[#OSSL_CMP_log_cb_t]
= OSSL_CMP_log_cb_t
:mrdocs:

Callback type for CMP logging: receive component, source location, severity, and message.

== Synopsis

Declared in `<openssl/cmp_util.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int(* OSSL_CMP_log_cb_t)(char const*, char const*, int, xref:OSSL_CMP_severity.adoc[OSSL_CMP_severity], char const*);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *func*
| Component or function name, or NULL.
| *file*
| Source file pathname, or NULL.
| *line*
| Source line number, or 0 if unknown.
| *level*
| Severity (OSSL_CMP_LOG_*).
| *msg*
| NUL‐terminated log line, typically ending with a newline.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#