1/* malloc() function that is glibc compatible.
2
3   Copyright (C) 1997-1998, 2006-2007, 2009-2012 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   This program 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 General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, see <http://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/* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h.  */
23#ifdef malloc
24# define NEED_MALLOC_GNU 1
25# undef malloc
26/* Whereas the gnulib module 'malloc-gnu' defines HAVE_MALLOC_GNU.  */
27#elif GNULIB_MALLOC_GNU && !HAVE_MALLOC_GNU
28# define NEED_MALLOC_GNU 1
29#endif
30
31#include <stdlib.h>
32
33#include <errno.h>
34
35/* Allocate an N-byte block of memory from the heap.
36   If N is zero, allocate a 1-byte block.  */
37
38void *
39rpl_malloc (size_t n)
40{
41  void *result;
42
43#if NEED_MALLOC_GNU
44  if (n == 0)
45    n = 1;
46#endif
47
48  result = malloc (n);
49
50#if !HAVE_MALLOC_POSIX
51  if (result == NULL)
52    errno = ENOMEM;
53#endif
54
55  return result;
56}
57