Checksum.cpp

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//===-- Checksum.cpp ------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#include "lldb/Utility/Checksum.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
 
using namespace lldb_private;
 
Checksum::Checksum(llvm::MD5::MD5Result md5) { SetMD5(md5); }
 
Checksum::Checksum(const Checksum &checksum) { SetMD5(checksum.m_checksum); }
 
Checksum &Checksum::operator=(const Checksum &checksum) {
  SetMD5(checksum.m_checksum);
  return *this;
}
 
void Checksum::SetMD5(llvm::MD5::MD5Result md5) { m_checksum = md5; }
 
Checksum::operator bool() const { return !llvm::equal(m_checksum, g_sentinel); }
 
bool Checksum::operator==(const Checksum &checksum) const {
  return llvm::equal(m_checksum, checksum.m_checksum);
}
 
bool Checksum::operator!=(const Checksum &checksum) const {
  return !(*this == checksum);
}
 
std::string Checksum::digest() const {
  return std::string(m_checksum.digest());
}
 
llvm::MD5::MD5Result Checksum::g_sentinel = {
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};