Use CompareStringOrdinal() instead of CompareString() case-insensitive

This commit moves to the modern CompareStringOrdinal() for all case-insensitve
uses of CompareString() with the invariant locale.

Partially resolves 6947

11 files changed, 75 insertions, 75 deletions

diff --git a/src/burn/engine/bundlepackageengine.cpp b/src/burn/engine/bundlepackageengine.cpp
index db433918..1a8ba982 100644
--- a/src/burn/engine/bundlepackageengine.cpp
+++ b/src/burn/engine/bundlepackageengine.cpp
@@ -686,7 +686,7 @@ static BUNDLE_QUERY_CALLBACK_RESULT CALLBACK QueryRelatedBundlesCallback(
     BOOTSTRAPPER_RELATION_TYPE relationType = RelatedBundleConvertRelationType(pBundle->relationType);
     BOOL fPerMachine = BUNDLE_INSTALL_CONTEXT_MACHINE == pBundle->installContext;
 
-    if (CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pBundle->wzBundleCode, -1, pPackage->Bundle.sczBundleCode, -1) &&
+    if (CSTR_EQUAL == ::CompareStringOrdinal(pBundle->wzBundleCode, -1, pPackage->Bundle.sczBundleCode, -1, TRUE) &&
         pPackage->Bundle.fWin64 == (REG_KEY_64BIT == pBundle->regBitness))
     {
         Assert(BOOTSTRAPPER_RELATION_UPGRADE == relationType);
diff --git a/src/burn/engine/cache.cpp b/src/burn/engine/cache.cpp
index e432df69..f5df6500 100644
--- a/src/burn/engine/cache.cpp
+++ b/src/burn/engine/cache.cpp
@@ -619,8 +619,8 @@ extern "C" HRESULT CacheGetLocalSourcePaths(
 
     hr = GetLastUsedSourceFolder(pVariables, &sczLastSourceFolder);
     fPreferSourcePathLocation = !pCache->fRunningFromCache || FAILED(hr);
-    fTryLastFolder = SUCCEEDED(hr) && sczLastSourceFolder && *sczLastSourceFolder && CSTR_EQUAL != ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pCache->sczSourceProcessFolder, -1, sczLastSourceFolder, -1);
-    fTryRelativePath = CSTR_EQUAL != ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, wzSourcePath, -1, wzRelativePath, -1);
+    fTryLastFolder = SUCCEEDED(hr) && sczLastSourceFolder && *sczLastSourceFolder && CSTR_EQUAL != ::CompareStringOrdinal(pCache->sczSourceProcessFolder, -1, sczLastSourceFolder, -1, TRUE);
+    fTryRelativePath = CSTR_EQUAL != ::CompareStringOrdinal(wzSourcePath, -1, wzRelativePath, -1, TRUE);
     fSourceIsAbsolute = PathIsRooted(wzSourcePath);
 
     // If the source path provided is a full path, try that first.
@@ -797,7 +797,7 @@ extern "C" HRESULT CacheSetLastUsedSource(
 
     // If the source path ends with the relative path then this source could be a new path.
     iSourceRelativePath = cchSourcePath - cchRelativePath;
-    if (CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, wzSourcePath + iSourceRelativePath, -1, wzRelativePath, -1))
+    if (CSTR_EQUAL == ::CompareStringOrdinal(wzSourcePath + iSourceRelativePath, -1, wzRelativePath, -1, TRUE))
     {
         hr = StrAllocString(&sczSourceFolder, wzSourcePath, iSourceRelativePath);
         ExitOnFailure(hr, "Failed to trim source folder.");
@@ -805,7 +805,7 @@ extern "C" HRESULT CacheSetLastUsedSource(
         hr = VariableGetString(pVariables, BURN_BUNDLE_LAST_USED_SOURCE, &sczLastSourceFolder);
         if (SUCCEEDED(hr))
         {
-            nCompare = ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, sczSourceFolder, -1, sczLastSourceFolder, -1);
+            nCompare = ::CompareStringOrdinal(sczSourceFolder, -1, sczLastSourceFolder, -1, TRUE);
         }
         else if (E_NOTFOUND == hr)
         {
@@ -1031,7 +1031,7 @@ extern "C" HRESULT CacheCompleteBundle(
     ExitOnFailure(hr, "Failed to combine completed path with engine file name.");
 
