more fixes for using bool and the stdckdint functions for integer overflow; another update to test from coreutils-9.2 changes; fix memleak in parser state on parse error; Makefile changes for macOS

lib/sh/reallocarray.c

@@ -0,0 +1,44 @@
+/* reallocarray.c - reallocate memory for an array given type size and
+   number of elements */
+
+/* Copyright (C) 2024 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash 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.
+
+   Bash 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 Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+   
+#include <config.h>
+
+#include "bashansi.h"
+#include <stdckdint.h>
+
+#include <errno.h>
+#if !defined (errno)
+extern int errno;
+#endif
+
+void *
+reallocarray (void *ptr, size_t nmemb, size_t size)
+{
+  size_t nbytes;
+
+  if (ckd_mul (&nbytes, nmemb, size))
+    {
+      errno = ENOMEM;
+      return NULL;
+    }
+	        
+  return realloc (ptr, nbytes);
+}