/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #pragma once /*** This file is part of systemd. Copyright 2010-2012 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdbool.h> #include "macro.h" #include "time-util.h" #ifdef HAVE_SPLIT_USR # define DEFAULT_PATH "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" #else # define DEFAULT_PATH "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin" #endif bool is_path(const char *p) _pure_; char** path_split_and_make_absolute(const char *p); char* path_get_file_name(const char *p) _pure_; int path_get_parent(const char *path, char **parent); bool path_is_absolute(const char *p) _pure_; char* path_make_absolute(const char *p, const char *prefix); char* path_make_absolute_cwd(const char *p); char* path_kill_slashes(char *path); char* path_startswith(const char *path, const char *prefix) _pure_; bool path_equal(const char *a, const char *b) _pure_; char** path_strv_make_absolute_cwd(char **l); char** path_strv_canonicalize(char **l); char** path_strv_canonicalize_uniq(char **l); int path_is_mount_point(const char *path, bool allow_symlink); int path_is_read_only_fs(const char *path); int path_is_os_tree(const char *path); int find_binary(const char *name, char **filename); bool paths_check_timestamp(char **paths, usec_t *paths_ts_usec, bool update); /* Iterates through the path prefixes of the specified path, going up * the tree, to root. Also returns "" (and not "/"!) for the root * directory. Excludes the specified directory itself */ #define PATH_FOREACH_PREFIX(prefix, path) \ for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); streq(prefix, "/") ? NULL : strrchr(prefix, '/'); }); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/')) /* Same as PATH_FOREACH_PREFIX but also includes the specified path itself */ #define PATH_FOREACH_PREFIX_MORE(prefix, path) \ for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); if (streq(prefix, "/")) prefix[0] = 0; strrchr(prefix, 0); }); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/'))