     // We can't just use wzExecutablePath because we needed to call CreateCompletedPath to ensure that the destination was secured.
-    Assert(CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, wzExecutablePath, -1, sczTargetPath, -1));
+    Assert(CSTR_EQUAL == ::CompareStringOrdinal(wzExecutablePath, -1, sczTargetPath, -1, TRUE));
 
     // If the bundle is running out of the package cache then we don't need to copy it there
     // (and don't want to since it'll be in use) so bail.
diff --git a/src/burn/engine/condition.cpp b/src/burn/engine/condition.cpp
index 8fa62f16..ecce2d5c 100644
--- a/src/burn/engine/condition.cpp
+++ b/src/burn/engine/condition.cpp
@@ -740,17 +740,17 @@ static HRESULT NextSymbol(
                     ::GetStringTypeW(CT_CTYPE1, &pContext->wzRead[n], 1, &charType);
                 } while (C1_ALPHA & charType || C1_DIGIT & charType || L'_' == pContext->wzRead[n]);
 
-                if (2 == n && CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pContext->wzRead, 2, L"OR", 2))
+                if (2 == n && CSTR_EQUAL == ::CompareStringOrdinal(pContext->wzRead, 2, L"OR", 2, TRUE))
                 {
                     // OR
                     pContext->NextSymbol.Type = BURN_SYMBOL_TYPE_OR;
                 }
-                else if (3 == n && CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pContext->wzRead, 3, L"AND", 3))
+                else if (3 == n && CSTR_EQUAL == ::CompareStringOrdinal(pContext->wzRead, 3, L"AND", 3, TRUE))
                 {
                     // AND
                     pContext->NextSymbol.Type = BURN_SYMBOL_TYPE_AND;
                 }
-                else if (3 == n && CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pContext->wzRead, 3, L"NOT", 3))
+                else if (3 == n && CSTR_EQUAL == ::CompareStringOrdinal(pContext->wzRead, 3, L"NOT", 3, TRUE))
                 {
                     // NOT
                     pContext->NextSymbol.Type = BURN_SYMBOL_TYPE_NOT;
diff --git a/src/burn/engine/core.cpp b/src/burn/engine/core.cpp
index b20f7f0c..de202321 100644
--- a/src/burn/engine/core.cpp
+++ b/src/burn/engine/core.cpp
@@ -1215,8 +1215,8 @@ HRESULT CoreAppendLogToCommandLine(
         if (rgszArgs[i][0] == L'-' || rgszArgs[i][0] == L'/')
         {
             // Now looking for 'log' or 'l'
-            if ((CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &rgszArgs[i][1], -1, L"log", -1))
-                || (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &rgszArgs[i][1], -1, L"l", -1)))
+            if ((CSTR_EQUAL == ::CompareStringOrdinal(&rgszArgs[i][1], -1, L"log", -1, TRUE))
+                || (CSTR_EQUAL == ::CompareStringOrdinal(&rgszArgs[i][1], -1, L"l", -1, TRUE)))
             {
                 ExitFunction1(hr = S_FALSE);
             }
@@ -1360,13 +1360,13 @@ extern "C" HRESULT CoreParseCommandLine(
 
         if (argv[i][0] == L'-' || argv[i][0] == L'/')
         {
-            if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"l", -1) ||
-                CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"log", -1) ||
-                CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"xlog", -1))
+            if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"l", -1, TRUE) ||
+                CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"log", -1, TRUE) ||
+                CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"xlog", -1, TRUE))
             {
                 pInternalCommand->dwLoggingAttributes &= ~BURN_LOGGING_ATTRIBUTE_APPEND;
 
