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+/* calloc() function that is glibc compatible.
+ This wrapper function is required at least on Tru64 UNIX 5.1 and mingw.
+ Copyright (C) 2004-2007, 2009-2023 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 Jim Meyering and Bruno Haible */
+
+#include <config.h>
+
+/* Specification. */
+#include <stdlib.h>
+
+#include <errno.h>
+
+#include "xalloc-oversized.h"
+
+/* Call the system's calloc below. */
+#undef calloc
+
+/* Allocate and zero-fill an NxS-byte block of memory from the heap,
+ even if N or S is zero. */
+
+void *
+rpl_calloc (size_t n, size_t s)
+{
+ if (n == 0 || s == 0)
+ n = s = 1;
+
+ if (xalloc_oversized (n, s))
+ {
+ errno = ENOMEM;
+ return NULL;
+ }
+
+ void *result = calloc (n, s);
+
+#if !HAVE_MALLOC_POSIX
+ if (result == NULL)
+ errno = ENOMEM;
+#endif
+
+ return result;
+}