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98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
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* udev.h
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*
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* Userspace devfs
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*
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* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef UDEV_H
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#define UDEV_H
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#include "libsysfs/libsysfs.h"
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#include <limits.h>
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#ifdef DEBUG
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#include <syslog.h>
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#define dbg(format, arg...) \
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do { \
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log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
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} while (0)
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#else
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#define dbg(format, arg...) do { } while (0)
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#endif
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/* Parser needs it's own debugging statement, we usually don't care about this at all */
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#ifdef DEBUG_PARSER
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#define dbg_parse(format, arg...) \
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do { \
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log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
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} while (0)
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#else
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#define dbg_parse(format, arg...) do { } while (0)
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#endif
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extern int log_message (int level, const char *format, ...)
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__attribute__ ((format (printf, 2, 3)));
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/* filenames for the config and database files */
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#define UDEV_DB ".udev.tdb"
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#define UDEV_CONFIG_PERMISSION_FILE "udev.permissions"
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#define UDEV_CONFIG_FILE "udev.config"
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#define NAME_SIZE 100
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#define OWNER_SIZE 30
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#define GROUP_SIZE 30
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struct udevice {
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char name[NAME_SIZE];
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char owner[OWNER_SIZE];
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char group[GROUP_SIZE];
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char type;
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int major;
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int minor;
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mode_t mode;
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/* fields that help us in building strings */
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unsigned char bus_id[SYSFS_NAME_LEN];
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unsigned char callout_value[NAME_SIZE];
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unsigned char kernel_number[NAME_SIZE];
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};
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#define strfieldcpy(to, from) \
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do { \
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to[sizeof(to)-1] = '\0'; \
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strncpy(to, from, sizeof(to)-1); \
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} while (0)
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extern int udev_add_device(char *path, char *subsystem);
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extern int udev_remove_device(char *path, char *subsystem);
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extern char **main_argv;
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extern char **main_envp;
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extern char sysfs_path[SYSFS_PATH_MAX];
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extern char *udev_config_dir;
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extern char *udev_root;
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extern char udev_db_filename[PATH_MAX+NAME_MAX];
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extern char udev_config_permission_filename[PATH_MAX+NAME_MAX];
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extern char udev_config_filename[PATH_MAX+NAME_MAX];
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#endif
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