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H5M_GET_COUNT

Retrieves the number of key-value pairs in a map object

Procedure:

H5M_GET_COUNT(map_id, count, dxpl_t)

Signature:

herr_t H5Mget_count( hid_t map_id, hsize_t *count, hid_t dxpl_t )

 

Parameters:
hid_t map_id    IN: Identifier of a map object
hsize_t *count   OUT: The number of key-value pairs stored in the map object
hid_t dxpl_idIN: Property list identifier

Description:

H5M_GET_COUNT retrieves the number of key-value pairs stored in a map specified by map_id.

Returns:

Returns a non-negative value if successful; otherwise returns a negative value. 

Example:
History:
ReleaseChange
1.13.0C function introduced in this release.

--- Last Modified: December 20, 2020 | 11:45 PM