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-rw-r--r--src/udev.c69
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diff --git a/src/udev.c b/src/udev.c
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+/*
+ * Copyright © 2011 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat
+ * not be used in advertising or publicity pertaining to distribution
+ * of the software without specific, written prior permission. Red
+ * Hat makes no representations about the suitability of this software
+ * for any purpose. It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors:
+ * Peter Hutterer (peter.hutterer@redhat.com)
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "evdev.h"
+
+#include <libudev.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+Bool
+udev_device_is_virtual(const char* devicenode)
+{
+ struct udev *udev = NULL;
+ struct udev_device *device = NULL;
+ struct stat st;
+ int rc = FALSE;
+ const char *devpath;
+
+ udev = udev_new();
+ if (!udev)
+ goto out;
+
+ stat(devicenode, &st);
+ device = udev_device_new_from_devnum(udev, 'c', st.st_rdev);
+
+ if (!device)
+ goto out;
+
+
+ devpath = udev_device_get_devpath(device);
+ if (!devpath)
+ goto out;
+
+ if (strstr(devpath, "LNXSYSTM"))
+ rc = TRUE;
+
+out:
+ udev_device_unref(device);
+ udev_unref(udev);
+ return rc;
+}