[Lldb-commits] [lldb] [lldb] Add Checksum class to lldbUtility (PR #71456)

[Med Ismail Bennani via lldb-commits]

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@@ -0,0 +1,46 @@
+//===-- 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/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) {
+  std::uninitialized_copy_n(md5.begin(), 16, m_checksum.begin());
+}
+
+Checksum::operator bool() const {
+  return !std::equal(m_checksum.begin(), m_checksum.end(), sentinel.begin());
+}
+
+bool Checksum::operator==(const Checksum &checksum) const {
+  return std::equal(m_checksum.begin(), m_checksum.end(),
+                    checksum.m_checksum.begin());
+}
+
+bool Checksum::operator!=(const Checksum &checksum) const {
+  return !std::equal(m_checksum.begin(), m_checksum.end(),
+                     checksum.m_checksum.begin());
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medismailben wrote:

Can't you just call `operator==` and check for the opposite return value ?

https://github.com/llvm/llvm-project/pull/71456