From 1cbb80b7b4a655b0228f5359f3f182f47415636f Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Date: Wed, 7 Oct 2015 18:46:15 -0400
Subject: [PATCH] keep track of opened devices

If we want to remove the duplicate nodes opened when using
ratbag_find_hidraw(), we need to somehow keep track of all opened
ratbag_device.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
---
 src/libratbag-private.h | 3 +++
 src/libratbag.c         | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/src/libratbag-private.h b/src/libratbag-private.h
index 4ec1de3f..7b55b53d 100644
--- a/src/libratbag-private.h
+++ b/src/libratbag-private.h
@@ -50,6 +50,7 @@ struct ratbag {
 
 	struct udev *udev;
 	struct list drivers;
+	struct list devices;
 
 	int refcount;
 	ratbag_log_handler log_handler;
@@ -74,6 +75,8 @@ struct ratbag_device {
 	unsigned num_buttons;
 
 	void *drv_data;
+
+	struct list link;
 };
 
 struct ratbag_id {
diff --git a/src/libratbag.c b/src/libratbag.c
index 0fb6f49b..f66a8b5c 100644
--- a/src/libratbag.c
+++ b/src/libratbag.c
@@ -172,6 +172,7 @@ ratbag_device_new(struct ratbag *ratbag, struct udev_device *udev_device,
 	device->ids = *id;
 	list_init(&device->profiles);
 
+	list_insert(&ratbag->devices, &device->link);
 
 	return device;
 }
@@ -196,6 +197,8 @@ ratbag_device_destroy(struct ratbag_device *device)
 	if (device->udev_device)
 		udev_device_unref(device->udev_device);
 
+	list_remove(&device->link);
+
 	ratbag_unref(device->ratbag);
 	free(device->name);
 	free(device);
@@ -488,6 +491,7 @@ ratbag_create_context(const struct ratbag_interface *interface,
 	ratbag->userdata = userdata;
 
 	list_init(&ratbag->drivers);
+	list_init(&ratbag->devices);
 	ratbag->udev = udev_new();
 	if (!ratbag->udev) {
 		free(ratbag);