Arkadiusz Hiler : setupapi: Use lowercase device paths.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 30a026d2454b2de93257e9eb895573ce8c56dc05
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=30a026d2454b2de93257e9eb895573ce8c56dc05

Author: Arkadiusz Hiler <ahiler at codeweavers.com>
Date:   Thu Dec 23 15:33:09 2021 +0100

setupapi: Use lowercase device paths.

Some games are doing case sensitive matches on the device paths obtained from
Setup API and expect them to be lowercase.

This fixes Virginia not being able to discover DualShock 4.

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/joy.cpl/main.c           |  2 +-
 dlls/setupapi/devinst.c       |  3 +++
 dlls/setupapi/tests/devinst.c | 13 +++++++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/dlls/joy.cpl/main.c b/dlls/joy.cpl/main.c
index a1308606f98..081dcf2dc74 100644
--- a/dlls/joy.cpl/main.c
+++ b/dlls/joy.cpl/main.c
@@ -100,7 +100,7 @@ static BOOL CALLBACK enum_callback(const DIDEVICEINSTANCEW *instance, void *cont
     joystick->num_effects = 0;
 
     IDirectInputDevice8_GetProperty(joystick->device, DIPROP_GUIDANDPATH, &prop_guid_path.diph);
-    joystick->is_xinput = wcsstr(prop_guid_path.wszPath, L"&IG_") != NULL;
+    joystick->is_xinput = wcsstr(prop_guid_path.wszPath, L"&ig_") != NULL;
 
     if (joystick->forcefeedback) data->num_ff++;
 
diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index 29cfbbeb87f..ecc0b58ca5c 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -407,6 +407,9 @@ static LPWSTR SETUPDI_CreateSymbolicLinkPath(LPCWSTR instanceId,
             lstrcpyW(ret + printed + 1, ReferenceString);
         }
     }
+
+    CharLowerW(ret);
+
     return ret;
 }
 
diff --git a/dlls/setupapi/tests/devinst.c b/dlls/setupapi/tests/devinst.c
index 6f02acb9589..35823788605 100644
--- a/dlls/setupapi/tests/devinst.c
+++ b/dlls/setupapi/tests/devinst.c
@@ -1025,6 +1025,18 @@ static void test_register_device_info(void)
     SetupDiDestroyDeviceInfoList(set);
 }
 
+static void check_all_lower_case(int line, const char* str)
+{
+    const char *cur;
+
+    for (cur = str; *cur; cur++)
+    {
+        BOOL is_lower = (tolower(*cur) == *cur);
+        ok_(__FILE__, line)(is_lower, "Expected device path to be all lowercase but got %s.\n", str);
+        if (!is_lower) break;
+    }
+}
+
 static void check_device_iface_(int line, HDEVINFO set, SP_DEVINFO_DATA *device,
         const GUID *class, int index, DWORD flags, const char *path)
 {
@@ -1046,6 +1058,7 @@ static void check_device_iface_(int line, HDEVINFO set, SP_DEVINFO_DATA *device,
         ret = SetupDiGetDeviceInterfaceDetailA(set, &iface, detail, sizeof(buffer), NULL, NULL);
         ok_(__FILE__, line)(ret, "Failed to get interface detail, error %#x.\n", GetLastError());
         ok_(__FILE__, line)(!strcasecmp(detail->DevicePath, path), "Got unexpected path %s.\n", detail->DevicePath);
+        check_all_lower_case(line, detail->DevicePath);
     }
     else
     {