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
98
99
100
101
102
103
104
105
106
|
/* SPDX-License-Identifier: GPL-2.0+ */
#include <errno.h>
#include <getopt.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include "path-util.h"
#include "string-util.h"
#include "udev.h"
#include "udevadm.h"
static const char *arg_command = NULL;
static char arg_syspath[UTIL_PATH_SIZE] = {};
static int help(void) {
printf("%s test-builtin [OPTIONS] COMMAND DEVPATH\n\n"
"Test a built-in command.\n\n"
" -h --help Print this message\n"
" -V --version Print version of the program\n\n"
"Commands:\n"
, program_invocation_short_name);
udev_builtin_list();
return 0;
}
static int parse_argv(int argc, char *argv[]) {
static const struct option options[] = {
{ "version", no_argument, NULL, 'V' },
{ "help", no_argument, NULL, 'h' },
{}
};
const char *s;
int c;
while ((c = getopt_long(argc, argv, "Vh", options, NULL)) >= 0)
switch (c) {
case 'V':
return print_version();
case 'h':
return help();
case '?':
return -EINVAL;
default:
assert_not_reached("Unknown option");
}
arg_command = argv[optind++];
if (!arg_command) {
log_error("Command missing.");
return -EINVAL;
}
s = argv[optind++];
if (!s) {
log_error("syspath missing.");
return -EINVAL;
}
/* add /sys if needed */
if (!path_startswith(s, "/sys"))
strscpyl(arg_syspath, sizeof(arg_syspath), "/sys", s, NULL);
else
strscpy(arg_syspath, sizeof(arg_syspath), s);
return 1;
}
int builtin_main(int argc, char *argv[], void *userdata) {
_cleanup_(udev_device_unrefp) struct udev_device *dev = NULL;
enum udev_builtin_cmd cmd;
int r;
log_set_max_level(LOG_DEBUG);
r = parse_argv(argc, argv);
if (r <= 0)
return r;
udev_builtin_init();
cmd = udev_builtin_lookup(arg_command);
if (cmd >= UDEV_BUILTIN_MAX) {
log_error("Unknown command '%s'", arg_command);
r = -EINVAL;
goto finish;
}
dev = udev_device_new_from_syspath(NULL, arg_syspath);
if (!dev) {
r = log_error_errno(errno, "Failed to open device '%s'", arg_syspath);
goto finish;
}
r = udev_builtin_run(dev, cmd, arg_command, true);
if (r < 0)
log_debug("error executing '%s', exit code %i", arg_command, r);
finish:
udev_builtin_exit();
return r;
}
|
