95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/* $NetBSD: dev_verbose.c,v 1.1 2014/09/21 14:30:22 christos Exp $ */
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: dev_verbose.c,v 1.1 2014/09/21 14:30:22 christos Exp $");
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#include <sys/param.h>
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#ifdef _KERNEL
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#include <sys/systm.h>
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#else
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#include <stdio.h>
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#include <string.h>
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#endif
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#include <dev/dev_verbose.h>
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static const char *
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dev_untokenstring(const char *words, const uint16_t *token, char *buf,
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size_t len)
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{
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char *cp = buf;
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buf[0] = '\0';
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for (; *token != 0; token++) {
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cp = buf + strlcat(buf, words + *token, len - 2);
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cp[0] = ' ';
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cp[1] = '\0';
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}
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*cp = '\0';
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return cp != buf ? buf : NULL;
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}
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const char *
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dev_findvendor(char *buf, size_t len, const char *words, size_t nwords,
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const uint16_t *vendors, size_t nvendors, uint16_t vendor)
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{
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size_t n;
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for (n = 0; n < nvendors; n++) {
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if (vendors[n] == vendor)
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return dev_untokenstring(words, &vendors[n + 1],
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buf, len);
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/* Skip Tokens */
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n++;
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while (vendors[n] != 0 && n < nvendors)
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n++;
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}
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snprintf(buf, len, "vendor %4.4x", vendor);
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return NULL;
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}
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const char *
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dev_findproduct(char *buf, size_t len, const char *words, size_t nwords,
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const uint16_t *products, size_t nproducts, uint16_t vendor,
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uint16_t product)
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{
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size_t n;
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for (n = 0; n < nproducts; n++) {
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if (products[n] == vendor && products[n + 1] == product)
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return dev_untokenstring(words, &products[n + 2],
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buf, len);
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/* Skip Tokens */
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n += 2;
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while (products[n] != 0 && n < nproducts)
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n++;
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}
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snprintf(buf, len, "product %4.4x", product);
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return NULL;
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}
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