lib/fsusage.h

   1 /* fsusage.h -- declarations for file system space usage info
   2
   3    Copyright (C) 1991-1992, 1997, 2003-2006, 2009-2024 Free Software
   4    Foundation, Inc.
   5
   6    This file is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU Lesser General Public License as
   8    published by the Free Software Foundation, either version 3 of the
   9    License, or (at your option) any later version.
  10
  11    This file 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 Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser 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
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif
  29
  30
  31 struct fs_usage
  32 {
  33   uintmax_t fsu_blocksize;      /* Size of a block.  */
  34   uintmax_t fsu_blocks;         /* Total blocks. */
  35   uintmax_t fsu_bfree;          /* Free blocks available to superuser. */
  36   uintmax_t fsu_bavail;         /* Free blocks available to non-superuser. */
  37   bool fsu_bavail_top_bit_set;  /* 1 if fsu_bavail represents a value < 0.  */
  38   uintmax_t fsu_files;          /* Total file nodes. */
  39   uintmax_t fsu_ffree;          /* Free file nodes. */
  40 };
  41
  42 int get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp);
  43
  44
  45 #ifdef __cplusplus
  46 }
  47 #endif
  48
  49 #endif