1/* malloc() function that is glibc compatible.
2
3   Copyright (C) 1997-1998, 2006-2007, 2009-2022 Free Software Foundation, Inc.
4
5   This file is free software: you can redistribute it and/or modify
6   it under the terms of the GNU Lesser General Public License as
7   published by the Free Software Foundation; either version 2.1 of the
8   License, or (at your option) any later version.
9
10   This file is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public License
16   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
17
18/* written by Jim Meyering and Bruno Haible */
19
20#define _GL_USE_STDLIB_ALLOC 1
21#include <config.h>
22
23#include <stdlib.h>
24
25#include <errno.h>
26
27#include "xalloc-oversized.h"
28
29/* Allocate an N-byte block of memory from the heap, even if N is 0.  */
30
31void *
32rpl_malloc (size_t n)
33{
34  if (n == 0)
35    n = 1;
36
37  if (xalloc_oversized (n, 1))
38    {
39      errno = ENOMEM;
40      return NULL;
41    }
42
43  void *result = malloc (n);
44
45#if !HAVE_MALLOC_POSIX
46  if (result == NULL)
47    errno = ENOMEM;
48#endif
49
50  return result;
51}
52