mes/lib/stdlib/malloc.c
Jan Nieuwenhuizen 573896cc1c
core: Prepare for the Hurd.
* lib/linux/libc.c: Move from lib/linux.c.
* lib/linux/gcc.c: Move from lib/linux-gcc.c.
* lib/linux/gnu.c: Move from lib/linux+gnu.c.
* lib/linux/libc.c: Move from lib/linux.c.
* lib/linux/mes.c: Move from lib/linux-mes.c.
* lib/linux/mini-gcc.c: Move from lib/linux-mini-gcc.c.
* lib/linux/mini-mes.c: Move from lib/linux-mini-mes.c.
* lib/linux/tcc.c: Move from lib/linux+tcc.c.
* lib/linux/crt0.c: Move from lib/crt0.c.
* lib/linux/crt1.c: Move from lib/crt1.c.
* lib/linux/crti.c: Move from lib/crti.c.
* lib/linux/crtn.c: Move from lib/crtn.c.
* build-aux/build-cc.sh: Update for new layout.
* build-aux/build-cc32.sh: Likewise.
* build-aux/build-mes.sh: Likewise.
* build-aux/cc-mes.sh: Likewise.
* build-aux/cc32-mes.sh: Likewise.
* lib/string/argz-count.c: New file taken from GNU C Library,
  relicensed.
* lib/string/argz-extract.c: New file taken from GNU C Library,
  relicensed.
* include/argz.h: New file.
* lib/string/memcpy.c: New file, extract from libc.
* lib/assert/assert.c: Likewise.
2018-06-30 13:11:03 +02:00

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1,007 B
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* 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.
*
* 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 Mes. If not, see <http://www.gnu.org/licenses/>.
*/
char *__brk = 0;
void *
malloc (size_t size)
{
if (!__brk)
__brk = brk (0);
if (brk (__brk + size) == (void*)-1)
return 0;
char *p = __brk;
__brk += size;
return p;
}