1 /* $NetBSD: dev_verbose.c,v 1.1 2014/09/21 14:30:22 christos 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 1.1 2014/09/21 14:30:22 christos 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
39 static const char *
dev_untokenstring(const char * words,const uint16_t * token,char * buf,size_t len)40 dev_untokenstring(const char *words, const uint16_t *token, char *buf,
41 size_t len)
42 {
43 char *cp = buf;
44
45 buf[0] = '\0';
46 for (; *token != 0; token++) {
47 cp = buf + strlcat(buf, words + *token, len - 2);
48 cp[0] = ' ';
49 cp[1] = '\0';
50 }
51 *cp = '\0';
52 return cp != buf ? buf : NULL;
53 }
54
55 const char *
dev_findvendor(char * buf,size_t len,const char * words,size_t nwords,const uint16_t * vendors,size_t nvendors,uint16_t vendor)56 dev_findvendor(char *buf, size_t len, const char *words, size_t nwords,
57 const uint16_t *vendors, size_t nvendors, uint16_t vendor)
58 {
59 size_t n;
60
61 for (n = 0; n < nvendors; n++) {
62 if (vendors[n] == vendor)
63 return dev_untokenstring(words, &vendors[n + 1],
64 buf, len);
65
66 /* Skip Tokens */
67 n++;
68 while (vendors[n] != 0 && n < nvendors)
69 n++;
70 }
71 snprintf(buf, len, "vendor %4.4x", vendor);
72 return NULL;
73 }
74
75 const char *
dev_findproduct(char * buf,size_t len,const char * words,size_t nwords,const uint16_t * products,size_t nproducts,uint16_t vendor,uint16_t product)76 dev_findproduct(char *buf, size_t len, const char *words, size_t nwords,
77 const uint16_t *products, size_t nproducts, uint16_t vendor,
78 uint16_t product)
79 {
80 size_t n;
81
82 for (n = 0; n < nproducts; n++) {
83 if (products[n] == vendor && products[n + 1] == product)
84 return dev_untokenstring(words, &products[n + 2],
85 buf, len);
86
87 /* Skip Tokens */
88 n += 2;
89 while (products[n] != 0 && n < nproducts)
90 n++;
91 }
92 snprintf(buf, len, "product %4.4x", product);
93 return NULL;
94 }
95