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

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2014-2015 Tom Gundersen <teg@jklm.no>
   8 ***/
   9
  10 #include "util.h"
  11
  12 #define FOREACH_DEVICE_PROPERTY(device, key, value)                \
  13         for (key = sd_device_get_property_first(device, &(value)); \
  14              key;                                                  \
  15              key = sd_device_get_property_next(device, &(value)))
  16
  17 #define FOREACH_DEVICE_TAG(device, tag)             \
  18         for (tag = sd_device_get_tag_first(device); \
  19              tag;                                   \
  20              tag = sd_device_get_tag_next(device))
  21
  22 #define FOREACH_DEVICE_SYSATTR(device, attr)             \
  23         for (attr = sd_device_get_sysattr_first(device); \
  24              attr;                                       \
  25              attr = sd_device_get_sysattr_next(device))
  26
  27 #define FOREACH_DEVICE_DEVLINK(device, devlink)             \
  28         for (devlink = sd_device_get_devlink_first(device); \
  29              devlink;                                   \
  30              devlink = sd_device_get_devlink_next(device))
  31
  32 #define FOREACH_DEVICE(enumerator, device)                               \
  33         for (device = sd_device_enumerator_get_device_first(enumerator); \
  34              device;                                                     \
  35              device = sd_device_enumerator_get_device_next(enumerator))
  36
  37 #define FOREACH_SUBSYSTEM(enumerator, device)                               \
  38         for (device = sd_device_enumerator_get_subsystem_first(enumerator); \
  39              device;                                                        \
  40              device = sd_device_enumerator_get_subsystem_next(enumerator))