lib/fsusage.h

   1 /* fsusage.h -- declarations for file system space usage info
   2
   3    Copyright (C) 1991-1992, 1997, 2003-2006, 2009-2017 Free Software
   4    Foundation, Inc.
   5
   6    This program is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  18
  19 /* Space usage statistics for a file system.  Blocks are 512-byte. */
  20
  21 #if !defined FSUSAGE_H_
  22 # define FSUSAGE_H_
  23
  24 # include <stdint.h>
  25 # include <stdbool.h>
  26
  27 struct fs_usage
  28 {
  29   uintmax_t fsu_blocksize;      /* Size of a block.  */
  30   uintmax_t fsu_blocks;         /* Total blocks. */
  31   uintmax_t fsu_bfree;          /* Free blocks available to superuser. */
  32   uintmax_t fsu_bavail;         /* Free blocks available to non-superuser. */
  33   bool fsu_bavail_top_bit_set;  /* 1 if fsu_bavail represents a value < 0.  */
  34   uintmax_t fsu_files;          /* Total file nodes. */
  35   uintmax_t fsu_ffree;          /* Free file nodes. */
  36 };
  37
  38 int get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp);
  39
  40 #endif