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91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
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// Copyright 2014 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "minidump/minidump_string_writer.h"
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#include "base/logging.h"
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#include "minidump/minidump_writer_util.h"
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#include "util/numeric/safe_assignment.h"
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namespace crashpad {
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namespace internal {
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template <typename Traits>
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MinidumpStringWriter<Traits>::MinidumpStringWriter()
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: MinidumpWritable(), string_base_(), string_() {
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}
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template <typename Traits>
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MinidumpStringWriter<Traits>::~MinidumpStringWriter() {
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}
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template <typename Traits>
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bool MinidumpStringWriter<Traits>::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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if (!MinidumpWritable::Freeze()) {
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return false;
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}
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size_t string_bytes = string_.size() * sizeof(string_[0]);
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if (!AssignIfInRange(&string_base_.Length, string_bytes)) {
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LOG(ERROR) << "string_bytes " << string_bytes << " out of range";
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return false;
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}
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return true;
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}
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template <typename Traits>
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size_t MinidumpStringWriter<Traits>::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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// Include the NUL terminator.
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return sizeof(string_base_) + (string_.size() + 1) * sizeof(string_[0]);
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}
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template <typename Traits>
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bool MinidumpStringWriter<Traits>::WriteObject(
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FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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// The string’s length is stored in string_base_, and its data is stored in
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// string_. Write them both.
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WritableIoVec iov;
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iov.iov_base = &string_base_;
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iov.iov_len = sizeof(string_base_);
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std::vector<WritableIoVec> iovecs(1, iov);
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// Include the NUL terminator.
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iov.iov_base = &string_[0];
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iov.iov_len = (string_.size() + 1) * sizeof(string_[0]);
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iovecs.push_back(iov);
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return file_writer->WriteIoVec(&iovecs);
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}
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// Explicit template instantiation of the forms of MinidumpStringWriter<> used
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// as base classes.
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template class MinidumpStringWriter<MinidumpStringWriterUTF16Traits>;
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template class MinidumpStringWriter<MinidumpStringWriterUTF8Traits>;
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void MinidumpUTF16StringWriter::SetUTF8(const std::string& string_utf8) {
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DCHECK_EQ(state(), kStateMutable);
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set_string(MinidumpWriterUtil::ConvertUTF8ToUTF16(string_utf8));
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}
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} // namespace internal
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} // namespace crashpad
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