1 /* SPDX-License-Identifier: LGPL-2.1+ */
7 #include <sys/statfs.h>
13 #if 0 /// UNNEEDED by elogind
14 int is_symlink(const char *path);
16 int is_dir(const char *path, bool follow);
17 #if 0 /// UNNEEDED by elogind
18 int is_device_node(const char *path);
20 int dir_is_empty(const char *path);
22 static inline int dir_is_populated(const char *path) {
24 r = dir_is_empty(path);
31 bool null_or_empty(struct stat *st) _pure_;
32 int null_or_empty_path(const char *fn);
33 #if 0 /// UNNEEDED by elogind
34 int null_or_empty_fd(int fd);
37 int path_is_read_only_fs(const char *path);
38 #if 0 /// UNNEEDED by elogind
41 int files_same(const char *filea, const char *fileb, int flags);
43 /* The .f_type field of struct statfs is really weird defined on
44 * different archs. Let's give its type a name. */
45 typedef typeof(((struct statfs*)NULL)->f_type) statfs_f_type_t;
47 bool is_fs_type(const struct statfs *s, statfs_f_type_t magic_value) _pure_;
48 #if 0 /// UNNEEDED by elogind
50 int fd_is_fs_type(int fd, statfs_f_type_t magic_value);
51 int path_is_fs_type(const char *path, statfs_f_type_t magic_value);
53 bool is_temporary_fs(const struct statfs *s) _pure_;
54 bool is_network_fs(const struct statfs *s) _pure_;
56 #if 0 /// UNNEEDED by elogind
57 int fd_is_temporary_fs(int fd);
58 int fd_is_network_fs(int fd);
60 int fd_is_network_ns(int fd);
62 int path_is_temporary_fs(const char *path);
65 /* Because statfs.t_type can be int on some architectures, we have to cast
66 * the const magic to the type, otherwise the compiler warns about
67 * signed/unsigned comparison, because the magic can be 32 bit unsigned.
69 #define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
71 int stat_verify_regular(const struct stat *st);
72 int fd_verify_regular(int fd);