OpenSTA/util/Hash.cc

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2023, 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 <string.h>

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