1 files changed, 74 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTUtf16NCmpUtf8.cpp b/src/VBox/Runtime/common/string/RTUtf16NCmpUtf8.cpp
new file mode 100644
index 00000000..bd9bf4e0
--- /dev/null
+++ b/src/VBox/Runtime/common/string/RTUtf16NCmpUtf8.cpp
@@ -0,0 +1,74 @@
+/* $Id: RTUtf16NCmpUtf8.cpp $ */
+/** @file
+ * IPRT - RTUtf16NCmpUtf8.
+ */
+
+/*
+ * Copyright (C) 2010-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/utf16.h>
+#include "internal/iprt.h"
+
+
+RTDECL(int) RTUtf16NCmpUtf8(PCRTUTF16 pwsz1, const char *psz2, size_t cwcMax1, size_t cchMax2)
+{
+    if (!pwsz1 || !cwcMax1)
+        return -1;
+    if (!psz2 || !cchMax2)
+        return 1;
+
+    while (cwcMax1 > 0 && cchMax2 > 0)
+    {
+        RTUNICP uc1;
+        int rc = RTUtf16GetCpNEx(&pwsz1, &cwcMax1, &uc1);
+        if (RT_SUCCESS(rc))
+        {
+            RTUNICP uc2;
+            rc = RTStrGetCpNEx(&psz2, &cchMax2, &uc2);
+            if (RT_SUCCESS(rc))
+            {
+                if (uc1 != uc2)
+                    return uc1 < uc2 ? -1 : 1;
+                if (!uc1)
+                    return 0;
+            }
+            else
+                return 1;
+        }
+    }
+    return 0;
+}
+RT_EXPORT_SYMBOL(RTUtf16NCmpUtf8);
+