[PATCH] dinput: Reset button state for each report read.

[Rémi Bernon]

As we loop on ReadFile success we may read multiple reports at once, but
we never reset buttons in the enumeration params. The pressed buttons
are returned by HidP_GetUsagesEx and any other button must be cleared.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52387
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
 dlls/dinput/joystick_hid.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/dinput/joystick_hid.c b/dlls/dinput/joystick_hid.c
index 29cf3afcdd4..3e47ec9e23c 100644
--- a/dlls/dinput/joystick_hid.c
+++ b/dlls/dinput/joystick_hid.c
@@ -1213,8 +1213,8 @@ static HRESULT hid_joystick_read( IDirectInputDevice8W *iface )
     struct hid_joystick *impl = impl_from_IDirectInputDevice8W( iface );
     ULONG i, index, count, report_len = impl->caps.InputReportByteLength;
     DIDATAFORMAT *format = impl->base.device_format;
-    struct parse_device_state_params params = {{0}};
     char *report_buf = impl->input_report_buf;
+    struct parse_device_state_params params;
     struct hid_joystick_effect *effect;
     DWORD device_state, effect_state;
     USAGE_AND_PAGE *usages;
@@ -1252,6 +1252,7 @@ static HRESULT hid_joystick_read( IDirectInputDevice8W *iface )
             params.time = GetCurrentTime();
             params.seq = impl->base.dinput->evsequence++;
             memcpy( params.old_state, impl->base.device_state, format->dwDataSize );
+            memset( params.buttons, 0, sizeof(params.buttons) );
             memset( impl->base.device_state, 0, format->dwDataSize );
 
             while (count--)
-- 
2.34.1