GALANTHUS / ABI FUNCTION REFERENCE
gln_get_holding_wkn
Declared in <galanthus/c_api/gln_capi.h>.
GLN_API const char* GLN_CALL gln_get_holding_wkn(const gln_holding_t* in_holding);
Purpose
Returns the WKN when available.
Return
Returns the WKN or alternate security reference stored on the holding row when the source supplies one. Returns NULL when the optional field is not materialized or when the input handle is NULL.
| Type | Nullability | Ownership |
|---|---|---|
const char* | nullable | borrowed |
Parameters
| Name | Direction | Type | Nullability | Ownership |
|---|---|---|---|---|
in_holding | input | const gln_holding_t* | nullable | borrowed |
Security Identity
Returns the WKN or alternate security reference stored on the holding row when the source supplies one.
NULL means the materialized holding row has no WKN field.
Notes
Passing NULL for in_holding is allowed and returns NULL.
NULL means the provider did not supply this optional field for the row.
The returned pointer is borrowed from the owning backend result envelope and becomes invalid when that envelope is destroyed.