-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
#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 <alloca.h>
#include <stdbool.h>
+#include <stddef.h>
#include "macro.h"
+#include "string-util.h"
#include "time-util.h"
-#define DEFAULT_PATH_NORMAL "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin"
-#define DEFAULT_PATH_SPLIT_USR DEFAULT_PATH_NORMAL ":/sbin:/bin"
+#define PATH_SPLIT_SBIN_BIN(x) x "sbin:" x "bin"
+#define PATH_SPLIT_SBIN_BIN_NULSTR(x) x "sbin\0" x "bin\0"
+
+#define PATH_NORMAL_SBIN_BIN(x) x "bin"
+#define PATH_NORMAL_SBIN_BIN_NULSTR(x) x "bin\0"
-#ifdef HAVE_SPLIT_USR
+#if HAVE_SPLIT_BIN
+# define PATH_SBIN_BIN(x) PATH_SPLIT_SBIN_BIN(x)
+# define PATH_SBIN_BIN_NULSTR(x) PATH_SPLIT_SBIN_BIN_NULSTR(x)
+#else
+# define PATH_SBIN_BIN(x) PATH_NORMAL_SBIN_BIN(x)
+# define PATH_SBIN_BIN_NULSTR(x) PATH_NORMAL_SBIN_BIN_NULSTR(x)
+#endif
+
+#define DEFAULT_PATH_NORMAL PATH_SBIN_BIN("/usr/local/") ":" PATH_SBIN_BIN("/usr/")
+#define DEFAULT_PATH_NORMAL_NULSTR PATH_SBIN_BIN_NULSTR("/usr/local/") PATH_SBIN_BIN_NULSTR("/usr/")
+#define DEFAULT_PATH_SPLIT_USR DEFAULT_PATH_NORMAL ":" PATH_SBIN_BIN("/")
+#define DEFAULT_PATH_SPLIT_USR_NULSTR DEFAULT_PATH_NORMAL_NULSTR PATH_SBIN_BIN_NULSTR("/")
+#define DEFAULT_PATH_COMPAT PATH_SPLIT_SBIN_BIN("/usr/local/") ":" PATH_SPLIT_SBIN_BIN("/usr/") ":" PATH_SPLIT_SBIN_BIN("/")
+
+#if HAVE_SPLIT_USR
# define DEFAULT_PATH DEFAULT_PATH_SPLIT_USR
+# define DEFAULT_PATH_NULSTR DEFAULT_PATH_SPLIT_USR_NULSTR
#else
# define DEFAULT_PATH DEFAULT_PATH_NORMAL
+# define DEFAULT_PATH_NULSTR DEFAULT_PATH_NORMAL_NULSTR
#endif
bool is_path(const char *p) _pure_;
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int path_split_and_make_absolute(const char *p, char ***ret);
#endif // 0
bool path_is_absolute(const char *p) _pure_;
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
char* path_make_absolute(const char *p, const char *prefix);
#endif // 0
+int safe_getcwd(char **ret);
int path_make_absolute_cwd(const char *p, char **ret);
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int path_make_relative(const char *from_dir, const char *to_path, char **_r);
#endif // 0
-char* path_kill_slashes(char *path);
char* path_startswith(const char *path, const char *prefix) _pure_;
int path_compare(const char *a, const char *b) _pure_;
bool path_equal(const char *a, const char *b) _pure_;
-bool path_equal_or_files_same(const char *a, const char *b);
-/// UNNEEDED by elogind
-#if 0
+bool path_equal_or_files_same(const char *a, const char *b, int flags);
char* path_join(const char *root, const char *path, const char *rest);
+char* path_simplify(char *path, bool kill_dots);
+
+static inline bool path_equal_ptr(const char *a, const char *b) {
+ return !!a == !!b && (!a || path_equal(a, b));
+}
+
+/* Note: the search terminates on the first NULL item. */
+#define PATH_IN_SET(p, ...) \
+ ({ \
+ char **s; \
+ bool _found = false; \
+ STRV_FOREACH(s, STRV_MAKE(__VA_ARGS__)) \
+ if (path_equal(p, *s)) { \
+ _found = true; \
+ break; \
+ } \
+ _found; \
+ })
+
+#if 0 /// UNNEEDED by elogind
+#define PATH_STARTSWITH_SET(p, ...) \
+ ({ \