-                if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], 1, L"x", 1))
+                if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], 1, L"x", 1, TRUE))
                 {
                     pInternalCommand->dwLoggingAttributes |= BURN_LOGGING_ATTRIBUTE_VERBOSE | BURN_LOGGING_ATTRIBUTE_EXTRADEBUG;
                 }
@@ -1382,24 +1382,24 @@ extern "C" HRESULT CoreParseCommandLine(
                 hr = PathExpand(&pInternalCommand->sczLogFile, argv[i], PATH_EXPAND_FULLPATH);
                 ExitOnFailure(hr, "Failed to copy log file path.");
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"?", -1) ||
-                     CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"h", -1) ||
-                     CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"help", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"?", -1, TRUE) ||
+                     CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"h", -1, TRUE) ||
+                     CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"help", -1, TRUE))
             {
                 pCommand->action = BOOTSTRAPPER_ACTION_HELP;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"q", -1) ||
-                     CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"quiet", -1) ||
-                     CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"s", -1) ||
-                     CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"silent", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"q", -1, TRUE) ||
+                     CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"quiet", -1, TRUE) ||
+                     CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"s", -1, TRUE) ||
+                     CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"silent", -1, TRUE))
             {
                 pCommand->display = BOOTSTRAPPER_DISPLAY_NONE;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"passive", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"passive", -1, TRUE))
             {
                 pCommand->display = BOOTSTRAPPER_DISPLAY_PASSIVE;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"layout", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"layout", -1, TRUE))
             {
                 if (BOOTSTRAPPER_ACTION_HELP != pCommand->action)
                 {
@@ -1415,47 +1415,47 @@ extern "C" HRESULT CoreParseCommandLine(
                     ExitOnFailure(hr, "Failed to copy path for layout directory.");
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"unsafeuninstall", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"unsafeuninstall", -1, TRUE))
             {
                 if (BOOTSTRAPPER_ACTION_HELP != pCommand->action)
                 {
                     pCommand->action = BOOTSTRAPPER_ACTION_UNSAFE_UNINSTALL;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"uninstall", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"uninstall", -1, TRUE))
             {
                 if (BOOTSTRAPPER_ACTION_HELP != pCommand->action)
                 {
                     pCommand->action = BOOTSTRAPPER_ACTION_UNINSTALL;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"repair", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"repair", -1, TRUE))
             {
                 if (BOOTSTRAPPER_ACTION_HELP != pCommand->action)
                 {
                     pCommand->action = BOOTSTRAPPER_ACTION_REPAIR;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"modify", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"modify", -1, TRUE))
             {
                 if (BOOTSTRAPPER_ACTION_HELP != pCommand->action)
                 {
                     pCommand->action = BOOTSTRAPPER_ACTION_MODIFY;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"package", -1) ||
-                     CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"update", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"package", -1, TRUE) ||
+                     CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"update", -1, TRUE))
             {
                 if (BOOTSTRAPPER_ACTION_UNKNOWN == pCommand->action)
                 {
                     pCommand->action = BOOTSTRAPPER_ACTION_INSTALL;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"noaupause", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"noaupause", -1, TRUE))
             {
                 pInternalCommand->automaticUpdates = BURN_AU_PAUSE_ACTION_NONE;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"keepaupaused", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"keepaupaused", -1, TRUE))
             {
                 // Switch /noaupause takes precedence.
                 if (BURN_AU_PAUSE_ACTION_NONE != pInternalCommand->automaticUpdates)
@@ -1463,11 +1463,11 @@ extern "C" HRESULT CoreParseCommandLine(
                     pInternalCommand->automaticUpdates = BURN_AU_PAUSE_ACTION_IFELEVATED_NORESUME;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"disablesystemrestore", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"disablesystemrestore", -1, TRUE))
             {
                 pInternalCommand->fDisableSystemRestore = TRUE;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, L"originalsource", -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, L"originalsource", -1, TRUE))
             {
                 if (i + 1 >= argc)
                 {
@@ -1479,7 +1479,7 @@ extern "C" HRESULT CoreParseCommandLine(
                 hr = PathExpand(&pInternalCommand->sczOriginalSource, argv[i], PATH_EXPAND_FULLPATH);
                 ExitOnFailure(hr, "Failed to copy last used source.");
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_PARENT, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_PARENT, -1, TRUE))
             {
                 if (i + 1 >= argc)
                 {
@@ -1492,12 +1492,12 @@ extern "C" HRESULT CoreParseCommandLine(
                 hr = StrAllocString(&pInternalCommand->sczActiveParent, argv[i], 0);
                 ExitOnFailure(hr, "Failed to copy parent.");
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_PARENT_NONE, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_PARENT_NONE, -1, TRUE))
             {
                 hr = StrAllocString(&pInternalCommand->sczActiveParent, L"", 0);
                 ExitOnFailure(hr, "Failed to initialize parent to none.");
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_LOG_APPEND, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_LOG_APPEND, -1, TRUE))
             {
                 if (i + 1 >= argc)
                 {
@@ -1512,7 +1512,7 @@ extern "C" HRESULT CoreParseCommandLine(
 
