Retrieves a metadata value of type binary.
hcerr_t hc_nvr_get_binary(hc_nvr_t *nvr,
hc_string_t name,
int *size,
unsigned char **bytes);
This function retrieves the value of type binary associated with an indicated attribute name in a name-value record. The binary data is not copied and is freed when the name-value record is freed.
nvr
Points to a name-value-record.
name
IN: Name for the tuple.
size
OUT: Updated with the size of the data.
bytes
OUT: Updated to point to the binary data.
HCERR_OK
HCERR_BAD_REQUEST
HCERR_OOM
HCERR_INVALID_NVR
HCERR_ILLEGAL_ARGUMENT
HCERR_ILLEGAL_VALUE_FOR_METADATA
HCERR_NO_SUCH_ATTRIBUTE