src/basic/device-nodes.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2012 Lennart Poettering
   8 ***/
   9
  10 #include <stddef.h>
  11 #include <sys/types.h>
  12
  13 #include "macro.h"
  14 #include "stdio-util.h"
  15
  16 int encode_devnode_name(const char *str, char *str_enc, size_t len);
  17 int whitelisted_char_for_devnode(char c, const char *additional);
  18
  19 #define DEV_NUM_PATH_MAX                                                \
  20         (STRLEN("/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t))
  21 #define xsprintf_dev_num_path(buf, type, devno)                         \
  22         xsprintf(buf, "/dev/%s/%u:%u", type, major(devno), minor(devno))