                 pInternalCommand->dwLoggingAttributes |= BURN_LOGGING_ATTRIBUTE_APPEND;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_LOG_MODE), BURN_COMMANDLINE_SWITCH_LOG_MODE, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_LOG_MODE), BURN_COMMANDLINE_SWITCH_LOG_MODE, -1, TRUE))
             {
                 // Get a pointer to the next character after the switch.
                 LPCWSTR wzParam = &argv[i][2 + lstrlenW(BURN_COMMANDLINE_SWITCH_LOG_MODE)];
@@ -1541,7 +1541,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     }
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_ELEVATED, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_ELEVATED, -1, TRUE))
             {
                 if (i + 3 >= argc)
                 {
@@ -1579,7 +1579,7 @@ extern "C" HRESULT CoreParseCommandLine(
 
                 i += 2;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT), BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT, lstrlenW(BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT), BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT, lstrlenW(BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT), TRUE))
             {
                 // Get a pointer to the next character after the switch.
                 LPCWSTR wzParam = &argv[i][1 + lstrlenW(BURN_COMMANDLINE_SWITCH_SYSTEM_COMPONENT)];
@@ -1602,7 +1602,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     pInternalCommand->fArpSystemComponent = TRUE;
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_EMBEDDED, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_EMBEDDED, -1, TRUE))
             {
                 if (i + 3 >= argc)
                 {
@@ -1633,59 +1633,59 @@ extern "C" HRESULT CoreParseCommandLine(
 
                 i += 2;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_DETECT, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_DETECT, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_DETECT;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_UPGRADE, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_UPGRADE, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_UPGRADE;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_ADDON, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_ADDON, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_ADDON;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_DEPENDENT_ADDON, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_DEPENDENT_ADDON, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_DEPENDENT_ADDON;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_PATCH, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_PATCH, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_PATCH;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_DEPENDENT_PATCH, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_DEPENDENT_PATCH, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_DEPENDENT_PATCH;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_UPDATE, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_UPDATE, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_UPDATE;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_CHAIN_PACKAGE, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RELATED_CHAIN_PACKAGE, -1, TRUE))
             {
                 pCommand->relationType = BOOTSTRAPPER_RELATION_CHAIN_PACKAGE;
 
