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Routines for Accessing the
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Description:
The routine creates a new NDF placeholder via the ADAM parameter system, associates
it with a parameter, and returns an identifier for it. A placeholder is used to identify a
position in the underlying data system (HDS) and may be passed to other routines (e.g.
NDF_NEW) to indicate where a newly created NDF should be positioned.
Invocation
CALL NDF_CREPL( PARAM, PLACE, STATUS )
Arguments
PARAM = CHARACTER
(
)
(Given)
Name of the ADAM parameter.
PLACE = INTEGER (Returned)
NDF placeholder
identifying the nominated position in the data system.
STATUS = INTEGER (Given and Returned)
The global status.
Notes:
-
Placeholders are intended only for local use within an application and only a limited number of
them are available simultaneously. They are always annulled as soon as they are passed to
another routine to create a new NDF, where they are effectively exchanged for an NDF
identifier.
-
If this routine is called with STATUS set, then a value of NDF__NOPL will be returned for the PLACE
argument, although no further processing will occur. The same value will also be returned if the
routine should fail for any reason. The NDF__NOPL constant is defined in the include file NDF_PAR.
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