104 lines
5.4 KiB
HTML
104 lines
5.4 KiB
HTML
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<title>cwbRC_SetParm</title>
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<body id="cwbrc_setparm"><a name="cwbrc_setparm"><!-- --></a>
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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"><span class="apiname">cwbRC_SetParm</span></h1>
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<div><div class="section"><h4 class="sectiontitle">Purpose</h4><p>Set the parameter value identified by the
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index. The index will range from 0 to the total number of parameters - 1.
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This number can be obtained by calling the <span class="apiname">cwbRC_GetParmCount</span> API.
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Note that this function is to be used to change a parameter. Use <span class="apiname">cwbRC_AddParm</span> to
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create the parameter. </p>
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</div>
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<div class="section"><h4 class="sectiontitle">Syntax</h4><pre>
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unsigned int CWB_ENTRY cwbRC_SetParm(
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cwbRC_PgmHandle program,
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unsigned short index,
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unsigned short type,
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unsigned long length,
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const unsigned char *parameter);</pre>
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</div>
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<div class="section"><h4 class="sectiontitle">Parameters</h4><dl><dt class="dlterm">cwbRC_PgmHandle handle - input</dt>
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<dd>Handle that was returned by a previous call to the <span class="apiname">cwbRC_CreatePgm</span> API.
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It identifies the program object.</dd>
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<dt class="dlterm">unsigned short index - input</dt>
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<dd>The number of the specific parameter in this program that should be changed.
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This index is zero-based.</dd>
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<dt class="dlterm">unsigned short type - input</dt>
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<dd> The type of parameter this is. Use one of the defined parameter types: <ul><li>CWBRC_INPUT</li>
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<li>CWBRC_OUTPUT</li>
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<li>CWBRC_INOUT</li>
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</ul>
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If you want to automatically convert between local CCSID and host CCSID,
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add the appropriate convert flag to this field with a bitwise-OR. Use one
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of the defined parameter types: <ul><li>CWBRC_TEXT_CONVERT</li>
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<li>CWBRC_TEXT_CONVERT_INPUT</li>
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<li>CWBRC_TEXT_CONVERT_OUTPUT</li>
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</ul>
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The latter two are intended for use with CWBRC_INOUT when conversion
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is only needed in one direction.</dd>
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<dt class="dlterm">unsigned long length - input</dt>
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<dd>The length of the parameter. If this is an CWBRC_OUT parameter, the length
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should be the length of the buffer where the returned parameter will be
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written.</dd>
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<dt class="dlterm">const unsigned char * parameter - input</dt>
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<dd>Pointer to a buffer that will contain the value if the type is CWBRC_INPUT
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or CWBRC_INOUT, or the place where the return parameter is to be written if
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the type is CWBRC_OUTPUT or CWBRC_INOUT.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Return Codes</h4><p>The following list shows common return
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values.</p>
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<dl><dt class="dlterm">CWB_OK</dt>
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<dd>Successful completion.</dd>
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<dt class="dlterm">CWBRC_INVALID_PROGRAM</dt>
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<dd>Invalid program handle.</dd>
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<dt class="dlterm">CWBRC_INVALID_TYPE</dt>
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<dd>Invalid type specified.</dd>
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<dt class="dlterm">CWBRC_INVALID_PARM_LENGTH</dt>
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<dd>Invalid parameter length.</dd>
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<dt class="dlterm">CWBRC_INVALID_PARM</dt>
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<dd>Invalid parameter.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Usage</h4><p>Parameter data is assumed to be binary. No
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conversion will be performed on the parameter data unless one of the conversion
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flags is set. For example: </p>
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<pre> cwbRC_SetParm( hPgm,
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CWBRC_INOUT | CWBRC_TEXT_CONVERT_OUTPUT,
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bufferSize,
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buffer ); </pre>
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<p>will
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use the buffer as is to send to the host, and will convert the output (for
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example, to ASCII) before putting the result into the buffer.</p>
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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="rzaikrcdpcapilist3.htm" title="Use these APIs to access programs and their parameters.">Remote Command/Distributed Program Call: Access programs APIs list for iSeries Access for Windows</a></div>
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