416 lines
9.9 KiB
C
416 lines
9.9 KiB
C
/***
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This file is part of systemd.
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Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
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Copyright 2015 Tom Gundersen <teg@jklm.no>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "libudev.h"
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#include "device-private.h"
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#include "libudev-device-internal.h"
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#include "libudev-private.h"
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int udev_device_tag_index(struct udev_device *udev_device, struct udev_device *udev_device_old, bool add) {
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sd_device *device_old = NULL;
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int r;
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assert(udev_device);
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if (udev_device_old)
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device_old = udev_device_old->device;
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r = device_tag_index(udev_device->device, device_old, add);
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if (r < 0)
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return r;
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return 0;
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}
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int udev_device_update_db(struct udev_device *udev_device) {
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int r;
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assert(udev_device);
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r = device_update_db(udev_device->device);
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if (r < 0)
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return r;
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return 0;
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}
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int udev_device_delete_db(struct udev_device *udev_device) {
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int r;
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assert(udev_device);
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r = device_delete_db(udev_device->device);
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if (r < 0)
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return r;
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return 0;
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}
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int udev_device_get_ifindex(struct udev_device *udev_device) {
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int r, ifindex;
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assert(udev_device);
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r = sd_device_get_ifindex(udev_device->device, &ifindex);
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if (r < 0)
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return r;
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return ifindex;
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}
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const char *udev_device_get_devpath_old(struct udev_device *udev_device) {
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const char *devpath_old = NULL;
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int r;
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assert(udev_device);
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r = sd_device_get_property_value(udev_device->device, "DEVPATH_OLD", &devpath_old);
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if (r < 0 && r != -ENOENT) {
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errno = -r;
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return NULL;
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}
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return devpath_old;
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}
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mode_t udev_device_get_devnode_mode(struct udev_device *udev_device) {
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mode_t mode;
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int r;
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assert(udev_device);
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r = device_get_devnode_mode(udev_device->device, &mode);
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if (r < 0) {
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errno = -r;
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return 0;
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}
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return mode;
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}
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uid_t udev_device_get_devnode_uid(struct udev_device *udev_device) {
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uid_t uid;
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int r;
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assert(udev_device);
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r = device_get_devnode_uid(udev_device->device, &uid);
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if (r < 0) {
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errno = -r;
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return 0;
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}
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return uid;
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}
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gid_t udev_device_get_devnode_gid(struct udev_device *udev_device) {
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gid_t gid;
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int r;
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assert(udev_device);
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r = device_get_devnode_gid(udev_device->device, &gid);
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if (r < 0) {
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errno = -r;
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return 0;
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}
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return gid;
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}
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void udev_device_ensure_usec_initialized(struct udev_device *udev_device, struct udev_device *udev_device_old) {
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sd_device *device_old = NULL;
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assert(udev_device);
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if (udev_device_old)
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device_old = udev_device_old->device;
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device_ensure_usec_initialized(udev_device->device, device_old);
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}
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char **udev_device_get_properties_envp(struct udev_device *udev_device) {
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char **envp;
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int r;
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assert(udev_device);
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r = device_get_properties_strv(udev_device->device, &envp);
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if (r < 0) {
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errno = -r;
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return NULL;
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}
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return envp;
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}
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ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf) {
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const char *nulstr;
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size_t len;
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int r;
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assert(udev_device);
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assert(buf);
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r = device_get_properties_nulstr(udev_device->device, (const uint8_t **)&nulstr, &len);
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if (r < 0)
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return r;
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*buf = nulstr;
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return len;
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}
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int udev_device_get_devlink_priority(struct udev_device *udev_device) {
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int priority, r;
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assert(udev_device);
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r = device_get_devlink_priority(udev_device->device, &priority);
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if (r < 0)
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return r;
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return priority;
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}
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int udev_device_get_watch_handle(struct udev_device *udev_device) {
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int handle, r;
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assert(udev_device);
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r = device_get_watch_handle(udev_device->device, &handle);
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if (r < 0)
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return r;
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return handle;
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}
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void udev_device_set_is_initialized(struct udev_device *udev_device) {
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assert(udev_device);
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device_set_is_initialized(udev_device->device);
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}
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int udev_device_rename(struct udev_device *udev_device, const char *name) {
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int r;
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assert(udev_device);
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r = device_rename(udev_device->device, name);
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if (r < 0)
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return r;