                 LogId(REPORT_STANDARD, MSG_BURN_RUN_BY_RELATED_BUNDLE, LoggingRelationTypeToString(pCommand->relationType));
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_PASSTHROUGH, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_PASSTHROUGH, -1, TRUE))
             {
                 pCommand->fPassthrough = TRUE;
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RUNONCE, -1))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], -1, BURN_COMMANDLINE_SWITCH_RUNONCE, -1, TRUE))
             {
                 switch (pInternalCommand->mode)
                 {
@@ -1698,7 +1698,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     TraceLog(E_INVALIDARG, "Multiple mode command-line switches were provided.");
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES), BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES, lstrlenW(BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES), BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES, lstrlenW(BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES), TRUE))
             {
                 // Get a pointer to the next character after the switch.
                 LPCWSTR wzParam = &argv[i][1 + lstrlenW(BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES)];
@@ -1713,7 +1713,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     ExitOnFailure(hr, "Failed to allocate the list of dependencies to ignore.");
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_ANCESTORS), BURN_COMMANDLINE_SWITCH_ANCESTORS, lstrlenW(BURN_COMMANDLINE_SWITCH_ANCESTORS)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_ANCESTORS), BURN_COMMANDLINE_SWITCH_ANCESTORS, lstrlenW(BURN_COMMANDLINE_SWITCH_ANCESTORS), TRUE))
             {
                 // Get a pointer to the next character after the switch.
                 LPCWSTR wzParam = &argv[i][1 + lstrlenW(BURN_COMMANDLINE_SWITCH_ANCESTORS)];
@@ -1728,7 +1728,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     ExitOnFailure(hr, "Failed to allocate the list of ancestors.");
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY), BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY, lstrlenW(BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY), BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY, lstrlenW(BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY), TRUE))
             {
                 // Get a pointer to the next character after the switch.
                 LPCWSTR wzParam = &argv[i][1 + lstrlenW(BURN_COMMANDLINE_SWITCH_WORKING_DIRECTORY)];
@@ -1743,7 +1743,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     ExitOnFailure(hr, "Failed to store the custom working directory.");
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED), BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED, lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED), BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED, lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED), TRUE))
             {
                 LPCWSTR wzParam = &argv[i][2 + lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_ATTACHED)];
                 if (L'=' != wzParam[-1] || L'\0' == wzParam[0])
@@ -1765,7 +1765,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     }
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF), BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF, lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF), BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF, lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF), TRUE))
             {
                 LPCWSTR wzParam = &argv[i][2 + lstrlenW(BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF)];
                 if (L'=' != wzParam[-1] || L'\0' == wzParam[0])
@@ -1787,7 +1787,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     }
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN), BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN, lstrlenW(BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN), BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN, lstrlenW(BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN), TRUE))
             {
                 LPCWSTR wzParam = &argv[i][2 + lstrlenW(BURN_COMMANDLINE_SWITCH_SPLASH_SCREEN)];
                 if (L'=' != wzParam[-1] || L'\0' == wzParam[0])
@@ -1809,7 +1809,7 @@ extern "C" HRESULT CoreParseCommandLine(
                     }
                 }
             }
-            else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, &argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_PREFIX), BURN_COMMANDLINE_SWITCH_PREFIX, lstrlenW(BURN_COMMANDLINE_SWITCH_PREFIX)))
+            else if (CSTR_EQUAL == ::CompareStringOrdinal(&argv[i][1], lstrlenW(BURN_COMMANDLINE_SWITCH_PREFIX), BURN_COMMANDLINE_SWITCH_PREFIX, lstrlenW(BURN_COMMANDLINE_SWITCH_PREFIX), TRUE))
             {
                 // Skip (but log) any other private burn switches we don't recognize, so that
                 // adding future private variables doesn't break old bundles
diff --git a/src/burn/engine/dependency.cpp b/src/burn/engine/dependency.cpp
index f398a070..767d5004 100644
--- a/src/burn/engine/dependency.cpp
+++ b/src/burn/engine/dependency.cpp
@@ -263,7 +263,7 @@ extern "C" HRESULT DependencyDetectProviderKeyBundleCode(
         hr = StrAllocString(&pRegistration->sczDetectedProviderKeyBundleCode, pRegistration->sczProviderKey, 0);
         ExitOnFailure(hr, "Failed to initialize provider key bundle code.");
     }
-    else if (CSTR_EQUAL != ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pRegistration->sczCode, -1, pRegistration->sczDetectedProviderKeyBundleCode, -1))
+    else if (CSTR_EQUAL != ::CompareStringOrdinal(pRegistration->sczCode, -1, pRegistration->sczDetectedProviderKeyBundleCode, -1, TRUE))
     {
         pRegistration->fDetectedForeignProviderKeyBundleCode = TRUE;
         LogId(REPORT_STANDARD, MSG_DETECTED_FOREIGN_BUNDLE_PROVIDER_REGISTRATION, pRegistration->sczProviderKey, pRegistration->sczDetectedProviderKeyBundleCode);
@@ -293,12 +293,12 @@ extern "C" HRESULT DependencyDetectBundle(
         {
             DEPENDENCY* pDependent = pRegistration->rgDependents + i;
 
