/* * 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> #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))); /* default filenames for the config and database files */ #define UDEV_CONFIG_FILE "udev.conf" #define UDEV_DB ".udev.tdb" #define UDEV_RULES_FILE "udev.rules" #define UDEV_PERMISSION_FILE "udev.permissions" #define COMMENT_CHARACTER '#' #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 void udev_init_config(void); extern char **main_argv; extern char **main_envp; extern char sysfs_path[SYSFS_PATH_MAX]; extern char udev_config_dir[PATH_MAX]; extern char udev_root[PATH_MAX]; extern char udev_db_filename[PATH_MAX+NAME_MAX]; extern char udev_permission_filename[PATH_MAX+NAME_MAX]; extern char udev_config_filename[PATH_MAX+NAME_MAX]; extern char udev_rules_filename[PATH_MAX+NAME_MAX]; #endif