1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 Copyright 2010-2012 Lennart Poettering
11 #include <sys/statfs.h>
12 #include <sys/types.h>
17 #if 0 /// UNNEEDED by elogind
18 int is_symlink(const char *path);
20 int is_dir(const char *path, bool follow);
21 #if 0 /// UNNEEDED by elogind
22 int is_device_node(const char *path);
24 int dir_is_empty(const char *path);
26 static inline int dir_is_populated(const char *path) {
28 r = dir_is_empty(path);
35 bool null_or_empty(struct stat *st) _pure_;
36 int null_or_empty_path(const char *fn);
37 #if 0 /// UNNEEDED by elogind
38 int null_or_empty_fd(int fd);
41 int path_is_read_only_fs(const char *path);
42 #if 0 /// UNNEEDED by elogind
45 int files_same(const char *filea, const char *fileb, int flags);
47 /* The .f_type field of struct statfs is really weird defined on
48 * different archs. Let's give its type a name. */
49 typedef typeof(((struct statfs*)NULL)->f_type) statfs_f_type_t;
51 bool is_fs_type(const struct statfs *s, statfs_f_type_t magic_value) _pure_;
52 #if 0 /// UNNEEDED by elogind
54 int fd_is_fs_type(int fd, statfs_f_type_t magic_value);
55 int path_is_fs_type(const char *path, statfs_f_type_t magic_value);
57 bool is_temporary_fs(const struct statfs *s) _pure_;
58 bool is_network_fs(const struct statfs *s) _pure_;
60 #if 0 /// UNNEEDED by elogind
61 int fd_is_temporary_fs(int fd);
62 int fd_is_network_fs(int fd);
64 int fd_is_network_ns(int fd);
66 int path_is_temporary_fs(const char *path);
69 /* Because statfs.t_type can be int on some architectures, we have to cast
70 * the const magic to the type, otherwise the compiler warns about
71 * signed/unsigned comparison, because the magic can be 32 bit unsigned.
73 #define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
75 int stat_verify_regular(const struct stat *st);
76 int fd_verify_regular(int fd);