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/* $NetBSD: descr.c,v 1.7 1999/10/13 17:48:04 drochner Exp $ */
/*
* Copyright (c) 1999 Lennart Augustsson <augustss@netbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/libusb/descr.c,v 1.1.2.2 1999/12/03 10:12:42 hohndel Exp $ */
#include <sys/types.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <dev/usb/usb.h>
#include "usb.h"
#include "usbvar.h"
report_desc_t
hid_get_report_desc(fd)
int fd;
{
struct usb_ctl_report_desc rep;
report_desc_t r;
_DIAGASSERT(fd != -1);
rep.size = 0;
if (ioctl(fd, USB_GET_REPORT_DESC, &rep) < 0)
return (0);
r = malloc(sizeof *r + rep.size);
if (r == 0) {
errno = ENOMEM;
return (0);
}
r->size = rep.size;
memcpy(r->data, rep.data, (unsigned int)rep.size);
return (r);
}
void
hid_dispose_report_desc(r)
report_desc_t r;
{
free(r);
}
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