-            if (pDependencies->fActiveParent && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pDependencies->wzActiveParent, -1, pDependent->sczKey, -1))
+            if (pDependencies->fActiveParent && CSTR_EQUAL == ::CompareStringOrdinal(pDependencies->wzActiveParent, -1, pDependent->sczKey, -1, TRUE))
             {
                 pRegistration->fParentRegisteredAsDependent = TRUE;
             }
 
-            if (pDependencies->fSelfDependent && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pDependencies->wzSelfDependent, -1, pDependent->sczKey, -1))
+            if (pDependencies->fSelfDependent && CSTR_EQUAL == ::CompareStringOrdinal(pDependencies->wzSelfDependent, -1, pDependent->sczKey, -1, TRUE))
             {
                 pRegistration->fSelfRegisteredAsDependent = TRUE;
             }
@@ -905,7 +905,7 @@ extern "C" HRESULT DependencyDetectCompatibleEntry(
                 continue;
             }
         }
-        else if (sczId && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, wzPackageProviderId, -1, sczId, -1))
+        else if (sczId && CSTR_EQUAL == ::CompareStringOrdinal(wzPackageProviderId, -1, sczId, -1, TRUE))
         {
             continue;
         }
@@ -969,7 +969,7 @@ static HRESULT DetectPackageDependents(
         {
             DEPENDENCY* pDependent = pProvider->rgDependents + iDependent;
 
-            if (CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pRegistration->sczCode, -1, pDependent->sczKey, -1))
+            if (CSTR_EQUAL == ::CompareStringOrdinal(pRegistration->sczCode, -1, pDependent->sczKey, -1, TRUE))
             {
                 pProvider->fBundleRegisteredAsDependent = TRUE;
                 fBundleRegisteredAsDependent = TRUE;
@@ -1043,7 +1043,7 @@ static HRESULT SplitIgnoreDependencies(
             hr = DictAddKey(sdIgnoreDependencies, wzToken);
             ExitOnFailure(hr, "Failed to add \"%ls\" to the string dictionary.", wzToken);
 
-            if (!*pfIgnoreAll && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, L"ALL", -1, wzToken, -1))
+            if (!*pfIgnoreAll && CSTR_EQUAL == ::CompareStringOrdinal(L"ALL", -1, wzToken, -1, TRUE))
             {
                 *pfIgnoreAll = TRUE;
             }
diff --git a/src/burn/engine/detect.cpp b/src/burn/engine/detect.cpp
index 08f6b57c..c19d382c 100644
--- a/src/burn/engine/detect.cpp
+++ b/src/burn/engine/detect.cpp
@@ -130,7 +130,7 @@ extern "C" HRESULT DetectForwardCompatibleBundles(
             BURN_RELATED_BUNDLE* pRelatedBundle = pRegistration->relatedBundles.rgRelatedBundles + iRelatedBundle;
 
