1 /* Reentrant sort function.
3 Copyright 2014-2024 Free Software Foundation, Inc.
5 This file is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
10 This file is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 /* Written by Paul Eggert. */
24 /* This file is compiled only when the system has a qsort_r that needs
25 to be replaced because it has the BSD signature rather than the GNU
30 int (*cmp
) (void const *, void const *, void *);
35 thunk_cmp (void *thunk
, void const *a
, void const *b
)
37 struct thunk
*th
= thunk
;
38 return th
->cmp (a
, b
, th
->arg
);
42 qsort_r (void *base
, size_t nmemb
, size_t size
,
43 int (*cmp
) (void const *, void const *, void *),
50 qsort_r (base
, nmemb
, size
, &thunk
, thunk_cmp
);