Remove src/libudev

16 files changed, 0 insertions, 5038 deletions

diff --git a/src/libudev/.gitignore b/src/libudev/.gitignore
deleted file mode 100644
index 0c8a5d5231..0000000000
--- a/src/libudev/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/libudev.pc
diff --git a/src/libudev/Makefile b/src/libudev/Makefile
deleted file mode 120000
index d0b0e8e008..0000000000
--- a/src/libudev/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-../Makefile
\ No newline at end of file
diff --git a/src/libudev/libudev-device-internal.h b/src/libudev/libudev-device-internal.h
deleted file mode 100644
index 18ae7a93f9..0000000000
--- a/src/libudev/libudev-device-internal.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-  Copyright 2015 Tom Gundersen <teg@jklm.no>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-#include "libudev.h"
-#include "sd-device.h"
-
-/**
- * udev_device:
- *
- * Opaque object representing one kernel sys device.
- */
-struct udev_device {
-        struct udev *udev;
-
-        /* real device object */
-        sd_device *device;
-
-        /* legacy */
-        int refcount;
-
-        struct udev_device *parent;
-        bool parent_set;
-
-        struct udev_list properties;
-        uint64_t properties_generation;
-        struct udev_list tags;
-        uint64_t tags_generation;
-        struct udev_list devlinks;
-        uint64_t devlinks_generation;
-        struct udev_list sysattrs;
-        bool sysattrs_read;
-};
-
-struct udev_device *udev_device_new(struct udev *udev);
-
-#define assert_return_errno(expr, r, err)                               \
-        do {                                                            \
-                if (_unlikely_(!(expr))) {                              \
-                        log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
-                        errno = err;                                    \
-                        return (r);                                     \
-                }                                                       \
-        } while (false)
diff --git a/src/libudev/libudev-device-private.c b/src/libudev/libudev-device-private.c
deleted file mode 100644
index bb4d7e6dad..0000000000
--- a/src/libudev/libudev-device-private.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-  Copyright 2015 Tom Gundersen <teg@jklm.no>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "libudev.h"
-#include "libudev-private.h"
-#include "libudev-device-internal.h"
-
-#include "device-private.h"
-
-int udev_device_tag_index(struct udev_device *udev_device, struct udev_device *udev_device_old, bool add) {
-        sd_device *device_old = NULL;
-        int r;
-
-        assert(udev_device);
-
-        if (udev_device_old)
-                device_old = udev_device_old->device;
-
-        r = device_tag_index(udev_device->device, device_old, add);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-int udev_device_update_db(struct udev_device *udev_device) {
-        int r;
-
-        assert(udev_device);
-
-        r = device_update_db(udev_device->device);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-int udev_device_delete_db(struct udev_device *udev_device) {
-        int r;
-
-        assert(udev_device);
-
-        r = device_delete_db(udev_device->device);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-int udev_device_get_ifindex(struct udev_device *udev_device) {
-        int r, ifindex;
-
-        assert(udev_device);
-
-        r = sd_device_get_ifindex(udev_device->device, &ifindex);
-        if (r < 0)
-                return r;
-
-        return ifindex;
-}
-
-const char *udev_device_get_devpath_old(struct udev_device *udev_device) {
-        const char *devpath_old = NULL;
-        int r;
-
-        assert(udev_device);
-
-        r = sd_device_get_property_value(udev_device->device, "DEVPATH_OLD", &devpath_old);
-        if (r < 0 && r != -ENOENT) {
-                errno = -r;
-                return NULL;
-        }
-
-        return devpath_old;
-}
-
-mode_t udev_device_get_devnode_mode(struct udev_device *udev_device) {
-        mode_t mode;
-        int r;
-
-        assert(udev_device);
-
-        r = device_get_devnode_mode(udev_device->device, &mode);
-        if (r < 0) {
-                errno = -r;
-                return 0;
-        }
-
-        return mode;
-}
-
-uid_t udev_device_get_devnode_uid(struct udev_device *udev_device) {
-        uid_t uid;
-        int r;
-
-        assert(udev_device);
-
-        r = device_get_devnode_uid(udev_device->device, &uid);
-        if (r < 0) {
-                errno = -r;
-                return 0;
-        }
-
-        return uid;
-}
-
-gid_t udev_device_get_devnode_gid(struct udev_device *udev_device) {
-        gid_t gid;
-        int r;
-
-        assert(udev_device);
-
-        r = device_get_devnode_gid(udev_device->device, &gid);
-        if (r < 0) {
-                errno = -r;
-                return 0;
-        }
-
-        return gid;
-}
-
-void udev_device_ensure_usec_initialized(struct udev_device *udev_device, struct udev_device *udev_device_old) {
-        sd_device *device_old = NULL;
-
-        assert(udev_device);
-
-        if (udev_device_old)
-                device_old = udev_device_old->device;
-
-        device_ensure_usec_initialized(udev_device->device, device_old);
-}
-
-char **udev_device_get_properties_envp(struct udev_device *udev_device) {
-        char **envp;
-        int r;
-
-        assert(udev_device);
-
-        r = device_get_properties_strv(udev_device->device, &envp);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return envp;
-}
-
-ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf) {
-        const char *nulstr;
-        size_t len;
-        int r;
-
-        assert(udev_device);
-        assert(buf);
-
-        r = device_get_properties_nulstr(udev_device->device, (const uint8_t **)&nulstr, &len);
-        if (r < 0)
-                return r;
-
-        *buf = nulstr;
-
-        return len;
-}
-
-int udev_device_get_devlink_priority(struct udev_device *udev_device) {
-        int priority, r;
-
-        assert(udev_device);
-
-        r = device_get_devlink_priority(udev_device->device, &priority);
-        if (r < 0)
-                return r;
-
-        return priority;
-}
-
-int udev_device_get_watch_handle(struct udev_device *udev_device) {
-        int handle, r;
-
-        assert(udev_device);
-
-        r = device_get_watch_handle(udev_device->device, &handle);
-        if (r < 0)
-                return r;
-
-        return handle;
-}
-
-void udev_device_set_is_initialized(struct udev_device *udev_device) {
-        assert(udev_device);
-
-        device_set_is_initialized(udev_device->device);
-}
-
-int udev_device_rename(struct udev_device *udev_device, const char *name) {
-        int r;
-
-        assert(udev_device);
-
-        r = device_rename(udev_device->device, name);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-struct udev_device *udev_device_shallow_clone(struct udev_device *old_device) {
-        struct udev_device *device;
-        int r;
-
-        assert(old_device);
-
-        device = udev_device_new(old_device->udev);
-        if (!device)
-                return NULL;
-
-        r = device_shallow_clone(old_device->device, &device->device);
-        if (r < 0) {
-                udev_device_unref(device);
-                errno = -r;
-                return NULL;
-        }
-
-        return device;
-}
-
-struct udev_device *udev_device_clone_with_db(struct udev_device *udev_device_old) {
-        struct udev_device *udev_device;
-        int r;
-
-        assert(udev_device_old);
-
-        udev_device = udev_device_new(udev_device_old->udev);
-        if (!udev_device)
-                return NULL;
-
-        r = device_clone_with_db(udev_device_old->device, &udev_device->device);
-        if (r < 0) {
-                udev_device_unref(udev_device);
-                errno = -r;
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen) {
-        struct udev_device *device;
-        int r;
-
-        device = udev_device_new(udev);
-        if (!device)
-                return NULL;
-
-        r = device_new_from_nulstr(&device->device, (uint8_t*)nulstr, buflen);
-        if (r < 0) {
-                udev_device_unref(device);
-                errno = -r;
-                return NULL;
-        }
-
-        return device;
-}
-
-struct udev_device *udev_device_new_from_synthetic_event(struct udev *udev, const char *syspath, const char *action) {
-        struct udev_device *device;
-        int r;
-
-        device = udev_device_new(udev);
-        if (!device)
-                return NULL;
-
-        r = device_new_from_synthetic_event(&device->device, syspath, action);
-        if (r < 0) {
-                udev_device_unref(device);
-                errno = -r;
-                return NULL;
-        }
-
-        return device;
-}
-
-int udev_device_copy_properties(struct udev_device *udev_device_dst, struct udev_device *udev_device_src) {
-        int r;
-
-        assert(udev_device_dst);
-        assert(udev_device_src);
-
-        r = device_copy_properties(udev_device_dst->device, udev_device_src->device);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-const char *udev_device_get_id_filename(struct udev_device *udev_device) {
-        const char *filename;
-        int r;
-
-        assert(udev_device);
-
-        r = device_get_id_filename(udev_device->device, &filename);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return filename;
-}
-
-int udev_device_set_watch_handle(struct udev_device *udev_device, int handle) {
-
-        assert(udev_device);
-
-        device_set_watch_handle(udev_device->device, handle);
-
-        return 0;
-}
-
-void udev_device_set_db_persist(struct udev_device *udev_device) {
-        assert(udev_device);
-
-        device_set_db_persist(udev_device->device);
-}
-
-int udev_device_set_devlink_priority(struct udev_device *udev_device, int priority) {
-        assert(udev_device);
-
-        device_set_devlink_priority(udev_device->device, priority);
-
-        return 0;
-}
-
-int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink) {
-        int r;
-
-        assert(udev_device);
-
-        r = device_add_devlink(udev_device->device, devlink);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-int udev_device_add_property(struct udev_device *udev_device, const char *property, const char *value) {
-        int r;
-
-        assert(udev_device);
-
-        r = device_add_property(udev_device->device, property, value);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-int udev_device_add_tag(struct udev_device *udev_device, const char *tag) {
-        int r;
-
-        assert(udev_device);
-
-        r = device_add_tag(udev_device->device, tag);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-void udev_device_remove_tag(struct udev_device *udev_device, const char *tag) {
-        assert(udev_device);
-
-        device_remove_tag(udev_device->device, tag);
-}
-
-void udev_device_cleanup_tags_list(struct udev_device *udev_device) {
-        assert(udev_device);
-
-        device_cleanup_tags(udev_device->device);
-}
-
-void udev_device_cleanup_devlinks_list(struct udev_device *udev_device) {
-        assert(udev_device);
-
-        device_cleanup_devlinks(udev_device->device);
-}
-
-void udev_device_set_info_loaded(struct udev_device *udev_device) {
-        assert(udev_device);
-
-        device_seal(udev_device->device);
-}
diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c
deleted file mode 100644
index a55cd258f4..0000000000
--- a/src/libudev/libudev-device.c
+++ /dev/null
@@ -1,949 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-  Copyright 2015 Tom Gundersen <teg@jklm.no>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <stdbool.h>
-#include <errno.h>
-#include <string.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <net/if.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <linux/sockios.h>
-
-#include "sd-device.h"
-#include "device-util.h"
-#include "device-private.h"
-
-#include "libudev.h"
-#include "libudev-private.h"
-#include "libudev-device-internal.h"
-
-/**
- * SECTION:libudev-device
- * @short_description: kernel sys devices
- *
- * Representation of kernel sys devices. Devices are uniquely identified
- * by their syspath, every device has exactly one path in the kernel sys
- * filesystem. Devices usually belong to a kernel subsystem, and have
- * a unique name inside that subsystem.
- */
-
-/**
- * udev_device_get_seqnum:
- * @udev_device: udev device
- *
- * This is only valid if the device was received through a monitor. Devices read from
- * sys do not have a sequence number.
- *
- * Returns: the kernel event sequence number, or 0 if there is no sequence number available.
- **/
-_public_ unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device)
-{
-        const char *seqnum;
-        unsigned long long ret;
-        int r;
-
-        assert_return_errno(udev_device, 0, EINVAL);
-
-        r = sd_device_get_property_value(udev_device->device, "SEQNUM", &seqnum);
-        if (r == -ENOENT)
-                return 0;
-        else if (r < 0) {
-                errno = -r;
-                return 0;
-        }
-
-        r = safe_atollu(seqnum, &ret);
-        if (r < 0) {
-                errno = -r;
-                return 0;
-        }
-
-        return ret;
-}
-
-/**
- * udev_device_get_devnum:
- * @udev_device: udev device
- *
- * Get the device major/minor number.
- *
- * Returns: the dev_t number.
- **/
-_public_ dev_t udev_device_get_devnum(struct udev_device *udev_device)
-{
-        dev_t devnum;
-        int r;
-
-        assert_return_errno(udev_device, makedev(0, 0), EINVAL);
-
-        r = sd_device_get_devnum(udev_device->device, &devnum);
-        if (r < 0) {
-                errno = -r;
-                return makedev(0, 0);
-        }
-
-        return devnum;
-}
-
-/**
- * udev_device_get_driver:
- * @udev_device: udev device
- *
- * Get the kernel driver name.
- *
- * Returns: the driver name string, or #NULL if there is no driver attached.
- **/
-_public_ const char *udev_device_get_driver(struct udev_device *udev_device)
-{
-        const char *driver;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_driver(udev_device->device, &driver);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return driver;
-}
-
-/**
- * udev_device_get_devtype:
- * @udev_device: udev device
- *
- * Retrieve the devtype string of the udev device.
- *
- * Returns: the devtype name of the udev device, or #NULL if it can not be determined
- **/
-_public_ const char *udev_device_get_devtype(struct udev_device *udev_device)
-{
-        const char *devtype;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_devtype(udev_device->device, &devtype);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return devtype;
-}
-
-/**
- * udev_device_get_subsystem:
- * @udev_device: udev device
- *
- * Retrieve the subsystem string of the udev device. The string does not
- * contain any "/".
- *
- * Returns: the subsystem name of the udev device, or #NULL if it can not be determined
- **/
-_public_ const char *udev_device_get_subsystem(struct udev_device *udev_device)
-{
-        const char *subsystem;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_subsystem(udev_device->device, &subsystem);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return subsystem;
-}
-
-/**
- * udev_device_get_property_value:
- * @udev_device: udev device
- * @key: property name
- *
- * Get the value of a given property.
- *
- * Returns: the property string, or #NULL if there is no such property.
- **/
-_public_ const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key)
-{
-        const char *value = NULL;
-        int r;
-
-        assert_return_errno(udev_device && key, NULL, EINVAL);
-
-        r = sd_device_get_property_value(udev_device->device, key, &value);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return value;
-}
-
-struct udev_device *udev_device_new(struct udev *udev) {
-        struct udev_device *udev_device;
-
-        assert_return_errno(udev, NULL, EINVAL);
-
-        udev_device = new0(struct udev_device, 1);
-        if (!udev_device) {
-                errno = ENOMEM;
-                return NULL;
-        }
-        udev_device->refcount = 1;
-        udev_device->udev = udev;
-        udev_list_init(udev, &udev_device->properties, true);
-        udev_list_init(udev, &udev_device->tags, true);
-        udev_list_init(udev, &udev_device->sysattrs, true);
-        udev_list_init(udev, &udev_device->devlinks, true);
-
-        return udev_device;
-}
-
-/**
- * udev_device_new_from_syspath:
- * @udev: udev library context
- * @syspath: sys device path including sys directory
- *
- * Create new udev device, and fill in information from the sys
- * device and the udev database entry. The syspath is the absolute
- * path to the device, including the sys mount point.
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev device.
- *
- * Returns: a new udev device, or #NULL, if it does not exist
- **/
-_public_ struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath) {
-        struct udev_device *udev_device;
-        int r;
-
-        udev_device = udev_device_new(udev);
-        if (!udev_device)
-                return NULL;
-
-        r = sd_device_new_from_syspath(&udev_device->device, syspath);
-        if (r < 0) {
-                errno = -r;
-                udev_device_unref(udev_device);
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-/**
- * udev_device_new_from_devnum:
- * @udev: udev library context
- * @type: char or block device
- * @devnum: device major/minor number
- *
- * Create new udev device, and fill in information from the sys
- * device and the udev database entry. The device is looked-up
- * by its major/minor number and type. Character and block device
- * numbers are not unique across the two types.
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev device.
- *
- * Returns: a new udev device, or #NULL, if it does not exist
- **/
-_public_ struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum)
-{
-        struct udev_device *udev_device;
-        int r;
-
-        udev_device = udev_device_new(udev);
-        if (!udev_device)
-                return NULL;
-
-        r = sd_device_new_from_devnum(&udev_device->device, type, devnum);
-        if (r < 0) {
-                errno = -r;
-                udev_device_unref(udev_device);
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-/**
- * udev_device_new_from_device_id:
- * @udev: udev library context
- * @id: text string identifying a kernel device
- *
- * Create new udev device, and fill in information from the sys
- * device and the udev database entry. The device is looked-up
- * by a special string:
- *   b8:2          - block device major:minor
- *   c128:1        - char device major:minor
- *   n3            - network device ifindex
- *   +sound:card29 - kernel driver core subsystem:device name
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev device.
