1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010-2012 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
27 #include "time-util.h"
29 #define DEFAULT_PATH_NORMAL "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin"
30 #define DEFAULT_PATH_SPLIT_USR DEFAULT_PATH_NORMAL ":/sbin:/bin"
33 # define DEFAULT_PATH DEFAULT_PATH_SPLIT_USR
35 # define DEFAULT_PATH DEFAULT_PATH_NORMAL
38 bool is_path(const char *p) _pure_;
39 char** path_split_and_make_absolute(const char *p);
40 int path_get_parent(const char *path, char **parent);
41 bool path_is_absolute(const char *p) _pure_;
42 char* path_make_absolute(const char *p, const char *prefix);
43 char* path_make_absolute_cwd(const char *p);
44 int path_make_relative(const char *from_dir, const char *to_path, char **_r);
45 char* path_kill_slashes(char *path);
46 char* path_startswith(const char *path, const char *prefix) _pure_;
47 bool path_equal(const char *a, const char *b) _pure_;
48 bool path_equal_or_files_same(const char *a, const char *b);
49 char* path_join(const char *root, const char *path, const char *rest);
51 char** path_strv_make_absolute_cwd(char **l);
52 char** path_strv_resolve(char **l, const char *prefix);
53 char** path_strv_resolve_uniq(char **l, const char *prefix);
55 int path_is_mount_point(const char *path, bool allow_symlink);
56 int path_is_read_only_fs(const char *path);
57 int path_is_os_tree(const char *path);
59 int find_binary(const char *name, bool local, char **filename);
61 bool paths_check_timestamp(const char* const* paths, usec_t *paths_ts_usec, bool update);
63 int fsck_exists(const char *fstype);
65 /* Iterates through the path prefixes of the specified path, going up
66 * the tree, to root. Also returns "" (and not "/"!) for the root
67 * directory. Excludes the specified directory itself */
68 #define PATH_FOREACH_PREFIX(prefix, path) \
69 for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); streq(prefix, "/") ? NULL : strrchr(prefix, '/'); }); _slash && ((*_slash = 0), true); _slash = strrchr((prefix), '/'))
71 /* Same as PATH_FOREACH_PREFIX but also includes the specified path itself */
72 #define PATH_FOREACH_PREFIX_MORE(prefix, path) \
73 for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); if (streq(prefix, "/")) prefix[0] = 0; strrchr(prefix, 0); }); _slash && ((*_slash = 0), true); _slash = strrchr((prefix), '/'))