lib/ino-map.h

   1 /* Maintain a mapping of ino_t numbers to small integers.
   2    Copyright (C) 2010-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Paul Eggert, 2010.  */
  18
  19 #ifndef _GL_INO_MAP_H
  20 # define _GL_INO_MAP_H
  21
  22 /* This file uses _GL_ATTRIBUTE_DEALLOC, _GL_ATTRIBUTE_MALLOC,
  23    _GL_ATTRIBUTE_NONNULL.  */
  24 # if !_GL_CONFIG_H_INCLUDED
  25 #  error "Please include config.h first."
  26 # endif
  27
  28 # include <sys/types.h>
  29
  30 # define INO_MAP_INSERT_FAILURE ((size_t) -1)
  31
  32 struct ino_map;
  33
  34 void ino_map_free (struct ino_map *) _GL_ATTRIBUTE_NONNULL ((1));
  35
  36 struct ino_map *ino_map_alloc (size_t)
  37   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (ino_map_free, 1);
  38
  39 size_t ino_map_insert (struct ino_map *, ino_t) _GL_ATTRIBUTE_NONNULL ((1));
  40
  41 #endif