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1/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <unistd.h>
21#include <sysdep.h>
22
23/* This must be initialized data because commons can't have aliases. */
24void *__curbrk = 0;
25
26/* Old braindamage in GCC's crtstuff.c requires this symbol in an attempt
27 to work around different old braindamage in the old Linux ELF dynamic
28 linker. */
29weak_alias (__curbrk, ___brk_addr)
30
31int
32__brk (void *addr)
33{
34 INTERNAL_SYSCALL_DECL (err);
35
36 __curbrk = (void *) INTERNAL_SYSCALL (brk, err, 1, addr);
37 if (__curbrk < addr)
38 {
39 __set_errno (ENOMEM);
40 return -1;
41 }
42
43 return 0;
44}
45weak_alias (__brk, brk)
46

Warning: That file was not part of the compilation database. It may have many parsing errors.