1 /* Copyright (C) 2000-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
27 /* Number of samples per size. */
37 for (i = 0; i < N; ++i)
41 ptrs[i] = (char *) calloc (1, size);
46 for (j = 0; j < size; ++j)
48 if (ptrs[i][j] != '\0')
49 error (EXIT_FAILURE, 0,
50 "byte not cleared (size %d, element %d, byte %d)",
67 for (i = 0; i < N; ++i)
70 int n = 1 + random () % 10;
71 int elem = 1 + random () % 100;
74 ptrs[i] = (char *) calloc (n, elem);
79 for (j = 0; j < size; ++j)
81 if (ptrs[i][j] != '\0')
82 error (EXIT_FAILURE, 0,
83 "byte not cleared (size %d, element %d, byte %d)",
97 /* If the size is 0 the result is implementation defined. Just make
98 sure the program doesn't crash. */
100 calloc (0, UINT_MAX);
101 calloc (UINT_MAX, 0);
102 calloc (0, ~((size_t) 0));
103 calloc (~((size_t) 0), 0);
110 /* We are allocating blocks with `calloc' and check whether every
111 block is completely cleared. We first try this for some fixed
112 times and then with random size. */