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2bfd3c4edc
This change stops IsRegularFile and IsDirectory from logging an error in the instance that a file or directory cannot be found. Change-Id: I9f3c409933245708db775f566a27f5e49b2c71f3 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/1795924 Commit-Queue: Francois Rousseau <frousseau@google.com> Reviewed-by: Scott Graham <scottmg@chromium.org>
117 lines
4.8 KiB
C++
117 lines
4.8 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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#ifndef CRASHPAD_UTIL_FILE_FILESYSTEM_H_
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#define CRASHPAD_UTIL_FILE_FILESYSTEM_H_
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#include <time.h>
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#include "base/files/file_path.h"
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#include "util/file/file_io.h"
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namespace crashpad {
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//! \brief Determines the modification time for a file, directory, or symbolic
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//! link, logging a message on failure.
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//!
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//! \param[in] path The file to get the modification time for.
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//! \param[out] mtime The modification time as seconds since the POSIX Epoch.
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//! \return `true` on success. `false` on failure with a message logged.
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bool FileModificationTime(const base::FilePath& path, timespec* mtime);
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//! \brief Creates a directory, logging a message on failure.
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//!
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//! \param[in] path The path to the directory to create.
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//! \param[in] permissions The permissions to use if the directory is created.
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//! \param[in] may_reuse If `true`, this function will return `true` if a
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//! directory or symbolic link to a directory with path \a path already
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//! exists. If the directory already exists, it's permissions may differ
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//! from \a permissions.
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//! \return `true` if the directory is successfully created or it already
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//! existed and \a may_reuse is `true`. Otherwise, `false`.
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bool LoggingCreateDirectory(const base::FilePath& path,
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FilePermissions permissions,
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bool may_reuse);
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//! \brief Moves a file, symbolic link, or directory, logging a message on
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//! failure.
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//!
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//! \a source must exist and refer to a file, symbolic link, or directory.
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//!
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//! \a source and \a dest must be on the same filesystem.
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//!
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//! If \a dest exists, it may be overwritten:
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//!
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//! If \a dest exists and refers to a file or to a live or dangling symbolic
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//! link to a file, it will be overwritten if \a source also refers to a file or
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//! to a live or dangling symbolic link to a file or directory.
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//!
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//! On POSIX, if \a dest refers to a directory, it will be overwritten only if
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//! it is empty and \a source also refers to a directory.
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//!
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//! On Windows, if \a dest refers to a directory or to a live or dangling
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//! symbolic link to a directory, it will not be overwritten.
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//!
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//! \param[in] source The path to the file to be moved.
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//! \param[in] dest The new path for the file.
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//! \return `true` on success. `false` on failure with a message logged.
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bool MoveFileOrDirectory(const base::FilePath& source,
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const base::FilePath& dest);
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//! \brief Determines if a path refers to a regular file, logging a message on
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//! failure.
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//!
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//! On POSIX, this function returns `true` if \a path refers to a file that is
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//! not a symbolic link, directory, or other kind of special file. If this
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//! function fails because \a path does not exist, then no message is logged.
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//!
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//! On Windows, this function returns `true` if \a path refers to a file that
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//! is not a symbolic link or directory.
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//!
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//! \param[in] path The path to the file to check.
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//! \return `true` if the file exists and is a regular file. Otherwise `false`.
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bool IsRegularFile(const base::FilePath& path);
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//! \brief Determines if a path refers to a directory, logging a message on
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//! failure.
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//!
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//! On POSIX, if this function fails because \a path does not exist, then no
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//! message is logged.
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//!
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//! \param[in] path The path to check.
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//! \param[in] allow_symlinks Whether to allow the final component in the path
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//! to be a symbolic link to a directory.
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//! \return `true` if the path exists and is a directory. Otherwise `false`.
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bool IsDirectory(const base::FilePath& path, bool allow_symlinks);
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//! \brief Removes a file or a symbolic link to a file or directory, logging a
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//! message on failure.
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//!
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//! \param[in] path The path to the file to remove.
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//! \return `true` on success. `false` on failure with a message logged.
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bool LoggingRemoveFile(const base::FilePath& path);
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//! \brief Non-recurseively removes an empty directory, logging a message on
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//! failure.
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//!
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//! This function will not remove symbolic links to directories.
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//!
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//! \param[in] path The to the directory to remove.
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//! \return `true` if the directory was removed. Otherwise, `false`.
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bool LoggingRemoveDirectory(const base::FilePath& path);
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_FILE_FILESYSTEM_H_
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