9.5 Querying Configuration Data

The gc_QueryConfigData( ) function provides limited query capability to obtain other configuration data based on known information. The search is limited to the given target object.

The main purpose of this function is helping the application find the protocol ID by name and the dynamic parameter ID by name. The source data and destination data point to a GC_PARM data structure.

The query ID also defines the data type of the source data and destination data used by the gc_QueryConfigData( ) function. For example, GCQUERY_PARM_NAME_TO_ID implies the source data is a character string, and the destination data is a GC_PARM_ID data structure.

Note: The gc_QueryConfigData( ) function cannot be called in asynchronous mode for the following target types: GCTGT_GCLIB_SYSTEM, GCTGT_CCLIB_SYSTEM, GCTGT_PROTOCOL_SYSTEM, and GCTGT_FIRMWARE_SYSTEM. The function returns invalid target type. The gc_QueryConfigData( ) function must be called in synchronous mode for these target types.

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