Merge pull request #267 from orecham/iox2-266-fix-bindgen-failure-for…

…-dirent-on-macos

[#266] Configure bindgen to bind dirfd C macro on macOS

iceoryx2-pal/posix/build.rs

@@ -74,4 +74,9 @@ fn main() {
     cc::Build::new()
         .file("src/c/socket_macros.c")
         .compile("libsocket_macros.a");
+
+    println!("cargo:rerun-if-changed=src/c/dirent.c");
+    cc::Build::new()
+        .file("src/c/dirent.c")
+        .compile("libdirent.a");
 }

iceoryx2-pal/posix/src/c/dirent.c

@@ -0,0 +1,19 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+#ifdef __APPLE__
+
+#include <dirent.h>
+
+int iox2_dirfd(DIR *dirp) { return dirfd(dirp); };
+
+#endif

iceoryx2-pal/posix/src/macos/dirent.rs

@@ -32,13 +32,14 @@ pub unsafe fn closedir(dirp: *mut DIR) -> int {
 }
 
 pub unsafe fn dirfd(dirp: *mut DIR) -> int {
-    crate::internal::dirfd(dirp)
+    internal::iox2_dirfd(dirp)
 }
 
 mod internal {
     use super::*;
 
     extern "C" {
         pub(super) fn scandir_ext(path: *const c_char, namelist: *mut *mut *mut dirent) -> int;
+        pub(super) fn iox2_dirfd(dir: *mut DIR) -> int;
     }
 }