1 files changed, 9 insertions, 4 deletions
diff --git a/lib/malloc.c b/lib/malloc.c
index 2a7867a1..5642c83c 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -1,6 +1,6 @@
 /* malloc() function that is glibc compatible.
 
-   Copyright (C) 1997-1998, 2006-2007, 2009-2024 Free Software Foundation, Inc.
+   Copyright (C) 1997-1998, 2006-2007, 2009-2025 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
@@ -17,28 +17,33 @@
 
 /* written by Jim Meyering and Bruno Haible */
 
+/* Ensure that we call the system's malloc() below.  */
 #define _GL_USE_STDLIB_ALLOC 1
 #include <config.h>
 
 #include <stdlib.h>
 
 #include <errno.h>
-
-#include "xalloc-oversized.h"
+#include <stdckdint.h>
 
 /* Allocate an N-byte block of memory from the heap, even if N is 0.  */
 
 void *
 rpl_malloc (size_t n)
 {
+#if !HAVE_MALLOC_0_NONNULL
   if (n == 0)
     n = 1;
+#endif
 
-  if (xalloc_oversized (n, 1))
+#if !HAVE_MALLOC_PTRDIFF
+  ptrdiff_t signed_n;
+  if (ckd_add (&signed_n, n, 0))
     {
       errno = ENOMEM;
       return NULL;
     }
+#endif
 
   void *result = malloc (n);