1/* Copyright (C) 2014-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library 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 GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <malloc.h>
19#include <stdio.h>
20#include <string.h>
21
22static int errors = 0;
23
24static void
25merror (const char *msg)
26{
27 ++errors;
28 printf (format: "Error: %s\n", msg);
29}
30
31static int
32do_test (void)
33{
34 int ret;
35
36 ret = mallopt(M_CHECK_ACTION, val: 1);
37
38 if (ret != 1)
39 merror (msg: "mallopt (M_CHECK_ACTION, 1) failed.");
40
41 ret = mallopt(M_MMAP_MAX, val: 64*1024);
42
43 if (ret != 1)
44 merror (msg: "mallopt (M_MMAP_MAX, 64*1024) failed.");
45
46 ret = mallopt(M_MMAP_THRESHOLD, val: 64*1024);
47
48 if (ret != 1)
49 merror (msg: "mallopt (M_MMAP_THRESHOLD, 64*1024) failed.");
50
51 ret = mallopt(M_MXFAST, val: 0);
52
53 if (ret != 1)
54 merror (msg: "mallopt (M_MXFAST, 0) failed.");
55
56 ret = mallopt(M_PERTURB, val: 0xa5);
57
58 if (ret != 1)
59 merror (msg: "mallopt (M_PERTURB, 0xa5) failed.");
60
61 ret = mallopt(M_TOP_PAD, val: 64*1024);
62
63 if (ret != 1)
64 merror (msg: "mallopt (M_TOP_PAD, 64*1024) failed.");
65
66 ret = mallopt(M_TRIM_THRESHOLD, val: -1);
67
68 if (ret != 1)
69 merror (msg: "mallopt (M_TRIM_THRESHOLD, -1) failed.");
70
71 return errors != 0;
72}
73
74#define TEST_FUNCTION do_test ()
75#include "../test-skeleton.c"
76

source code of glibc/malloc/tst-mallopt.c