+ char **s; \
+ bool _found = false; \
+ STRV_FOREACH(s, STRV_MAKE(__VA_ARGS__)) \
+ if (path_startswith(p, *s)) { \
+ _found = true; \
+ break; \
+ } \
+ _found; \
+ })
int path_strv_make_absolute_cwd(char **l);
#endif // 0
-char** path_strv_resolve(char **l, const char *prefix);
-char** path_strv_resolve_uniq(char **l, const char *prefix);
+char** path_strv_resolve(char **l, const char *root);
+char** path_strv_resolve_uniq(char **l, const char *root);
-/// UNNEEDED by elogind
-#if 0
int find_binary(const char *name, char **filename);
+#if 0 /// UNNEEDED by elogind
bool paths_check_timestamp(const char* const* paths, usec_t *paths_ts_usec, bool update);
int fsck_exists(const char *fstype);
* 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), true); _slash = strrchr((prefix), '/'))
+ for (char *_slash = ({ path_simplify(strcpy(prefix, path), false); streq(prefix, "/") ? NULL : strrchr(prefix, '/'); }); _slash && ((*_slash = 0), true); _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), true); _slash = strrchr((prefix), '/'))
+ for (char *_slash = ({ path_simplify(strcpy(prefix, path), false); if (streq(prefix, "/")) prefix[0] = 0; strrchr(prefix, 0); }); _slash && ((*_slash = 0), true); _slash = strrchr((prefix), '/'))
char *prefix_root(const char *root, const char *path);
size_t _l; \
while (_path[0] == '/' && _path[1] == '/') \
_path ++; \
- if (isempty(_root) || path_equal(_root, "/")) \
+ if (empty_or_root(_root)) \
_ret = _path; \
else { \
_l = strlen(_root) + 1 + strlen(_path) + 1; \
_ret; \
})
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int parse_path_argument_and_warn(const char *path, bool suppress_root, char **arg);
#endif // 0
char* dirname_malloc(const char *path);
+const char *last_path_component(const char *path);
bool filename_is_valid(const char *p) _pure_;
-bool path_is_safe(const char *p) _pure_;
+bool path_is_normalized(const char *p) _pure_;
char *file_in_same_dir(const char *path, const char *filename);
-bool hidden_file_allow_backup(const char *filename);
-bool hidden_file(const char *filename) _pure_;
+bool hidden_or_backup_file(const char *filename) _pure_;
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
bool is_device_path(const char *path);
+
+bool valid_device_node_path(const char *path);
+bool valid_device_allow_pattern(const char *path);
+
+int systemd_installation_has_version(const char *root, unsigned minimal_version);
#endif // 0
+
+bool dot_or_dot_dot(const char *path);
+
+static inline const char *skip_dev_prefix(const char *p) {
+ const char *e;
+
+ /* Drop any /dev prefix if there is any */
+
+ e = path_startswith(p, "/dev/");
+
+ return e ?: p;
+}
+
+bool empty_or_root(const char *root);
+static inline const char *empty_to_root(const char *path) {
+ return isempty(path) ? "/" : path;
+}
+
+enum {
+ PATH_CHECK_FATAL = 1 << 0, /* If not set, then error message is appended with 'ignoring'. */
+ PATH_CHECK_ABSOLUTE = 1 << 1,
+ PATH_CHECK_RELATIVE = 1 << 2,
+};
+
+int path_simplify_and_warn(char *path, unsigned flag, const char *unit, const char *filename, unsigned line, const char *lvalue);
~ianmdlvl / elogind.git / blobdiff