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      1 /*************************************************************************
      2  *
      3  * $Id$
      4  *
      5  * Copyright (C) 2001 Bjorn Reese <breese (at) users.sourceforge.net>
      6  *
      7  * Permission to use, copy, modify, and distribute this software for any
      8  * purpose with or without fee is hereby granted, provided that the above
      9  * copyright notice and this permission notice appear in all copies.
     10  *
     11  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
     12  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
     13  * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND
     14  * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER.
     15  *
     16  ************************************************************************/
     17 
     18 #ifndef TRIO_TRIODEF_H
     19 #define TRIO_TRIODEF_H
     20 
     21 /*************************************************************************
     22  * Platform and compiler support detection
     23  */
     24 #if defined(__GNUC__)
     25 # define TRIO_COMPILER_GCC
     26 #elif defined(__SUNPRO_C)
     27 # define TRIO_COMPILER_SUNPRO
     28 #elif defined(__SUNPRO_CC)
     29 # define TRIO_COMPILER_SUNPRO
     30 # define __SUNPRO_C __SUNPRO_CC
     31 #elif defined(__xlC__) || defined(__IBMC__) || defined(__IBMCPP__)
     32 # define TRIO_COMPILER_XLC
     33 #elif defined(_AIX) && !defined(__GNUC__)
     34 # define TRIO_COMPILER_XLC /* Workaround for old xlc */
     35 #elif defined(__DECC) || defined(__DECCXX)
     36 # define TRIO_COMPILER_DECC
     37 #elif defined(__osf__) && defined(__LANGUAGE_C__)
     38 # define TRIO_COMPILER_DECC /* Workaround for old DEC C compilers */
     39 #elif defined(_MSC_VER)
     40 # define TRIO_COMPILER_MSVC
     41 #elif defined(__BORLANDC__)
     42 # define TRIO_COMPILER_BCB
     43 #endif
     44 
     45 #if defined(VMS) || defined(__VMS)
     46 /*
     47  * VMS is placed first to avoid identifying the platform as Unix
     48  * based on the DECC compiler later on.
     49  */
     50 # define TRIO_PLATFORM_VMS
     51 #elif defined(unix) || defined(__unix) || defined(__unix__)
     52 # define TRIO_PLATFORM_UNIX
     53 #elif defined(TRIO_COMPILER_XLC) || defined(_AIX)
     54 # define TRIO_PLATFORM_UNIX
     55 #elif defined(TRIO_COMPILER_DECC) || defined(__osf___)
     56 # define TRIO_PLATFORM_UNIX
     57 #elif defined(__NetBSD__)
     58 # define TRIO_PLATFORM_UNIX
     59 #elif defined(__Lynx__)
     60 # define TRIO_PLATFORM_UNIX
     61 #elif defined(__QNX__)
     62 # define TRIO_PLATFORM_UNIX
     63 # define TRIO_PLATFORM_QNX
     64 #elif defined(__CYGWIN__)
     65 # define TRIO_PLATFORM_UNIX
     66 #elif defined(AMIGA) && defined(TRIO_COMPILER_GCC)
     67 # define TRIO_PLATFORM_UNIX
     68 #elif defined(TRIO_COMPILER_MSVC) || defined(WIN32) || defined(_WIN32)
     69 # define TRIO_PLATFORM_WIN32
     70 #elif defined(mpeix) || defined(__mpexl)
     71 # define TRIO_PLATFORM_MPEIX
     72 #endif
     73 
     74 #if defined(_AIX)
     75 # define TRIO_PLATFORM_AIX
     76 #elif defined(__hpux)
     77 # define TRIO_PLATFORM_HPUX
     78 #elif defined(sun) || defined(__sun__)
     79 # if defined(__SVR4) || defined(__svr4__)
     80 #  define TRIO_PLATFORM_SOLARIS
     81 # else
     82 #  define TRIO_PLATFORM_SUNOS
     83 # endif
     84 #endif
     85 
     86 #if defined(__STDC__) || defined(TRIO_COMPILER_MSVC) || defined(TRIO_COMPILER_BCB)
     87 # define TRIO_COMPILER_SUPPORTS_C89
     88 # if defined(__STDC_VERSION__)
     89 #  define TRIO_COMPILER_SUPPORTS_C90
     90 #  if (__STDC_VERSION__ >= 199409L)
     91 #   define TRIO_COMPILER_SUPPORTS_C94
     92 #  endif
     93 #  if (__STDC_VERSION__ >= 199901L)
     94 #   define TRIO_COMPILER_SUPPORTS_C99
