+2024-10-31 Bruno Haible <bruno@clisp.org>
+
+ calloc-posix: Add tests.
+ * tests/test-calloc-posix.c: New file.
+ * modules/calloc-posix-tests: New file.
+
2024-10-31 Bruno Haible <bruno@clisp.org>
malloc-posix: Add tests.
--- /dev/null
+/* Test of calloc function.
+ Copyright (C) 2024 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"
+
+int
+main ()
+{
+ /* Check that calloc 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 *volatile p;
+
+ errno = 0;
+ p = calloc (SIZE_MAX / 20, 2);
+ ASSERT (p == NULL);
+ ASSERT (errno == ENOMEM);
+
+ errno = 0;
+ p = calloc (SIZE_MAX / 6, 2);
+ 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;
+ }
+}