- *
- * Returns: a new udev device, or #NULL, if it does not exist
- **/
-_public_ struct udev_device *udev_device_new_from_device_id(struct udev *udev, const char *id)
-{
-        struct udev_device *udev_device;
-        int r;
-
-        udev_device = udev_device_new(udev);
-        if (!udev_device)
-                return NULL;
-
-        r = sd_device_new_from_device_id(&udev_device->device, id);
-        if (r < 0) {
-                errno = -r;
-                udev_device_unref(udev_device);
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-/**
- * udev_device_new_from_subsystem_sysname:
- * @udev: udev library context
- * @subsystem: the subsystem of the device
- * @sysname: the name of the device
- *
- * Create new udev device, and fill in information from the sys device
- * and the udev database entry. The device is looked up by the subsystem
- * and name string of the device, like "mem" / "zero", or "block" / "sda".
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev device.
- *
- * Returns: a new udev device, or #NULL, if it does not exist
- **/
-_public_ struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname)
-{
-        struct udev_device *udev_device;
-        int r;
-
-        udev_device = udev_device_new(udev);
-        if (!udev_device)
-                return NULL;
-
-        r = sd_device_new_from_subsystem_sysname(&udev_device->device, subsystem, sysname);
-        if (r < 0) {
-                errno = -r;
-                udev_device_unref(udev_device);
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-/**
- * udev_device_new_from_environment
- * @udev: udev library context
- *
- * Create new udev device, and fill in information from the
- * current process environment. This only works reliable if
- * the process is called from a udev rule. It is usually used
- * for tools executed from IMPORT= rules.
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev device.
- *
- * Returns: a new udev device, or #NULL, if it does not exist
- **/
-_public_ struct udev_device *udev_device_new_from_environment(struct udev *udev)
-{
-        struct udev_device *udev_device;
-        int r;
-
-        udev_device = udev_device_new(udev);
-        if (!udev_device)
-                return NULL;
-
-        r = device_new_from_strv(&udev_device->device, environ);
-        if (r < 0) {
-                errno = -r;
-                udev_device_unref(udev_device);
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-static struct udev_device *device_new_from_parent(struct udev_device *child)
-{
-        struct udev_device *parent;
-        int r;
-
-        assert_return_errno(child, NULL, EINVAL);
-
-        parent = udev_device_new(child->udev);
-        if (!parent)
-                return NULL;
-
-        r = sd_device_get_parent(child->device, &parent->device);
-        if (r < 0) {
-                errno = -r;
-                udev_device_unref(parent);
-                return NULL;
-        }
-
-        /* the parent is unref'ed with the child, so take a ref from libudev as well */
-        sd_device_ref(parent->device);
-
-        return parent;
-}
-
-/**
- * udev_device_get_parent:
- * @udev_device: the device to start searching from
- *
- * Find the next parent device, and fill in information from the sys
- * device and the udev database entry.
- *
- * Returned device is not referenced. It is attached to the child
- * device, and will be cleaned up when the child device is cleaned up.
- *
- * It is not necessarily just the upper level directory, empty or not
- * recognized sys directories are ignored.
- *
- * It can be called as many times as needed, without caring about
- * references.
- *
- * Returns: a new udev device, or #NULL, if it no parent exist.
- **/
-_public_ struct udev_device *udev_device_get_parent(struct udev_device *udev_device)
-{
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        if (!udev_device->parent_set) {
-                udev_device->parent_set = true;
-                udev_device->parent = device_new_from_parent(udev_device);
-        }
-
-        /* TODO: errno will differ here in case parent == NULL */
-        return udev_device->parent;
-}
-
-/**
- * udev_device_get_parent_with_subsystem_devtype:
- * @udev_device: udev device to start searching from
- * @subsystem: the subsystem of the device
- * @devtype: the type (DEVTYPE) of the device
- *
- * Find the next parent device, with a matching subsystem and devtype
- * value, and fill in information from the sys device and the udev
- * database entry.
- *
- * If devtype is #NULL, only subsystem is checked, and any devtype will
- * match.
- *
- * Returned device is not referenced. It is attached to the child
- * device, and will be cleaned up when the child device is cleaned up.
- *
- * It can be called as many times as needed, without caring about
- * references.
- *
- * Returns: a new udev device, or #NULL if no matching parent exists.
- **/
-_public_ struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, const char *subsystem, const char *devtype)
-{
-        sd_device *parent;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        /* this relies on the fact that finding the subdevice of a parent or the
-           parent of a subdevice commute */
-
-        /* first find the correct sd_device */
-        r = sd_device_get_parent_with_subsystem_devtype(udev_device->device, subsystem, devtype, &parent);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        /* then walk the chain of udev_device parents until the correspanding
-           one is found */
-        while ((udev_device = udev_device_get_parent(udev_device))) {
-                if (udev_device->device == parent)
-                        return udev_device;
-        }
-
-        errno = ENOENT;
-        return NULL;
-}
-
-/**
- * udev_device_get_udev:
- * @udev_device: udev device
- *
- * Retrieve the udev library context the device was created with.
- *
- * Returns: the udev library context
- **/
-_public_ struct udev *udev_device_get_udev(struct udev_device *udev_device)
-{
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        return udev_device->udev;
-}
-
-/**
- * udev_device_ref:
- * @udev_device: udev device
- *
- * Take a reference of a udev device.
- *
- * Returns: the passed udev device
- **/
-_public_ struct udev_device *udev_device_ref(struct udev_device *udev_device)
-{
-        if (udev_device)
-                udev_device->refcount++;
-
-        return udev_device;
-}
-
-/**
- * udev_device_unref:
- * @udev_device: udev device
- *
- * Drop a reference of a udev device. If the refcount reaches zero,
- * the resources of the device will be released.
- *
- * Returns: #NULL
- **/
-_public_ struct udev_device *udev_device_unref(struct udev_device *udev_device)
-{
-        if (udev_device && (-- udev_device->refcount) == 0) {
-                sd_device_unref(udev_device->device);
-                udev_device_unref(udev_device->parent);
-
-                udev_list_cleanup(&udev_device->properties);
-                udev_list_cleanup(&udev_device->sysattrs);
-                udev_list_cleanup(&udev_device->tags);
-                udev_list_cleanup(&udev_device->devlinks);
-
-                free(udev_device);
-        }
-
-        return NULL;
-}
-
-/**
- * udev_device_get_devpath:
- * @udev_device: udev device
- *
- * Retrieve the kernel devpath value of the udev device. The path
- * does not contain the sys mount point, and starts with a '/'.
- *
- * Returns: the devpath of the udev device
- **/
-_public_ const char *udev_device_get_devpath(struct udev_device *udev_device)
-{
-        const char *devpath;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_devpath(udev_device->device, &devpath);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return devpath;
-}
-
-/**
- * udev_device_get_syspath:
- * @udev_device: udev device
- *
- * Retrieve the sys path of the udev device. The path is an
- * absolute path and starts with the sys mount point.
- *
- * Returns: the sys path of the udev device
- **/
-_public_ const char *udev_device_get_syspath(struct udev_device *udev_device)
-{
-        const char *syspath;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_syspath(udev_device->device, &syspath);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return syspath;
-}
-
-/**
- * udev_device_get_sysname:
- * @udev_device: udev device
- *
- * Get the kernel device name in /sys.
- *
- * Returns: the name string of the device device
- **/
-_public_ const char *udev_device_get_sysname(struct udev_device *udev_device)
-{
-        const char *sysname;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_sysname(udev_device->device, &sysname);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return sysname;
-}
-
-/**
- * udev_device_get_sysnum:
- * @udev_device: udev device
- *
- * Get the instance number of the device.
- *
- * Returns: the trailing number string of the device name
- **/
-_public_ const char *udev_device_get_sysnum(struct udev_device *udev_device)
-{
-        const char *sysnum;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_sysnum(udev_device->device, &sysnum);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return sysnum;
-}
-
-/**
- * udev_device_get_devnode:
- * @udev_device: udev device
- *
- * Retrieve the device node file name belonging to the udev device.
- * The path is an absolute path, and starts with the device directory.
- *
- * Returns: the device node file name of the udev device, or #NULL if no device node exists
- **/
-_public_ const char *udev_device_get_devnode(struct udev_device *udev_device)
-{
-        const char *devnode;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_devname(udev_device->device, &devnode);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return devnode;
-}
-
-/**
- * udev_device_get_devlinks_list_entry:
- * @udev_device: udev device
- *
- * Retrieve the list of device links pointing to the device file of
- * the udev device. The next list entry can be retrieved with
- * udev_list_entry_get_next(), which returns #NULL if no more entries exist.
- * The devlink path can be retrieved from the list entry by
- * udev_list_entry_get_name(). The path is an absolute path, and starts with
- * the device directory.
- *
- * Returns: the first entry of the device node link list
- **/
-_public_ struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device)
-{
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        if (device_get_devlinks_generation(udev_device->device) != udev_device->devlinks_generation) {
-                const char *devlink;
-
-                udev_list_cleanup(&udev_device->devlinks);
-
-                FOREACH_DEVICE_DEVLINK(udev_device->device, devlink)
-                        udev_list_entry_add(&udev_device->devlinks, devlink, NULL);
-
-                udev_device->devlinks_generation = device_get_devlinks_generation(udev_device->device);
-        }
-
-        return udev_list_get_entry(&udev_device->devlinks);
-}
-
-/**
- * udev_device_get_event_properties_entry:
- * @udev_device: udev device
- *
- * Retrieve the list of key/value device properties of the udev
- * device. The next list entry can be retrieved with udev_list_entry_get_next(),
- * which returns #NULL if no more entries exist. The property name
- * can be retrieved from the list entry by udev_list_entry_get_name(),
- * the property value by udev_list_entry_get_value().
- *
- * Returns: the first entry of the property list
- **/
-_public_ struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device)
-{
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        if (device_get_properties_generation(udev_device->device) != udev_device->properties_generation) {
-                const char *key, *value;
-
-                udev_list_cleanup(&udev_device->properties);
-
-                FOREACH_DEVICE_PROPERTY(udev_device->device, key, value)
-                        udev_list_entry_add(&udev_device->properties, key, value);
-
-                udev_device->properties_generation = device_get_properties_generation(udev_device->device);
-        }
-
-        return udev_list_get_entry(&udev_device->properties);
-}
-
-/**
- * udev_device_get_action:
- * @udev_device: udev device
- *
- * This is only valid if the device was received through a monitor. Devices read from
- * sys do not have an action string. Usual actions are: add, remove, change, online,
- * offline.
- *
- * Returns: the kernel action value, or #NULL if there is no action value available.
- **/
-_public_ const char *udev_device_get_action(struct udev_device *udev_device) {
-        const char *action = NULL;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_property_value(udev_device->device, "ACTION", &action);
-        if (r < 0 && r != -ENOENT) {
-                errno = -r;
-                return NULL;
-        }
-
-        return action;
-}
-
-/**
- * udev_device_get_usec_since_initialized:
- * @udev_device: udev device
- *
- * Return the number of microseconds passed since udev set up the
- * device for the first time.
- *
- * This is only implemented for devices with need to store properties
- * in the udev database. All other devices return 0 here.
- *
- * Returns: the number of microseconds since the device was first seen.
- **/
-_public_ unsigned long long int udev_device_get_usec_since_initialized(struct udev_device *udev_device)
-{
-        usec_t ts;
-        int r;
-
-        assert_return(udev_device, -EINVAL);
-
-        r = sd_device_get_usec_since_initialized(udev_device->device, &ts);
-        if (r < 0) {
-                errno = EINVAL;
-                return 0;
-        }
-
-        return ts;
-}
-
-/**
- * udev_device_get_sysattr_value:
- * @udev_device: udev device
- * @sysattr: attribute name
- *
- * The retrieved value is cached in the device. Repeated calls will return the same
- * value and not open the attribute again.
- *
- * Returns: the content of a sys attribute file, or #NULL if there is no sys attribute value.
- **/
-_public_ const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr)
-{
-        const char *value;
-        int r;
-
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        r = sd_device_get_sysattr_value(udev_device->device, sysattr, &value);
-        if (r < 0) {
-                errno = -r;
-                return NULL;
-        }
-
-        return value;
-}
-
-/**
- * udev_device_set_sysattr_value:
- * @udev_device: udev device
- * @sysattr: attribute name
- * @value: new value to be set
- *
- * Update the contents of the sys attribute and the cached value of the device.
- *
- * Returns: Negative error code on failure or 0 on success.
- **/
-_public_ int udev_device_set_sysattr_value(struct udev_device *udev_device, const char *sysattr, char *value)
-{
-        int r;
-
-        assert_return(udev_device, -EINVAL);
-
-        r = sd_device_set_sysattr_value(udev_device->device, sysattr, value);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-/**
- * udev_device_get_sysattr_list_entry:
- * @udev_device: udev device
- *
- * Retrieve the list of available sysattrs, with value being empty;
- * This just return all available sysfs attributes for a particular
- * device without reading their values.
- *
- * Returns: the first entry of the property list
- **/
-_public_ struct udev_list_entry *udev_device_get_sysattr_list_entry(struct udev_device *udev_device)
-{
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        if (!udev_device->sysattrs_read) {
-                const char *sysattr;
-
-                udev_list_cleanup(&udev_device->sysattrs);
-
-                FOREACH_DEVICE_SYSATTR(udev_device->device, sysattr)
-                        udev_list_entry_add(&udev_device->properties, sysattr, NULL);
-
-                udev_device->sysattrs_read = true;
-        }
-
-        return udev_list_get_entry(&udev_device->sysattrs);
-}
-
-/**
- * udev_device_get_is_initialized:
- * @udev_device: udev device
- *
- * Check if udev has already handled the device and has set up
- * device node permissions and context, or has renamed a network
- * device.
- *
- * This is only implemented for devices with a device node
- * or network interfaces. All other devices return 1 here.
- *
- * Returns: 1 if the device is set up. 0 otherwise.
- **/
-_public_ int udev_device_get_is_initialized(struct udev_device *udev_device)
-{
-        int r, initialized;
-
-        assert_return(udev_device, -EINVAL);
-
-        r = sd_device_get_is_initialized(udev_device->device, &initialized);
-        if (r < 0) {
-                errno = -r;
-
-                return 0;
-        }
-
-        return initialized;
-}
-
-/**
- * udev_device_get_tags_list_entry:
- * @udev_device: udev device
- *
- * Retrieve the list of tags attached to the udev device. The next
- * list entry can be retrieved with udev_list_entry_get_next(),
- * which returns #NULL if no more entries exist. The tag string
- * can be retrieved from the list entry by udev_list_entry_get_name().
- *
- * Returns: the first entry of the tag list
- **/
-_public_ struct udev_list_entry *udev_device_get_tags_list_entry(struct udev_device *udev_device)
-{
-        assert_return_errno(udev_device, NULL, EINVAL);
-
-        if (device_get_tags_generation(udev_device->device) != udev_device->tags_generation) {
-                const char *tag;
-
-                udev_list_cleanup(&udev_device->tags);
-
-                FOREACH_DEVICE_TAG(udev_device->device, tag)
-                        udev_list_entry_add(&udev_device->tags, tag, NULL);
-
-                udev_device->tags_generation = device_get_tags_generation(udev_device->device);
-        }
-
-        return udev_list_get_entry(&udev_device->tags);
-}
-
-/**
- * udev_device_has_tag:
- * @udev_device: udev device
- * @tag: tag name
- *
- * Check if a given device has a certain tag associated.
- *
- * Returns: 1 if the tag is found. 0 otherwise.
- **/
-_public_ int udev_device_has_tag(struct udev_device *udev_device, const char *tag)
-{
-        assert_return(udev_device, 0);
-
-        return sd_device_has_tag(udev_device->device, tag);
-}
diff --git a/src/libudev/libudev-enumerate.c b/src/libudev/libudev-enumerate.c
deleted file mode 100644
index 4e6e47cdeb..0000000000
--- a/src/libudev/libudev-enumerate.c
+++ /dev/null
@@ -1,968 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <errno.h>
-#include <string.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include <stdbool.h>
-#include <sys/stat.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-
-/**
- * SECTION:libudev-enumerate
- * @short_description: lookup and sort sys devices
- *
- * Lookup devices in the sys filesystem, filter devices by properties,
- * and return a sorted list of devices.
- */
-
-struct syspath {
-        char *syspath;
-        size_t len;
-};
-
-/**
- * udev_enumerate:
- *
- * Opaque object representing one device lookup/sort context.
