matrixfurry.com
The open source OpenXR runtime
1// Copyright 2019-2022, Collabora, Ltd.
2// SPDX-License-Identifier: BSL-1.0
3/*!
4 * @file
5 * @brief Helpers for prober related code.
6 * @author Jakob Bornecrantz <jakob@collabora.com>
7 * @author Lubosz Sarnecki <lubosz.sarnecki@collabora.com>
8 * @ingroup aux_util
9 */
10
11#include "xrt/xrt_prober.h"
12
13#include "u_prober.h"
14
15#include <string.h>
16
17
18/*
19 *
20 * Helpers.
21 *
22 */
23
24#define ENUM_TO_STR(r) \
25 case r: return #r
26
27
28/*
29 *
30 * 'Exported' functions.
31 *
32 */
33
34const char *
35u_prober_string_to_string(enum xrt_prober_string t)
36{
37 switch (t) {
38 ENUM_TO_STR(XRT_PROBER_STRING_MANUFACTURER);
39 ENUM_TO_STR(XRT_PROBER_STRING_PRODUCT);
40 ENUM_TO_STR(XRT_PROBER_STRING_SERIAL_NUMBER);
41 }
42 return "XRT_PROBER_STRING_<INVALID>";
43}
44
45const char *
46u_prober_bus_type_to_string(enum xrt_bus_type t)
47{
48 switch (t) {
49 ENUM_TO_STR(XRT_BUS_TYPE_UNKNOWN);
50 ENUM_TO_STR(XRT_BUS_TYPE_USB);
51 ENUM_TO_STR(XRT_BUS_TYPE_BLUETOOTH);
52 }
53 return "XRT_BUS_TYPE_<INVALID>";
54}
55
56bool
57u_prober_match_string(struct xrt_prober *xp,
58 struct xrt_prober_device *dev,
59 enum xrt_prober_string type,
60 const char *to_match)
61{
62 unsigned char s[256] = {0};
63 int len = xrt_prober_get_string_descriptor(xp, dev, type, s, sizeof(s));
64 if (len <= 0) {
65 return false;
66 }
67
68 return 0 == strncmp(to_match, (const char *)s, sizeof(s));
69}