186 lines
4.3 KiB
HTML
186 lines
4.3 KiB
HTML
<!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>xdr_wrapstring()--Call the xdr_string() Function</title>
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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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>xdr_wrapstring()--Call the xdr_string() Function</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 <rpc/xdr.h>
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bool_t xdr_wrapstring(XDR *<em>xdrs</em>,
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char **<em>sp</em>);
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</pre>
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<br>
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Service Program Name: QZNFTRPC<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: No<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <strong>xdr_wrapstring()</strong> function is a primitive that calls the
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<strong>xdr_string</strong>(<em>xdr, sp, maxuint</em>) API, where
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<em>maxuint</em> is the maximum value of an unsigned integer. The
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<strong>xdr_wrapstring()</strong> is useful where a translation of xdrproc_t is
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required. xdrproc_t has only two parameters while the
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<strong>xdr_string()</strong> function requires three.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>xdrs</strong> (Input) </dt>
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<dd>A pointer to the eXternal Data Representation (XDR) stream handle.<br>
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<br>
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</dd>
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<dt><strong>sp</strong> (I/O) </dt>
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<dd>The address of the pointer to the string. If decoding and *sp==NULL, XDR
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allocated memory for the decoded string.</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>No authorization is required.</p>
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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="15 85" -->
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<tr>
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<td valign="top"><em>TRUE (1)</em> </td>
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<td valign="top">Successful</td>
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</tr>
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<tr>
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<td valign="top"><em>FALSE (0)</em> </td>
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<td valign="top">Unsuccessful</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>None.</p>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td width="15%" valign="top">CPE3418 E</td>
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<td width="85%" valign="top">Possible APAR condition or hardware failure.</td>
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</tr>
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<tr>
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<td valign="top">CPF3CF2 E</td>
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<td valign="top">Error(s) occurred during running of &1 API.</td>
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</tr>
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<tr>
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<td valign="top">CPF9872 E</td>
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<td valign="top">Program or service program &1 in library &2 ended.
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Reason code &3.</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>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 shows how <strong>xdr_wrapstring()</strong> is
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used:</p>
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<pre>
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#include <stdio.h>
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#include <xdr.h>
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#define MAX_LENGTH 100
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typedef struct address
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{
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char street[MAX_LENGTH];
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int number;
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int apartment;
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} address ;
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bool_t xdr_address(XDR *xdrs, address *p_address)
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{
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if!(<strong>xdr_wrapstring</strong>(xdrs,&(p_address->street)))
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return FALSE;
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if(!xdr_int(xdrs,&(p_address->number)))
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return FALSE;
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return xdr_int(xdrs,&(p_address->apartment));
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}
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</pre>
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<br>
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<hr>
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API introduced: V4R2
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<hr>
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<table cellpadding="2" cellspacing="2" align="center">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"rpc1.htm">Remote Procedure Call (RPC) APIs</a> | <a href="aplist.htm">APIs by
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category</a></td>
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</tr>
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</table>
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</body>
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</html>
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