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ad49fcfad6
Bug: chromium:949321 Change-Id: I0c73d730ede912a7be0b22ea3ab384a8fda2e528 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/1564512 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Egor Pasko <pasko@chromium.org>
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
// Copyright 2017 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/directory_reader.h"
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#include <dirent.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include "base/logging.h"
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namespace crashpad {
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#define HANDLE_EINTR_IF_EQ(x, val) \
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({ \
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decltype(x) eintr_wrapper_result; \
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do { \
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eintr_wrapper_result = (x); \
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} while (eintr_wrapper_result == (val) && errno == EINTR); \
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eintr_wrapper_result; \
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})
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DirectoryReader::DirectoryReader() : dir_() {}
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DirectoryReader::~DirectoryReader() {}
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bool DirectoryReader::Open(const base::FilePath& path) {
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dir_.reset(HANDLE_EINTR_IF_EQ(opendir(path.value().c_str()), nullptr));
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if (!dir_.is_valid()) {
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PLOG(ERROR) << "opendir " << path.value();
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return false;
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}
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return true;
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}
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DirectoryReader::Result DirectoryReader::NextFile(base::FilePath* filename) {
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DCHECK(dir_.is_valid());
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errno = 0;
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dirent* entry = HANDLE_EINTR_IF_EQ(readdir(dir_.get()), nullptr);
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if (!entry) {
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if (errno) {
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PLOG(ERROR) << "readdir " << filename->value();
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return Result::kError;
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} else {
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return Result::kNoMoreFiles;
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}
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}
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if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
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return NextFile(filename);
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}
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*filename = base::FilePath(entry->d_name);
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return Result::kSuccess;
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}
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int DirectoryReader::DirectoryFD() {
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DCHECK(dir_.is_valid());
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int rv = dirfd(dir_.get());
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if (rv < 0) {
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PLOG(ERROR) << "dirfd";
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}
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return rv;
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}
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} // namespace crashpad
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