1/* $NetBSD: dev_verbose.c,v 1.3 2016/10/26 06:10:39 pgoyette Exp $ */
2
3/*
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include <sys/cdefs.h>
26__KERNEL_RCSID(0, "$NetBSD: dev_verbose.c,v 1.3 2016/10/26 06:10:39 pgoyette Exp $");
27
28#include <sys/param.h>
29
30#ifdef _KERNEL
31#include <sys/systm.h>
32#else
33#include <stdio.h>
34#include <string.h>
35#endif
36
37#include <dev/dev_verbose.h>
38
39static const char *
40dev_untokenstring(const char *words, const uint16_t *token, char *buf,
41 size_t len)
42{
43 char *cp = buf;
44 size_t newlen;
45
46 buf[0] = '\0';
47 for (; *token != 0; token++) {
48 newlen = strlcat(buf, words + *token, len - 2);
49 if (newlen > len - 2)
50 newlen = len - 2;
51 cp = buf + newlen;
52 cp[0] = ' ';
53 cp[1] = '\0';
54 }
55 *cp = '\0';
56 return cp != buf ? buf : NULL;
57}
58
59const char *
60dev_findvendor(char *buf, size_t len, const char *words, size_t nwords,
61 const uint16_t *vendors, size_t nvendors, uint16_t vendor)
62{
63 size_t n;
64
65 for (n = 0; n < nvendors; n++) {
66 if (vendors[n] == vendor)
67 return dev_untokenstring(words, &vendors[n + 1],
68 buf, len);
69
70 /* Skip Tokens */
71 n++;
72 while (n < nvendors && vendors[n] != 0)
73 n++;
74 }
75 snprintf(buf, len, "vendor %4.4x", vendor);
76 return NULL;
77}
78
79const char *
80dev_findproduct(char *buf, size_t len, const char *words, size_t nwords,
81 const uint16_t *products, size_t nproducts, uint16_t vendor,
82 uint16_t product)
83{
84 size_t n;
85
86 for (n = 0; n < nproducts; n++) {
87 if (products[n] == vendor && products[n + 1] == product)
88 return dev_untokenstring(words, &products[n + 2],
89 buf, len);
90
91 /* Skip Tokens */
92 n += 2;
93 while (n < nproducts && products[n] != 0)
94 n++;
95 }
96 snprintf(buf, len, "product %4.4x", product);
97 return NULL;
98}
99