| 1 | // |
| 2 | // Hash.cpp |
| 3 | // |
| 4 | // Library: Foundation |
| 5 | // Package: Hashing |
| 6 | // Module: Hash |
| 7 | // |
| 8 | // Copyright (c) 2006, Applied Informatics Software Engineering GmbH. |
| 9 | // and Contributors. |
| 10 | // |
| 11 | // SPDX-License-Identifier: BSL-1.0 |
| 12 | // |
| 13 | |
| 14 | |
| 15 | #include "Poco/Hash.h" |
| 16 | |
| 17 | |
| 18 | namespace Poco { |
| 19 | |
| 20 | |
| 21 | std::size_t hash(const std::string& str) |
| 22 | { |
| 23 | std::size_t h = 0; |
| 24 | std::string::const_iterator it = str.begin(); |
| 25 | std::string::const_iterator end = str.end(); |
| 26 | while (it != end) |
| 27 | { |
| 28 | h = h * 0xf4243 ^ *it++; |
| 29 | } |
| 30 | return h; |
| 31 | } |
| 32 | |
| 33 | |
| 34 | } // namespace Poco |
| 35 | |