1 files changed, 58 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/path/RTPathParentLength.cpp.h b/src/VBox/Runtime/common/path/RTPathParentLength.cpp.h
new file mode 100644
index 00000000..9d24129b
--- /dev/null
+++ b/src/VBox/Runtime/common/path/RTPathParentLength.cpp.h
@@ -0,0 +1,58 @@
+/* $Id: RTPathParentLength.cpp.h $ */
+/** @file
+ * IPRT - RTPathParentLength - Code Template.
+ *
+ * This file included multiple times with different path style macros.
+ */
+
+/*
+ * Copyright (C) 2019-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+#include "rtpath-root-length-template.cpp.h"
+
+/**
+ * @copydoc RTPathParentLengthEx
+ */
+static size_t RTPATH_STYLE_FN(rtPathParentLength)(const char *pszPath, uint32_t fFlags)
+{
+    /*
+     * Determin the length of the root component so we can make sure
+     * we don't try ascend higher than it.
+     */
+    size_t const cchRoot = RTPATH_STYLE_FN(rtPathRootLengthEx)(pszPath, fFlags);
+
+    /*
+     * Rewind to the start of the final component.
+     */
+    size_t cch = strlen(pszPath);
+
+    /* Trailing slashes: */
+    while (cch > cchRoot && RTPATH_IS_SLASH(pszPath[cch - 1]))
+        cch--;
+
+    /* The component: */
+    while (cch > cchRoot && !RTPATH_IS_SEP(pszPath[cch - 1]))
+        cch--;
+
+    /* Done! */
+    return cch;
+}
+