- */
-struct udev_enumerate {
-        struct udev *udev;
-        int refcount;
-        struct udev_list sysattr_match_list;
-        struct udev_list sysattr_nomatch_list;
-        struct udev_list subsystem_match_list;
-        struct udev_list subsystem_nomatch_list;
-        struct udev_list sysname_match_list;
-        struct udev_list properties_match_list;
-        struct udev_list tags_match_list;
-        struct udev_device *parent_match;
-        struct udev_list devices_list;
-        struct syspath *devices;
-        unsigned int devices_cur;
-        unsigned int devices_max;
-        bool devices_uptodate:1;
-        bool match_is_initialized;
-};
-
-/**
- * udev_enumerate_new:
- * @udev: udev library context
- *
- * Create an enumeration context to scan /sys.
- *
- * Returns: an enumeration context.
- **/
-_public_ struct udev_enumerate *udev_enumerate_new(struct udev *udev)
-{
-        struct udev_enumerate *udev_enumerate;
-
-        if (udev == NULL)
-                return NULL;
-        udev_enumerate = new0(struct udev_enumerate, 1);
-        if (udev_enumerate == NULL)
-                return NULL;
-        udev_enumerate->refcount = 1;
-        udev_enumerate->udev = udev;
-        udev_list_init(udev, &udev_enumerate->sysattr_match_list, false);
-        udev_list_init(udev, &udev_enumerate->sysattr_nomatch_list, false);
-        udev_list_init(udev, &udev_enumerate->subsystem_match_list, true);
-        udev_list_init(udev, &udev_enumerate->subsystem_nomatch_list, true);
-        udev_list_init(udev, &udev_enumerate->sysname_match_list, true);
-        udev_list_init(udev, &udev_enumerate->properties_match_list, false);
-        udev_list_init(udev, &udev_enumerate->tags_match_list, true);
-        udev_list_init(udev, &udev_enumerate->devices_list, false);
-        return udev_enumerate;
-}
-
-/**
- * udev_enumerate_ref:
- * @udev_enumerate: context
- *
- * Take a reference of a enumeration context.
- *
- * Returns: the passed enumeration context
- **/
-_public_ struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate)
-{
-        if (udev_enumerate == NULL)
-                return NULL;
-        udev_enumerate->refcount++;
-        return udev_enumerate;
-}
-
-/**
- * udev_enumerate_unref:
- * @udev_enumerate: context
- *
- * Drop a reference of an enumeration context. If the refcount reaches zero,
- * all resources of the enumeration context will be released.
- *
- * Returns: #NULL
- **/
-_public_ struct udev_enumerate *udev_enumerate_unref(struct udev_enumerate *udev_enumerate)
-{
-        unsigned int i;
-
-        if (udev_enumerate == NULL)
-                return NULL;
-        udev_enumerate->refcount--;
-        if (udev_enumerate->refcount > 0)
-                return NULL;
-        udev_list_cleanup(&udev_enumerate->sysattr_match_list);
-        udev_list_cleanup(&udev_enumerate->sysattr_nomatch_list);
-        udev_list_cleanup(&udev_enumerate->subsystem_match_list);
-        udev_list_cleanup(&udev_enumerate->subsystem_nomatch_list);
-        udev_list_cleanup(&udev_enumerate->sysname_match_list);
-        udev_list_cleanup(&udev_enumerate->properties_match_list);
-        udev_list_cleanup(&udev_enumerate->tags_match_list);
-        udev_device_unref(udev_enumerate->parent_match);
-        udev_list_cleanup(&udev_enumerate->devices_list);
-        for (i = 0; i < udev_enumerate->devices_cur; i++)
-                free(udev_enumerate->devices[i].syspath);
-        free(udev_enumerate->devices);
-        free(udev_enumerate);
-        return NULL;
-}
-
-/**
- * udev_enumerate_get_udev:
- * @udev_enumerate: context
- *
- * Get the udev library context.
- *
- * Returns: a pointer to the context.
- */
-_public_ struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate)
-{
-        if (udev_enumerate == NULL)
-                return NULL;
-        return udev_enumerate->udev;
-}
-
-static int syspath_add(struct udev_enumerate *udev_enumerate, const char *syspath)
-{
-        char *path;
-        struct syspath *entry;
-
-        /* double array size if needed */
-        if (udev_enumerate->devices_cur >= udev_enumerate->devices_max) {
-                struct syspath *buf;
-                unsigned int add;
-
-                add = udev_enumerate->devices_max;
-                if (add < 1024)
-                        add = 1024;
-                buf = realloc(udev_enumerate->devices, (udev_enumerate->devices_max + add) * sizeof(struct syspath));
-                if (buf == NULL)
-                        return -ENOMEM;
-                udev_enumerate->devices = buf;
-                udev_enumerate->devices_max += add;
-        }
-
-        path = strdup(syspath);
-        if (path == NULL)
-                return -ENOMEM;
-        entry = &udev_enumerate->devices[udev_enumerate->devices_cur];
-        entry->syspath = path;
-        entry->len = strlen(path);
-        udev_enumerate->devices_cur++;
-        udev_enumerate->devices_uptodate = false;
-        return 0;
-}
-
-static int syspath_cmp(const void *p1, const void *p2)
-{
-        const struct syspath *path1 = p1;
-        const struct syspath *path2 = p2;
-        size_t len;
-        int ret;
-
-        len = MIN(path1->len, path2->len);
-        ret = memcmp(path1->syspath, path2->syspath, len);
-        if (ret == 0) {
-                if (path1->len < path2->len)
-                        ret = -1;
-                else if (path1->len > path2->len)
-                        ret = 1;
-        }
-        return ret;
-}
-
-/* For devices that should be moved to the absolute end of the list */
-static bool devices_delay_end(struct udev *udev, const char *syspath)
-{
-        static const char *delay_device_list[] = {
-                "/block/md",
-                "/block/dm-",
-                NULL
-        };
-        int i;
-
-        for (i = 0; delay_device_list[i] != NULL; i++) {
-                if (strstr(syspath + strlen("/sys"), delay_device_list[i]) != NULL)
-                        return true;
-        }
-        return false;
-}
-
-/* For devices that should just be moved a little bit later, just
- * before the point where some common path prefix changes. Returns the
- * number of characters that make up that common prefix */
-static size_t devices_delay_later(struct udev *udev, const char *syspath)
-{
-        const char *c;
-
-        /* For sound cards the control device must be enumerated last
-         * to make sure it's the final device node that gets ACLs
-         * applied. Applications rely on this fact and use ACL changes
-         * on the control node as an indicator that the ACL change of
-         * the entire sound card completed. The kernel makes this
-         * guarantee when creating those devices, and hence we should
-         * too when enumerating them. */
-
-        if ((c = strstr(syspath, "/sound/card"))) {
-                c += 11;
-                c += strcspn(c, "/");
-
-                if (startswith(c, "/controlC"))
-                        return c - syspath + 1;
-        }
-
-        return 0;
-}
-
-/**
- * udev_enumerate_get_list_entry:
- * @udev_enumerate: context
- *
- * Get the first entry of the sorted list of device paths.
- *
- * Returns: a udev_list_entry.
- */
-_public_ struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate)
-{
-        if (udev_enumerate == NULL)
-                return NULL;
-        if (!udev_enumerate->devices_uptodate) {
-                unsigned int i;
-                int move_later = -1;
-                unsigned int max;
-                struct syspath *prev = NULL;
-                size_t move_later_prefix = 0;
-
-                udev_list_cleanup(&udev_enumerate->devices_list);
-                qsort_safe(udev_enumerate->devices, udev_enumerate->devices_cur, sizeof(struct syspath), syspath_cmp);
-
-                max = udev_enumerate->devices_cur;
-                for (i = 0; i < max; i++) {
-                        struct syspath *entry = &udev_enumerate->devices[i];
-
-                        /* skip duplicated entries */
-                        if (prev != NULL &&
-                            entry->len == prev->len &&
-                            memcmp(entry->syspath, prev->syspath, entry->len) == 0)
-                                continue;
-                        prev = entry;
-
-                        /* skip to be delayed devices, and add them to the end of the list */
-                        if (devices_delay_end(udev_enumerate->udev, entry->syspath)) {
-                                syspath_add(udev_enumerate, entry->syspath);
-                                /* need to update prev here for the case realloc() gives a different address */
-                                prev = &udev_enumerate->devices[i];
-                                continue;
-                        }
-
-                        /* skip to be delayed devices, and move the to
-                         * the point where the prefix changes. We can
-                         * only move one item at a time. */
-                        if (move_later == -1) {
-                                move_later_prefix = devices_delay_later(udev_enumerate->udev, entry->syspath);
-
-                                if (move_later_prefix > 0) {
-                                        move_later = i;
-                                        continue;
-                                }
-                        }
-
-                        if ((move_later >= 0) &&
-                             !strneq(entry->syspath, udev_enumerate->devices[move_later].syspath, move_later_prefix)) {
-
-                                udev_list_entry_add(&udev_enumerate->devices_list,
-                                                    udev_enumerate->devices[move_later].syspath, NULL);
-                                move_later = -1;
-                        }
-
-                        udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL);
-                }
-
-                if (move_later >= 0)
-                        udev_list_entry_add(&udev_enumerate->devices_list,
-                                            udev_enumerate->devices[move_later].syspath, NULL);
-
-                /* add and cleanup delayed devices from end of list */
-                for (i = max; i < udev_enumerate->devices_cur; i++) {
-                        struct syspath *entry = &udev_enumerate->devices[i];
-
-                        udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL);
-                        free(entry->syspath);
-                }
-                udev_enumerate->devices_cur = max;
-
-                udev_enumerate->devices_uptodate = true;
-        }
-        return udev_list_get_entry(&udev_enumerate->devices_list);
-}
-
-/**
- * udev_enumerate_add_match_subsystem:
- * @udev_enumerate: context
- * @subsystem: filter for a subsystem of the device to include in the list
- *
- * Match only devices belonging to a certain kernel subsystem.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (subsystem == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->subsystem_match_list, subsystem, NULL) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_enumerate_add_nomatch_subsystem:
- * @udev_enumerate: context
- * @subsystem: filter for a subsystem of the device to exclude from the list
- *
- * Match only devices not belonging to a certain kernel subsystem.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (subsystem == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->subsystem_nomatch_list, subsystem, NULL) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_enumerate_add_match_sysattr:
- * @udev_enumerate: context
- * @sysattr: filter for a sys attribute at the device to include in the list
- * @value: optional value of the sys attribute
- *
- * Match only devices with a certain /sys device attribute.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (sysattr == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->sysattr_match_list, sysattr, value) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_enumerate_add_nomatch_sysattr:
- * @udev_enumerate: context
- * @sysattr: filter for a sys attribute at the device to exclude from the list
- * @value: optional value of the sys attribute
- *
- * Match only devices not having a certain /sys device attribute.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (sysattr == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->sysattr_nomatch_list, sysattr, value) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-static int match_sysattr_value(struct udev_device *dev, const char *sysattr, const char *match_val)
-{
-        const char *val = NULL;
-        bool match = false;
-
-        val = udev_device_get_sysattr_value(dev, sysattr);
-        if (val == NULL)
-                goto exit;
-        if (match_val == NULL) {
-                match = true;
-                goto exit;
-        }
-        if (fnmatch(match_val, val, 0) == 0) {
-                match = true;
-                goto exit;
-        }
-exit:
-        return match;
-}
-
-/**
- * udev_enumerate_add_match_property:
- * @udev_enumerate: context
- * @property: filter for a property of the device to include in the list
- * @value: value of the property
- *
- * Match only devices with a certain property.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (property == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->properties_match_list, property, value) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_enumerate_add_match_tag:
- * @udev_enumerate: context
- * @tag: filter for a tag of the device to include in the list
- *
- * Match only devices with a certain tag.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_tag(struct udev_enumerate *udev_enumerate, const char *tag)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (tag == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->tags_match_list, tag, NULL) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_enumerate_add_match_parent:
- * @udev_enumerate: context
- * @parent: parent device where to start searching
- *
- * Return the devices on the subtree of one given device. The parent
- * itself is included in the list.
- *
- * A reference for the device is held until the udev_enumerate context
- * is cleaned up.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *parent)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (parent == NULL)
-                return 0;
-        if (udev_enumerate->parent_match != NULL)
-                udev_device_unref(udev_enumerate->parent_match);
-        udev_enumerate->parent_match = udev_device_ref(parent);
-        return 0;
-}
-
-/**
- * udev_enumerate_add_match_is_initialized:
- * @udev_enumerate: context
- *
- * Match only devices which udev has set up already. This makes
- * sure, that the device node permissions and context are properly set
- * and that network devices are fully renamed.
- *
- * Usually, devices which are found in the kernel but not already
- * handled by udev, have still pending events. Services should subscribe
- * to monitor events and wait for these devices to become ready, instead
- * of using uninitialized devices.
- *
- * For now, this will not affect devices which do not have a device node
- * and are not network interfaces.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_is_initialized(struct udev_enumerate *udev_enumerate)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        udev_enumerate->match_is_initialized = true;
-        return 0;
-}
-
-/**
- * udev_enumerate_add_match_sysname:
- * @udev_enumerate: context
- * @sysname: filter for the name of the device to include in the list
- *
- * Match only devices with a given /sys device name.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (sysname == NULL)
-                return 0;
-        if (udev_list_entry_add(&udev_enumerate->sysname_match_list, sysname, NULL) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-static bool match_sysattr(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
-{
-        struct udev_list_entry *list_entry;
-
-        /* skip list */
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_nomatch_list)) {
-                if (match_sysattr_value(dev, udev_list_entry_get_name(list_entry),
-                                        udev_list_entry_get_value(list_entry)))
-                        return false;
-        }
-        /* include list */
-        if (udev_list_get_entry(&udev_enumerate->sysattr_match_list) != NULL) {
-                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_match_list)) {
-                        /* anything that does not match, will make it FALSE */
-                        if (!match_sysattr_value(dev, udev_list_entry_get_name(list_entry),
-                                                 udev_list_entry_get_value(list_entry)))
-                                return false;
-                }
-                return true;
-        }
-        return true;
-}
-
-static bool match_property(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
-{
-        struct udev_list_entry *list_entry;
-        bool match = false;
-
-        /* no match always matches */
-        if (udev_list_get_entry(&udev_enumerate->properties_match_list) == NULL)
-                return true;
-
-        /* loop over matches */
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->properties_match_list)) {
-                const char *match_key = udev_list_entry_get_name(list_entry);
-                const char *match_value = udev_list_entry_get_value(list_entry);
-                struct udev_list_entry *property_entry;
-
-                /* loop over device properties */
-                udev_list_entry_foreach(property_entry, udev_device_get_properties_list_entry(dev)) {
-                        const char *dev_key = udev_list_entry_get_name(property_entry);
-                        const char *dev_value = udev_list_entry_get_value(property_entry);
-
-                        if (fnmatch(match_key, dev_key, 0) != 0)
-                                continue;
-                        if (match_value == NULL && dev_value == NULL) {
-                                match = true;
-                                goto out;
-                        }
-                        if (match_value == NULL || dev_value == NULL)
-                                continue;
-                        if (fnmatch(match_value, dev_value, 0) == 0) {
-                                match = true;
-                                goto out;
-                        }
-                }
-        }
-out:
-        return match;
-}
-
-static bool match_tag(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
-{
-        struct udev_list_entry *list_entry;
-
-        /* no match always matches */
-        if (udev_list_get_entry(&udev_enumerate->tags_match_list) == NULL)
-                return true;
-
-        /* loop over matches */
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list))
-                if (!udev_device_has_tag(dev, udev_list_entry_get_name(list_entry)))
-                        return false;
-
-        return true;
-}
-
-static bool match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
-{
-        if (udev_enumerate->parent_match == NULL)
-                return true;
-
-        return startswith(udev_device_get_devpath(dev), udev_device_get_devpath(udev_enumerate->parent_match));
-}
-
-static bool match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname)
-{
-        struct udev_list_entry *list_entry;
-
-        if (udev_list_get_entry(&udev_enumerate->sysname_match_list) == NULL)
-                return true;
-
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysname_match_list)) {
-                if (fnmatch(udev_list_entry_get_name(list_entry), sysname, 0) != 0)
-                        continue;
-                return true;
-        }
-        return false;
-}
-
-static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate,
-                                    const char *basedir, const char *subdir1, const char *subdir2)
-{
-        char path[UTIL_PATH_SIZE];
-        size_t l;
-        char *s;
-        DIR *dir;
-        struct dirent *dent;
-
-        s = path;
-        l = strpcpyl(&s, sizeof(path), "/sys/", basedir, NULL);
-        if (subdir1 != NULL)
-                l = strpcpyl(&s, l, "/", subdir1, NULL);
-        if (subdir2 != NULL)
-                strpcpyl(&s, l, "/", subdir2, NULL);
-        dir = opendir(path);
-        if (dir == NULL)
-                return -ENOENT;
-        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-                char syspath[UTIL_PATH_SIZE];
-                struct udev_device *dev;
-
-                if (dent->d_name[0] == '.')
