1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2010-2012 Lennart Poettering
13 #include <sys/statfs.h>
14 #include <sys/types.h>
19 #if 0 /// UNNEEDED by elogind
20 int is_symlink(const char *path);
22 int is_dir(const char *path, bool follow);
23 #if 0 /// UNNEEDED by elogind
24 int is_device_node(const char *path);
26 int dir_is_empty(const char *path);
28 static inline int dir_is_populated(const char *path) {
30 r = dir_is_empty(path);
37 bool null_or_empty(struct stat *st) _pure_;
38 int null_or_empty_path(const char *fn);
39 #if 0 /// UNNEEDED by elogind
40 int null_or_empty_fd(int fd);
43 int path_is_read_only_fs(const char *path);
44 #if 0 /// UNNEEDED by elogind
47 int files_same(const char *filea, const char *fileb, int flags);
49 /* The .f_type field of struct statfs is really weird defined on
50 * different archs. Let's give its type a name. */
51 typedef typeof(((struct statfs*)NULL)->f_type) statfs_f_type_t;
53 bool is_fs_type(const struct statfs *s, statfs_f_type_t magic_value) _pure_;
54 #if 0 /// UNNEEDED by elogind
56 int fd_is_fs_type(int fd, statfs_f_type_t magic_value);
57 int path_is_fs_type(const char *path, statfs_f_type_t magic_value);
59 bool is_temporary_fs(const struct statfs *s) _pure_;
60 bool is_network_fs(const struct statfs *s) _pure_;
62 #if 0 /// UNNEEDED by elogind
63 int fd_is_temporary_fs(int fd);
64 int fd_is_network_fs(int fd);
66 int fd_is_network_ns(int fd);
68 int path_is_temporary_fs(const char *path);
71 /* Because statfs.t_type can be int on some architectures, we have to cast
72 * the const magic to the type, otherwise the compiler warns about
73 * signed/unsigned comparison, because the magic can be 32 bit unsigned.
75 #define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
77 int stat_verify_regular(const struct stat *st);
78 int fd_verify_regular(int fd);