crashpad/util/file/file_seeker.cc
Mark Mentovai 89ca2fbba7 Add FileReaderInterface::ReadExactly() and
FileSeekerInterface::SeekSet().

These methods perform common error checking.

TEST=util_test StringFile.*
R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/913223008
2015-02-18 18:22:39 -05:00

38 lines
1.1 KiB
C++

// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "util/file/file_seeker.h"
#include "base/logging.h"
namespace crashpad {
FileOffset FileSeekerInterface::SeekGet() {
return Seek(0, SEEK_CUR);
}
bool FileSeekerInterface::SeekSet(FileOffset offset) {
FileOffset rv = Seek(offset, SEEK_SET);
if (rv < 0) {
// Seek() will have logged its own error.
return false;
} else if (rv != offset) {
LOG(ERROR) << "SeekSet(): expected " << offset << ", observed " << rv;
return false;
}
return true;
}
} // namespace crashpad