1 /* Reentrant sort function.
3 Copyright 2014-2016 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program 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 General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, see <http://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);