[thirdparty/systemd.git] / udev.h

/*
 * udev.h
 *
 * Userspace devfs
 *
 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the
 *	Free Software Foundation version 2 of the License.
 * 
 *	This program 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
 *	General Public License for more details.
 * 
 *	You should have received a copy of the GNU General Public License along
 *	with this program; if not, write to the Free Software Foundation, Inc.,
 *	675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef UDEV_H
#define UDEV_H

#include "libsysfs/libsysfs.h"
#include <sys/param.h>

#define COMMENT_CHARACTER		'#'

#define NAME_SIZE	100
#define OWNER_SIZE	30
#define GROUP_SIZE	30
#define MODE_SIZE	8

struct udevice {
	char name[NAME_SIZE];
	char owner[OWNER_SIZE];
	char group[GROUP_SIZE];
	char type;
	int major;
	int minor;
	mode_t mode;
	char symlink[NAME_SIZE];

	/* fields that help us in building strings */
	unsigned char bus_id[SYSFS_NAME_LEN];
	unsigned char program_result[NAME_SIZE];
	unsigned char kernel_number[NAME_SIZE];
	unsigned char kernel_name[NAME_SIZE];
};

#define strfieldcpy(to, from) \
do { \
	to[sizeof(to)-1] = '\0'; \
	strncpy(to, from, sizeof(to)-1); \
} while (0)

extern int udev_add_device(char *path, char *subsystem);
extern int udev_remove_device(char *path, char *subsystem);
extern void udev_init_config(void);

extern char **main_argv;
extern char **main_envp;
extern char sysfs_path[SYSFS_PATH_MAX];
extern char udev_root[PATH_MAX];
extern char udev_db_filename[PATH_MAX+NAME_MAX];
extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
extern char udev_config_filename[PATH_MAX+NAME_MAX];
extern char udev_rules_filename[PATH_MAX+NAME_MAX];
extern char default_mode_str[MODE_SIZE];
extern char default_owner_str[OWNER_SIZE];
extern char default_group_str[GROUP_SIZE];

#endif
Commit	Line	Data
	1	/*
	2	* udev.h
	3	*
	4	* Userspace devfs
	5	*
	6	* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation version 2 of the License.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License along
	18	* with this program; if not, write to the Free Software Foundation, Inc.,
	19	* 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*
	21	*/
	22
	23	#ifndef UDEV_H
	24	#define UDEV_H
	25
	26	#include "libsysfs/libsysfs.h"
	27	#include <sys/param.h>
	28
	29	#define COMMENT_CHARACTER '#'
	30
	31	#define NAME_SIZE 100
	32	#define OWNER_SIZE 30
	33	#define GROUP_SIZE 30
	34	#define MODE_SIZE 8
	35
	36	struct udevice {
	37	char name[NAME_SIZE];
	38	char owner[OWNER_SIZE];
	39	char group[GROUP_SIZE];
	40	char type;
	41	int major;
	42	int minor;
	43	mode_t mode;
	44	char symlink[NAME_SIZE];
	45
	46	/* fields that help us in building strings */
	47	unsigned char bus_id[SYSFS_NAME_LEN];
	48	unsigned char program_result[NAME_SIZE];
	49	unsigned char kernel_number[NAME_SIZE];
	50	unsigned char kernel_name[NAME_SIZE];
	51	};
	52
	53	#define strfieldcpy(to, from) \
	54	do { \
	55	to[sizeof(to)-1] = '\0'; \
	56	strncpy(to, from, sizeof(to)-1); \
	57	} while (0)
	58
	59	extern int udev_add_device(char path, char subsystem);
	60	extern int udev_remove_device(char path, char subsystem);
	61	extern void udev_init_config(void);
	62
	63	extern char **main_argv;
	64	extern char **main_envp;
	65	extern char sysfs_path[SYSFS_PATH_MAX];
	66	extern char udev_root[PATH_MAX];
	67	extern char udev_db_filename[PATH_MAX+NAME_MAX];
	68	extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
	69	extern char udev_config_filename[PATH_MAX+NAME_MAX];
	70	extern char udev_rules_filename[PATH_MAX+NAME_MAX];
	71	extern char default_mode_str[MODE_SIZE];
	72	extern char default_owner_str[OWNER_SIZE];
	73	extern char default_group_str[GROUP_SIZE];
	74
	75	#endif