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/*
* 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 <limits.h>
#ifdef DEBUG
#include <syslog.h>
#define dbg(format, arg...) \
do { \
log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
} while (0)
#else
#define dbg(format, arg...) do { } while (0)
#endif
/* Parser needs it's own debugging statement, we usually don't care about this at all */
#ifdef DEBUG_PARSER
#define dbg_parse(format, arg...) \
do { \
log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
} while (0)
#else
#define dbg_parse(format, arg...) do { } while (0)
#endif
extern int log_message (int level, const char *format, ...)
__attribute__ ((format (printf, 2, 3)));
/* filenames for the config and database files */
#define UDEV_DB "udev.tdb"
#define UDEV_CONFIG_PERMISSION_FILE "udev.permissions"
#define UDEV_CONFIG_FILE "udev.config"
#define NAME_SIZE 100
#define OWNER_SIZE 30
#define GROUP_SIZE 30
struct udevice {
char name[NAME_SIZE];
char owner[OWNER_SIZE];
char group[GROUP_SIZE];
char type;
int major;
int minor;
mode_t mode;
/* fields that help us in building strings */
unsigned char bus_id[SYSFS_NAME_LEN];
unsigned char callout_value[NAME_SIZE];
unsigned char kernel_number[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 char **main_argv;
extern char **main_envp;
extern char sysfs_path[SYSFS_PATH_MAX];
extern char *udev_config_dir;
extern char *udev_root;
extern char udev_db_filename[PATH_MAX+NAME_MAX];
extern char udev_config_permission_filename[PATH_MAX+NAME_MAX];
extern char udev_config_filename[PATH_MAX+NAME_MAX];
#endif
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