/* malloc() function that is glibc compatible.

   Copyright (C) 1997-1998, 2006-2007, 2009-2021 Free Software Foundation, Inc.

   This program 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, or (at your option)
   any later version.

   This program 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 this program; if not, see <https://www.gnu.org/licenses/>.  */

/* written by Jim Meyering and Bruno Haible */

#define _GL_USE_STDLIB_ALLOC 1
#include <config.h>

/* The gnulib module 'malloc-gnu' defines HAVE_MALLOC_GNU.  */
#if GNULIB_MALLOC_GNU && !HAVE_MALLOC_GNU
# define NEED_MALLOC_GNU 1
#endif

#include <stdlib.h>

/* A function definition is only needed if NEED_MALLOC_GNU is defined above
   or if the module 'malloc-posix' requests it.  */
#if NEED_MALLOC_GNU || (GNULIB_MALLOC_POSIX && !HAVE_MALLOC_POSIX)

# include <errno.h>

/* Call the system's malloc below.  */
# undef malloc

/* Allocate an N-byte block of memory from the heap.
   If N is zero, allocate a 1-byte block.  */

void *
rpl_malloc (size_t n)
{
  void *result;

# if NEED_MALLOC_GNU
  if (n == 0)
    n = 1;
# endif

  result = malloc (n);

# if !HAVE_MALLOC_POSIX
  if (result == NULL)
    errno = ENOMEM;
# endif

  return result;
}

#endif
