src/shared/uid-range.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2014 Lennart Poettering
   8
   9   systemd is free software; you can redistribute it and/or modify it
  10   under the terms of the GNU Lesser General Public License as published by
  11   the Free Software Foundation; either version 2.1 of the License, or
  12   (at your option) any later version.
  13
  14   systemd is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   Lesser General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  21 ***/
  22
  23 #include <stdbool.h>
  24 #include <sys/types.h>
  25
  26 typedef struct UidRange {
  27         uid_t start, nr;
  28 } UidRange;
  29
  30 int uid_range_add(UidRange **p, unsigned *n, uid_t start, uid_t nr);
  31 int uid_range_add_str(UidRange **p, unsigned *n, const char *s);
  32
  33 int uid_range_next_lower(const UidRange *p, unsigned n, uid_t *uid);
  34 bool uid_range_contains(const UidRange *p, unsigned n, uid_t uid);