1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* 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)));
#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;
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[NAME_MAX];
#endif
|