67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* Copyright (C) 1991, 1994, 1995, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
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On-Line Applications Research Corporation.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdlib.h>
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void *__curbrk;
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void *__rorig;
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void *__rlimit;
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int
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__brk (inaddr)
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void *inaddr;
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{
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if ( ( (void *)inaddr > (void *)__rlimit ) ||
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( (void *)inaddr < (void *)__rorig ) )
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return -1;
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__curbrk = inaddr;
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return 0;
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}
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/* Initialization Code for Memory Allocation */
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void *__C_heap_start;
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int __C_heap_size;
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#ifdef HAVE_GNU_LD
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static
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#endif
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void
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__NONE_set_memvals (argc, argv, envp)
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int argc;
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char **argv;
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char **envp;
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{
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__rorig =
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__curbrk = __C_heap_start;
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__rlimit = __curbrk + __C_heap_size;
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(void) &__NONE_set_memvals; /* Avoid "defined but not used" warning. */
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}
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#ifdef HAVE_GNU_LD
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text_set_element (__libc_subinit, __NONE_set_memvals);
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#endif
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weak_alias (__brk, brk)
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