reactos/drivers/lib/oskittcp/include/freebsd/src/sys/sys/cdefs.h

   1 /*
   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. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)cdefs.h     8.7 (Berkeley) 1/21/94
  37  */
  38
  39 #ifndef _SYS_CDEFS_H_
  40 #define _SYS_CDEFS_H_
  41
  42 #if defined(__cplusplus)
  43 #define __BEGIN_DECLS   extern "C" {
  44 #define __END_DECLS     };
  45 #else
  46 #define __BEGIN_DECLS
  47 #define __END_DECLS
  48 #endif
  49
  50 /*
  51  * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
  52  * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
  53  * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
  54  * in between its arguments.  __CONCAT can also concatenate double-quoted
  55  * strings produced by the __STRING macro, but this only works with ANSI C.
  56  */
  57 #if defined(__STDC__) || defined(__cplusplus)
  58 #define __P(protos)     protos          /* full-blown ANSI C */
  59 #define __CONCAT1(x,y)  x ## y
  60 #define __CONCAT(x,y)   __CONCAT1(x,y)
  61 #define __STRING(x)     #x
  62
  63 #define __const         const           /* define reserved names to standard */
  64 #define __signed        signed
  65 #define __volatile      volatile
  66 #if defined(__cplusplus)
  67 #define __inline        inline          /* convert to C++ keyword */
  68 #else
  69 #ifndef __GNUC__
  70 #define __inline                        /* delete GCC keyword */
  71 #endif /* !__GNUC__ */
  72 #endif /* !__cplusplus */
  73
  74 #else   /* !(__STDC__ || __cplusplus) */
  75 #define __P(protos)     ()              /* traditional C preprocessor */
  76 #define __CONCAT(x,y)   x/**/y
  77 #define __STRING(x)     "x"
  78
  79 #ifndef __GNUC__
  80 #define __const                         /* delete pseudo-ANSI C keywords */
  81 #define __inline
  82 #define __signed
  83 #define __volatile
  84 /*
  85  * In non-ANSI C environments, new programs will want ANSI-only C keywords
  86  * deleted from the program and old programs will want them left alone.
  87  * When using a compiler other than gcc, programs using the ANSI C keywords
  88  * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
  89  * When using "gcc -traditional", we assume that this is the intent; if
  90  * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
  91  */
  92 #ifndef NO_ANSI_KEYWORDS
  93 #define const                           /* delete ANSI C keywords */
  94 #define inline
  95 #define signed
  96 #define volatile
  97 #endif
  98 #endif  /* !NO_ANSI_KEYWORDS */
  99 #endif  /* !(__STDC__ || __cplusplus) */
 100
 101 #ifdef _MSC_VER
 102 #  undef __CONCAT
 103 #  define  __CONCAT(x,y) x ## y
 104 #endif/*_MSC_VER*/
 105 /*
 106  * GCC1 and some versions of GCC2 declare dead (non-returning) and
 107  * pure (no side effects) functions using "volatile" and "const";
 108  * unfortunately, these then cause warnings under "-ansi -pedantic".
 109  * GCC2.5 uses a new, peculiar __attribute__((attrs)) style.  All of
 110  * these work for GNU C++ (modulo a slight glitch in the C++ grammar
 111  * in the distribution version of 2.5.5).
 112  */
 113 #if __GNUC__ < 2
 114 #define __dead
 115 #define __dead2
 116 #define __pure
 117 #define __pure2
 118 #define __attribute__(x)
 119 #endif
 120 #if __GNUC__ == 2 && __GNUC_MINOR__ < 5
 121 #define __dead          __volatile
 122 #define __dead2
 123 #define __pure          __const
 124 #define __pure2
 125 #endif
 126 #if __GNUC__ == 2 && __GNUC_MINOR__ > 5 || __GNUC__ >= 3
 127 #define __dead
 128 #define __dead2         __attribute__((noreturn))
 129 #define __pure
 130 #define __pure2         __attribute__((const))
 131 #endif
 132
 133 #ifdef __GNUC__
 134 #ifdef __STDC__
 135 #define __weak_reference(sym,alias)     \
 136         __asm__(".stabs \"_" #alias "\",11,0,0,0");     \
 137         __asm__(".stabs \"_" #sym "\",1,0,0,0")
 138 #define __warn_references(sym,msg)      \
 139         __asm__(".stabs \"" msg "\",30,0,0,0");         \
 140         __asm__(".stabs \"_" #sym "\",1,0,0,0")
 141 #else
 142 #define __weak_reference(sym,alias)     \
 143         __asm__(".stabs \"_/**/alias\",11,0,0,0");      \
 144         __asm__(".stabs \"_/**/sym\",1,0,0,0")
 145 #define __warn_references(sym,msg)      \
 146         __asm__(".stabs msg,30,0,0,0");                 \
 147         __asm__(".stabs \"_/**/sym\",1,0,0,0")
 148 #endif
 149 #endif
 150
 151 #endif /* !_SYS_CDEFS_H_ */