nautilus_common/ffi/
mod.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 Posei Systems Pty Ltd. All rights reserved.
3//  https://poseitrader.io
4//
5//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6//  You may not use this file except in compliance with the License.
7//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9//  Unless required by applicable law or agreed to in writing, software
10//  distributed under the License is distributed on an "AS IS" BASIS,
11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//  See the License for the specific language governing permissions and
13//  limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16//! C foreign function interface (FFI) from [cbindgen](https://github.com/mozilla/cbindgen).
17
18#![allow(unsafe_code)]
19
20use std::ffi::c_char;
21
22use nautilus_core::ffi::string::cstr_to_bytes;
23
24use crate::msgbus::matching::is_matching;
25
26pub mod clock;
27pub mod enums;
28pub mod logging;
29pub mod timer;
30
31/// Match a topic and a string pattern using iterative backtracking algorithm
32/// pattern can contains -
33/// '*' - match 0 or more characters after this
34/// '?' - match any character once
35/// 'a-z' - match the specific character
36///
37/// # Safety
38///
39/// Passing `NULL` pointers will result in a panic.
40#[unsafe(no_mangle)]
41pub unsafe extern "C" fn is_matching_ffi(topic: *const c_char, pattern: *const c_char) -> u8 {
42    let topic = unsafe { cstr_to_bytes(topic) };
43    let pattern = unsafe { cstr_to_bytes(pattern) };
44    is_matching(topic, pattern) as u8
45}
nautilus_common/ffi/mod.rs

nautilus_common/ffi/
mod.rs
