From f0723285e05157c0d1e669b16bcaa60803da0835 Mon Sep 17 00:00:00 2001
From: Adrian Kumpf <adrian.kumpf@posteo.de>
Date: Wed, 3 Jan 2018 11:47:36 +0100
Subject: [PATCH] Add function to read the port number of a device

---
 src/device.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/device.rs b/src/device.rs
index cbfda2b..fb38b4a 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -57,6 +57,11 @@ impl<'a> Device<'a> {
         Ok(unsafe { config_descriptor::from_libusb(config) })
     }
 
+    /// Returns the number of the port that the device is connected to.
+    pub fn port_number(&self) -> u8 {
+        unsafe { libusb_get_port_number(self.device) }
+    }
+
     /// Returns the number of the bus that the device is connected to.
     pub fn bus_number(&self) -> u8 {
         unsafe {