src/libelogind/sd-device/device-util.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #pragma once
   4
   5 /***
   6   This file is part of systemd.
   7
   8   Copyright 2014-2015 Tom Gundersen <teg@jklm.no>
   9
  10   systemd is free software; you can redistribute it and/or modify it
  11   under the terms of the GNU Lesser General Public License as published by
  12   the Free Software Foundation; either version 2.1 of the License, or
  13   (at your option) any later version.
  14
  15   systemd is distributed in the hope that it will be useful, but
  16   WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18   Lesser General Public License for more details.
  19
  20   You should have received a copy of the GNU Lesser General Public License
  21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  22 ***/
  23
  24 #include "util.h"
  25
  26 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_device*, sd_device_unref);
  27 #define _cleanup_device_unref_ _cleanup_(sd_device_unrefp)
  28
  29 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_device_enumerator*, sd_device_enumerator_unref);
  30 #define _cleanup_device_enumerator_unref_ _cleanup_(sd_device_enumerator_unrefp)
  31
  32 #define FOREACH_DEVICE_PROPERTY(device, key, value)                \
  33         for (key = sd_device_get_property_first(device, &(value)); \
  34              key;                                                  \
  35              key = sd_device_get_property_next(device, &(value)))
  36
  37 #define FOREACH_DEVICE_TAG(device, tag)             \
  38         for (tag = sd_device_get_tag_first(device); \
  39              tag;                                   \
  40              tag = sd_device_get_tag_next(device))
  41
  42 #define FOREACH_DEVICE_SYSATTR(device, attr)             \
  43         for (attr = sd_device_get_sysattr_first(device); \
  44              attr;                                       \
  45              attr = sd_device_get_sysattr_next(device))
  46
  47 #define FOREACH_DEVICE_DEVLINK(device, devlink)             \
  48         for (devlink = sd_device_get_devlink_first(device); \
  49              devlink;                                   \
  50              devlink = sd_device_get_devlink_next(device))
  51
  52 #define FOREACH_DEVICE(enumerator, device)                               \
  53         for (device = sd_device_enumerator_get_device_first(enumerator); \
  54              device;                                                     \
  55              device = sd_device_enumerator_get_device_next(enumerator))
  56
  57 #define FOREACH_SUBSYSTEM(enumerator, device)                               \
  58         for (device = sd_device_enumerator_get_subsystem_first(enumerator); \
  59              device;                                                        \
  60              device = sd_device_enumerator_get_subsystem_next(enumerator))