             if (BOOTSTRAPPER_RELATION_UPGRADE == pRelatedBundle->detectRelationType &&
-                CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pRegistration->sczDetectedProviderKeyBundleCode, -1, pRelatedBundle->package.sczId, -1))
+                CSTR_EQUAL == ::CompareStringOrdinal(pRegistration->sczDetectedProviderKeyBundleCode, -1, pRelatedBundle->package.sczId, -1, TRUE))
             {
                 hr = VerCompareParsedVersions(pRegistration->pVersion, pRelatedBundle->pVersion, &nCompareResult);
                 ExitOnFailure(hr, "Failed to compare bundle version '%ls' to related bundle version '%ls'", pRegistration->pVersion->sczVersion, pRelatedBundle->pVersion->sczVersion);
diff --git a/src/burn/engine/elevation.cpp b/src/burn/engine/elevation.cpp
index f208efc9..aff05ae3 100644
--- a/src/burn/engine/elevation.cpp
+++ b/src/burn/engine/elevation.cpp
@@ -3380,7 +3380,7 @@ static HRESULT OnUninstallMsiCompatiblePackage(
     }
 
     if (!sczCompatiblePackageId || !*sczCompatiblePackageId ||
-        CSTR_EQUAL != ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pCompatiblePackage->compatibleEntry.sczId, -1, sczCompatiblePackageId, -1))
+        CSTR_EQUAL != ::CompareStringOrdinal(pCompatiblePackage->compatibleEntry.sczId, -1, sczCompatiblePackageId, -1, TRUE))
     {
         ExitWithRootFailure(hr, E_INVALIDARG, "Package '%ls' has no compatible package with id: %ls", sczPackageId, sczCompatiblePackageId);
     }
@@ -3792,7 +3792,7 @@ static HRESULT OnCleanCompatiblePackage(
     }
 
     if (!sczCompatiblePackageId || !*sczCompatiblePackageId ||
-        CSTR_EQUAL != ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pCompatiblePackage->compatibleEntry.sczId, -1, sczCompatiblePackageId, -1))
+        CSTR_EQUAL != ::CompareStringOrdinal(pCompatiblePackage->compatibleEntry.sczId, -1, sczCompatiblePackageId, -1, TRUE))
     {
         ExitWithRootFailure(hr, E_INVALIDARG, "Package '%ls' has no compatible package with id: %ls", sczPackageId, sczCompatiblePackageId);
     }
diff --git a/src/burn/engine/msiengine.cpp b/src/burn/engine/msiengine.cpp
index d5268b17..86fb0d9d 100644
--- a/src/burn/engine/msiengine.cpp
+++ b/src/burn/engine/msiengine.cpp
@@ -523,7 +523,7 @@ extern "C" HRESULT MsiEngineDetectPackage(
             ExitOnFailure(hr, "Failed to enum related products.");
 
             // If we found ourselves, skip because saying that a package is related to itself is nonsensical.
-            if (CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pPackage->Msi.sczProductCode, -1, wzProductCode, -1))
+            if (CSTR_EQUAL == ::CompareStringOrdinal(pPackage->Msi.sczProductCode, -1, wzProductCode, -1, TRUE))
             {
                 continue;
             }
@@ -631,7 +631,7 @@ extern "C" HRESULT MsiEngineDetectPackage(
                 }
                 // It can't be a downgrade if the upgrade codes aren't the same.
                 else if (BOOTSTRAPPER_PACKAGE_STATE_ABSENT == pPackage->currentState &&
-                         pPackage->Msi.sczUpgradeCode && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pPackage->Msi.sczUpgradeCode, -1, pRelatedMsi->sczUpgradeCode, -1))
+                         pPackage->Msi.sczUpgradeCode && CSTR_EQUAL == ::CompareStringOrdinal(pPackage->Msi.sczUpgradeCode, -1, pRelatedMsi->sczUpgradeCode, -1, TRUE))
                 {
                     relatedMsiOperation = BOOTSTRAPPER_RELATED_OPERATION_DOWNGRADE;
                     pPackage->Msi.operation = BOOTSTRAPPER_RELATED_OPERATION_DOWNGRADE;
diff --git a/src/burn/engine/relatedbundle.cpp b/src/burn/engine/relatedbundle.cpp
index 938b24d7..d426dc53 100644
--- a/src/burn/engine/relatedbundle.cpp
+++ b/src/burn/engine/relatedbundle.cpp
@@ -206,7 +206,7 @@ static __callback int __cdecl CompareRelatedBundlesDetect(
         VerCompareParsedVersions(pBundleLeft->pVersion, pBundleRight->pVersion, &ret);
         if (0 == ret)
         {
-            ret = ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pBundleLeft->package.sczId, -1, pBundleRight->package.sczId, -1) - 2;
+            ret = ::CompareStringOrdinal(pBundleLeft->package.sczId, -1, pBundleRight->package.sczId, -1, TRUE) - 2;
         }
     }
 
