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+/* $Id: scmdiff.h $ */
+/** @file
+ * IPRT Testcase / Tool - Source Code Massager Diff Code.
+ */
+
+/*
+ * Copyright (C) 2010-2020 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.
+ */
+
+#ifndef VBOX_INCLUDED_SRC_bldprogs_scmdiff_h
+#define VBOX_INCLUDED_SRC_bldprogs_scmdiff_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/stream.h>
+#include "scmstream.h"
+
+RT_C_DECLS_BEGIN
+
+/**
+ * Diff state.
+ */
+typedef struct SCMDIFFSTATE
+{
+ size_t cDiffs;
+ const char *pszFilename;
+
+ PSCMSTREAM pLeft;
+ PSCMSTREAM pRight;
+
+ /** Whether to ignore end of line markers when diffing. */
+ bool fIgnoreEol;
+ /** Whether to ignore trailing whitespace. */
+ bool fIgnoreTrailingWhite;
+ /** Whether to ignore leading whitespace. */
+ bool fIgnoreLeadingWhite;
+ /** Whether to print special characters in human readable form or not. */
+ bool fSpecialChars;
+ /** The tab size. */
+ size_t cchTab;
+ /** Where to push the diff. */
+ PRTSTREAM pDiff;
+} SCMDIFFSTATE;
+/** Pointer to a diff state. */
+typedef SCMDIFFSTATE *PSCMDIFFSTATE;
+
+
+size_t ScmDiffStreams(const char *pszFilename, PSCMSTREAM pLeft, PSCMSTREAM pRight, bool fIgnoreEol,
+ bool fIgnoreLeadingWhite, bool fIgnoreTrailingWhite, bool fSpecialChars,
+ size_t cchTab, PRTSTREAM pDiff);
+
+RT_C_DECLS_END
+
+#endif /* !VBOX_INCLUDED_SRC_bldprogs_scmdiff_h */
+