From 8fcde01280adcbd07e8205b91ac52b06305b6208 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 26 Oct 2015 22:01:44 +0100 Subject: util-lib: split stat()/statfs()/stavfs() related calls into stat-util.[ch] --- src/basic/stat-util.h | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/basic/stat-util.h (limited to 'src/basic/stat-util.h') diff --git a/src/basic/stat-util.h b/src/basic/stat-util.h new file mode 100644 index 0000000000..cb00e0f564 --- /dev/null +++ b/src/basic/stat-util.h @@ -0,0 +1,63 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#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 . +***/ + +#include +#include +#include + +#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); + +/* The .f_type field of struct statfs is really weird defined on + * different archs. Let's use our own type we know is sufficiently + * larger to store the possible values. */ +typedef long statfs_f_type_t; + +bool is_fs_type(const struct statfs *s, statfs_f_type_t magic_value) _pure_; +int fd_check_fstype(int fd, statfs_f_type_t magic_value); +int path_check_fstype(const char *path, statfs_f_type_t magic_value); + +bool is_temporary_fs(const struct statfs *s) _pure_; +int fd_is_temporary_fs(int fd); -- cgit v1.2.3-54-g00ecf