-                        continue;
-
-                if (!match_sysname(udev_enumerate, dent->d_name))
-                        continue;
-
-                strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL);
-                dev = udev_device_new_from_syspath(udev_enumerate->udev, syspath);
-                if (dev == NULL)
-                        continue;
-
-                if (udev_enumerate->match_is_initialized) {
-                        /*
-                         * All devices with a device node or network interfaces
-                         * possibly need udev to adjust the device node permission
-                         * or context, or rename the interface before it can be
-                         * reliably used from other processes.
-                         *
-                         * For now, we can only check these types of devices, we
-                         * might not store a database, and have no way to find out
-                         * for all other types of devices.
-                         */
-                        if (!udev_device_get_is_initialized(dev) &&
-                            (major(udev_device_get_devnum(dev)) > 0 || udev_device_get_ifindex(dev) > 0))
-                                goto nomatch;
-                }
-                if (!match_parent(udev_enumerate, dev))
-                        goto nomatch;
-                if (!match_tag(udev_enumerate, dev))
-                        goto nomatch;
-                if (!match_property(udev_enumerate, dev))
-                        goto nomatch;
-                if (!match_sysattr(udev_enumerate, dev))
-                        goto nomatch;
-
-                syspath_add(udev_enumerate, udev_device_get_syspath(dev));
-nomatch:
-                udev_device_unref(dev);
-        }
-        closedir(dir);
-        return 0;
-}
-
-static bool match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem)
-{
-        struct udev_list_entry *list_entry;
-
-        if (!subsystem)
-                return false;
-
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_nomatch_list)) {
-                if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
-                        return false;
-        }
-
-        if (udev_list_get_entry(&udev_enumerate->subsystem_match_list) != NULL) {
-                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_match_list)) {
-                        if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
-                                return true;
-                }
-                return false;
-        }
-
-        return true;
-}
-
-static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir, const char *subsystem)
-{
-        char path[UTIL_PATH_SIZE];
-        DIR *dir;
-        struct dirent *dent;
-
-        strscpyl(path, sizeof(path), "/sys/", basedir, NULL);
-        dir = opendir(path);
-        if (dir == NULL)
-                return -1;
-        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-                if (dent->d_name[0] == '.')
-                        continue;
-                if (!match_subsystem(udev_enumerate, subsystem != NULL ? subsystem : dent->d_name))
-                        continue;
-                scan_dir_and_add_devices(udev_enumerate, basedir, dent->d_name, subdir);
-        }
-        closedir(dir);
-        return 0;
-}
-
-/**
- * udev_enumerate_add_syspath:
- * @udev_enumerate: context
- * @syspath: path of a device
- *
- * Add a device to the list of devices, to retrieve it back sorted in dependency order.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath)
-{
-        struct udev_device *udev_device;
-
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-        if (syspath == NULL)
-                return 0;
-        /* resolve to real syspath */
-        udev_device = udev_device_new_from_syspath(udev_enumerate->udev, syspath);
-        if (udev_device == NULL)
-                return -EINVAL;
-        syspath_add(udev_enumerate, udev_device_get_syspath(udev_device));
-        udev_device_unref(udev_device);
-        return 0;
-}
-
-static int scan_devices_tags(struct udev_enumerate *udev_enumerate)
-{
-        struct udev_list_entry *list_entry;
-
-        /* scan only tagged devices, use tags reverse-index, instead of searching all devices in /sys */
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) {
-                DIR *dir;
-                struct dirent *dent;
-                char path[UTIL_PATH_SIZE];
-
-                strscpyl(path, sizeof(path), "/run/udev/tags/", udev_list_entry_get_name(list_entry), NULL);
-                dir = opendir(path);
-                if (dir == NULL)
-                        continue;
-                for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-                        struct udev_device *dev;
-
-                        if (dent->d_name[0] == '.')
-                                continue;
-
-                        dev = udev_device_new_from_device_id(udev_enumerate->udev, dent->d_name);
-                        if (dev == NULL)
-                                continue;
-
-                        if (!match_subsystem(udev_enumerate, udev_device_get_subsystem(dev)))
-                                goto nomatch;
-                        if (!match_sysname(udev_enumerate, udev_device_get_sysname(dev)))
-                                goto nomatch;
-                        if (!match_parent(udev_enumerate, dev))
-                                goto nomatch;
-                        if (!match_property(udev_enumerate, dev))
-                                goto nomatch;
-                        if (!match_sysattr(udev_enumerate, dev))
-                                goto nomatch;
-
-                        syspath_add(udev_enumerate, udev_device_get_syspath(dev));
-nomatch:
-                        udev_device_unref(dev);
-                }
-                closedir(dir);
-        }
-        return 0;
-}
-
-static int parent_add_child(struct udev_enumerate *enumerate, const char *path)
-{
-        struct udev_device *dev;
-        int r = 0;
-
-        dev = udev_device_new_from_syspath(enumerate->udev, path);
-        if (dev == NULL)
-                return -ENODEV;
-
-        if (!match_subsystem(enumerate, udev_device_get_subsystem(dev)))
-                goto nomatch;
-        if (!match_sysname(enumerate, udev_device_get_sysname(dev)))
-                goto nomatch;
-        if (!match_property(enumerate, dev))
-                goto nomatch;
-        if (!match_sysattr(enumerate, dev))
-                goto nomatch;
-
-        syspath_add(enumerate, udev_device_get_syspath(dev));
-        r = 1;
-
-nomatch:
-        udev_device_unref(dev);
-        return r;
-}
-
-static int parent_crawl_children(struct udev_enumerate *enumerate, const char *path, int maxdepth)
-{
-        DIR *d;
-        struct dirent *dent;
-
-        d = opendir(path);
-        if (d == NULL)
-                return -errno;
-
-        for (dent = readdir(d); dent != NULL; dent = readdir(d)) {
-                char *child;
-
-                if (dent->d_name[0] == '.')
-                        continue;
-                if (dent->d_type != DT_DIR)
-                        continue;
-                if (asprintf(&child, "%s/%s", path, dent->d_name) < 0)
-                        continue;
-                parent_add_child(enumerate, child);
-                if (maxdepth > 0)
-                        parent_crawl_children(enumerate, child, maxdepth-1);
-                free(child);
-        }
-
-        closedir(d);
-        return 0;
-}
-
-static int scan_devices_children(struct udev_enumerate *enumerate)
-{
-        const char *path;
-
-        path = udev_device_get_syspath(enumerate->parent_match);
-        parent_add_child(enumerate, path);
-        return parent_crawl_children(enumerate, path, 256);
-}
-
-static int scan_devices_all(struct udev_enumerate *udev_enumerate)
-{
-        struct stat statbuf;
-
-        if (stat("/sys/subsystem", &statbuf) == 0) {
-                /* we have /subsystem/, forget all the old stuff */
-                scan_dir(udev_enumerate, "subsystem", "devices", NULL);
-        } else {
-                scan_dir(udev_enumerate, "bus", "devices", NULL);
-                scan_dir(udev_enumerate, "class", NULL, NULL);
-        }
-        return 0;
-}
-
-/**
- * udev_enumerate_scan_devices:
- * @udev_enumerate: udev enumeration context
- *
- * Scan /sys for all devices which match the given filters. No matches
- * will return all currently available devices.
- *
- * Returns: 0 on success, otherwise a negative error value.
- **/
-_public_ int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate)
-{
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-
-        /* efficiently lookup tags only, we maintain a reverse-index */
-        if (udev_list_get_entry(&udev_enumerate->tags_match_list) != NULL)
-                return scan_devices_tags(udev_enumerate);
-
-        /* walk the subtree of one parent device only */
-        if (udev_enumerate->parent_match != NULL)
-                return scan_devices_children(udev_enumerate);
-
-        /* scan devices of all subsystems */
-        return scan_devices_all(udev_enumerate);
-}
-
-/**
- * udev_enumerate_scan_subsystems:
- * @udev_enumerate: udev enumeration context
- *
- * Scan /sys for all kernel subsystems, including buses, classes, drivers.
- *
- * Returns: 0 on success, otherwise a negative error value.
- **/
-_public_ int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate)
-{
-        struct stat statbuf;
-        const char *subsysdir;
-
-        if (udev_enumerate == NULL)
-                return -EINVAL;
-
-        /* all kernel modules */
-        if (match_subsystem(udev_enumerate, "module"))
-                scan_dir_and_add_devices(udev_enumerate, "module", NULL, NULL);
-
-        if (stat("/sys/subsystem", &statbuf) == 0)
-                subsysdir = "subsystem";
-        else
-                subsysdir = "bus";
-
-        /* all subsystems (only buses support coldplug) */
-        if (match_subsystem(udev_enumerate, "subsystem"))
-                scan_dir_and_add_devices(udev_enumerate, subsysdir, NULL, NULL);
-
-        /* all subsystem drivers */
-        if (match_subsystem(udev_enumerate, "drivers"))
-                scan_dir(udev_enumerate, subsysdir, "drivers", "drivers");
-        return 0;
-}
diff --git a/src/libudev/libudev-hwdb.c b/src/libudev/libudev-hwdb.c
deleted file mode 100644
index 98951fb85b..0000000000
--- a/src/libudev/libudev-hwdb.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright Tom Gundersen <teg@jklm.no>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "libudev-private.h"
-#include "sd-hwdb.h"
-#include "hwdb-util.h"
-
-/**
- * SECTION:libudev-hwdb
- * @short_description: retrieve properties from the hardware database
- *
- * Libudev hardware database interface.
- */
-
-/**
- * udev_hwdb:
- *
- * Opaque object representing the hardware database.
- */
-struct udev_hwdb {
-        struct udev *udev;
-        int refcount;
-
-        sd_hwdb *hwdb;
-
-        struct udev_list properties_list;
-};
-
-/**
- * udev_hwdb_new:
- * @udev: udev library context
- *
- * Create a hardware database context to query properties for devices.
- *
- * Returns: a hwdb context.
- **/
-_public_ struct udev_hwdb *udev_hwdb_new(struct udev *udev) {
-        _cleanup_hwdb_unref_ sd_hwdb *hwdb_internal = NULL;
-        struct udev_hwdb *hwdb;
-        int r;
-
-        assert_return(udev, NULL);
-
-        r = sd_hwdb_new(&hwdb_internal);
-        if (r < 0)
-                return NULL;
-
-        hwdb = new0(struct udev_hwdb, 1);
-        if (!hwdb)
-                return NULL;
-
-        hwdb->refcount = 1;
-        hwdb->hwdb = hwdb_internal;
-        hwdb_internal = NULL;
-
-        udev_list_init(udev, &hwdb->properties_list, true);
-
-        return hwdb;
-}
-
-/**
- * udev_hwdb_ref:
- * @hwdb: context
- *
- * Take a reference of a hwdb context.
- *
- * Returns: the passed enumeration context
- **/
-_public_ struct udev_hwdb *udev_hwdb_ref(struct udev_hwdb *hwdb) {
-        if (!hwdb)
-                return NULL;
-        hwdb->refcount++;
-        return hwdb;
-}
-
-/**
- * udev_hwdb_unref:
- * @hwdb: context
- *
- * Drop a reference of a hwdb context. If the refcount reaches zero,
- * all resources of the hwdb context will be released.
- *
- * Returns: #NULL
- **/
-_public_ struct udev_hwdb *udev_hwdb_unref(struct udev_hwdb *hwdb) {
-        if (!hwdb)
-                return NULL;
-        hwdb->refcount--;
-        if (hwdb->refcount > 0)
-                return NULL;
-        sd_hwdb_unref(hwdb->hwdb);
-        udev_list_cleanup(&hwdb->properties_list);
-        free(hwdb);
-        return NULL;
-}
-
-/**
- * udev_hwdb_get_properties_list_entry:
- * @hwdb: context
- * @modalias: modalias string
- * @flags: (unused)
- *
- * Lookup a matching device in the hardware database. The lookup key is a
- * modalias string, whose formats are defined for the Linux kernel modules.
- * Examples are: pci:v00008086d00001C2D*, usb:v04F2pB221*. The first entry
- * of a list of retrieved properties is returned.
- *
- * Returns: a udev_list_entry.
- */
-_public_ struct udev_list_entry *udev_hwdb_get_properties_list_entry(struct udev_hwdb *hwdb, const char *modalias, unsigned int flags) {
-        const char *key, *value;
-
-        if (!hwdb || !modalias) {
-                errno = EINVAL;
-                return NULL;
-        }
-
-        udev_list_cleanup(&hwdb->properties_list);
-
-        SD_HWDB_FOREACH_PROPERTY(hwdb->hwdb, modalias, key, value) {
-                if (udev_list_entry_add(&hwdb->properties_list, key, value) == NULL) {
-                        errno = ENOMEM;
-                        return NULL;
-                }
-        }
-
-        return udev_list_get_entry(&hwdb->properties_list);
-}
diff --git a/src/libudev/libudev-list.c b/src/libudev/libudev-list.c
deleted file mode 100644
index 044ee3a0cb..0000000000
--- a/src/libudev/libudev-list.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdlib.h>
-#include <stddef.h>
-#include <errno.h>
-#include <string.h>
-
-#include "libudev-private.h"
-
-/**
- * SECTION:libudev-list
- * @short_description: list operation
- *
- * Libudev list operations.
- */
-
-/**
- * udev_list_entry:
- *
- * Opaque object representing one entry in a list. An entry contains
- * contains a name, and optionally a value.
- */
-struct udev_list_entry {
-        struct udev_list_node node;
-        struct udev_list *list;
-        char *name;
-        char *value;
-        int num;
-};
-
-/* the list's head points to itself if empty */
-void udev_list_node_init(struct udev_list_node *list)
-{
-        list->next = list;
-        list->prev = list;
-}
-
-int udev_list_node_is_empty(struct udev_list_node *list)
-{
-        return list->next == list;
-}
-
-static void udev_list_node_insert_between(struct udev_list_node *new,
-                                          struct udev_list_node *prev,
-                                          struct udev_list_node *next)
-{
-        next->prev = new;
-        new->next = next;
-        new->prev = prev;
-        prev->next = new;
-}
-
-void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list)
-{
-        udev_list_node_insert_between(new, list->prev, list);
-}
-
-void udev_list_node_remove(struct udev_list_node *entry)
-{
-        struct udev_list_node *prev = entry->prev;
-        struct udev_list_node *next = entry->next;
-
-        next->prev = prev;
-        prev->next = next;
-
-        entry->prev = NULL;
-        entry->next = NULL;
-}
-
-/* return list entry which embeds this node */
-static inline struct udev_list_entry *list_node_to_entry(struct udev_list_node *node)
-{
-        return container_of(node, struct udev_list_entry, node);
-}
-
-void udev_list_init(struct udev *udev, struct udev_list *list, bool unique)
-{
-        memzero(list, sizeof(struct udev_list));
-        list->udev = udev;
-        list->unique = unique;
-        udev_list_node_init(&list->node);
-}
-
-/* insert entry into a list as the last element  */
-static void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list)
-{
-        /* inserting before the list head make the node the last node in the list */
-        udev_list_node_insert_between(&new->node, list->node.prev, &list->node);
-        new->list = list;
-}
-
-/* insert entry into a list, before a given existing entry */
-static void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry)
-{
-        udev_list_node_insert_between(&new->node, entry->node.prev, &entry->node);
-        new->list = entry->list;
-}
-
-/* binary search in sorted array */
-static int list_search(struct udev_list *list, const char *name)
-{
-        unsigned int first, last;
-
-        first = 0;
-        last = list->entries_cur;
-        while (first < last) {
-                unsigned int i;
-                int cmp;
-
-                i = (first + last)/2;
-                cmp = strcmp(name, list->entries[i]->name);
-                if (cmp < 0)
-                        last = i;
-                else if (cmp > 0)
-                        first = i+1;
-                else
-                        return i;
-        }
-
-        /* not found, return negative insertion-index+1 */
-        return -(first+1);
-}
-
-struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *name, const char *value)
-{
-        struct udev_list_entry *entry;
-        int i = 0;
-
-        if (list->unique) {
-                /* lookup existing name or insertion-index */
-                i = list_search(list, name);
-                if (i >= 0) {
-                        entry = list->entries[i];
-
-                        free(entry->value);
-                        if (value == NULL) {
-                                entry->value = NULL;
-                                return entry;
-                        }
-                        entry->value = strdup(value);
-                        if (entry->value == NULL)
-                                return NULL;
-                        return entry;
-                }
-        }
-
-        /* add new name */
-        entry = new0(struct udev_list_entry, 1);
-        if (entry == NULL)
-                return NULL;
-        entry->name = strdup(name);
-        if (entry->name == NULL) {
-                free(entry);
-                return NULL;
-        }
-        if (value != NULL) {
-                entry->value = strdup(value);
-                if (entry->value == NULL) {
-                        free(entry->name);
-                        free(entry);
-                        return NULL;
-                }
-        }
-
-        if (list->unique) {
-                /* allocate or enlarge sorted array if needed */
-                if (list->entries_cur >= list->entries_max) {
-                        struct udev_list_entry **entries;
-                        unsigned int add;
-
-                        add = list->entries_max;
-                        if (add < 1)
-                                add = 64;
-                        entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *));
-                        if (entries == NULL) {
-                                free(entry->name);
-                                free(entry->value);
-                                free(entry);
-                                return NULL;
-                        }
-                        list->entries = entries;
-                        list->entries_max += add;
-                }
-
-                /* the negative i returned the insertion index */
-                i = (-i)-1;
-
-                /* insert into sorted list */
-                if ((unsigned int)i < list->entries_cur)
-                        udev_list_entry_insert_before(entry, list->entries[i]);
-                else
-                        udev_list_entry_append(entry, list);
-
-                /* insert into sorted array */
-                memmove(&list->entries[i+1], &list->entries[i],
-                        (list->entries_cur - i) * sizeof(struct udev_list_entry *));
-                list->entries[i] = entry;
-                list->entries_cur++;
-        } else {
-                udev_list_entry_append(entry, list);
-        }
-
-        return entry;
-}
-
-void udev_list_entry_delete(struct udev_list_entry *entry)
-{
-        if (entry->list->entries != NULL) {
-                int i;
-                struct udev_list *list = entry->list;
-
-                /* remove entry from sorted array */
-                i = list_search(list, entry->name);
-                if (i >= 0) {
-                        memmove(&list->entries[i], &list->entries[i+1],
-                                ((list->entries_cur-1) - i) * sizeof(struct udev_list_entry *));
-                        list->entries_cur--;
-                }
-        }
-
-        udev_list_node_remove(&entry->node);
-        free(entry->name);
-        free(entry->value);
-        free(entry);
-}
-
-void udev_list_cleanup(struct udev_list *list)
-{
-        struct udev_list_entry *entry_loop;
-        struct udev_list_entry *entry_tmp;
-
-        free(list->entries);
-        list->entries = NULL;
-        list->entries_cur = 0;
-        list->entries_max = 0;
-        udev_list_entry_foreach_safe(entry_loop, entry_tmp, udev_list_get_entry(list))
-                udev_list_entry_delete(entry_loop);
-}
-
-struct udev_list_entry *udev_list_get_entry(struct udev_list *list)
-{
-        if (udev_list_node_is_empty(&list->node))
-                return NULL;
-        return list_node_to_entry(list->node.next);
-}
-
-/**
- * udev_list_entry_get_next:
- * @list_entry: current entry
- *
- * Get the next entry from the list.
