1 /*
2 * Copyright © 2007 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, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
27
28 #include <limits.h>
29 #include "drmtest.h"
30
31 /**
32 * Checks DRM_IOCTL_GET_CLIENT.
33 */
main(int argc,char ** argv)34 int main(int argc, char **argv)
35 {
36 int fd, ret;
37 drm_client_t client;
38
39 fd = drm_open_any();
40
41 /* Look for client index 0. This should exist whether we're operating
42 * on an otherwise unused drm device, or the X Server is running on
43 * the device.
44 */
45 client.idx = 0;
46 ret = ioctl(fd, DRM_IOCTL_GET_CLIENT, &client);
47 assert(ret == 0);
48
49 /* Look for some absurd client index and make sure it's invalid.
50 * The DRM drivers currently always return data, so the user has
51 * no real way to detect when the list has terminated. That's bad,
52 * and this test is XFAIL as a result.
53 */
54 client.idx = 0x7fffffff;
55 ret = ioctl(fd, DRM_IOCTL_GET_CLIENT, &client);
56 assert(ret == -1 && errno == EINVAL);
57
58 close(fd);
59 return 0;
60 }
61