
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<dt><em>Validation List Object Library</em></dt>
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<dd>*EXECUTE<br>
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</dd>
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</dl>
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<p><strong>Note:</strong> If the QsyEncryptData attribute is set to
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QSY_VFY_FIND_E (1), then the user must have *USE, *ADD, and *UPD authority to
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the validation list to get the data to be encrypted returned in the
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<em>Rtn_Entry</em> parameter.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>Validation_Lst</strong></dt>
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<dd>(Input)
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<p>A pointer to the qualified object name of the validation list in which to
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find the entry. The first 10 characters specify the validation list name, and
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the second 10 characters specify the library. You can use these special values
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for the library name:</p>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td align="left" valign="top"><em>*CURLIB</em></td>
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<td align="left" valign="top">The current library is used to locate the
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validation list. If there is no current library, QGPL (general purpose library)
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is used.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>*LIBL</em></td>
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<td align="left" valign="top">The library list is used to locate the validation
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list.</td>
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</tr>
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</table>
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<br>
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</dd>
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<dt><strong><a name="entry_id">Entry_ID</a></strong></dt>
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<dd>(Input)
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<p>A pointer to the entry ID information. The format of the Qsy_Entry_ID_Info_T
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structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="15 20 65" -->
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<tr>
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<td align="left" valign="top">int</td>
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<td align="left" valign="top">Entry_ID_Len</td>
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<td align="left" valign="top">The number of bytes of data that is provided as
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the entry ID. Possible values are from 1 through 100.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned int</td>
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<td align="left" valign="top">Entry_ID_CCSID</td>
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<td align="left" valign="top">An integer that represents the CCSID for the
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entry ID. Valid CCSID values are in the range 0 through 65535. This value is
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not used to find the entry.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned char</td>
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<td align="left" valign="top">Entry_ID[100]</td>
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<td align="left" valign="top">The data that is used to identify this entry in
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the validation list.</td>
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</tr>
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</table>
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<br>
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<br>
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</dd>
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<dt><strong>Rtn_Entry</strong></dt>
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<dd>(Output)
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<p>A pointer to the buffer where the entry information is placed. The buffer
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must be allocated to the size of the <em>Qsy_Rtn_Vld_Lst_Ent_T</em> structure
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or the results will be unpredictable. The format of the
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<em>Qsy_Rtn_Vld_Lst_Ent_T</em> structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="30 20 50" -->
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<tr>
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<td align="left" valign="top">Qsy_Entry_ID_Info_T</td>
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<td align="left" valign="top">Entry_ID_Info</td>
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<td align="left" valign="top">The entry ID information structure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">Qsy_Entry_Encr_Data_Info_T</td>
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<td align="left" valign="top">Encr_Data_Info</td>
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<td align="left" valign="top">The data to be encrypted information
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structure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">Qsy_Entry_Data_Info_T</td>
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<td align="left" valign="top">Entry_Data_Info</td>
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<td align="left" valign="top">The entry data information structure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">char</td>
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<td align="left" valign="top">Reserved[4]</td>
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<td align="left" valign="top">This is an ignored field.</td>
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</tr>
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<tr>
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<td align="left" valign="top">void *</td>
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<td align="left" valign="top">Entry_More_Info</td>
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<td align="left" valign="top">A pointer to additional information. This pointer
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is currently set to NULL.</td>
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</tr>
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</table>
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<p>See the <a href="#entry_id">Entry_ID</a> parameter for the format of the
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Qsy_Entry_ID_Info_T structure.</p>
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<p>The format of the Qsy_Entry_Encr_Data_Info_T structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="15 20 65" -->
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<tr>
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<td align="left" valign="top">int</td>
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<td align="left" valign="top">Encr_Data_Len</td>
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<td align="left" valign="top">The
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number of bytes of encrypted data that is stored in this validation list entry.
