102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
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/* Remove directory entries.
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Copyright (C) 1998-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef REMOVE_H
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# define REMOVE_H
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# include "dev-ino.h"
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enum rm_interactive
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{
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/* Start with any number larger than 1, so that any legacy tests
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against values of 0 or 1 will fail. */
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RMI_ALWAYS = 3,
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RMI_SOMETIMES,
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RMI_NEVER
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};
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struct rm_options
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{
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/* If true, ignore nonexistent files. */
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bool ignore_missing_files;
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/* If true, query the user about whether to remove each file. */
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enum rm_interactive interactive;
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// FIXME: remove
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/* If true, do not traverse into (or remove) any directory that is
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on a file system (i.e., that has a different device number) other
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than that of the corresponding command line argument. Note that
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even without this option, rm will fail in the end, due to its
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probable inability to remove the mount point. But there, the
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diagnostic comes too late -- after removing all contents. */
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bool one_file_system;
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/* If true, recursively remove directories. */
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bool recursive;
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/* If true, remove empty directories. */
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bool remove_empty_directories;
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/* Pointer to the device and inode numbers of '/', when --recursive
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and preserving '/'. Otherwise NULL. */
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struct dev_ino *root_dev_ino;
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/* If true, do not traverse into (or remove) any directory that is
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the root of a file system. I.e., a separate device. */
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bool preserve_all_root;
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/* If nonzero, stdin is a tty. */
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bool stdin_tty;
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/* If true, display the name of each file removed. */
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bool verbose;
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/* If true, treat the failure by the rm function to restore the
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current working directory as a fatal error. I.e., if this field
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is true and the rm function cannot restore cwd, it must exit with
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a nonzero status. Some applications require that the rm function
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restore cwd (e.g., mv) and some others do not (e.g., rm,
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in many cases). */
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bool require_restore_cwd;
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};
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enum RM_status
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{
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/* These must be listed in order of increasing seriousness. */
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RM_OK = 2,
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RM_USER_DECLINED,
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RM_ERROR,
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RM_NONEMPTY_DIR
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};
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# define VALID_STATUS(S) \
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((S) == RM_OK || (S) == RM_USER_DECLINED || (S) == RM_ERROR)
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# define UPDATE_STATUS(S, New_value) \
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do \
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{ \
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if ((New_value) == RM_ERROR \
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|| ((New_value) == RM_USER_DECLINED && (S) == RM_OK)) \
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(S) = (New_value); \
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} \
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while (0)
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extern enum RM_status rm (char *const *file, struct rm_options const *x);
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#endif
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