bionic/libc/upstream-freebsd/android/include/freebsd-compat.h
Elliott Hughes d39f3f2c2e Clean up and document our hacks for building BSD source.
Change-Id: Ic591e22fa5b363bb68376b9f25814c0e5bd83fbf
2014-04-21 17:13:46 -07:00

55 lines
1.7 KiB
C

/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _BIONIC_FREEBSD_COMPAT_H_included
#define _BIONIC_FREEBSD_COMPAT_H_included
#define __USE_BSD
#define REPLACE_GETOPT
/*
* FreeBSD's libc has three symbols for every symbol:
*
* __f will be the actual implementation.
* _f will be a weak reference to __f (used for calls to f from within the library).
* f will be a weak reference to __f (used for calls to f from outside the library).
*
* We collapse this into just the one symbol, f.
*/
/* Prevent weak reference generation. */
#define __weak_reference(sym,alias)
/* Ensure that the implementation itself gets the underscore-free name. */
#define __sleep sleep
#define __usleep usleep
/* Redirect internal C library calls to the public function. */
#define _close close
#define _fcntl fcntl
#define _fstat fstat
#define _nanosleep nanosleep
#define _open open
/* This one is only needed as long as we have a mix of OpenBSD and FreeBSD stdio. */
#define _sseek __sseek
/* This is in BSD's <stdlib.h>. */
#include <stdint.h>
extern uint32_t arc4random_uniform(uint32_t upper_bound);
#endif