5bcd0580d7
c++ keywords. This keeps us in sync with NetBSD because they actually committed my delta first. Ok'd by: lennard
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/* $NetBSD: descr.c,v 1.9 2000/09/24 02:13:24 augustss Exp $ */
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/*
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* Copyright (c) 1999 Lennart Augustsson <augustss@netbsd.org>
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* All rights reserved.
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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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/time.h>
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#if defined(__FreeBSD__)
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#include <sys/ioctl.h>
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#endif
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#include <dev/usb/usb.h>
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#include "libusb.h"
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#include "usbvar.h"
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report_desc_t
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hid_get_report_desc(int fd)
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{
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struct usb_ctl_report_desc rep;
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rep.ucrd_size = 0;
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if (ioctl(fd, USB_GET_REPORT_DESC, &rep) < 0)
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return (NULL);
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return hid_use_report_desc(rep.ucrd_data, (unsigned int)rep.ucrd_size);
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}
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report_desc_t
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hid_use_report_desc(unsigned char *data, unsigned int size)
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{
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report_desc_t r;
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r = malloc(sizeof(*r) + size);
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if (r == 0) {
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errno = ENOMEM;
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return (NULL);
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}
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r->size = size;
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memcpy(r->data, data, size);
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return (r);
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}
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void
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hid_dispose_report_desc(report_desc_t r)
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{
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free(r);
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}
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