1/*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 *    Benjamin Franzke <benjaminfranzke@googlemail.com>
26 */
27
28#include <stdio.h>
29#include <string.h>
30
31#include <libudev.h>
32#include <sys/types.h>
33#include <sys/stat.h>
34#include <unistd.h>
35
36#include "common.h"
37#include "gbmint.h"
38
39GBM_EXPORT struct udev_device *
40_gbm_udev_device_new_from_fd(struct udev *udev, int fd)
41{
42   struct udev_device *device;
43   struct stat buf;
44
45   if (fstat(fd, &buf) < 0) {
46      fprintf(stderr, "gbm: failed to stat fd %d", fd);
47      return NULL;
48   }
49
50   device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
51   if (device == NULL) {
52      fprintf(stderr,
53              "gbm: could not create udev device for fd %d", fd);
54      return NULL;
55   }
56
57   return device;
58}
59
60GBM_EXPORT char *
61_gbm_fd_get_device_name(int fd)
62{
63   struct udev *udev;
64   struct udev_device *device;
65   const char *const_device_name;
66   char *device_name = NULL;
67
68   udev = udev_new();
69   device = _gbm_udev_device_new_from_fd(udev, fd);
70   if (device == NULL)
71      return NULL;
72
73   const_device_name = udev_device_get_devnode(device);
74   if (!const_device_name)
75      goto out;
76   device_name = strdup(const_device_name);
77
78out:
79   udev_device_unref(device);
80   udev_unref(udev);
81
82   return device_name;
83}
84
85GBM_EXPORT void
86_gbm_log(const char *fmt_str, ...)
87{
88}
89