1 files changed, 81 insertions, 0 deletions
diff --git a/lib/libusbhid/descr.c b/lib/libusbhid/descr.c
new file mode 100644
index 0000000..5f87c34
--- /dev/null
+++ b/lib/libusbhid/descr.c
@@ -0,0 +1,81 @@
+/*	$NetBSD: descr.c,v 1.9 2000/09/24 02:13:24 augustss 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+#if defined(__FreeBSD__)
+#include <sys/ioctl.h>
+#endif
+
+#include <dev/usb/usb.h>
+
+#include "libusbhid.h"
+#include "usbvar.h"
+
+report_desc_t
+hid_get_report_desc(int fd)
+{
+	struct usb_ctl_report_desc rep;
+
+	rep.ucrd_size = 0;
+	if (ioctl(fd, USB_GET_REPORT_DESC, &rep) < 0)
+		return (NULL);
+
+	return hid_use_report_desc(rep.ucrd_data, (unsigned int)rep.ucrd_size);
+}
+
+report_desc_t
+hid_use_report_desc(unsigned char *data, unsigned int size)
+{
+	report_desc_t r;
+
+	r = malloc(sizeof(*r) + size);
+	if (r == 0) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	r->size = size;
+	memcpy(r->data, data, size);
+	return (r);
+}
+
+void
+hid_dispose_report_desc(report_desc_t r)
+{
+
+	free(r);
+}