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/* Test of malloc function.
Copyright (C) 2024-2025 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <stdint.h>
#include "macros.h"
/* Work around clang bug
<https://github.com/llvm/llvm-project/issues/114772>. */
void *(*volatile my_malloc) (size_t) = malloc;
#undef malloc
#define malloc my_malloc
int
main ()
{
/* Check that malloc sets errno when it fails.
Do this only in 64-bit processes, because there are many bi-arch systems
nowadays where a 32-bit process can actually allocate 2 GiB of RAM. */
if (sizeof (size_t) >= 8)
{
void *p;
errno = 0;
p = malloc (SIZE_MAX / 10);
ASSERT (p == NULL);
ASSERT (errno == ENOMEM);
errno = 0;
p = malloc (SIZE_MAX / 3);
ASSERT (p == NULL);
ASSERT (errno == ENOMEM);
return test_exit_status;
}
else
{
fputs ("Skipping test: size_t is not 64-bits wide\n", stderr);
return 77;
}
}
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