From 7bfa058a0b89e6a4f24dd43db9a0ea5c1a304b71 Mon Sep 17 00:00:00 2001
From: Hans Leidekker <hans@codeweavers.com>
Date: Tue, 25 Oct 2022 11:21:28 +0200
Subject: [PATCH] wbemprox: WQL string comparisons are case insensitive.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=53832
---
 dlls/wbemprox/query.c       | 12 ++++++------
 dlls/wbemprox/tests/query.c | 22 ++++++++++++++++++++++
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/dlls/wbemprox/query.c b/dlls/wbemprox/query.c
index 8233d35878d..1b79523d66f 100644
--- a/dlls/wbemprox/query.c
+++ b/dlls/wbemprox/query.c
@@ -118,22 +118,22 @@ static HRESULT eval_strcmp( UINT op, const WCHAR *lstr, const WCHAR *rstr, LONGL
     switch (op)
     {
     case OP_EQ:
-        *val = !wcscmp( lstr, rstr );
+        *val = !wcsicmp( lstr, rstr );
         break;
     case OP_GT:
-        *val = wcscmp( lstr, rstr ) > 0;
+        *val = wcsicmp( lstr, rstr ) > 0;
         break;
     case OP_LT:
-        *val = wcscmp( lstr, rstr ) < 0;
+        *val = wcsicmp( lstr, rstr ) < 0;
         break;
     case OP_LE:
-        *val = wcscmp( lstr, rstr ) <= 0;
+        *val = wcsicmp( lstr, rstr ) <= 0;
         break;
     case OP_GE:
-        *val = wcscmp( lstr, rstr ) >= 0;
+        *val = wcsicmp( lstr, rstr ) >= 0;
         break;
     case OP_NE:
-        *val = wcscmp( lstr, rstr );
+        *val = wcsicmp( lstr, rstr );
         break;
     case OP_LIKE:
         *val = eval_like( lstr, rstr );
diff --git a/dlls/wbemprox/tests/query.c b/dlls/wbemprox/tests/query.c
index 12bc42d249c..e86f7fd5b62 100644
--- a/dlls/wbemprox/tests/query.c
+++ b/dlls/wbemprox/tests/query.c
@@ -2141,6 +2141,28 @@ static void test_Win32_LogicalDisk( IWbemServices *services )
         IWbemClassObject_Release( obj );
     }
 
+    IEnumWbemClassObject_Release( result );
+    SysFreeString( query );
+
+    query = SysAllocString( L"SELECT * FROM Win32_LogicalDisk WHERE DeviceID > 'b:' AND DeviceID < 'd:'" );
+    hr = IWbemServices_ExecQuery( services, wql, query, 0, NULL, &result );
+    ok( hr == S_OK, "got %#lx\n", hr );
+    count = 0;
+    hr = IEnumWbemClassObject_Next( result, 10000, 1, &obj, &count );
+    ok( hr == S_OK, "got %#lx\n", hr );
+    ok( count == 1, "got %lu\n", count );
+    IWbemClassObject_Release( obj );
+    SysFreeString( query );
+
+    query = SysAllocString( L"SELECT * FROM Win32_LogicalDisk WHERE DeviceID = 'C:'" );
+    hr = IWbemServices_ExecQuery( services, wql, query, 0, NULL, &result );
+    ok( hr == S_OK, "got %#lx\n", hr );
+    count = 0;
+    hr = IEnumWbemClassObject_Next( result, 10000, 1, &obj, &count );
+    ok( hr == S_OK, "got %#lx\n", hr );
+    ok( count == 1, "got %lu\n", count );
+    IWbemClassObject_Release( obj );
+    SysFreeString( query );
     IEnumWbemClassObject_Release( result );
     SysFreeString( query );
     SysFreeString( wql );