109 lines
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109 lines
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<meta name="abstract" content="This example changes the contents of information in the user area in the user space using a pointer." />
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<title>Example: Changing a user space with an ILE RPG program</title>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example: Changing a user space with an ILE RPG program</h1>
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<div><p>This example changes the contents of information in the user area
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in the user space using a pointer.</p>
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<div class="section"><div class="note"><span class="notetitle">Note:</span> Read the <a href="codedisclaimer.htm">Code license and disclaimer information</a> for important
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legal information.</div>
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<p>To change the user area of a user
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space as shown in the previous example with a call from an ILE RPG program,
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specify the following:</p>
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<pre>
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H*****************************************************************
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H*
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H* PROGRAM: CHANGUSPTR
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H*
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H* LANGUAGE: ILE RPG for i5/OS
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H*
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H* DESCRIPTION: CHANGE THE CONTENTS OF INFORMATION IN THE USER
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H* AREA IN THE USER SPACE USING A POINTER
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H*
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H*****************************************************************
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D*
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DUSRSPCNAM S 20 INZ('TEMPSPACE QTEMP ')
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DNEWVALUE S 64 INZ('Big String padded with blanks')
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DUSRSPCPTR S *
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DUSERAREA DS BASED(USRSPCPTR)
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D CHARFIELD 1 64
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D*
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D* Following QUSEC structure copied from QSYSINC library
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D*
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DQUSEC DS
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D* Qus EC
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D QUSBPRV 1 4B 0
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D* Bytes Provided
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D QUSBAVL 5 8B 0
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D* Bytes Available
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D QUSEI 9 15
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D* Exception Id
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D QUSERVED 16 16
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D* Reserved
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D* End of QSYSINC copy
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D*
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C*
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C* Initialize Error code structure to return error ids
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C*
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C Z-ADD 16 QUSBPRV
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C*
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C* Set USRSPCPTR to the address of the user space
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C*
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C CALL 'QUSPTRUS'
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C PARM USRSPCNAM
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C PARM USRSPCPTR
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C PARM QUSEC
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C*
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C* Check for successful setting of pointer
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C*
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C QUSBAVL IFGT 0
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C*
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C* If an error, then display the error message id
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C*
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C DSPLY QUSEI
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C ELSE
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C*
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C* Otherwise, update the user space via the based structure
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C*
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C MOVEL NEWVALUE USERAREA
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C END
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C*
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C* And return to our caller
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C*
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C SETON LR
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C RETURN
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</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="listChangeUser.htm" title="These examples illustrate how a user space can be changed.">Examples: Change a user space</a></div>
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