summaryrefslogtreecommitdiff
path: root/malloc/tst-mcheck.c
blob: 8801203bb07bd0448ba9502f35d58ef682bf8bfc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
/* Copyright (C) 2005-2015 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Jakub Jelinek <jakub@redhat.com>, 2005.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>

static int errors = 0;

static void
merror (const char *msg)
{
  ++errors;
  printf ("Error: %s\n", msg);
}

static int
do_test (void)
{
  void *p, *q;

  errno = 0;

  p = malloc (-1);

  if (p != NULL)
    merror ("malloc (-1) succeeded.");
  else if (errno != ENOMEM)
    merror ("errno is not set correctly.");

  p = malloc (10);
  if (p == NULL)
    merror ("malloc (10) failed.");

  p = realloc (p, 0);
  if (p != NULL)
    merror ("realloc (p, 0) failed.");

  p = malloc (0);
  if (p == NULL)
    merror ("malloc (0) failed.");

  p = realloc (p, 0);
  if (p != NULL)
    merror ("realloc (p, 0) failed.");

  q = malloc (256);
  if (q == NULL)
    merror ("malloc (256) failed.");

  p = malloc (512);
  if (p == NULL)
    merror ("malloc (512) failed.");

  if (realloc (p, -256) != NULL)
    merror ("realloc (p, -256) succeeded.");
  else if (errno != ENOMEM)
    merror ("errno is not set correctly.");

  free (p);

  p = malloc (512);
  if (p == NULL)
    merror ("malloc (512) failed.");

  if (realloc (p, -1) != NULL)
    merror ("realloc (p, -1) succeeded.");
  else if (errno != ENOMEM)
    merror ("errno is not set correctly.");

  free (p);
  free (q);

  return errors != 0;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"