[thirdparty/systemd.git] / src / basic / device-nodes.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  This file is part of systemd.

  Copyright 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 <http://www.gnu.org/licenses/>.
***/

#include <stddef.h>
#include <sys/types.h>

#include "macro.h"
#include "stdio-util.h"

int encode_devnode_name(const char *str, char *str_enc, size_t len);
int whitelisted_char_for_devnode(char c, const char *additional);

#define SYS_BLOCK_PATH_MAX(suffix)                                      \
        (strlen("/sys/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t) + strlen_ptr(suffix))
#define xsprintf_sys_block_path(buf, suffix, devno)                     \
        xsprintf(buf, "/sys/dev/block/%u:%u%s", major(devno), minor(devno), strempty(suffix))
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
036ae95a KS	2	#pragma once
036ae95a KS	3
8f6ce71f DR	4	/***
	5	This file is part of systemd.
	6
	7	Copyright 2012 Lennart Poettering
	8
	9	systemd is free software; you can redistribute it and/or modify it
	10	under the terms of the GNU Lesser General Public License as published by
	11	the Free Software Foundation; either version 2.1 of the License, or
	12	(at your option) any later version.
	13
	14	systemd is distributed in the hope that it will be useful, but
	15	WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	Lesser General Public License for more details.
	18
	19	You should have received a copy of the GNU Lesser General Public License
	20	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	21	***/
	22
11c3a366	23	#include <stddef.h>
6550203e LP	24	#include <sys/types.h>
6550203e LP	25
553e15f2 ZJS	26	#include "macro.h"
	27	#include "stdio-util.h"
	28
8f6ce71f DR	29	int encode_devnode_name(const char str, char str_enc, size_t len);
8f6ce71f DR	30	int whitelisted_char_for_devnode(char c, const char *additional);
553e15f2 ZJS	31
	32	#define SYS_BLOCK_PATH_MAX(suffix) \
	33	(strlen("/sys/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t) + strlen_ptr(suffix))
	34	#define xsprintf_sys_block_path(buf, suffix, devno) \
	35	xsprintf(buf, "/sys/dev/block/%u:%u%s", major(devno), minor(devno), strempty(suffix))