Merge "Support ParcelFileDescriptor[] in libbinder_ndk" (9792ad05) · Commits · e / os / android_frameworks_native-old

libs/binder/ndk/include_ndk/android/binder_parcel_utils.h

+36 −0

Original line number	Diff line number	Diff line
		@@ -440,6 +440,42 @@ binder_status_t AParcel_readStdVectorParcelableElement(const AParcel* parcel, vo
		return vector->at(index).readFromParcel(parcel);
		}

		/**
		* Writes a ScopedFileDescriptor object inside a std::vector<ScopedFileDescriptor> at index 'index'
		* to 'parcel'.
		*/
		template <>
		inline binder_status_t AParcel_writeStdVectorParcelableElement<ScopedFileDescriptor>(
		AParcel* parcel, const void* vectorData, size_t index) {
		const std::vector<ScopedFileDescriptor>* vector =
		static_cast<const std::vector<ScopedFileDescriptor>*>(vectorData);
		int writeFd = vector->at(index).get();
		if (writeFd < 0) {
		return STATUS_UNEXPECTED_NULL;
		}
		return AParcel_writeParcelFileDescriptor(parcel, writeFd);
		}

		/**
		* Reads a ScopedFileDescriptor object inside a std::vector<ScopedFileDescriptor> at index 'index'
		* from 'parcel'.
		*/
		template <>
		inline binder_status_t AParcel_readStdVectorParcelableElement<ScopedFileDescriptor>(
		const AParcel* parcel, void* vectorData, size_t index) {
		std::vector<ScopedFileDescriptor>* vector =
		static_cast<std::vector<ScopedFileDescriptor>*>(vectorData);
		int readFd;
		binder_status_t status = AParcel_readParcelFileDescriptor(parcel, &readFd);
		if (status == STATUS_OK) {
		if (readFd < 0) {
		return STATUS_UNEXPECTED_NULL;
		}
		vector->at(index).set(readFd);
		}
		return status;
		}

		/**
		* Convenience API for writing a std::vector<P>
		*/