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-rw-r--r--tests/reallocarray.c39
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diff --git a/tests/reallocarray.c b/tests/reallocarray.c
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+/* reallocarray function that is glibc compatible.
+
+ Copyright (C) 2017-2022 Free Software Foundation, Inc.
+
+ This file 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.
+
+ This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* written by Darshit Shah */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <errno.h>
+
+#include "intprops.h"
+
+void *
+reallocarray (void *ptr, size_t nmemb, size_t size)
+{
+ size_t nbytes;
+ if (INT_MULTIPLY_WRAPV (nmemb, size, &nbytes))
+ {
+ errno = ENOMEM;
+ return NULL;
+ }
+
+ /* Rely on the semantics of GNU realloc. */
+ return realloc (ptr, nbytes);
+}