root / prex-0.9.0 / include / sys / cdefs.h @ 03e9c04a
History | View | Annotate | Download (3.12 KB)
1 | 03e9c04a | Brad Neuman | /*
|
---|---|---|---|
2 | * Copyright (c) 1991, 1993
|
||
3 | * The Regents of the University of California. All rights reserved.
|
||
4 | *
|
||
5 | * This code is derived from software contributed to Berkeley by
|
||
6 | * Berkeley Software Design, Inc.
|
||
7 | *
|
||
8 | * Redistribution and use in source and binary forms, with or without
|
||
9 | * modification, are permitted provided that the following conditions
|
||
10 | * are met:
|
||
11 | * 1. Redistributions of source code must retain the above copyright
|
||
12 | * notice, this list of conditions and the following disclaimer.
|
||
13 | * 2. Redistributions in binary form must reproduce the above copyright
|
||
14 | * notice, this list of conditions and the following disclaimer in the
|
||
15 | * documentation and/or other materials provided with the distribution.
|
||
16 | * 3. Neither the name of the University nor the names of its contributors
|
||
17 | * may be used to endorse or promote products derived from this software
|
||
18 | * without specific prior written permission.
|
||
19 | *
|
||
20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
30 | * SUCH DAMAGE.
|
||
31 | *
|
||
32 | * @(#)cdefs.h 8.8 (Berkeley) 1/9/95
|
||
33 | */
|
||
34 | |||
35 | #ifndef _SYS_CDEFS_H_
|
||
36 | #define _SYS_CDEFS_H_
|
||
37 | |||
38 | /*
|
||
39 | * Macro to test if we're using a GNU C compiler of a specific vintage
|
||
40 | * or later, for e.g. features that appeared in a particular version
|
||
41 | * of GNU C. Usage:
|
||
42 | *
|
||
43 | * #if __GNUC_PREREQ__(major, minor)
|
||
44 | * ...cool feature...
|
||
45 | * #else
|
||
46 | * ...delete feature...
|
||
47 | * #endif
|
||
48 | */
|
||
49 | #ifdef __GNUC__
|
||
50 | #define __GNUC_PREREQ__(x, y) \
|
||
51 | ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ |
||
52 | (__GNUC__ > (x))) |
||
53 | #else
|
||
54 | #define __GNUC_PREREQ__(x, y) 0 |
||
55 | #endif
|
||
56 | |||
57 | #if defined(__cplusplus)
|
||
58 | #define __BEGIN_DECLS extern "C" { |
||
59 | #define __END_DECLS };
|
||
60 | #else
|
||
61 | #define __BEGIN_DECLS
|
||
62 | #define __END_DECLS
|
||
63 | #endif
|
||
64 | |||
65 | #define __CONCAT(x,y) x ## y |
||
66 | #define __STRING(x) #x |
||
67 | |||
68 | #if defined(__cplusplus) || defined(__PCC__)
|
||
69 | #define __inline inline /* convert to C++/C99 keyword */ |
||
70 | #else
|
||
71 | #ifndef __GNUC__
|
||
72 | #define __inline /* delete GCC keyword */ |
||
73 | #endif
|
||
74 | #endif /* !__cplusplus */ |
||
75 | |||
76 | #ifdef __GNUC__
|
||
77 | #define __packed __attribute__((__packed__))
|
||
78 | #define __noreturn __attribute__((__noreturn__))
|
||
79 | #elif defined(__lint__)
|
||
80 | #define __packed /* delete */ |
||
81 | #define __noreturn /* delete */ |
||
82 | #elif defined(__PCC__)
|
||
83 | #define __packed _Pragma("packed") |
||
84 | #define __noreturn /* delete */ |
||
85 | #elif defined(__SUNPRO_C)
|
||
86 | #define __packed /* delete */ |
||
87 | #define __noreturn /* delete */ |
||
88 | #else
|
||
89 | #define __packed error: no __packed for this compiler |
||
90 | #define __noreturn /* delete */ |
||
91 | #endif
|
||
92 | |||
93 | #define __P(protos) ()
|
||
94 | #define __RCSID(_s)
|
||
95 | #define __COPYRIGHT(_s)
|
||
96 | |||
97 | #endif /* !_SYS_CDEFS_H_ */ |