- *
- * Returns: udev_list_entry, #NULL if no more entries are available.
- */
-_public_ struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry)
-{
-        struct udev_list_node *next;
-
-        if (list_entry == NULL)
-                return NULL;
-        next = list_entry->node.next;
-        /* empty list or no more entries */
-        if (next == &list_entry->list->node)
-                return NULL;
-        return list_node_to_entry(next);
-}
-
-/**
- * udev_list_entry_get_by_name:
- * @list_entry: current entry
- * @name: name string to match
- *
- * Lookup an entry in the list with a certain name.
- *
- * Returns: udev_list_entry, #NULL if no matching entry is found.
- */
-_public_ struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name)
-{
-        int i;
-
-        if (list_entry == NULL)
-                return NULL;
-
-        if (!list_entry->list->unique)
-                return NULL;
-
-        i = list_search(list_entry->list, name);
-        if (i < 0)
-                return NULL;
-        return list_entry->list->entries[i];
-}
-
-/**
- * udev_list_entry_get_name:
- * @list_entry: current entry
- *
- * Get the name of a list entry.
- *
- * Returns: the name string of this entry.
- */
-_public_ const char *udev_list_entry_get_name(struct udev_list_entry *list_entry)
-{
-        if (list_entry == NULL)
-                return NULL;
-        return list_entry->name;
-}
-
-/**
- * udev_list_entry_get_value:
- * @list_entry: current entry
- *
- * Get the value of list entry.
- *
- * Returns: the value string of this entry.
- */
-_public_ const char *udev_list_entry_get_value(struct udev_list_entry *list_entry)
-{
-        if (list_entry == NULL)
-                return NULL;
-        return list_entry->value;
-}
-
-int udev_list_entry_get_num(struct udev_list_entry *list_entry)
-{
-        if (list_entry == NULL)
-                return -EINVAL;
-        return list_entry->num;
-}
-
-void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num)
-{
-        if (list_entry == NULL)
-                return;
-        list_entry->num = num;
-}
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
deleted file mode 100644
index c48ac78908..0000000000
--- a/src/libudev/libudev-monitor.c
+++ /dev/null
@@ -1,832 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <poll.h>
-#include <sys/socket.h>
-#include <linux/netlink.h>
-#include <linux/filter.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-#include "socket-util.h"
-#include "missing.h"
-
-/**
- * SECTION:libudev-monitor
- * @short_description: device event source
- *
- * Connects to a device event source.
- */
-
-/**
- * udev_monitor:
- *
- * Opaque object handling an event source.
- */
-struct udev_monitor {
-        struct udev *udev;
-        int refcount;
-        int sock;
-        union sockaddr_union snl;
-        union sockaddr_union snl_trusted_sender;
-        union sockaddr_union snl_destination;
-        socklen_t addrlen;
-        struct udev_list filter_subsystem_list;
-        struct udev_list filter_tag_list;
-        bool bound;
-};
-
-enum udev_monitor_netlink_group {
-        UDEV_MONITOR_NONE,
-        UDEV_MONITOR_KERNEL,
-        UDEV_MONITOR_UDEV,
-};
-
-#define UDEV_MONITOR_MAGIC                0xfeedcafe
-struct udev_monitor_netlink_header {
-        /* "libudev" prefix to distinguish libudev and kernel messages */
-        char prefix[8];
-        /*
-         * magic to protect against daemon <-> library message format mismatch
-         * used in the kernel from socket filter rules; needs to be stored in network order
-         */
-        unsigned int magic;
-        /* total length of header structure known to the sender */
-        unsigned int header_size;
-        /* properties string buffer */
-        unsigned int properties_off;
-        unsigned int properties_len;
-        /*
-         * hashes of primary device properties strings, to let libudev subscribers
-         * use in-kernel socket filters; values need to be stored in network order
-         */
-        unsigned int filter_subsystem_hash;
-        unsigned int filter_devtype_hash;
-        unsigned int filter_tag_bloom_hi;
-        unsigned int filter_tag_bloom_lo;
-};
-
-static struct udev_monitor *udev_monitor_new(struct udev *udev)
-{
-        struct udev_monitor *udev_monitor;
-
-        udev_monitor = new0(struct udev_monitor, 1);
-        if (udev_monitor == NULL)
-                return NULL;
-        udev_monitor->refcount = 1;
-        udev_monitor->udev = udev;
-        udev_list_init(udev, &udev_monitor->filter_subsystem_list, false);
-        udev_list_init(udev, &udev_monitor->filter_tag_list, true);
-        return udev_monitor;
-}
-
-/* we consider udev running when /dev is on devtmpfs */
-static bool udev_has_devtmpfs(struct udev *udev) {
-
-        union file_handle_union h = FILE_HANDLE_INIT;
-        _cleanup_fclose_ FILE *f = NULL;
-        char line[LINE_MAX], *e;
-        int mount_id;
-        int r;
-
-        r = name_to_handle_at(AT_FDCWD, "/dev", &h.handle, &mount_id, 0);
-        if (r < 0) {
-                if (errno != EOPNOTSUPP)
-                        log_debug_errno(errno, "name_to_handle_at on /dev: %m");
-                return false;
-        }
-
-        f = fopen("/proc/self/mountinfo", "re");
-        if (!f)
-                return false;
-
-        FOREACH_LINE(line, f, return false) {
-                int mid;
-
-                if (sscanf(line, "%i", &mid) != 1)
-                        continue;
-
-                if (mid != mount_id)
-                        continue;
-
-                e = strstr(line, " - ");
-                if (!e)
-                        continue;
-
-                /* accept any name that starts with the currently expected type */
-                if (startswith(e + 3, "devtmpfs"))
-                        return true;
-        }
-
-        return false;
-}
-
-struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd)
-{
-        struct udev_monitor *udev_monitor;
-        unsigned int group;
-
-        if (udev == NULL)
-                return NULL;
-
-        if (name == NULL)
-                group = UDEV_MONITOR_NONE;
-        else if (streq(name, "udev")) {
-                /*
-                 * We do not support subscribing to uevents if no instance of
-                 * udev is running. Uevents would otherwise broadcast the
-                 * processing data of the host into containers, which is not
-                 * desired.
-                 *
-                 * Containers will currently not get any udev uevents, until
-                 * a supporting infrastructure is available.
-                 *
-                 * We do not set a netlink multicast group here, so the socket
-                 * will not receive any messages.
-                 */
-                if (access("/run/udev/control", F_OK) < 0 && !udev_has_devtmpfs(udev)) {
-                        log_debug("the udev service seems not to be active, disable the monitor");
-                        group = UDEV_MONITOR_NONE;
-                } else
-                        group = UDEV_MONITOR_UDEV;
-        } else if (streq(name, "kernel"))
-                group = UDEV_MONITOR_KERNEL;
-        else
-                return NULL;
-
-        udev_monitor = udev_monitor_new(udev);
-        if (udev_monitor == NULL)
-                return NULL;
-
-        if (fd < 0) {
-                udev_monitor->sock = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_KOBJECT_UEVENT);
-                if (udev_monitor->sock == -1) {
-                        log_debug_errno(errno, "error getting socket: %m");
-                        free(udev_monitor);
-                        return NULL;
-                }
-        } else {
-                udev_monitor->bound = true;
-                udev_monitor->sock = fd;
-        }
-
-        udev_monitor->snl.nl.nl_family = AF_NETLINK;
-        udev_monitor->snl.nl.nl_groups = group;
-
-        /* default destination for sending */
-        udev_monitor->snl_destination.nl.nl_family = AF_NETLINK;
-        udev_monitor->snl_destination.nl.nl_groups = UDEV_MONITOR_UDEV;
-
-        return udev_monitor;
-}
-
-/**
- * udev_monitor_new_from_netlink:
- * @udev: udev library context
- * @name: name of event source
- *
- * Create new udev monitor and connect to a specified event
- * source. Valid sources identifiers are "udev" and "kernel".
- *
- * Applications should usually not connect directly to the
- * "kernel" events, because the devices might not be useable
- * at that time, before udev has configured them, and created
- * device nodes. Accessing devices at the same time as udev,
- * might result in unpredictable behavior. The "udev" events
- * are sent out after udev has finished its event processing,
- * all rules have been processed, and needed device nodes are
- * created.
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev monitor.
- *
- * Returns: a new udev monitor, or #NULL, in case of an error
- **/
-_public_ struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name)
-{
-        return udev_monitor_new_from_netlink_fd(udev, name, -1);
-}
-
-static inline void bpf_stmt(struct sock_filter *inss, unsigned int *i,
-                            unsigned short code, unsigned int data)
-{
-        struct sock_filter *ins = &inss[*i];
-
-        ins->code = code;
-        ins->k = data;
-        (*i)++;
-}
-
-static inline void bpf_jmp(struct sock_filter *inss, unsigned int *i,
-                           unsigned short code, unsigned int data,
-                           unsigned short jt, unsigned short jf)
-{
-        struct sock_filter *ins = &inss[*i];
-
-        ins->code = code;
-        ins->jt = jt;
-        ins->jf = jf;
-        ins->k = data;
-        (*i)++;
-}
-
-/**
- * udev_monitor_filter_update:
- * @udev_monitor: monitor
- *
- * Update the installed socket filter. This is only needed,
- * if the filter was removed or changed.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_monitor_filter_update(struct udev_monitor *udev_monitor)
-{
-        struct sock_filter ins[512];
-        struct sock_fprog filter;
-        unsigned int i;
-        struct udev_list_entry *list_entry;
-        int err;
-
-        if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL &&
-            udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL)
-                return 0;
-
-        memzero(ins, sizeof(ins));
-        i = 0;
-
-        /* load magic in A */
-        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, magic));
-        /* jump if magic matches */
-        bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, UDEV_MONITOR_MAGIC, 1, 0);
-        /* wrong magic, pass packet */
-        bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
-
-        if (udev_list_get_entry(&udev_monitor->filter_tag_list) != NULL) {
-                int tag_matches;
-
-                /* count tag matches, to calculate end of tag match block */
-                tag_matches = 0;
-                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list))
-                        tag_matches++;
-
-                /* add all tags matches */
-                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) {
-                        uint64_t tag_bloom_bits = util_string_bloom64(udev_list_entry_get_name(list_entry));
-                        uint32_t tag_bloom_hi = tag_bloom_bits >> 32;
-                        uint32_t tag_bloom_lo = tag_bloom_bits & 0xffffffff;
-
-                        /* load device bloom bits in A */
-                        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_hi));
-                        /* clear bits (tag bits & bloom bits) */
-                        bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_hi);
-                        /* jump to next tag if it does not match */
-                        bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_hi, 0, 3);
-
-                        /* load device bloom bits in A */
-                        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_lo));
-                        /* clear bits (tag bits & bloom bits) */
-                        bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_lo);
-                        /* jump behind end of tag match block if tag matches */
-                        tag_matches--;
-                        bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_lo, 1 + (tag_matches * 6), 0);
-                }
-
-                /* nothing matched, drop packet */
-                bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);
-        }
-
-        /* add all subsystem matches */
-        if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) != NULL) {
-                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) {
-                        unsigned int hash = util_string_hash32(udev_list_entry_get_name(list_entry));
-
-                        /* load device subsystem value in A */
-                        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_subsystem_hash));
-                        if (udev_list_entry_get_value(list_entry) == NULL) {
-                                /* jump if subsystem does not match */
-                                bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);
-                        } else {
-                                /* jump if subsystem does not match */
-                                bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 3);
-
-                                /* load device devtype value in A */
-                                bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_devtype_hash));
-                                /* jump if value does not match */
-                                hash = util_string_hash32(udev_list_entry_get_value(list_entry));
-                                bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);
-                        }
-
-                        /* matched, pass packet */
-                        bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
-
-                        if (i+1 >= ELEMENTSOF(ins))
-                                return -E2BIG;
-                }
-
-                /* nothing matched, drop packet */
-                bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);
-        }
-
-        /* matched, pass packet */
-        bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
-
-        /* install filter */
-        memzero(&filter, sizeof(filter));
-        filter.len = i;
-        filter.filter = ins;
-        err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter));
-        return err < 0 ? -errno : 0;
-}
-
-int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender)
-{
-        udev_monitor->snl_trusted_sender.nl.nl_pid = sender->snl.nl.nl_pid;
-        return 0;
-}
-/**
- * udev_monitor_enable_receiving:
- * @udev_monitor: the monitor which should receive events
- *
- * Binds the @udev_monitor socket to the event source.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
-{
-        int err = 0;
-        const int on = 1;
-
-        udev_monitor_filter_update(udev_monitor);
-
-        if (!udev_monitor->bound) {
-                err = bind(udev_monitor->sock,
-                           &udev_monitor->snl.sa, sizeof(struct sockaddr_nl));
-                if (err == 0)
-                        udev_monitor->bound = true;
-        }
-
-        if (err >= 0) {
-                union sockaddr_union snl;
-                socklen_t addrlen;
-
-                /*
-                 * get the address the kernel has assigned us
-                 * it is usually, but not necessarily the pid
-                 */
-                addrlen = sizeof(struct sockaddr_nl);
-                err = getsockname(udev_monitor->sock, &snl.sa, &addrlen);
-                if (err == 0)
-                        udev_monitor->snl.nl.nl_pid = snl.nl.nl_pid;
-        } else {
-                log_debug_errno(errno, "bind failed: %m");
-                return -errno;
-        }
-
-        /* enable receiving of sender credentials */
-        err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
-        if (err < 0)
-                log_debug_errno(errno, "setting SO_PASSCRED failed: %m");
-
-        return 0;
-}
-
-/**
- * udev_monitor_set_receive_buffer_size:
- * @udev_monitor: the monitor which should receive events
- * @size: the size in bytes
- *
- * Set the size of the kernel socket buffer. This call needs the
- * appropriate privileges to succeed.
- *
- * Returns: 0 on success, otherwise -1 on error.
