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/* malloc() function that is glibc compatible.
Copyright (C) 1997-1998, 2006-2007, 2009-2024 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 */
/* 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 <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 !HAVE_MALLOC_PTRDIFF
ptrdiff_t signed_n;
if (ckd_add (&signed_n, n, 0))
{
errno = ENOMEM;
return NULL;
}
#endif
void *result = malloc (n);
#if !HAVE_MALLOC_POSIX
if (result == NULL)
errno = ENOMEM;
#endif
return result;
}
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