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75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
// 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 "util/file/file_io.h"
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#include "base/logging.h"
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#include "base/numerics/safe_conversions.h"
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namespace crashpad {
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bool LoggingReadFile(FileHandle file, void* buffer, size_t size) {
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FileOperationResult expect = base::checked_cast<FileOperationResult>(size);
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FileOperationResult rv = ReadFile(file, buffer, size);
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if (rv < 0) {
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PLOG(ERROR) << "read";
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return false;
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}
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if (rv != expect) {
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LOG(ERROR) << "read: expected " << expect << ", observed " << rv;
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return false;
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}
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return true;
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}
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bool LoggingWriteFile(FileHandle file, const void* buffer, size_t size) {
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FileOperationResult expect = base::checked_cast<FileOperationResult>(size);
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FileOperationResult rv = WriteFile(file, buffer, size);
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if (rv < 0) {
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PLOG(ERROR) << "write";
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return false;
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}
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if (rv != expect) {
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LOG(ERROR) << "write: expected " << expect << ", observed " << rv;
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return false;
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}
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return true;
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}
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void CheckedReadFile(FileHandle file, void* buffer, size_t size) {
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CHECK(LoggingReadFile(file, buffer, size));
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}
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void CheckedWriteFile(FileHandle file, const void* buffer, size_t size) {
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CHECK(LoggingWriteFile(file, buffer, size));
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}
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void CheckedReadFileAtEOF(FileHandle file) {
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char c;
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FileOperationResult rv = ReadFile(file, &c, 1);
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if (rv < 0) {
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PCHECK(rv == 0) << "read";
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} else {
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CHECK_EQ(rv, 0) << "read";
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}
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}
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void CheckedCloseFile(FileHandle file) {
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CHECK(LoggingCloseFile(file));
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}
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} // namespace crashpad
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