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authorn_hibma <n_hibma@FreeBSD.org>2000-06-11 18:19:14 +0000
committern_hibma <n_hibma@FreeBSD.org>2000-06-11 18:19:14 +0000
commit74454ab77803ee6be0d9ce9a53784c6548bf1e8d (patch)
tree66fe210e3400cc0cfbfa36978457c13af080b575 /lib/libusb/descr.c
parent74d273c06d22b21c6b4f7efca5873b0724e1e88d (diff)
downloadFreeBSD-src-74454ab77803ee6be0d9ce9a53784c6548bf1e8d.zip
FreeBSD-src-74454ab77803ee6be0d9ce9a53784c6548bf1e8d.tar.gz
The USB library from NetBSD by Lennart Augustsson <lennart@augustsson.net>.
Diffstat (limited to 'lib/libusb/descr.c')
-rw-r--r--lib/libusb/descr.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/libusb/descr.c b/lib/libusb/descr.c
new file mode 100644
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--- /dev/null
+++ b/lib/libusb/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);
+}
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