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sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$') Bug: chromium:1098010 Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
// Copyright 2019 The Crashpad Authors
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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 "util/stream/log_output_stream.h"
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#include <string.h>
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#include <algorithm>
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#include "base/check.h"
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#include "base/logging.h"
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namespace crashpad {
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LogOutputStream::LogOutputStream(std::unique_ptr<Delegate> delegate)
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: delegate_(std::move(delegate)),
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output_count_(0),
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flush_needed_(false),
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flushed_(false) {
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buffer_.reserve(delegate_->LineWidth());
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}
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LogOutputStream::~LogOutputStream() {
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DCHECK(!flush_needed_);
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}
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bool LogOutputStream::Write(const uint8_t* data, size_t size) {
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DCHECK(!flushed_);
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static constexpr char kBeginMessage[] = "-----BEGIN CRASHPAD MINIDUMP-----";
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if (output_count_ == 0 && WriteToLog(kBeginMessage) < 0) {
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return false;
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}
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flush_needed_ = true;
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while (size > 0) {
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size_t m = std::min(delegate_->LineWidth() - buffer_.size(), size);
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buffer_.append(reinterpret_cast<const char*>(data), m);
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data += m;
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size -= m;
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if (buffer_.size() == delegate_->LineWidth() && !WriteBuffer()) {
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return false;
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}
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}
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return true;
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}
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bool LogOutputStream::WriteBuffer() {
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if (buffer_.empty())
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return true;
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static constexpr char kAbortMessage[] = "-----ABORT CRASHPAD MINIDUMP-----";
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output_count_ += buffer_.size();
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if (output_count_ > delegate_->OutputCap()) {
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WriteToLog(kAbortMessage);
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flush_needed_ = false;
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return false;
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}
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int result = WriteToLog(buffer_.c_str());
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if (result < 0) {
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if (result == -EAGAIN) {
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WriteToLog(kAbortMessage);
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}
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flush_needed_ = false;
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return false;
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}
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buffer_.clear();
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return true;
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}
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int LogOutputStream::WriteToLog(const char* buf) {
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return delegate_->Log(buf);
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}
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bool LogOutputStream::Flush() {
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bool result = true;
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if (flush_needed_) {
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flush_needed_ = false;
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flushed_ = true;
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static constexpr char kEndMessage[] = "-----END CRASHPAD MINIDUMP-----";
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if (!WriteBuffer() || WriteToLog(kEndMessage) < 0) {
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result = false;
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}
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}
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return result;
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}
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} // namespace crashpad
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