[#DH_meth_set_finish]
= DH_meth_set_finish
:mrdocs:

Set the DH object teardown callback on a DH_METHOD (deprecated).

== Synopsis

Declared in `<openssl/dh.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
DH_meth_set_finish(
    xref:DH_METHOD-0a.adoc[DH_METHOD]* dhm,
    int(* finish)(xref:DH.adoc[DH]*));
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dhm*
| Method table to update.
| *finish*
| Callback invoked from DH_free() for method‐specific cleanup (must not free the DH itself), or NULL.
|===


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