lib/di-set.h

   1 /* Manipulate sets of device-inode pairs efficiently.
   2    Copyright (C) 2010-2025 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 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34
  35 struct di_set;
  36
  37 void di_set_free (struct di_set *) _GL_ATTRIBUTE_NONNULL ((1));
  38
  39 struct di_set *di_set_alloc (void)
  40   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (di_set_free, 1);
  41
  42 int di_set_insert (struct di_set *, dev_t, ino_t) _GL_ATTRIBUTE_NONNULL ((1));
  43
  44 int di_set_lookup (struct di_set *dis, dev_t dev, ino_t ino)
  45   _GL_ATTRIBUTE_NONNULL ((1));
  46
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52 #endif