+#ifndef __MAKEWITH_GNUEFI
+EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation = NULL;
+
+static EFI_STATUS
+InitializeUnicodeCollationProtocol (VOID)
+{
+ EFI_STATUS Status;
+
+ if (mUnicodeCollation != NULL) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // BUGBUG: Proper impelmentation is to locate all Unicode Collation Protocol
+ // instances first and then select one which support English language.
+ // Current implementation just pick the first instance.
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiUnicodeCollation2ProtocolGuid,
+ NULL,
+ (VOID **) &mUnicodeCollation
+ );
+ if (EFI_ERROR(Status)) {
+ Status = gBS->LocateProtocol (
+ &gEfiUnicodeCollationProtocolGuid,
+ NULL,
+ (VOID **) &mUnicodeCollation
+ );
+
+ }
+ return Status;
+}
+
+static BOOLEAN
+MetaiMatch (IN CHAR16 *String, IN CHAR16 *Pattern)
+{
+ if (!mUnicodeCollation) {
+ InitializeUnicodeCollationProtocol();
+ }
+ if (mUnicodeCollation)
+ return mUnicodeCollation->MetaiMatch (mUnicodeCollation, String, Pattern);
+ return FALSE; // Shouldn't happen
+}
+
+static VOID StrLwr (IN OUT CHAR16 *Str) {
+ if (!mUnicodeCollation) {
+ InitializeUnicodeCollationProtocol();
+ }
+ if (mUnicodeCollation)
+ mUnicodeCollation->StrLwr (mUnicodeCollation, Str);
+}
+
+#endif
+