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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chrome/chrome_elf/third_party_dlls/status_codes.h"
#include <assert.h>
namespace third_party_dlls {
const wchar_t kStatusCodesRegValue[] = L"StatusCodes";
void AddStatusCodeToBuffer(ThirdPartyStatus code,
std::vector<uint8_t>* buffer) {
assert(buffer);
// If the existing buffer of status codes is corrupt, overwrite it.
if (buffer->size() % sizeof(ThirdPartyStatus) != 0) {
buffer->clear();
}
size_t original_size_bytes = buffer->size();
// Add space for an additional status code.
buffer->resize(original_size_bytes + sizeof(ThirdPartyStatus));
// Append the status code in an endian-agnostic way.
ThirdPartyStatus* temp_array =
reinterpret_cast<ThirdPartyStatus*>(&(*buffer)[0]);
temp_array[original_size_bytes / sizeof(ThirdPartyStatus)] = code;
}
void ConvertBufferToStatusCodes(const std::vector<uint8_t>& buffer,
std::vector<ThirdPartyStatus>* codes) {
assert(codes);
codes->clear();
if (buffer.size() && (buffer.size() % sizeof(ThirdPartyStatus) == 0)) {
codes->resize(buffer.size() / sizeof(ThirdPartyStatus));
::memcpy(&(*codes)[0], &buffer[0], buffer.size());
}
}
} // namespace third_party_dlls
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