- */
-_public_ int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size)
-{
-        if (udev_monitor == NULL)
-                return -EINVAL;
-        return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_RCVBUFFORCE, &size, sizeof(size));
-}
-
-int udev_monitor_disconnect(struct udev_monitor *udev_monitor)
-{
-        int err;
-
-        err = close(udev_monitor->sock);
-        udev_monitor->sock = -1;
-        return err < 0 ? -errno : 0;
-}
-
-/**
- * udev_monitor_ref:
- * @udev_monitor: udev monitor
- *
- * Take a reference of a udev monitor.
- *
- * Returns: the passed udev monitor
- **/
-_public_ struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor)
-{
-        if (udev_monitor == NULL)
-                return NULL;
-        udev_monitor->refcount++;
-        return udev_monitor;
-}
-
-/**
- * udev_monitor_unref:
- * @udev_monitor: udev monitor
- *
- * Drop a reference of a udev monitor. If the refcount reaches zero,
- * the bound socket will be closed, and the resources of the monitor
- * will be released.
- *
- * Returns: #NULL
- **/
-_public_ struct udev_monitor *udev_monitor_unref(struct udev_monitor *udev_monitor)
-{
-        if (udev_monitor == NULL)
-                return NULL;
-        udev_monitor->refcount--;
-        if (udev_monitor->refcount > 0)
-                return NULL;
-        if (udev_monitor->sock >= 0)
-                close(udev_monitor->sock);
-        udev_list_cleanup(&udev_monitor->filter_subsystem_list);
-        udev_list_cleanup(&udev_monitor->filter_tag_list);
-        free(udev_monitor);
-        return NULL;
-}
-
-/**
- * udev_monitor_get_udev:
- * @udev_monitor: udev monitor
- *
- * Retrieve the udev library context the monitor was created with.
- *
- * Returns: the udev library context
- **/
-_public_ struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor)
-{
-        if (udev_monitor == NULL)
-                return NULL;
-        return udev_monitor->udev;
-}
-
-/**
- * udev_monitor_get_fd:
- * @udev_monitor: udev monitor
- *
- * Retrieve the socket file descriptor associated with the monitor.
- *
- * Returns: the socket file descriptor
- **/
-_public_ int udev_monitor_get_fd(struct udev_monitor *udev_monitor)
-{
-        if (udev_monitor == NULL)
-                return -EINVAL;
-        return udev_monitor->sock;
-}
-
-static int passes_filter(struct udev_monitor *udev_monitor, struct udev_device *udev_device)
-{
-        struct udev_list_entry *list_entry;
-
-        if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL)
-                goto tag;
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) {
-                const char *subsys = udev_list_entry_get_name(list_entry);
-                const char *dsubsys = udev_device_get_subsystem(udev_device);
-                const char *devtype;
-                const char *ddevtype;
-
-                if (!streq(dsubsys, subsys))
-                        continue;
-
-                devtype = udev_list_entry_get_value(list_entry);
-                if (devtype == NULL)
-                        goto tag;
-                ddevtype = udev_device_get_devtype(udev_device);
-                if (ddevtype == NULL)
-                        continue;
-                if (streq(ddevtype, devtype))
-                        goto tag;
-        }
-        return 0;
-
-tag:
-        if (udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL)
-                return 1;
-        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) {
-                const char *tag = udev_list_entry_get_name(list_entry);
-
-                if (udev_device_has_tag(udev_device, tag))
-                        return 1;
-        }
-        return 0;
-}
-
-/**
- * udev_monitor_receive_device:
- * @udev_monitor: udev monitor
- *
- * Receive data from the udev monitor socket, allocate a new udev
- * device, fill in the received data, and return the device.
- *
- * Only socket connections with uid=0 are accepted.
- *
- * The monitor socket is by default set to NONBLOCK. A variant of poll() on
- * the file descriptor returned by udev_monitor_get_fd() should to be used to
- * wake up when new devices arrive, or alternatively the file descriptor
- * switched into blocking mode.
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev device.
- *
- * Returns: a new udev device, or #NULL, in case of an error
- **/
-_public_ struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor)
-{
-        struct udev_device *udev_device;
-        struct msghdr smsg;
-        struct iovec iov;
-        char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
-        struct cmsghdr *cmsg;
-        union sockaddr_union snl;
-        struct ucred *cred;
-        union {
-                struct udev_monitor_netlink_header nlh;
-                char raw[8192];
-        } buf;
-        ssize_t buflen;
-        ssize_t bufpos;
-        bool is_initialized = false;
-
-retry:
-        if (udev_monitor == NULL)
-                return NULL;
-        iov.iov_base = &buf;
-        iov.iov_len = sizeof(buf);
-        memzero(&smsg, sizeof(struct msghdr));
-        smsg.msg_iov = &iov;
-        smsg.msg_iovlen = 1;
-        smsg.msg_control = cred_msg;
-        smsg.msg_controllen = sizeof(cred_msg);
-        smsg.msg_name = &snl;
-        smsg.msg_namelen = sizeof(snl);
-
-        buflen = recvmsg(udev_monitor->sock, &smsg, 0);
-        if (buflen < 0) {
-                if (errno != EINTR)
-                        log_debug("unable to receive message");
-                return NULL;
-        }
-
-        if (buflen < 32 || (smsg.msg_flags & MSG_TRUNC)) {
-                log_debug("invalid message length");
-                return NULL;
-        }
-
-        if (snl.nl.nl_groups == 0) {
-                /* unicast message, check if we trust the sender */
-                if (udev_monitor->snl_trusted_sender.nl.nl_pid == 0 ||
-                    snl.nl.nl_pid != udev_monitor->snl_trusted_sender.nl.nl_pid) {
-                        log_debug("unicast netlink message ignored");
-                        return NULL;
-                }
-        } else if (snl.nl.nl_groups == UDEV_MONITOR_KERNEL) {
-                if (snl.nl.nl_pid > 0) {
-                        log_debug("multicast kernel netlink message from PID %"PRIu32" ignored",
-                                  snl.nl.nl_pid);
-                        return NULL;
-                }
-        }
-
-        cmsg = CMSG_FIRSTHDR(&smsg);
-        if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) {
-                log_debug("no sender credentials received, message ignored");
-                return NULL;
-        }
-
-        cred = (struct ucred *)CMSG_DATA(cmsg);
-        if (cred->uid != 0) {
-                log_debug("sender uid="UID_FMT", message ignored", cred->uid);
-                return NULL;
-        }
-
-        if (memcmp(buf.raw, "libudev", 8) == 0) {
-                /* udev message needs proper version magic */
-                if (buf.nlh.magic != htonl(UDEV_MONITOR_MAGIC)) {
-                        log_debug("unrecognized message signature (%x != %x)",
-                                 buf.nlh.magic, htonl(UDEV_MONITOR_MAGIC));
-                        return NULL;
-                }
-                if (buf.nlh.properties_off+32 > (size_t)buflen) {
-                        log_debug("message smaller than expected (%u > %zd)",
-                                  buf.nlh.properties_off+32, buflen);
-                        return NULL;
-                }
-
-                bufpos = buf.nlh.properties_off;
-
-                /* devices received from udev are always initialized */
-                is_initialized = true;
-        } else {
-                /* kernel message with header */
-                bufpos = strlen(buf.raw) + 1;
-                if ((size_t)bufpos < sizeof("a@/d") || bufpos >= buflen) {
-                        log_debug("invalid message length");
-                        return NULL;
-                }
-
-                /* check message header */
-                if (strstr(buf.raw, "@/") == NULL) {
-                        log_debug("unrecognized message header");
-                        return NULL;
-                }
-        }
-
-        udev_device = udev_device_new_from_nulstr(udev_monitor->udev, &buf.raw[bufpos], buflen - bufpos);
-        if (!udev_device) {
-                log_debug("could not create device: %m");
-                return NULL;
-        }
-
-        if (is_initialized)
-                udev_device_set_is_initialized(udev_device);
-
-        /* skip device, if it does not pass the current filter */
-        if (!passes_filter(udev_monitor, udev_device)) {
-                struct pollfd pfd[1];
-                int rc;
-
-                udev_device_unref(udev_device);
-
-                /* if something is queued, get next device */
-                pfd[0].fd = udev_monitor->sock;
-                pfd[0].events = POLLIN;
-                rc = poll(pfd, 1, 0);
-                if (rc > 0)
-                        goto retry;
-                return NULL;
-        }
-
-        return udev_device;
-}
-
-int udev_monitor_send_device(struct udev_monitor *udev_monitor,
-                             struct udev_monitor *destination, struct udev_device *udev_device)
-{
-        const char *buf, *val;
-        ssize_t blen, count;
-        struct udev_monitor_netlink_header nlh = {
-                .prefix = "libudev",
-                .magic = htonl(UDEV_MONITOR_MAGIC),
-                .header_size = sizeof nlh,
-        };
-        struct iovec iov[2] = {
-                { .iov_base = &nlh, .iov_len = sizeof nlh },
-        };
-        struct msghdr smsg = {
-                .msg_iov = iov,
-                .msg_iovlen = 2,
-        };
-        struct udev_list_entry *list_entry;
-        uint64_t tag_bloom_bits;
-
-        blen = udev_device_get_properties_monitor_buf(udev_device, &buf);
-        if (blen < 32) {
-                log_debug("device buffer is too small to contain a valid device");
-                return -EINVAL;
-        }
-
-        /* fill in versioned header */
-        val = udev_device_get_subsystem(udev_device);
-        nlh.filter_subsystem_hash = htonl(util_string_hash32(val));
-
-        val = udev_device_get_devtype(udev_device);
-        if (val != NULL)
-                nlh.filter_devtype_hash = htonl(util_string_hash32(val));
-
-        /* add tag bloom filter */
-        tag_bloom_bits = 0;
-        udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
-                tag_bloom_bits |= util_string_bloom64(udev_list_entry_get_name(list_entry));
-        if (tag_bloom_bits > 0) {
-                nlh.filter_tag_bloom_hi = htonl(tag_bloom_bits >> 32);
-                nlh.filter_tag_bloom_lo = htonl(tag_bloom_bits & 0xffffffff);
-        }
-
-        /* add properties list */
-        nlh.properties_off = iov[0].iov_len;
-        nlh.properties_len = blen;
-        iov[1].iov_base = (char *)buf;
-        iov[1].iov_len = blen;
-
-        /*
-         * Use custom address for target, or the default one.
-         *
-         * If we send to a multicast group, we will get
-         * ECONNREFUSED, which is expected.
-         */
-        if (destination)
-                smsg.msg_name = &destination->snl;
-        else
-                smsg.msg_name = &udev_monitor->snl_destination;
-        smsg.msg_namelen = sizeof(struct sockaddr_nl);
-        count = sendmsg(udev_monitor->sock, &smsg, 0);
-        if (count < 0) {
-                if (!destination && errno == ECONNREFUSED) {
-                        log_debug("passed unknown number of bytes to netlink monitor %p", udev_monitor);
-                        return 0;
-                } else
-                        return -errno;
-        }
-
-        log_debug("passed %zi bytes to netlink monitor %p", count, udev_monitor);
-        return count;
-}
-
-/**
- * udev_monitor_filter_add_match_subsystem_devtype:
- * @udev_monitor: the monitor
- * @subsystem: the subsystem value to match the incoming devices against
- * @devtype: the devtype value to match the incoming devices against
- *
- * This filter is efficiently executed inside the kernel, and libudev subscribers
- * will usually not be woken up for devices which do not match.
- *
- * The filter must be installed before the monitor is switched to listening mode.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype)
-{
-        if (udev_monitor == NULL)
-                return -EINVAL;
-        if (subsystem == NULL)
-                return -EINVAL;
-        if (udev_list_entry_add(&udev_monitor->filter_subsystem_list, subsystem, devtype) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_monitor_filter_add_match_tag:
- * @udev_monitor: the monitor
- * @tag: the name of a tag
- *
- * This filter is efficiently executed inside the kernel, and libudev subscribers
- * will usually not be woken up for devices which do not match.
- *
- * The filter must be installed before the monitor is switched to listening mode.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag)
-{
-        if (udev_monitor == NULL)
-                return -EINVAL;
-        if (tag == NULL)
-                return -EINVAL;
-        if (udev_list_entry_add(&udev_monitor->filter_tag_list, tag, NULL) == NULL)
-                return -ENOMEM;
-        return 0;
-}
-
-/**
- * udev_monitor_filter_remove:
- * @udev_monitor: monitor
- *
- * Remove all filters from monitor.
- *
- * Returns: 0 on success, otherwise a negative error value.
- */
-_public_ int udev_monitor_filter_remove(struct udev_monitor *udev_monitor)
-{
-        static struct sock_fprog filter = { 0, NULL };
-
-        udev_list_cleanup(&udev_monitor->filter_subsystem_list);
-        return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter));
-}
diff --git a/src/libudev/libudev-private.h b/src/libudev/libudev-private.h
deleted file mode 100644
index 32c5e19a12..0000000000
--- a/src/libudev/libudev-private.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#ifndef _LIBUDEV_PRIVATE_H_
-#define _LIBUDEV_PRIVATE_H_
-
-#include <signal.h>
-#include <stdint.h>
-#include <stdbool.h>
-
-#include "libudev.h"
-#include "macro.h"
-#include "util.h"
-#include "mkdir.h"
-#include "strxcpyx.h"
-
-#define READ_END  0
-#define WRITE_END 1
-
-/* libudev.c */
-int udev_get_rules_path(struct udev *udev, char **path[], usec_t *ts_usec[]);
-
-/* libudev-device.c */
-struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen);
-struct udev_device *udev_device_new_from_synthetic_event(struct udev *udev, const char *syspath, const char *action);
-struct udev_device *udev_device_shallow_clone(struct udev_device *old_device);
-struct udev_device *udev_device_clone_with_db(struct udev_device *old_device);
-int udev_device_copy_properties(struct udev_device *dst, struct udev_device *src);
-mode_t udev_device_get_devnode_mode(struct udev_device *udev_device);
-uid_t udev_device_get_devnode_uid(struct udev_device *udev_device);
-gid_t udev_device_get_devnode_gid(struct udev_device *udev_device);
-int udev_device_rename(struct udev_device *udev_device, const char *new_name);
-int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink);
-void udev_device_cleanup_devlinks_list(struct udev_device *udev_device);
-int udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value);
-char **udev_device_get_properties_envp(struct udev_device *udev_device);
-ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf);
-const char *udev_device_get_devpath_old(struct udev_device *udev_device);
-const char *udev_device_get_id_filename(struct udev_device *udev_device);
-void udev_device_set_is_initialized(struct udev_device *udev_device);
-int udev_device_add_tag(struct udev_device *udev_device, const char *tag);
-void udev_device_remove_tag(struct udev_device *udev_device, const char *tag);
-void udev_device_cleanup_tags_list(struct udev_device *udev_device);
-usec_t udev_device_get_usec_initialized(struct udev_device *udev_device);
-void udev_device_ensure_usec_initialized(struct udev_device *udev_device, struct udev_device *old_device);
-int udev_device_get_devlink_priority(struct udev_device *udev_device);
-int udev_device_set_devlink_priority(struct udev_device *udev_device, int prio);
-int udev_device_get_watch_handle(struct udev_device *udev_device);
-int udev_device_set_watch_handle(struct udev_device *udev_device, int handle);
-int udev_device_get_ifindex(struct udev_device *udev_device);
-void udev_device_set_info_loaded(struct udev_device *device);
-bool udev_device_get_db_persist(struct udev_device *udev_device);
-void udev_device_set_db_persist(struct udev_device *udev_device);
-
-/* libudev-device-private.c */
-int udev_device_update_db(struct udev_device *udev_device);
-int udev_device_delete_db(struct udev_device *udev_device);
-int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, bool add);
-
-/* libudev-monitor.c - netlink/unix socket communication  */
-int udev_monitor_disconnect(struct udev_monitor *udev_monitor);
-int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender);
-int udev_monitor_send_device(struct udev_monitor *udev_monitor,
-                             struct udev_monitor *destination, struct udev_device *udev_device);
-struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd);
-
-/* libudev-list.c */
-struct udev_list_node {
-        struct udev_list_node *next, *prev;
-};
-struct udev_list {
-        struct udev *udev;
-        struct udev_list_node node;
-        struct udev_list_entry **entries;
-        unsigned int entries_cur;
-        unsigned int entries_max;
-        bool unique;
-};
-#define UDEV_LIST(list) struct udev_list_node list = { &(list), &(list) }
-void udev_list_node_init(struct udev_list_node *list);
-int udev_list_node_is_empty(struct udev_list_node *list);
-void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list);
-void udev_list_node_remove(struct udev_list_node *entry);
-#define udev_list_node_foreach(node, list) \
-        for (node = (list)->next; \
-             node != list; \
-             node = (node)->next)
-#define udev_list_node_foreach_safe(node, tmp, list) \
-        for (node = (list)->next, tmp = (node)->next; \
-             node != list; \
-             node = tmp, tmp = (tmp)->next)
-void udev_list_init(struct udev *udev, struct udev_list *list, bool unique);
-void udev_list_cleanup(struct udev_list *list);
-struct udev_list_entry *udev_list_get_entry(struct udev_list *list);
-struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *name, const char *value);
-void udev_list_entry_delete(struct udev_list_entry *entry);
-int udev_list_entry_get_num(struct udev_list_entry *list_entry);
-void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num);
-#define udev_list_entry_foreach_safe(entry, tmp, first) \
-        for (entry = first, tmp = udev_list_entry_get_next(entry); \
-             entry != NULL; \
-             entry = tmp, tmp = udev_list_entry_get_next(tmp))
-
-/* libudev-queue.c */
-unsigned long long int udev_get_kernel_seqnum(struct udev *udev);
-int udev_queue_read_seqnum(FILE *queue_file, unsigned long long int *seqnum);
-ssize_t udev_queue_read_devpath(FILE *queue_file, char *devpath, size_t size);
-ssize_t udev_queue_skip_devpath(FILE *queue_file);
-
-/* libudev-queue-private.c */
-struct udev_queue_export *udev_queue_export_new(struct udev *udev);
-struct udev_queue_export *udev_queue_export_unref(struct udev_queue_export *udev_queue_export);
-void udev_queue_export_cleanup(struct udev_queue_export *udev_queue_export);
-int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device);
-int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device);
-
-/* libudev-util.c */
-#define UTIL_PATH_SIZE                      1024
-#define UTIL_NAME_SIZE                       512
-#define UTIL_LINE_SIZE                     16384
-#define UDEV_ALLOWED_CHARS_INPUT        "/ $%?,"
-ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size);
-int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size);
-int util_log_priority(const char *priority);
-size_t util_path_encode(const char *src, char *dest, size_t size);
-void util_remove_trailing_chars(char *path, char c);
-int util_replace_whitespace(const char *str, char *to, size_t len);
-int util_replace_chars(char *str, const char *white);
-unsigned int util_string_hash32(const char *key);
-uint64_t util_string_bloom64(const char *str);
-
-/* libudev-util-private.c */
-int util_resolve_subsys_kernel(struct udev *udev, const char *string, char *result, size_t maxsize, int read_value);
-
-#endif
diff --git a/src/libudev/libudev-queue.c b/src/libudev/libudev-queue.c
deleted file mode 100644
index 11e15d13e6..0000000000
--- a/src/libudev/libudev-queue.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-  Copyright 2009 Alan Jenkins <alan-jenkins@tuffmail.co.uk>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/inotify.h>
-
-#include "libudev-private.h"
-
-/**
- * SECTION:libudev-queue
- * @short_description: access to currently active events
- *
- * This exports the current state of the udev processing queue.
