Andrew Eikum : xinput: Get rid of redundant connected boolean.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: aa482426dc4d6f291e6d1dd75be4701636cab31d
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=aa482426dc4d6f291e6d1dd75...

Author: Andrew Eikum <aeikum(a)codeweavers.com>
Date:   Tue Oct 22 15:00:51 2019 -0500

xinput: Get rid of redundant connected boolean.

Signed-off-by: Andrew Eikum <aeikum(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/xinput1_3/hid.c            |  8 +++-----
 dlls/xinput1_3/xinput_main.c    | 12 ++++++------
 dlls/xinput1_3/xinput_private.h |  3 +--
 3 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/dlls/xinput1_3/hid.c b/dlls/xinput1_3/hid.c
index c186c116f4..bb719ed56c 100644
--- a/dlls/xinput1_3/hid.c
+++ b/dlls/xinput1_3/hid.c
@@ -199,7 +199,6 @@ static BOOL init_controller(xinput_controller *controller, PHIDP_PREPARSED_DATA
     memset(&controller->vibration, 0, sizeof(controller->vibration));
 
     controller->platform_private = private;
-    controller->connected = TRUE;
 
     return TRUE;
 }
@@ -256,7 +255,7 @@ void HID_find_gamepads(xinput_controller *devices)
         for (i = 0; i < XUSER_MAX_COUNT; i++)
         {
             struct hid_platform_private *private = devices[i].platform_private;
-            if (devices[i].connected)
+            if (devices[i].platform_private)
             {
                 if (!wcscmp(data->DevicePath, private->device_path))
                     break;
@@ -302,18 +301,17 @@ static void remove_gamepad(xinput_controller *device)
 {
     EnterCriticalSection(&device->crit);
 
-    if (device->connected)
+    if (device->platform_private)
     {
         struct hid_platform_private *private = device->platform_private;
 
-        device->connected = FALSE;
+        device->platform_private = NULL;
 
         CloseHandle(private->device);
         HeapFree(GetProcessHeap(), 0, private->reports[0]);
         HeapFree(GetProcessHeap(), 0, private->reports[1]);
         HeapFree(GetProcessHeap(), 0, private->device_path);
         HidD_FreePreparsedData(private->ppd);
-        device->platform_private = NULL;
         HeapFree(GetProcessHeap(), 0, private);
     }
 
diff --git a/dlls/xinput1_3/xinput_main.c b/dlls/xinput1_3/xinput_main.c
index 5c83e87fb1..5485ae8d2d 100644
--- a/dlls/xinput1_3/xinput_main.c
+++ b/dlls/xinput1_3/xinput_main.c
@@ -76,12 +76,12 @@ xinput_controller controllers[XUSER_MAX_COUNT] = {
 
 static BOOL verify_and_lock_device(xinput_controller *device)
 {
-    if (!device->connected)
+    if (!device->platform_private)
         return FALSE;
 
     EnterCriticalSection(&device->crit);
 
-    if (!device->connected)
+    if (!device->platform_private)
     {
         LeaveCriticalSection(&device->crit);
         return FALSE;
@@ -166,7 +166,7 @@ static DWORD xinput_get_state(DWORD index, XINPUT_STATE *state)
 
     HID_update_state(&controllers[index], state);
 
-    if (!controllers[index].connected)
+    if (!controllers[index].platform_private)
     {
         /* update_state may have disconnected the controller */
         unlock_device(&controllers[index]);
@@ -211,7 +211,7 @@ DWORD WINAPI DECLSPEC_HOTPATCH XInputGetKeystroke(DWORD index, DWORD reserved, P
 
     if (index >= XUSER_MAX_COUNT)
         return ERROR_BAD_ARGUMENTS;
-    if (!controllers[index].connected)
+    if (!controllers[index].platform_private)
         return ERROR_DEVICE_NOT_CONNECTED;
 
     return ERROR_NOT_SUPPORTED;
@@ -248,7 +248,7 @@ DWORD WINAPI DECLSPEC_HOTPATCH XInputGetDSoundAudioDeviceGuids(DWORD index, GUID
 
     if (index >= XUSER_MAX_COUNT)
         return ERROR_BAD_ARGUMENTS;
-    if (!controllers[index].connected)
+    if (!controllers[index].platform_private)
         return ERROR_DEVICE_NOT_CONNECTED;
 
     return ERROR_NOT_SUPPORTED;
@@ -263,7 +263,7 @@ DWORD WINAPI DECLSPEC_HOTPATCH XInputGetBatteryInformation(DWORD index, BYTE typ
 
     if (index >= XUSER_MAX_COUNT)
         return ERROR_BAD_ARGUMENTS;
-    if (!controllers[index].connected)
+    if (!controllers[index].platform_private)
         return ERROR_DEVICE_NOT_CONNECTED;
 
     return ERROR_NOT_SUPPORTED;
diff --git a/dlls/xinput1_3/xinput_private.h b/dlls/xinput1_3/xinput_private.h
index 74cf318a6f..f3456cd8e7 100644
--- a/dlls/xinput1_3/xinput_private.h
+++ b/dlls/xinput1_3/xinput_private.h
@@ -20,9 +20,8 @@
 typedef struct _xinput_controller
 {
     CRITICAL_SECTION crit;
-    BOOL connected; /* only TRUE when device is valid; may be used without holding crit */
     XINPUT_CAPABILITIES caps;
-    void *platform_private;
+    void *platform_private; /* non-NULL when device is valid; validity may be read without holding crit */
     XINPUT_STATE state;
     XINPUT_VIBRATION vibration;
 } xinput_controller;