43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2016,2017,2018,2019,2021 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
* Copyright © 2021 Danny Milosavljevic <dannym@scratchpost.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes 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 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <mes/lib.h>
|
|
#include <string.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
char *__brk = 0;
|
|
|
|
void *
|
|
malloc (size_t size)
|
|
{
|
|
if (!__brk)
|
|
__brk = (char *) brk (0);
|
|
/* align what we give back. */
|
|
__brk = (char*) (((uintptr_t) __brk
|
|
+ sizeof (max_align_t) - 1) & -sizeof (max_align_t));
|
|
if (brk (__brk + size) == -1)
|
|
return 0;
|
|
char *p = __brk;
|
|
__brk = __brk + size;
|
|
return p;
|
|
}
|