Type Alias mongocrypt_log_fn_t 

pub type mongocrypt_log_fn_t = Option<unsafe extern "C" fn(level: mongocrypt_log_level_t, message: *const c_char, message_len: u32, ctx: *mut c_void)>;

A log callback function. Set a custom log callback with @ref mongocrypt_setopt_log_handler.

@param[in] message A NULL terminated message. @param[in] message_len The length of message. @param[in] ctx A context provided by the caller of @ref mongocrypt_setopt_log_handler.

Aliased Type

pub enum mongocrypt_log_fn_t {
    None,
    Some(unsafe extern "C" fn(u32, *const i8, u32, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, *const i8, u32, *mut c_void))

Some value of type T.