[#OSSL_DECODER_CTX_set_cleanup]
= OSSL_DECODER_CTX_set_cleanup
:mrdocs:

Register a cleanup callback invoked from OSSL_DECODER_CTX_free().

== Synopsis

Declared in `<openssl/decoder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_DECODER_CTX_set_cleanup(
    xref:OSSL_DECODER_CTX.adoc[OSSL_DECODER_CTX]* ctx,
    xref:OSSL_DECODER_CLEANUP.adoc[OSSL_DECODER_CLEANUP]* cleanup);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Decoder context to configure.
| *cleanup*
| Callback that frees construct data, or NULL to clear.
|===


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