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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h b/Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h
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+/*************************************************************************
+** CRC32.h **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2012 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** 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; either version 3 of **
+** the License, or (at your option) any later version. **
+** **
+** 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 <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#ifndef CRC32_H
+#define CRC32_H
+
+#include <cstdlib>
+#include <istream>
+#include "types.h"
+
+class CRC32
+{
+ public:
+ CRC32 ();
+ void update (const UInt8 *bytes, size_t len);
+ void update (UInt32 n, int bytes=4);
+ void update (const char *str);
+ void update (std::istream &is);
+ UInt32 get () const;
+ void reset ();
+ static UInt32 compute (const UInt8 *bytes, size_t len);
+ static UInt32 compute (const char *str);
+ static UInt32 compute (std::istream &is);
+
+ protected:
+ CRC32 (const CRC32 &crc32) {}
+
+ private:
+ UInt32 _crc32;
+ UInt32 _tab[256];
+};
+
+
+#endif