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git.proxmox.com Git - systemd.git/blob - src/udev/udevadm-util.c
1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2008-2009 Kay Sievers <kay@vrfy.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "path-util.h"
20 #include "string-util.h"
21 #include "udevadm-util.h"
23 struct udev_device
*find_device(struct udev
*udev
,
30 if (prefix
&& !startswith(id
, prefix
))
31 id
= strjoina(prefix
, id
);
33 if (path_startswith(id
, "/dev/")) {
37 if (stat(id
, &statbuf
) < 0)
40 if (S_ISBLK(statbuf
.st_mode
))
42 else if (S_ISCHR(statbuf
.st_mode
))
47 return udev_device_new_from_devnum(udev
, type
, statbuf
.st_rdev
);
48 } else if (path_startswith(id
, "/sys/"))
49 return udev_device_new_from_syspath(udev
, id
);