- */
-
-/**
- * udev_queue:
- *
- * Opaque object representing the current event queue in the udev daemon.
- */
-struct udev_queue {
-        struct udev *udev;
-        int refcount;
-        int fd;
-};
-
-/**
- * udev_queue_new:
- * @udev: udev library context
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev queue context.
- *
- * Returns: the udev queue context, or #NULL on error.
- **/
-_public_ struct udev_queue *udev_queue_new(struct udev *udev)
-{
-        struct udev_queue *udev_queue;
-
-        if (udev == NULL)
-                return NULL;
-
-        udev_queue = new0(struct udev_queue, 1);
-        if (udev_queue == NULL)
-                return NULL;
-
-        udev_queue->refcount = 1;
-        udev_queue->udev = udev;
-        udev_queue->fd = -1;
-        return udev_queue;
-}
-
-/**
- * udev_queue_ref:
- * @udev_queue: udev queue context
- *
- * Take a reference of a udev queue context.
- *
- * Returns: the same udev queue context.
- **/
-_public_ struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue)
-{
-        if (udev_queue == NULL)
-                return NULL;
-
-        udev_queue->refcount++;
-        return udev_queue;
-}
-
-/**
- * udev_queue_unref:
- * @udev_queue: udev queue context
- *
- * Drop a reference of a udev queue context. If the refcount reaches zero,
- * the resources of the queue context will be released.
- *
- * Returns: #NULL
- **/
-_public_ struct udev_queue *udev_queue_unref(struct udev_queue *udev_queue)
-{
-        if (udev_queue == NULL)
-                return NULL;
-
-        udev_queue->refcount--;
-        if (udev_queue->refcount > 0)
-                return NULL;
-
-        safe_close(udev_queue->fd);
-
-        free(udev_queue);
-        return NULL;
-}
-
-/**
- * udev_queue_get_udev:
- * @udev_queue: udev queue context
- *
- * Retrieve the udev library context the queue context was created with.
- *
- * Returns: the udev library context.
- **/
-_public_ struct udev *udev_queue_get_udev(struct udev_queue *udev_queue)
-{
-        if (udev_queue == NULL)
-                return NULL;
-        return udev_queue->udev;
-}
-
-/**
- * udev_queue_get_kernel_seqnum:
- * @udev_queue: udev queue context
- *
- * This function is deprecated.
- *
- * Returns: 0.
- **/
-_public_ unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue)
-{
-        return 0;
-}
-
-/**
- * udev_queue_get_udev_seqnum:
- * @udev_queue: udev queue context
- *
- * This function is deprecated.
- *
- * Returns: 0.
- **/
-_public_ unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue)
-{
-        return 0;
-}
-
-/**
- * udev_queue_get_udev_is_active:
- * @udev_queue: udev queue context
- *
- * Check if udev is active on the system.
- *
- * Returns: a flag indicating if udev is active.
- **/
-_public_ int udev_queue_get_udev_is_active(struct udev_queue *udev_queue)
-{
-        return access("/run/udev/control", F_OK) >= 0;
-}
-
-/**
- * udev_queue_get_queue_is_empty:
- * @udev_queue: udev queue context
- *
- * Check if udev is currently processing any events.
- *
- * Returns: a flag indicating if udev is currently handling events.
- **/
-_public_ int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue)
-{
-        return access("/run/udev/queue", F_OK) < 0;
-}
-
-/**
- * udev_queue_get_seqnum_sequence_is_finished:
- * @udev_queue: udev queue context
- * @start: first event sequence number
- * @end: last event sequence number
- *
- * This function is deprecated, it just returns the result of
- * udev_queue_get_queue_is_empty().
- *
- * Returns: a flag indicating if udev is currently handling events.
- **/
-_public_ int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue,
-                                               unsigned long long int start, unsigned long long int end)
-{
-        return udev_queue_get_queue_is_empty(udev_queue);
-}
-
-/**
- * udev_queue_get_seqnum_is_finished:
- * @udev_queue: udev queue context
- * @seqnum: sequence number
- *
- * This function is deprecated, it just returns the result of
- * udev_queue_get_queue_is_empty().
- *
- * Returns: a flag indicating if udev is currently handling events.
- **/
-_public_ int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum)
-{
-        return udev_queue_get_queue_is_empty(udev_queue);
-}
-
-/**
- * udev_queue_get_queued_list_entry:
- * @udev_queue: udev queue context
- *
- * This function is deprecated.
- *
- * Returns: NULL.
- **/
-_public_ struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue)
-{
-        return NULL;
-}
-
-/**
- * udev_queue_get_fd:
- * @udev_queue: udev queue context
- *
- * Returns: a file descriptor to watch for a queue to become empty.
- */
-_public_ int udev_queue_get_fd(struct udev_queue *udev_queue) {
-        int fd;
-        int r;
-
-        if (udev_queue->fd >= 0)
-                return udev_queue->fd;
-
-        fd = inotify_init1(IN_CLOEXEC);
-        if (fd < 0)
-                return -errno;
-
-        r = inotify_add_watch(fd, "/run/udev" , IN_DELETE);
-        if (r < 0) {
-                r = -errno;
-                close(fd);
-                return r;
-        }
-
-        udev_queue->fd = fd;
-        return fd;
-}
-
-/**
- * udev_queue_flush:
- * @udev_queue: udev queue context
- *
- * Returns: the result of clearing the watch for queue changes.
- */
-_public_ int udev_queue_flush(struct udev_queue *udev_queue) {
-        if (udev_queue->fd < 0)
-                return -EINVAL;
-
-        return flush_fd(udev_queue->fd);
-}
diff --git a/src/libudev/libudev-util.c b/src/libudev/libudev-util.c
deleted file mode 100644
index 0f8f634ca3..0000000000
--- a/src/libudev/libudev-util.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "device-nodes.h"
-#include "libudev.h"
-#include "libudev-private.h"
-#include "utf8.h"
-#include "MurmurHash2.h"
-
-/**
- * SECTION:libudev-util
- * @short_description: utils
- *
- * Utilities useful when dealing with devices and device node names.
- */
-
-/* handle "[<SUBSYSTEM>/<KERNEL>]<attribute>" format */
-int util_resolve_subsys_kernel(struct udev *udev, const char *string,
-                               char *result, size_t maxsize, int read_value)
-{
-        char temp[UTIL_PATH_SIZE];
-        char *subsys;
-        char *sysname;
-        struct udev_device *dev;
-        char *attr;
-
-        if (string[0] != '[')
-                return -1;
-
-        strscpy(temp, sizeof(temp), string);
-
-        subsys = &temp[1];
-
-        sysname = strchr(subsys, '/');
-        if (sysname == NULL)
-                return -1;
-        sysname[0] = '\0';
-        sysname = &sysname[1];
-
-        attr = strchr(sysname, ']');
-        if (attr == NULL)
-                return -1;
-        attr[0] = '\0';
-        attr = &attr[1];
-        if (attr[0] == '/')
-                attr = &attr[1];
-        if (attr[0] == '\0')
-                attr = NULL;
-
-        if (read_value && attr == NULL)
-                return -1;
-
-        dev = udev_device_new_from_subsystem_sysname(udev, subsys, sysname);
-        if (dev == NULL)
-                return -1;
-
-        if (read_value) {
-                const char *val;
-
-                val = udev_device_get_sysattr_value(dev, attr);
-                if (val != NULL)
-                        strscpy(result, maxsize, val);
-                else
-                        result[0] = '\0';
-                log_debug("value '[%s/%s]%s' is '%s'", subsys, sysname, attr, result);
-        } else {
-                size_t l;
-                char *s;
-
-                s = result;
-                l = strpcpyl(&s, maxsize, udev_device_get_syspath(dev), NULL);
-                if (attr != NULL)
-                        strpcpyl(&s, l, "/", attr, NULL);
-                log_debug("path '[%s/%s]%s' is '%s'", subsys, sysname, attr, result);
-        }
-        udev_device_unref(dev);
-        return 0;
-}
-
-ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size)
-{
-        char path[UTIL_PATH_SIZE];
-        char target[UTIL_PATH_SIZE];
-        ssize_t len;
-        const char *pos;
-
-        strscpyl(path, sizeof(path), syspath, "/", slink, NULL);
-        len = readlink(path, target, sizeof(target));
-        if (len <= 0 || len == (ssize_t)sizeof(target))
-                return -1;
-        target[len] = '\0';
-        pos = strrchr(target, '/');
-        if (pos == NULL)
-                return -1;
-        pos = &pos[1];
-        return strscpy(value, size, pos);
-}
-
-int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size)
-{
-        char link_target[UTIL_PATH_SIZE];
-
-        ssize_t len;
-        int i;
-        int back;
-        char *base = NULL;
-
-        len = readlink(syspath, link_target, sizeof(link_target));
-        if (len <= 0 || len == (ssize_t)sizeof(link_target))
-                return -1;
-        link_target[len] = '\0';
-
-        for (back = 0; startswith(&link_target[back * 3], "../"); back++)
-                ;
-        for (i = 0; i <= back; i++) {
-                base = strrchr(syspath, '/');
-                if (base == NULL)
-                        return -EINVAL;
-                base[0] = '\0';
-        }
-
-        strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL);
-        return 0;
-}
-
-int util_log_priority(const char *priority)
-{
-        char *endptr;
-        int prio;
-
-        prio = strtoul(priority, &endptr, 10);
-        if (endptr[0] == '\0' || isspace(endptr[0])) {
-                if (prio >= 0 && prio <= 7)
-                        return prio;
-                else
-                        return -ERANGE;
-        }
-
-        return log_level_from_string(priority);
-}
-
-size_t util_path_encode(const char *src, char *dest, size_t size)
-{
-        size_t i, j;
-
-        for (i = 0, j = 0; src[i] != '\0'; i++) {
-                if (src[i] == '/') {
-                        if (j+4 >= size) {
-                                j = 0;
-                                break;
-                        }
-                        memcpy(&dest[j], "\\x2f", 4);
-                        j += 4;
-                } else if (src[i] == '\\') {
-                        if (j+4 >= size) {
-                                j = 0;
-                                break;
-                        }
-                        memcpy(&dest[j], "\\x5c", 4);
-                        j += 4;
-                } else {
-                        if (j+1 >= size) {
-                                j = 0;
-                                break;
-                        }
-                        dest[j] = src[i];
-                        j++;
-                }
-        }
-        dest[j] = '\0';
-        return j;
-}
-
-void util_remove_trailing_chars(char *path, char c)
-{
-        size_t len;
-
-        if (path == NULL)
-                return;
-        len = strlen(path);
-        while (len > 0 && path[len-1] == c)
-                path[--len] = '\0';
-}
-
-int util_replace_whitespace(const char *str, char *to, size_t len)
-{
-        size_t i, j;
-
-        /* strip trailing whitespace */
-        len = strnlen(str, len);
-        while (len && isspace(str[len-1]))
-                len--;
-
-        /* strip leading whitespace */
-        i = 0;
-        while (isspace(str[i]) && (i < len))
-                i++;
-
-        j = 0;
-        while (i < len) {
-                /* substitute multiple whitespace with a single '_' */
-                if (isspace(str[i])) {
-                        while (isspace(str[i]))
-                                i++;
-                        to[j++] = '_';
-                }
-                to[j++] = str[i++];
-        }
-        to[j] = '\0';
-        return 0;
-}
-
-/* allow chars in whitelist, plain ascii, hex-escaping and valid utf8 */
-int util_replace_chars(char *str, const char *white)
-{
-        size_t i = 0;
-        int replaced = 0;
-
-        while (str[i] != '\0') {
-                int len;
-
-                if (whitelisted_char_for_devnode(str[i], white)) {
-                        i++;
-                        continue;
-                }
-
-                /* accept hex encoding */
-                if (str[i] == '\\' && str[i+1] == 'x') {
-                        i += 2;
-                        continue;
-                }
-
-                /* accept valid utf8 */
-                len = utf8_encoded_valid_unichar(&str[i]);
-                if (len > 1) {
-                        i += len;
-                        continue;
-                }
-
-                /* if space is allowed, replace whitespace with ordinary space */
-                if (isspace(str[i]) && white != NULL && strchr(white, ' ') != NULL) {
-                        str[i] = ' ';
-                        i++;
-                        replaced++;
-                        continue;
-                }
-
-                /* everything else is replaced with '_' */
-                str[i] = '_';
-                i++;
-                replaced++;
-        }
-        return replaced;
-}
-
-/**
- * udev_util_encode_string:
- * @str: input string to be encoded
- * @str_enc: output string to store the encoded input string
- * @len: maximum size of the output string, which may be
- *       four times as long as the input string
- *
- * Encode all potentially unsafe characters of a string to the
- * corresponding 2 char hex value prefixed by '\x'.
- *
- * Returns: 0 if the entire string was copied, non-zero otherwise.
- **/
-_public_ int udev_util_encode_string(const char *str, char *str_enc, size_t len)
-{
-        return encode_devnode_name(str, str_enc, len);
-}
-
-unsigned int util_string_hash32(const char *str)
-{
-        return MurmurHash2(str, strlen(str), 0);
-}
-
-/* get a bunch of bit numbers out of the hash, and set the bits in our bit field */
-uint64_t util_string_bloom64(const char *str)
-{
-        uint64_t bits = 0;
-        unsigned int hash = util_string_hash32(str);
-
-        bits |= 1LLU << (hash & 63);
-        bits |= 1LLU << ((hash >> 6) & 63);
-        bits |= 1LLU << ((hash >> 12) & 63);
-        bits |= 1LLU << ((hash >> 18) & 63);
-        return bits;
-}
diff --git a/src/libudev/libudev.c b/src/libudev/libudev.c
deleted file mode 100644
index ec15d2576b..0000000000
--- a/src/libudev/libudev.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2014 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-#include "missing.h"
-
-/**
- * SECTION:libudev
- * @short_description: libudev context
- *
- * The context contains the default values read from the udev config file,
- * and is passed to all library operations.
- */
-
-/**
- * udev:
- *
- * Opaque object representing the library context.
