Add comment for readPartialObject's NULL expected length. (610d4a12) · Commits · e / os / android_frameworks_av

media/mtp/MtpDevice.cpp

+6 −0

Original line number	Diff line number	Diff line
		@@ -778,6 +778,9 @@ bool MtpDevice::readPartialObject(MtpObjectHandle handle,
		ALOGE("Failed to send a read request.");
		return false;
		}
		// The expected size is null because it requires the exact number of bytes to read though
		// MTP_OPERATION_GET_PARTIAL_OBJECT allows devices to return shorter length of bytes than
		// requested. Destination's buffer length should be checked in \|callback\|.
		return readData(callback, nullptr /* expected size */, writtenSize, clientData);
		}

		@@ -798,6 +801,9 @@ bool MtpDevice::readPartialObject64(MtpObjectHandle handle,
		ALOGE("Failed to send a read request.");
		return false;
		}
		// The expected size is null because it requires the exact number of bytes to read though
		// MTP_OPERATION_GET_PARTIAL_OBJECT_64 allows devices to return shorter length of bytes than
		// requested. Destination's buffer length should be checked in \|callback\|.
		return readData(callback, nullptr /* expected size */, writtenSize, clientData);
		}