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

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