- */
-struct udev {
-        int refcount;
-        void (*log_fn)(struct udev *udev,
-                       int priority, const char *file, int line, const char *fn,
-                       const char *format, va_list args);
-        void *userdata;
-};
-
-/**
- * udev_get_userdata:
- * @udev: udev library context
- *
- * Retrieve stored data pointer from library context. This might be useful
- * to access from callbacks.
- *
- * Returns: stored userdata
- **/
-_public_ void *udev_get_userdata(struct udev *udev) {
-        if (udev == NULL)
-                return NULL;
-        return udev->userdata;
-}
-
-/**
- * udev_set_userdata:
- * @udev: udev library context
- * @userdata: data pointer
- *
- * Store custom @userdata in the library context.
- **/
-_public_ void udev_set_userdata(struct udev *udev, void *userdata) {
-        if (udev == NULL)
-                return;
-        udev->userdata = userdata;
-}
-
-/**
- * udev_new:
- *
- * Create udev library context. This reads the udev configuration
- * file, and fills in the default values.
- *
- * The initial refcount is 1, and needs to be decremented to
- * release the resources of the udev library context.
- *
- * Returns: a new udev library context
- **/
-_public_ struct udev *udev_new(void) {
-        struct udev *udev;
-        _cleanup_fclose_ FILE *f = NULL;
-
-        udev = new0(struct udev, 1);
-        if (udev == NULL)
-                return NULL;
-        udev->refcount = 1;
-
-        f = fopen("/etc/udev/udev.conf", "re");
-        if (f != NULL) {
-                char line[UTIL_LINE_SIZE];
-                unsigned line_nr = 0;
-
-                while (fgets(line, sizeof(line), f)) {
-                        size_t len;
-                        char *key;
-                        char *val;
-
-                        line_nr++;
-
-                        /* find key */
-                        key = line;
-                        while (isspace(key[0]))
-                                key++;
-
-                        /* comment or empty line */
-                        if (key[0] == '#' || key[0] == '\0')
-                                continue;
-
-                        /* split key/value */
-                        val = strchr(key, '=');
-                        if (val == NULL) {
-                                log_debug("/etc/udev/udev.conf:%u: missing assignment,  skipping line.", line_nr);
-                                continue;
-                        }
-                        val[0] = '\0';
-                        val++;
-
-                        /* find value */
-                        while (isspace(val[0]))
-                                val++;
-
-                        /* terminate key */
-                        len = strlen(key);
-                        if (len == 0)
-                                continue;
-                        while (isspace(key[len-1]))
-                                len--;
-                        key[len] = '\0';
-
-                        /* terminate value */
-                        len = strlen(val);
-                        if (len == 0)
-                                continue;
-                        while (isspace(val[len-1]))
-                                len--;
-                        val[len] = '\0';
-
-                        if (len == 0)
-                                continue;
-
-                        /* unquote */
-                        if (val[0] == '"' || val[0] == '\'') {
-                                if (val[len-1] != val[0]) {
-                                        log_debug("/etc/udev/udev.conf:%u: inconsistent quoting, skipping line.", line_nr);
-                                        continue;
-                                }
-                                val[len-1] = '\0';
-                                val++;
-                        }
-
-                        if (streq(key, "udev_log")) {
-                                int prio;
-
-                                prio = util_log_priority(val);
-                                if (prio < 0)
-                                        log_debug("/etc/udev/udev.conf:%u: invalid log level '%s', ignoring.", line_nr, val);
-                                else
-                                        log_set_max_level(prio);
-                                continue;
-                        }
-                }
-        }
-
-        return udev;
-}
-
-/**
- * udev_ref:
- * @udev: udev library context
- *
- * Take a reference of the udev library context.
- *
- * Returns: the passed udev library context
- **/
-_public_ struct udev *udev_ref(struct udev *udev) {
-        if (udev == NULL)
-                return NULL;
-        udev->refcount++;
-        return udev;
-}
-
-/**
- * udev_unref:
- * @udev: udev library context
- *
- * Drop a reference of the udev library context. If the refcount
- * reaches zero, the resources of the context will be released.
- *
- * Returns: the passed udev library context if it has still an active reference, or #NULL otherwise.
- **/
-_public_ struct udev *udev_unref(struct udev *udev) {
-        if (udev == NULL)
-                return NULL;
-        udev->refcount--;
-        if (udev->refcount > 0)
-                return udev;
-        free(udev);
-        return NULL;
-}
-
-/**
- * udev_set_log_fn:
- * @udev: udev library context
- * @log_fn: function to be called for log messages
- *
- * This function is deprecated.
- *
- **/
-_public_ void udev_set_log_fn(struct udev *udev,
-                     void (*log_fn)(struct udev *udev,
-                                    int priority, const char *file, int line, const char *fn,
-                                    const char *format, va_list args)) {
-        return;
-}
-
-/**
- * udev_get_log_priority:
- * @udev: udev library context
- *
- * This function is deprecated.
- *
- **/
-_public_ int udev_get_log_priority(struct udev *udev) {
-        return log_get_max_level();
-}
-
-/**
- * udev_set_log_priority:
- * @udev: udev library context
- * @priority: the new log priority
- *
- * This function is deprecated.
- *
- **/
-_public_ void udev_set_log_priority(struct udev *udev, int priority) {
-        log_set_max_level(priority);
-}
diff --git a/src/libudev/libudev.h b/src/libudev/libudev.h
deleted file mode 100644
index eb58740d26..0000000000
--- a/src/libudev/libudev.h
+++ /dev/null
@@ -1,206 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#ifndef _LIBUDEV_H_
-#define _LIBUDEV_H_
-
-#include <stdarg.h>
-#include <sys/types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * udev - library context
- *
- * reads the udev config and system environment
- * allows custom logging
- */
-struct udev;
-struct udev *udev_ref(struct udev *udev);
-struct udev *udev_unref(struct udev *udev);
-struct udev *udev_new(void);
-void udev_set_log_fn(struct udev *udev,
-                            void (*log_fn)(struct udev *udev,
-                                           int priority, const char *file, int line, const char *fn,
-                                           const char *format, va_list args)) __attribute__ ((deprecated));
-int udev_get_log_priority(struct udev *udev) __attribute__ ((deprecated));
-void udev_set_log_priority(struct udev *udev, int priority) __attribute__ ((deprecated));
-void *udev_get_userdata(struct udev *udev);
-void udev_set_userdata(struct udev *udev, void *userdata);
-
-/*
- * udev_list
- *
- * access to libudev generated lists
- */
-struct udev_list_entry;
-struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
-struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name);
-const char *udev_list_entry_get_name(struct udev_list_entry *list_entry);
-const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
-/**
- * udev_list_entry_foreach:
- * @list_entry: entry to store the current position
- * @first_entry: first entry to start with
- *
- * Helper to iterate over all entries of a list.
- */
-#define udev_list_entry_foreach(list_entry, first_entry) \
-        for (list_entry = first_entry; \
-             list_entry != NULL; \
-             list_entry = udev_list_entry_get_next(list_entry))
-
-/*
- * udev_device
- *
- * access to sysfs/kernel devices
- */
-struct udev_device;
-struct udev_device *udev_device_ref(struct udev_device *udev_device);
-struct udev_device *udev_device_unref(struct udev_device *udev_device);
-struct udev *udev_device_get_udev(struct udev_device *udev_device);
-struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
-struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
-struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
-struct udev_device *udev_device_new_from_device_id(struct udev *udev, const char *id);
-struct udev_device *udev_device_new_from_environment(struct udev *udev);
-/* udev_device_get_parent_*() does not take a reference on the returned device, it is automatically unref'd with the parent */
-struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
-struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device,
-                                                                  const char *subsystem, const char *devtype);
-/* retrieve device properties */
-const char *udev_device_get_devpath(struct udev_device *udev_device);
-const char *udev_device_get_subsystem(struct udev_device *udev_device);
-const char *udev_device_get_devtype(struct udev_device *udev_device);
-const char *udev_device_get_syspath(struct udev_device *udev_device);
-const char *udev_device_get_sysname(struct udev_device *udev_device);
-const char *udev_device_get_sysnum(struct udev_device *udev_device);
-const char *udev_device_get_devnode(struct udev_device *udev_device);
-int udev_device_get_is_initialized(struct udev_device *udev_device);
-struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device);
-struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device);
-struct udev_list_entry *udev_device_get_tags_list_entry(struct udev_device *udev_device);
-struct udev_list_entry *udev_device_get_sysattr_list_entry(struct udev_device *udev_device);
-const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key);
-const char *udev_device_get_driver(struct udev_device *udev_device);
-dev_t udev_device_get_devnum(struct udev_device *udev_device);
-const char *udev_device_get_action(struct udev_device *udev_device);
-unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
-unsigned long long int udev_device_get_usec_since_initialized(struct udev_device *udev_device);
-const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr);
-int udev_device_set_sysattr_value(struct udev_device *udev_device, const char *sysattr, char *value);
-int udev_device_has_tag(struct udev_device *udev_device, const char *tag);
-
-/*
- * udev_monitor
- *
- * access to kernel uevents and udev events
- */
-struct udev_monitor;
-struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
-struct udev_monitor *udev_monitor_unref(struct udev_monitor *udev_monitor);
-struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
-/* kernel and udev generated events over netlink */
-struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name);
-/* bind socket */
-int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
-int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size);
-int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
-struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
-/* in-kernel socket filters to select messages that get delivered to a listener */
-int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor,
-                                                    const char *subsystem, const char *devtype);
-int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag);
-int udev_monitor_filter_update(struct udev_monitor *udev_monitor);
-int udev_monitor_filter_remove(struct udev_monitor *udev_monitor);
-
-/*
- * udev_enumerate
- *
- * search sysfs for specific devices and provide a sorted list
- */
-struct udev_enumerate;
-struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
-struct udev_enumerate *udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
-struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate);
-struct udev_enumerate *udev_enumerate_new(struct udev *udev);
-/* device properties filter */
-int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
-int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
-int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
-int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
-int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
-int udev_enumerate_add_match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname);
-int udev_enumerate_add_match_tag(struct udev_enumerate *udev_enumerate, const char *tag);
-int udev_enumerate_add_match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *parent);
-int udev_enumerate_add_match_is_initialized(struct udev_enumerate *udev_enumerate);
-int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath);
-/* run enumeration with active filters */
-int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate);
-int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate);
-/* return device list */
-struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate);
-
-/*
- * udev_queue
- *
- * access to the currently running udev events
- */
-struct udev_queue;
-struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue);
-struct udev_queue *udev_queue_unref(struct udev_queue *udev_queue);
-struct udev *udev_queue_get_udev(struct udev_queue *udev_queue);
-struct udev_queue *udev_queue_new(struct udev *udev);
-unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue) __attribute__ ((deprecated));
-unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue) __attribute__ ((deprecated));
-int udev_queue_get_udev_is_active(struct udev_queue *udev_queue);
-int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue);
-int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum) __attribute__ ((deprecated));
-int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue,
-                                               unsigned long long int start, unsigned long long int end) __attribute__ ((deprecated));
-int udev_queue_get_fd(struct udev_queue *udev_queue);
-int udev_queue_flush(struct udev_queue *udev_queue);
-struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue) __attribute__ ((deprecated));
-
-/*
- *  udev_hwdb
- *
- *  access to the static hardware properties database
- */
-struct udev_hwdb;
-struct udev_hwdb *udev_hwdb_new(struct udev *udev);
-struct udev_hwdb *udev_hwdb_ref(struct udev_hwdb *hwdb);
-struct udev_hwdb *udev_hwdb_unref(struct udev_hwdb *hwdb);
-struct udev_list_entry *udev_hwdb_get_properties_list_entry(struct udev_hwdb *hwdb, const char *modalias, unsigned int flags);
-
-/*
- * udev_util
- *
- * udev specific utilities
- */
-int udev_util_encode_string(const char *str, char *str_enc, size_t len);
-
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif
diff --git a/src/libudev/libudev.pc.in b/src/libudev/libudev.pc.in
deleted file mode 100644
index a0f3f524e0..0000000000
--- a/src/libudev/libudev.pc.in
+++ /dev/null
@@ -1,17 +0,0 @@
-#  This file is part of systemd.
-#
-#  systemd is free software; you can redistribute it and/or modify it
-#  under the terms of the GNU Lesser General Public License as published by
-#  the Free Software Foundation; either version 2.1 of the License, or
-#  (at your option) any later version.
-
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: libudev
-Description: Library to access udev device information
-Version: @VERSION@
-Libs: -L${libdir} -ludev
-Cflags: -I${includedir}
diff --git a/src/libudev/libudev.sym b/src/libudev/libudev.sym
deleted file mode 100644
index 76726fca77..0000000000
--- a/src/libudev/libudev.sym
+++ /dev/null
@@ -1,120 +0,0 @@
-/***
-  This file is part of systemd.
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-***/
-
-LIBUDEV_183 {
-global:
-        udev_device_get_action;
-        udev_device_get_devlinks_list_entry;
-        udev_device_get_devnode;
-        udev_device_get_devnum;
-        udev_device_get_devpath;
-        udev_device_get_devtype;
-        udev_device_get_driver;
-        udev_device_get_is_initialized;
-        udev_device_get_parent;
-        udev_device_get_parent_with_subsystem_devtype;
-        udev_device_get_properties_list_entry;
-        udev_device_get_property_value;
-        udev_device_get_seqnum;
-        udev_device_get_subsystem;
-        udev_device_get_sysattr_list_entry;
-        udev_device_get_sysattr_value;
-        udev_device_get_sysname;
-        udev_device_get_sysnum;
-        udev_device_get_syspath;
-        udev_device_get_tags_list_entry;
-        udev_device_get_udev;
-        udev_device_get_usec_since_initialized;
-        udev_device_has_tag;
-        udev_device_new_from_devnum;
-        udev_device_new_from_environment;
-        udev_device_new_from_subsystem_sysname;
-        udev_device_new_from_syspath;
-        udev_device_ref;
-        udev_device_unref;
-        udev_enumerate_add_match_is_initialized;
-        udev_enumerate_add_match_parent;
-        udev_enumerate_add_match_property;
-        udev_enumerate_add_match_subsystem;
-        udev_enumerate_add_match_sysattr;
-        udev_enumerate_add_match_sysname;
-        udev_enumerate_add_match_tag;
-        udev_enumerate_add_nomatch_subsystem;
-        udev_enumerate_add_nomatch_sysattr;
-        udev_enumerate_add_syspath;
-        udev_enumerate_get_list_entry;
-        udev_enumerate_get_udev;
-        udev_enumerate_new;
-        udev_enumerate_ref;
-        udev_enumerate_scan_devices;
-        udev_enumerate_scan_subsystems;
-        udev_enumerate_unref;
-        udev_get_log_priority;
-        udev_get_userdata;
-        udev_list_entry_get_by_name;
-        udev_list_entry_get_name;
-        udev_list_entry_get_next;
-        udev_list_entry_get_value;
-        udev_monitor_enable_receiving;
-        udev_monitor_filter_add_match_subsystem_devtype;
-        udev_monitor_filter_add_match_tag;
-        udev_monitor_filter_remove;
-        udev_monitor_filter_update;
-        udev_monitor_get_fd;
-        udev_monitor_get_udev;
-        udev_monitor_new_from_netlink;
-        udev_monitor_receive_device;
-        udev_monitor_ref;
-        udev_monitor_set_receive_buffer_size;
-        udev_monitor_unref;
-        udev_new;
-        udev_queue_get_kernel_seqnum;
-        udev_queue_get_queue_is_empty;
-        udev_queue_get_queued_list_entry;
-        udev_queue_get_seqnum_is_finished;
-        udev_queue_get_seqnum_sequence_is_finished;
-        udev_queue_get_udev;
-        udev_queue_get_udev_is_active;
-        udev_queue_get_udev_seqnum;
-        udev_queue_new;
-        udev_queue_ref;
-        udev_queue_unref;
-        udev_ref;
-        udev_set_log_fn;
-        udev_set_log_priority;
-        udev_set_userdata;
-        udev_unref;
-        udev_util_encode_string;
-local:
-        *;
-};
-
-LIBUDEV_189 {
-global:
-        udev_device_new_from_device_id;
-} LIBUDEV_183;
-
-LIBUDEV_196 {
-global:
-        udev_hwdb_new;
-        udev_hwdb_ref;
-        udev_hwdb_unref;
-        udev_hwdb_get_properties_list_entry;
-} LIBUDEV_189;
-
-LIBUDEV_199 {
-global:
-        udev_device_set_sysattr_value;
-} LIBUDEV_196;
-
-LIBUDEV_215 {
-global:
-        udev_queue_flush;
-        udev_queue_get_fd;
-} LIBUDEV_199;