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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2010-2012 Lennart Poettering
***/
#include <stdbool.h>
#include <stddef.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <sys/types.h>
#include <sys/vfs.h>
#include "macro.h"
int is_symlink(const char *path);
int is_dir(const char *path, bool follow);
int is_device_node(const char *path);
int dir_is_empty(const char *path);
static inline int dir_is_populated(const char *path) {
int r;
r = dir_is_empty(path);
if (r < 0)
return r;
return !r;
}
bool null_or_empty(struct stat *st) _pure_;
int null_or_empty_path(const char *fn);
int null_or_empty_fd(int fd);
int path_is_read_only_fs(const char *path);
int path_is_os_tree(const char *path);
int files_same(const char *filea, const char *fileb, int flags);
/* The .f_type field of struct statfs is really weird defined on
* different archs. Let's give its type a name. */
typedef typeof(((struct statfs*)NULL)->f_type) statfs_f_type_t;
bool is_fs_type(const struct statfs *s, statfs_f_type_t magic_value) _pure_;
int fd_is_fs_type(int fd, statfs_f_type_t magic_value);
int path_is_fs_type(const char *path, statfs_f_type_t magic_value);
bool is_temporary_fs(const struct statfs *s) _pure_;
bool is_network_fs(const struct statfs *s) _pure_;
int fd_is_temporary_fs(int fd);
int fd_is_network_fs(int fd);
int fd_is_network_ns(int fd);
int path_is_temporary_fs(const char *path);
/* Because statfs.t_type can be int on some architectures, we have to cast
* the const magic to the type, otherwise the compiler warns about
* signed/unsigned comparison, because the magic can be 32 bit unsigned.
*/
#define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
int stat_verify_regular(const struct stat *st);
int fd_verify_regular(int fd);
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