OpenSTA/util/Hash.cc

34 lines
1005 B
C++

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2024, Parallax Software, Inc.
//
// 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 <https://www.gnu.org/licenses/>.
#include "Hash.hh"
#include <cstring>
namespace sta {
size_t
hashString(const char *str)
{
size_t hash = hash_init_value;
size_t length = strlen(str);
for (size_t i = 0; i < length; i++)
hash = ((hash << 5) + hash) ^ str[i];
return hash;
}
} // namespace