1//===-- Checksum.cpp ------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "lldb/Utility/Checksum.h"
10#include "llvm/ADT/STLExtras.h"
11#include "llvm/ADT/SmallString.h"
12
13using namespace lldb_private;
14
15Checksum::Checksum(llvm::MD5::MD5Result md5) { SetMD5(md5); }
16
17Checksum::Checksum(const Checksum &checksum) { SetMD5(checksum.m_checksum); }
18
19Checksum &Checksum::operator=(const Checksum &checksum) {
20 SetMD5(checksum.m_checksum);
21 return *this;
22}
23
24void Checksum::SetMD5(llvm::MD5::MD5Result md5) {
25 const constexpr size_t md5_length = 16;
26 std::uninitialized_copy_n(first: md5.begin(), n: md5_length, result: m_checksum.begin());
27}
28
29Checksum::operator bool() const { return !llvm::equal(LRange: m_checksum, RRange&: g_sentinel); }
30
31bool Checksum::operator==(const Checksum &checksum) const {
32 return llvm::equal(LRange: m_checksum, RRange: checksum.m_checksum);
33}
34
35bool Checksum::operator!=(const Checksum &checksum) const {
36 return !(*this == checksum);
37}
38
39std::string Checksum::digest() const {
40 return std::string(m_checksum.digest());
41}
42
43llvm::MD5::MD5Result Checksum::g_sentinel = {
44 {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
45

source code of lldb/source/Utility/Checksum.cpp