Subversion Repositories shark

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 pj 1
/* Copyright (C) 1992,93,94,95,96,97,98,99 Free Software Foundation, Inc.
2
   This file is part of the GNU C Library.
3
 
4
   The GNU C Library is free software; you can redistribute it and/or
5
   modify it under the terms of the GNU Library General Public License as
6
   published by the Free Software Foundation; either version 2 of the
7
   License, or (at your option) any later version.
8
 
9
   The GNU C Library is distributed in the hope that it will be useful,
10
   but WITHOUT ANY WARRANTY; without even the implied warranty of
11
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12
   Library General Public License for more details.
13
 
14
   You should have received a copy of the GNU Library General Public
15
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
16
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17
   Boston, MA 02111-1307, USA.  */
18
 
19
#ifndef _SYS_CDEFS_H
20
#define _SYS_CDEFS_H    1
21
 
22
#include <ll/sys/cdefs.h>
23
 
24
/* MODIFIED by this add */
25
/*#define __warn_references(func,str)*/
26
 
27
/* We are almost always included from features.h. */
28
#ifndef _FEATURES_H
29
#include <features.h>
30
#endif
31
 
32
/* Some user header file might have defined this before.  */
33
#undef  __P
34
#undef  __PMT
35
 
36
#ifdef __GNUC__
37
 
38
/* GCC can always grok prototypes.  For C++ programs we add throw()
39
   to help it optimize the function calls.  But this works only with
40
   gcc 2.8.x and egcs.  */
41
# if defined __cplusplus && (__GNUC__ >= 3 || __GNUC_MINOR__ >= 8)
42
#  define __THROW       throw ()
43
# else
44
#  define __THROW
45
# endif
46
# define __P(args)      args __THROW
47
/* This macro will be used for functions which might take C++ callback
48
   functions.  */
49
# define __PMT(args)    args
50
# define __DOTS         , ...
51
 
52
#else   /* Not GCC.  */
53
 
54
# define __inline               /* No inline functions.  */
55
 
56
# if (defined __STDC__ && __STDC__) || defined __cplusplus
57
 
58
#  define __P(args)     args
59
#  define __PMT(args)   args
60
#  define __const       const
61
#  define __signed      signed
62
#  define __volatile    volatile
63
#  define __DOTS        , ...
64
 
65
# else  /* Not ANSI C or C++.  */
66
 
67
#  define __P(args)     ()      /* No prototypes.  */
68
#  define __PMT(args)   ()
69
#  define __const               /* No ANSI C keywords.  */
70
#  define __signed
71
#  define __volatile
72
#  define __DOTS
73
 
74
# endif /* ANSI C or C++.  */
75
 
76
#endif  /* GCC.  */
77
 
78
/* For these things, GCC behaves the ANSI way normally,
79
   and the non-ANSI way under -traditional.  */
80
 
81
#if defined __STDC__ && __STDC__
82
 
83
//# define __CONCAT(x,y)        x ## y
84
# define __STRING(x)    #x
85
 
86
/* This is not a typedef so `const __ptr_t' does the right thing.  */
87
# define __ptr_t void *
88
# define __long_double_t  long double
89
 
90
#else
91
 
92
//# define __CONCAT(x,y)        x/**/y
93
# define __STRING(x)    "x"
94
 
95
# define __ptr_t char *
96
# define __long_double_t  long double
97
 
98
/* The BSD header files use the ANSI keywords unmodified (this means that
99
   old programs may lose if they use the new keywords as identifiers), but
100
   those names are not available under -traditional.  We define them to
101
   their __ versions, which are taken care of above.  */
102
#ifdef  __USE_BSD
103
# define const          __const
104
# define signed         __signed
105
# define volatile       __volatile
106
#endif
107
 
108
#endif  /* __STDC__ */
109
 
110
 
111
/* C++ needs to know that types and declarations are C, not C++.  */
112
#ifdef  __cplusplus
113
# define __BEGIN_DECLS  extern "C" {
114
# define __END_DECLS    }
115
#else
116
# define __BEGIN_DECLS
117
# define __END_DECLS
118
#endif
119
 
120
/* __asm__ ("xyz") is used throughout the headers to rename functions
121
   at the assembly language level.  This is wrapped by the __REDIRECT
122
   macro, in order to support compilers that can do this some other
123
   way.  When compilers don't support asm-names at all, we have to do
124
   preprocessor tricks instead (which don't have exactly the right
125
   semantics, but it's the best we can do).
126
 
127
   Example:
128
   int __REDIRECT(setpgrp, __P((__pid_t pid, __pid_t pgrp)), setpgid); */
129
 
130
#if defined __GNUC__ && __GNUC__ >= 2
131
 
132
# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
133
# define __ASMNAME(cname)  __ASMNAME2 (__USER_LABEL_PREFIX__, cname)
134
# define __ASMNAME2(prefix, cname) __STRING (prefix) cname
135
 
136
/*
137
#elif __SOME_OTHER_COMPILER__
138
 
139
# define __attribute__(xyz)
140
# define __REDIRECT(name, proto, alias) name proto; \
141
        _Pragma("let " #name " = " #alias)
142
*/
143
#endif
144
 
145
/* GCC has various useful declarations that can be made with the
146
   `__attribute__' syntax.  All of the ways we use this do fine if
147
   they are omitted for compilers that don't understand it. */
148
#if !defined __GNUC__ || __GNUC__ < 2
149
 
150
# define __attribute__(xyz)     /* Ignore. */
151
 
152
#endif
153
 
154
/* It is possible to compile containing GCC extensions even if GCC is
155
   run in pedantic mode if the uses are carefully marked using the
156
   `__extension__' keyword.  But this is not generally available before
157
   version 2.8.  */
158
#if !defined __GNUC__ || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
159
 
160
# define __extension__          /* Ignore */
161
 
162
#endif
163
 
164
/* __restrict is known in EGCS 1.2 and above. */
165
#if !defined __GNUC__ || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 92)
166
 
167
# define __restrict     /* Ignore */
168
 
169
#endif
170
 
171
#endif   /* sys/cdefs.h */