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author | n_hibma <n_hibma@FreeBSD.org> | 2000-06-11 18:19:14 +0000 |
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committer | n_hibma <n_hibma@FreeBSD.org> | 2000-06-11 18:19:14 +0000 |
commit | 74454ab77803ee6be0d9ce9a53784c6548bf1e8d (patch) | |
tree | 66fe210e3400cc0cfbfa36978457c13af080b575 /lib/libusbhid/descr.c | |
parent | 74d273c06d22b21c6b4f7efca5873b0724e1e88d (diff) | |
download | FreeBSD-src-74454ab77803ee6be0d9ce9a53784c6548bf1e8d.zip FreeBSD-src-74454ab77803ee6be0d9ce9a53784c6548bf1e8d.tar.gz |
The USB library from NetBSD by Lennart Augustsson <lennart@augustsson.net>.
Diffstat (limited to 'lib/libusbhid/descr.c')
-rw-r--r-- | lib/libusbhid/descr.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/libusbhid/descr.c b/lib/libusbhid/descr.c new file mode 100644 index 0000000..17b607e --- /dev/null +++ b/lib/libusbhid/descr.c @@ -0,0 +1,75 @@ +/* $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. + * + * $FreeBSD$ + * + */ + +#include <sys/types.h> + +#include <assert.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/time.h> +#include <sys/ioctl.h> + +#include <dev/usb/usb.h> + +#include "libusb.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); +} |