commit 86338db0b12b87affe72d01304db500b36d5d11a
author Roman Kiryanov <rkir@google.com> Tue Oct 11 15:32:55 2022 -0700
committer Roman Kiryanov <rkir@google.com> Tue Oct 11 23:38:48 2022 +0000
tree 94af974b0c16f9b33c3a964dd4e1f3eb48714d71
parent e6fe69b75dd58bdf00acb982767f3dddae87ab1d

Add isAidlNativeHandleEmpty to libaidlcommonsupport

Bug: 251042358
Test: libaidlcommonsupport_test
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I96dc2a39d60f955b8a686adcb7446e1c54747a35

common/support/NativeHandle.cpp

diff --git a/common/support/NativeHandle.cpp b/common/support/NativeHandle.cpp
index 321d7a8..126ef2e 100644
--- a/common/support/NativeHandle.cpp
+++ b/common/support/NativeHandle.cpp
@@ -22,6 +22,13 @@
 
 using aidl::android::hardware::common::NativeHandle;
 
+/**
+ * Checks if a NativeHandle is null
+ */
+bool isAidlNativeHandleEmpty(const NativeHandle& handle) {
+    return handle.fds.empty() && handle.ints.empty();
+}
+
 static native_handle_t* fromAidl(const NativeHandle& handle, bool doDup) {
     native_handle_t* to = native_handle_create(handle.fds.size(), handle.ints.size());
     if (!to) return nullptr;