lib/di-set.h

   1 /* Manipulate sets of device-inode pairs efficiently.
   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 Jim Meyering, 2010.  */
  18
  19 #ifndef _GL_DI_SET_H
  20 # define _GL_DI_SET_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 struct di_set;
  31
  32 void di_set_free (struct di_set *) _GL_ATTRIBUTE_NONNULL ((1));
  33
  34 struct di_set *di_set_alloc (void)
  35   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (di_set_free, 1);
  36
  37 int di_set_insert (struct di_set *, dev_t, ino_t) _GL_ATTRIBUTE_NONNULL ((1));
  38
  39 int di_set_lookup (struct di_set *dis, dev_t dev, ino_t ino)
  40   _GL_ATTRIBUTE_NONNULL ((1));
  41
  42 #endif