exp.rs - mozsearch

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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or

// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license

// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your

// option. This file may not be copied, modified, or distributed

// except according to those terms.

#[macro_export]

macro_rules! experimental_api {

    ( $n:ident ( $( $a:ident : $t:ty ),* $(,)? ) ) => {

        #[allow(non_snake_case)]

        #[allow(clippy::too_many_arguments)]

        #[allow(clippy::missing_safety_doc)]

        #[allow(clippy::missing_errors_doc)]

        pub unsafe fn $n ( $( $a : $t ),* ) -> Result<(), $crate::err::Error> {

            const EXP_FUNCTION: &str = stringify!($n);

            let n = ::std::ffi::CString::new(EXP_FUNCTION)?;

            let f = $crate::ssl::SSL_GetExperimentalAPI(n.as_ptr());

            if f.is_null() {

                return Err($crate::err::Error::InternalError);

            let f: unsafe extern "C" fn( $( $t ),* ) -> $crate::ssl::SECStatus = ::std::mem::transmute(f);

            let rv = f( $( $a ),* );

            $crate::err::secstatus_to_res(rv)

};