1  /* fsusage.h -- declarations for file system space usage info
       2  
       3     Copyright (C) 1991-1992, 1997, 2003-2006, 2009-2023 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  struct fs_usage
      27  {
      28    uintmax_t fsu_blocksize;      /* Size of a block.  */
      29    uintmax_t fsu_blocks;         /* Total blocks. */
      30    uintmax_t fsu_bfree;          /* Free blocks available to superuser. */
      31    uintmax_t fsu_bavail;         /* Free blocks available to non-superuser. */
      32    bool fsu_bavail_top_bit_set;  /* 1 if fsu_bavail represents a value < 0.  */
      33    uintmax_t fsu_files;          /* Total file nodes. */
      34    uintmax_t fsu_ffree;          /* Free file nodes. */
      35  };
      36  
      37  int get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp);
      38  
      39  #endif