61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/* Test of malloc function.
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Copyright (C) 2024-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include <stdlib.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdint.h>
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#include "macros.h"
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/* Work around clang bug
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<https://github.com/llvm/llvm-project/issues/114772>. */
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void *(*volatile my_malloc) (size_t) = malloc;
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#undef malloc
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#define malloc my_malloc
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int
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main ()
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{
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/* Check that malloc sets errno when it fails.
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Do this only in 64-bit processes, because there are many bi-arch systems
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nowadays where a 32-bit process can actually allocate 2 GiB of RAM. */
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if (sizeof (size_t) >= 8)
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{
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void *p;
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errno = 0;
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p = malloc (SIZE_MAX / 10);
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ASSERT (p == NULL);
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ASSERT (errno == ENOMEM);
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errno = 0;
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p = malloc (SIZE_MAX / 3);
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ASSERT (p == NULL);
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ASSERT (errno == ENOMEM);
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return test_exit_status;
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}
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else
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{
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fputs ("Skipping test: size_t is not 64-bits wide\n", stderr);
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return 77;
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}
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}
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