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If the QsyEncryptData attribute is 0 or the QRETSVRSEC system value is '0', the
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length will always be 0.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned int</td>
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<td align="left" valign="top">Encr_Data_CCSID</td>
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<td align="left" valign="top">The CCSID associated with the encrypted
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data.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned char</td>
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<td align="left" valign="top">Encr_Data[600]</td>
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<td align="left" valign="top">If the
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QsyEncryptData attribute is 1 and the QRETSVRSEC system value is '1', then the
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encrypted data that is stored in the entry will be decrypted and returned in
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this field. If the QsyEncryptData attribute is 0 or the QRETSVRSEC system value
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is '0', then the encrypted data cannot be returned, and the contents of this
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field are unpredictable.</td>
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</tr>
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</table>
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<p>The format of the Qsy_Entry_Data_Info_T structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="15 20 65" -->
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<tr>
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<td align="left" valign="top">int</td>
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<td align="left" valign="top">Entry_Data_Len</td>
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<td align="left" valign="top">The length of the entry data.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned int</td>
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<td align="left" valign="top">Entry_Data_CCSID</td>
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<td align="left" valign="top">The CCSID associated with the entry data.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned char</td>
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<td align="left" valign="top">Entry_Data[1000]</td>
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<td align="left" valign="top">The entry data.</td>
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</tr>
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</table>
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</dd>
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</dl>
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<br>
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<br>
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<h3>Return Value</h3>
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<table cellpadding="5">
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<!-- cols="5 95" -->
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<tr>
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<td align="left" valign="top"><em>0</em></td>
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<td align="left" valign="top"><strong>QsyFindValidationLstEntry()</strong> was
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successful. The return value points to the entry.</td>
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</tr>
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<tr>
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<td align="left" valign="top" nowrap><em>-1</em></td>
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<td align="left" valign="top"><strong>QsyFindValidationLstEntry()</strong> was
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not successful. The <em>errno</em> global variable is set to indicate the
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error.</td>
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</tr>
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</table>
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<br>
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<br>
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<h3>Error Conditions</h3>
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<p>If <strong>QsyFindValidationLstEntry()</strong> is not successful,
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<em>errno</em> indicates one of the following errors:</p>
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<table cellpadding="5">
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<!-- cols="10 90" -->
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<tr>
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<td align="left" valign="top"><em>3401</em></td>
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<td align="left" valign="top">[EACCES]
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<p>The current user does not have *USE authority to the validation list object,
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or does not have *EXECUTE authority to the validation list object library.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3406</em></td>
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<td align="left" valign="top">[EAGAIN]
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<p>The validation list object is currently locked by another process.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3484</em></td>
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<td align="left" valign="top">[EDAMAGE]
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<p>The validation list object is damaged.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3021</em></td>
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<td align="left" valign="top">[EINVAL]
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<p>Parameter value is not valid.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3025</em></td>
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<td align="left" valign="top">[ENOENT]
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<p>The validation list object was not found.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3026</em></td>
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<td align="left" valign="top">[ENOREC]
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<p>Specified entry does not exist.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3474</em></td>
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<td align="left" valign="top">[EUNKNOWN]
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<p>Unknown system state. Check the job log for a CPF9872 message.</p>
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</td>
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</tr>
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</table>
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<br>
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<h3>Example</h3>
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<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
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for information pertaining to code examples.</p>
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<p>The following example finds all the entries in the validation list object
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WEBUSRS where the entry ID starts with 'abc'.</p>
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<pre>
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#include <qsyvldl.h>
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#include <errno.h>
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main()
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{
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#define VLD_LST "WEBUSRS WEBLIB "
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Qsy_Rtn_Vld_Lst_Ent_T entry_1;
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Qsy_Rtn_Vld_Lst_Ent_T entry_2;
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Qsy_Rtn_Vld_Lst_Ent_T *input_info,
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*output_info,
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*temp;
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Qsy_Entry_ID_Info_T *input_entry;
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short int i;
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int rtn_errno;
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/* Set up entry ID to find. */
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|
strncpy(entry_1.Entry_ID_Info.Entry_ID,"abc",3);
|
||
|
|
entry_1.Entry_ID_Info.Entry_ID_Len = 3;
|
||
|
|
|
||
|
|
/* Initialize pointers to input and output buffers. */
|
||
|
|
input_info = addr(entry_1);
|
||
|
|
output_info = addr(entry_2);
|
||
|
|
|
||
|
|
/* Try to find an entry for 'abc'. */
|
||
|
|
rtn_errno = QsyFindValidationLstEntry(
|
||
|
|
(Qsy_Qual_Name_T *)&VLD_LST,
|
||
|
|
&entry_1.Entry_ID_Info,
|
||
|
|
output_info))
|
||
|
|
/* If an 'abc' entry does not exist. */
|
||
|
|
if (0 != rtn_errno && ENOREC == errno)
|
||
|
|
/* Find the next entry after 'abc'. */
|
||
|
|
rtn_errno = QsyFindNextValidationLstEntry(
|
||
|
|
(Qsy_Qual_Name_T *)&VLD_LST,
|
||
|
|
&entry_1.Entry_ID_Info,
|
||
|
|
output_info))
|
||
|
|
|
||
|
|
while (0 == rtn_errno &&
|
||
|
|
3 <= output_info->Entry_ID_Info.Entry_ID_Len &&
|
||
|
|
0 == strncmp(output_info->Entry_ID_Info.Entry_ID,"abc",3))
|
||
|
|
{ /* Process all the entries in the validation list that */
|
||
|
|
/* begin with 'abc'. */
|
||
|
|
.
|
||
|
|
.
|
||
|
|
.
|
||
|
|
(process the entry)
|
||
|
|
.
|
||
|
|
.
|
||
|
|
.
|
||
|
|
/* Switch the pointers to the buffers so that the output from */
|
||
|
|
/* the last find operation is used as input to the 'find-next' */
|
||
|
|
/* operation. */
|
||
|
|
temp = output_info;
|
||
|
|
output_info = input_info;
|
||
|
|
input_info = temp;
|
||
|
|
|
||
|
|
/* Find the next entry. */
|
||
|
|
rtn_errno = QsyFindNextValidationLstEntry(
|
||
|
|
(Qsy_Qual_Name_T *)&VLD_LST,
|
||
|
|
&(input_info->Entry_ID_Info),
|
||
|
|
output_info))
|
||
|
|
}
|
||
|
|
/* Check if an error occurred. */
|
||
|
|
if (0 != rtn_errno && ENOREC != errno)
|
||
|
|
perror("Find of validation list entry");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
<hr>
|
||
|
|
API introduced: V4R1
|
||
|
|
|
||
|
|
<hr>
|
||
|
|
<center>
|
||
|
|
<table cellpadding="2" cellspacing="2">
|
||
|
|
<tr align="center">
|
||
|
|
<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
|
||
|
|
"sec.htm">Security APIs</a> | <a href="aplist.htm">APIs by category</a></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</center>
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
|