1 // Copyright (c) 2023 Huawei Device Co., Ltd.
2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // You may obtain a copy of the License at
5 //
6 //     http://www.apache.org/licenses/LICENSE-2.0
7 //
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13 
14 use libc::{c_char, c_int, c_void};
15 
16 use super::bio::BIO;
17 use super::x509::C_X509;
18 
19 // callback func
20 pub(crate) type PemPasswordCb = Option<
21     unsafe extern "C" fn(
22         buf: *mut c_char,
23         size: c_int,
24         rwflag: c_int,
25         user_data: *mut c_void,
26     ) -> c_int,
27 >;
28 
29 extern "C" {
30     /// The PEM functions read structures in PEM format.
PEM_read_bio_X509( bio: *mut BIO, out: *mut *mut C_X509, callback: PemPasswordCb, user_data: *mut c_void, ) -> *mut C_X50931     pub(crate) fn PEM_read_bio_X509(
32         bio: *mut BIO,
33         out: *mut *mut C_X509,
34         callback: PemPasswordCb,
35         user_data: *mut c_void,
36     ) -> *mut C_X509;
37 }
38