From e8853ee660503c7d461c157dcbd82f4729bb49ee Mon Sep 17 00:00:00 2001
From: Ryan Pavlik <rpavlik@iastate.edu>
Date: Mon, 2 May 2011 10:38:50 -0500
Subject: [PATCH] Make the error nicer when you don't have an adapter plugged
 in.

---
 src/io_nix.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/io_nix.c b/src/io_nix.c
index 90cce7a..4eb290e 100644
--- a/src/io_nix.c
+++ b/src/io_nix.c
@@ -37,6 +37,7 @@
 
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 
 #include <bluetooth/bluetooth.h>
 #include <bluetooth/hci.h>
@@ -75,7 +76,11 @@ int wiiuse_find(struct wiimote_t** wm, int max_wiimotes, int timeout) {
 	/* get the id of the first bluetooth device. */
 	device_id = hci_get_route(NULL);
 	if (device_id < 0) {
-		perror("hci_get_route");
+		if (errno == ENODEV) {
+			WIIUSE_ERROR("Could not detect a Bluetooth adapter!");
+		} else {
+			perror("hci_get_route");
+		}
 		return 0;
 	}