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return 0;
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}
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struct udev_device *udev_device_shallow_clone(struct udev_device *old_device) {
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struct udev_device *device;
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int r;
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assert(old_device);
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device = udev_device_new(old_device->udev);
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if (!device)
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return NULL;
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r = device_shallow_clone(old_device->device, &device->device);
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if (r < 0) {
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udev_device_unref(device);
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errno = -r;
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return NULL;
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}
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return device;
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}
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struct udev_device *udev_device_clone_with_db(struct udev_device *udev_device_old) {
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struct udev_device *udev_device;
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int r;
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assert(udev_device_old);
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udev_device = udev_device_new(udev_device_old->udev);
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if (!udev_device)
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return NULL;
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r = device_clone_with_db(udev_device_old->device, &udev_device->device);
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if (r < 0) {
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udev_device_unref(udev_device);
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errno = -r;
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return NULL;
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}
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return udev_device;
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}
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struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen) {
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struct udev_device *device;
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int r;
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device = udev_device_new(udev);
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if (!device)
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return NULL;
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r = device_new_from_nulstr(&device->device, (uint8_t*)nulstr, buflen);
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if (r < 0) {
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udev_device_unref(device);
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errno = -r;
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return NULL;
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}
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return device;
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}
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struct udev_device *udev_device_new_from_synthetic_event(struct udev *udev, const char *syspath, const char *action) {
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struct udev_device *device;
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int r;
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device = udev_device_new(udev);
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if (!device)
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return NULL;
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r = device_new_from_synthetic_event(&device->device, syspath, action);
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if (r < 0) {
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udev_device_unref(device);
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errno = -r;
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return NULL;
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}
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return device;
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}
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int udev_device_copy_properties(struct udev_device *udev_device_dst, struct udev_device *udev_device_src) {
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int r;
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assert(udev_device_dst);
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assert(udev_device_src);
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r = device_copy_properties(udev_device_dst->device, udev_device_src->device);
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if (r < 0)
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return r;
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return 0;
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}
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const char *udev_device_get_id_filename(struct udev_device *udev_device) {
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const char *filename;
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int r;
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assert(udev_device);
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r = device_get_id_filename(udev_device->device, &filename);
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if (r < 0) {
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errno = -r;
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return NULL;
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}
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return filename;
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}
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int udev_device_set_watch_handle(struct udev_device *udev_device, int handle) {
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assert(udev_device);
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device_set_watch_handle(udev_device->device, handle);
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return 0;
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}
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void udev_device_set_db_persist(struct udev_device *udev_device) {
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assert(udev_device);
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device_set_db_persist(udev_device->device);
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}
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int udev_device_set_devlink_priority(struct udev_device *udev_device, int priority) {
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assert(udev_device);
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device_set_devlink_priority(udev_device->device, priority);
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return 0;
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}
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int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink) {
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int r;
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assert(udev_device);
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r = device_add_devlink(udev_device->device, devlink);
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if (r < 0)
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return r;
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return 0;
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}
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int udev_device_add_property(struct udev_device *udev_device, const char *property, const char *value) {
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int r;
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assert(udev_device);
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r = device_add_property(udev_device->device, property, value);
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if (r < 0)
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return r;
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return 0;
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}
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int udev_device_add_tag(struct udev_device *udev_device, const char *tag) {
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int r;
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assert(udev_device);
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r = device_add_tag(udev_device->device, tag);
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if (r < 0)
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return r;
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return 0;
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}
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void udev_device_remove_tag(struct udev_device *udev_device, const char *tag) {
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assert(udev_device);
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device_remove_tag(udev_device->device, tag);
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}
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void udev_device_cleanup_tags_list(struct udev_device *udev_device) {
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assert(udev_device);
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device_cleanup_tags(udev_device->device);
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}
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void udev_device_cleanup_devlinks_list(struct udev_device *udev_device) {
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assert(udev_device);
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device_cleanup_devlinks(udev_device->device);
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}
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void udev_device_set_info_loaded(struct udev_device *udev_device) {
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assert(udev_device);
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device_seal(udev_device->device);
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}
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void udev_device_read_db(struct udev_device *udev_device) {
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assert(udev_device);
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device_read_db_force(udev_device->device);
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}
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