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
|
/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#include <stdio.h>
#include <string.h>
#include <libudev.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "common.h"
#include "gbmint.h"
GBM_EXPORT struct udev_device *
_gbm_udev_device_new_from_fd(struct udev *udev, int fd)
{
struct udev_device *device;
struct stat buf;
if (fstat(fd, &buf) < 0) {
fprintf(stderr, "gbm: failed to stat fd %d", fd);
return NULL;
}
device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
if (device == NULL) {
fprintf(stderr,
"gbm: could not create udev device for fd %d", fd);
return NULL;
}
return device;
}
GBM_EXPORT char *
_gbm_fd_get_device_name(int fd)
{
struct udev *udev;
struct udev_device *device;
const char *const_device_name;
char *device_name = NULL;
udev = udev_new();
device = _gbm_udev_device_new_from_fd(udev, fd);
if (device == NULL)
return NULL;
const_device_name = udev_device_get_devnode(device);
if (!const_device_name)
goto out;
device_name = strdup(const_device_name);
out:
udev_device_unref(device);
udev_unref(udev);
return device_name;
}
GBM_EXPORT void
_gbm_log(const char *fmt_str, ...)
{
}
|