blob: a58c2e7e4515c9f992a1121340d23c9172297b52 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright © 2010 Rafaël Carré
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _GCC_EXTENSIONS_H_
#define _GCC_EXTENSIONS_H_
/* Support for some GCC extensions */
/* Compile time check of format for printf/scanf like functions */
#ifdef __GNUC__
#define ATTRIBUTE_PRINTF(fmt, arg1) __attribute__( ( format( printf, fmt, arg1 ) ) )
#define ATTRIBUTE_SCANF(fmt, arg1) __attribute__( ( format( scanf, fmt, arg1 ) ) )
#else
#define ATTRIBUTE_PRINTF(fmt, arg1)
#define ATTRIBUTE_SCANF(fmt, arg1)
#endif
/* Use to give gcc hints on which branch is most likely taken */
#if defined(__GNUC__) && __GNUC__ >= 3
#define LIKELY(x) __builtin_expect(!!(x), 1)
#define UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif
#endif /* _GCC_EXTENSIONS_H_ */
|