@@ -249,7 +249,7 @@ static __callback int __cdecl CompareRelatedBundlesPlan(
         VerCompareParsedVersions(pBundleLeft->pVersion, pBundleRight->pVersion, &ret);
         if (0 == ret)
         {
-            ret = ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pBundleLeft->package.sczId, -1, pBundleRight->package.sczId, -1) - 2;
+            ret = ::CompareStringOrdinal(pBundleLeft->package.sczId, -1, pBundleRight->package.sczId, -1, TRUE) - 2;
         }
     }
 
@@ -284,7 +284,7 @@ static HRESULT LoadIfRelatedBundle(
     BURN_RELATED_BUNDLE* pRelatedBundle = NULL;
 
     // If we found our bundle code, it's not a related bundle.
-    if (CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pBundle->wzBundleCode, -1, pRegistration->sczCode, -1))
+    if (CSTR_EQUAL == ::CompareStringOrdinal(pBundle->wzBundleCode, -1, pRegistration->sczCode, -1, TRUE))
     {
         ExitFunction1(hr = S_FALSE);
     }
diff --git a/src/burn/engine/variable.cpp b/src/burn/engine/variable.cpp
index 9d0aec52..dc59916a 100644
--- a/src/burn/engine/variable.cpp
+++ b/src/burn/engine/variable.cpp
@@ -1144,7 +1144,7 @@ extern "C" BOOL VariableIsHiddenCommandLine(
     {
         pVariable = pVariables->rgVariables + i;
 
-        if (pVariable->fHidden && CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pVariable->sczName, -1, wzVariable, -1))
+        if (pVariable->fHidden && CSTR_EQUAL == ::CompareStringOrdinal(pVariable->sczName, -1, wzVariable, -1, TRUE))
         {
             fHidden = TRUE;
             break;
diff --git a/src/burn/test/BurnUnitTest/PlanTest.cpp b/src/burn/test/BurnUnitTest/PlanTest.cpp
index 25a0cb35..e2850a62 100644
--- a/src/burn/test/BurnUnitTest/PlanTest.cpp
+++ b/src/burn/test/BurnUnitTest/PlanTest.cpp
@@ -3161,12 +3161,12 @@ namespace Bootstrapper
 
             if (pDependencies->fSelfDependent || pDependencies->fActiveParent)
             {
-                if (pDependencies->fActiveParent && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pDependencies->wzActiveParent, -1, wzId, -1))
+                if (pDependencies->fActiveParent && CSTR_EQUAL == ::CompareStringOrdinal(pDependencies->wzActiveParent, -1, wzId, -1, TRUE))
                 {
                     pRegistration->fParentRegisteredAsDependent = TRUE;
                 }
 
-                if (pDependencies->fSelfDependent && CSTR_EQUAL == ::CompareStringW(LOCALE_NEUTRAL, NORM_IGNORECASE, pDependencies->wzSelfDependent, -1, wzId, -1))
+                if (pDependencies->fSelfDependent && CSTR_EQUAL == ::CompareStringOrdinal(pDependencies->wzSelfDependent, -1, wzId, -1, TRUE))
                 {
                     pRegistration->fSelfRegisteredAsDependent = TRUE;
                 }