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| author | Daniel Wilhelm <shieldwed@outlook.com> | 2017-02-13 21:25:04 -0700 |
|---|---|---|
| committer | Daniel Wilhelm <shieldwed@outlook.com> | 2017-02-13 21:25:04 -0700 |
| commit | 9d071d2a2cec9a7662a02669488569a017f0ea35 (patch) | |
| tree | c83a623fbdff098339b66d21ea2e81f3f67344ae /zen/crc.h | |
| parent | 8.8 (diff) | |
| download | FreeFileSync-9d071d2a2cec9a7662a02669488569a017f0ea35.tar.gz FreeFileSync-9d071d2a2cec9a7662a02669488569a017f0ea35.tar.bz2 FreeFileSync-9d071d2a2cec9a7662a02669488569a017f0ea35.zip | |
8.9
Diffstat (limited to 'zen/crc.h')
| -rwxr-xr-x[-rw-r--r--] | zen/crc.h | 115 |
1 files changed, 54 insertions, 61 deletions
diff --git a/zen/crc.h b/zen/crc.h index 5c950efc..b4d53d12 100644..100755 --- a/zen/crc.h +++ b/zen/crc.h @@ -1,61 +1,54 @@ -// ***************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 * -// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved * -// ***************************************************************************** - -#ifndef CRC_H_23489275827847235 -#define CRC_H_23489275827847235 - -#ifdef _MSC_VER - #pragma warning(push) - #pragma warning(disable: 4245) //'conversion' : conversion from 'int' to 'const boost::detail::mask_uint_t<0x08>::least', signed/unsigned mismatch -#endif -#include <boost/crc.hpp> -#ifdef _MSC_VER - #pragma warning(pop) -#endif - - -namespace zen -{ -uint16_t getCrc16(const std::string& str); -uint32_t getCrc32(const std::string& str); -template <class ByteIterator> uint16_t getCrc16(ByteIterator first, ByteIterator last); -template <class ByteIterator> uint32_t getCrc32(ByteIterator first, ByteIterator last); - - - - -//------------------------- implementation ------------------------------- -inline uint16_t getCrc16(const std::string& str) { return getCrc16(str.begin(), str.end()); } -inline uint32_t getCrc32(const std::string& str) { return getCrc32(str.begin(), str.end()); } - - -template <class ByteIterator> inline -uint16_t getCrc16(ByteIterator first, ByteIterator last) -{ - static_assert(sizeof(typename std::iterator_traits<ByteIterator>::value_type) == 1, ""); - boost::crc_16_type result; - if (first != last) - result.process_bytes(&*first, last - first); - auto rv = result.checksum(); - static_assert(sizeof(rv) == sizeof(uint16_t), ""); - return rv; -} - - -template <class ByteIterator> inline -uint32_t getCrc32(ByteIterator first, ByteIterator last) -{ - static_assert(sizeof(typename std::iterator_traits<ByteIterator>::value_type) == 1, ""); - boost::crc_32_type result; - if (first != last) - result.process_bytes(&*first, last - first); - auto rv = result.checksum(); - static_assert(sizeof(rv) == sizeof(uint32_t), ""); - return rv; -} -} - -#endif //CRC_H_23489275827847235 +// *****************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 *
+// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
+// *****************************************************************************
+
+#ifndef CRC_H_23489275827847235
+#define CRC_H_23489275827847235
+
+#include <boost/crc.hpp>
+
+
+namespace zen
+{
+uint16_t getCrc16(const std::string& str);
+uint32_t getCrc32(const std::string& str);
+template <class ByteIterator> uint16_t getCrc16(ByteIterator first, ByteIterator last);
+template <class ByteIterator> uint32_t getCrc32(ByteIterator first, ByteIterator last);
+
+
+
+
+//------------------------- implementation -------------------------------
+inline uint16_t getCrc16(const std::string& str) { return getCrc16(str.begin(), str.end()); }
+inline uint32_t getCrc32(const std::string& str) { return getCrc32(str.begin(), str.end()); }
+
+
+template <class ByteIterator> inline
+uint16_t getCrc16(ByteIterator first, ByteIterator last)
+{
+ static_assert(sizeof(typename std::iterator_traits<ByteIterator>::value_type) == 1, "");
+ boost::crc_16_type result;
+ if (first != last)
+ result.process_bytes(&*first, last - first);
+ auto rv = result.checksum();
+ static_assert(sizeof(rv) == sizeof(uint16_t), "");
+ return rv;
+}
+
+
+template <class ByteIterator> inline
+uint32_t getCrc32(ByteIterator first, ByteIterator last)
+{
+ static_assert(sizeof(typename std::iterator_traits<ByteIterator>::value_type) == 1, "");
+ boost::crc_32_type result;
+ if (first != last)
+ result.process_bytes(&*first, last - first);
+ auto rv = result.checksum();
+ static_assert(sizeof(rv) == sizeof(uint32_t), "");
+ return rv;
+}
+}
+
+#endif //CRC_H_23489275827847235
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