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/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
On-Line Applications Research Corporation.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <stdlib.h>
PTR __curbrk;
PTR __rorig;
PTR __rlimit;
int
DEFUN(__brk, (inaddr), PTR inaddr)
{
if ( ( (void *)inaddr > (void *)__rlimit ) ||
( (void *)inaddr < (void *)__rorig ) )
return -1;
__curbrk = inaddr;
return 0;
}
/* Initialization Code for Memory Allocation */
PTR __C_heap_start;
int __C_heap_size;
#ifdef HAVE_GNU_LD
static
#endif
void
DEFUN(__NONE_set_memvals, (argc, argv, envp),
int argc AND char **argv AND char **envp)
{
__rorig =
__curbrk = __C_heap_start;
__rlimit = __curbrk + __C_heap_size;
(void) &__NONE_set_memvals; /* Avoid "defined but not used" warning. */
}
#ifdef HAVE_GNU_LD
text_set_element (__libc_subinit, __NONE_set_memvals);
#endif
weak_alias (__brk, brk)
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