     95 #  endif
     96 # elif defined(TRIO_COMPILER_SUNPRO)
     97 #  if (__SUNPRO_C >= 0x420)
     98 #   define TRIO_COMPILER_SUPPORTS_C94
     99 #  endif
    100 # endif
    101 #endif
    102 
    103 #if defined(_XOPEN_SOURCE)
    104 # if defined(_XOPEN_SOURCE_EXTENDED)
    105 #  define TRIO_COMPILER_SUPPORTS_UNIX95
    106 # endif
    107 # if (_XOPEN_VERSION >= 500)
    108 #  define TRIO_COMPILER_SUPPORTS_UNIX98
    109 # endif
    110 # if (_XOPEN_VERSION >= 600)
    111 #  define TRIO_COMPILER_SUPPORTS_UNIX01
    112 # endif
    113 #endif
    114 
    115 /*************************************************************************
    116  * Generic defines
    117  */
    118 
    119 #if !defined(TRIO_PUBLIC)
    120 # define TRIO_PUBLIC
    121 #endif
    122 #if !defined(TRIO_PRIVATE)
    123 # define TRIO_PRIVATE static
    124 #endif
    125 
    126 #if !(defined(TRIO_COMPILER_SUPPORTS_C89) || defined(__cplusplus))
    127 # define TRIO_COMPILER_ANCIENT
    128 #endif
    129 
    130 #if defined(TRIO_COMPILER_ANCIENT)
    131 # define TRIO_CONST
    132 # define TRIO_VOLATILE
    133 # define TRIO_SIGNED
    134 typedef double trio_long_double_t;
    135 typedef char * trio_pointer_t;
    136 # define TRIO_SUFFIX_LONG(x) x
    137 # define TRIO_PROTO(x) ()
    138 # define TRIO_NOARGS
    139 # define TRIO_ARGS1(list,a1) list a1;
    140 # define TRIO_ARGS2(list,a1,a2) list a1; a2;
    141 # define TRIO_ARGS3(list,a1,a2,a3) list a1; a2; a3;
    142 # define TRIO_ARGS4(list,a1,a2,a3,a4) list a1; a2; a3; a4;
    143 # define TRIO_ARGS5(list,a1,a2,a3,a4,a5) list a1; a2; a3; a4; a5;
    144 # define TRIO_ARGS6(list,a1,a2,a3,a4,a5,a6) list a1; a2; a3; a4; a5; a6;
    145 # define TRIO_VARGS2(list,a1,a2) list a1; a2
    146 # define TRIO_VARGS3(list,a1,a2,a3) list a1; a2; a3
    147 # define TRIO_VARGS4(list,a1,a2,a3,a4) list a1; a2; a3; a4
    148 # define TRIO_VARGS5(list,a1,a2,a3,a4,a5) list a1; a2; a3; a4; a5
    149 # define TRIO_VA_DECL va_dcl
    150 # define TRIO_VA_START(x,y) va_start(x)
    151 # define TRIO_VA_END(x) va_end(x)
    152 #else /* ANSI C */
    153 # define TRIO_CONST const
    154 # define TRIO_VOLATILE volatile
    155 # define TRIO_SIGNED signed
    156 typedef long double trio_long_double_t;
    157 typedef void * trio_pointer_t;
    158 # define TRIO_SUFFIX_LONG(x) x ## L
    159 # define TRIO_PROTO(x) x
    160 # define TRIO_NOARGS void
    161 # define TRIO_ARGS1(list,a1) (a1)
    162 # define TRIO_ARGS2(list,a1,a2) (a1,a2)
    163 # define TRIO_ARGS3(list,a1,a2,a3) (a1,a2,a3)
    164 # define TRIO_ARGS4(list,a1,a2,a3,a4) (a1,a2,a3,a4)
    165 # define TRIO_ARGS5(list,a1,a2,a3,a4,a5) (a1,a2,a3,a4,a5)
    166 # define TRIO_ARGS6(list,a1,a2,a3,a4,a5,a6) (a1,a2,a3,a4,a5,a6)
    167 # define TRIO_VARGS2 TRIO_ARGS2
    168 # define TRIO_VARGS3 TRIO_ARGS3
    169 # define TRIO_VARGS4 TRIO_ARGS4
    170 # define TRIO_VARGS5 TRIO_ARGS5
    171 # define TRIO_VA_DECL ...
    172 # define TRIO_VA_START(x,y) va_start(x,y)
    173 # define TRIO_VA_END(x) va_end(x)
    174 #endif
    175 
    176 #if defined(TRIO_COMPILER_SUPPORTS_C99) || defined(__cplusplus)
    177 # define TRIO_INLINE inline
    178 #elif defined(TRIO_COMPILER_GCC)
    179 # define TRIO_INLINE __inline__
    180 #elif defined(TRIO_COMPILER_MSVC)
    181 # define TRIO_INLINE _inline
    182 #elif defined(TRIO_COMPILER_BCB)
    183 # define TRIO_INLINE __inline
    184 #else
    185 # define TRIO_INLINE
    186 #endif
    187 
    188 /*************************************************************************
    189  * Workarounds
    190  */
    191 
    192 #if defined(TRIO_PLATFORM_VMS)
    193 /*
    194  * Computations done with constants at compile time can trigger these
    195  * even when compiling with IEEE enabled.
    196  */
    197 # pragma message disable (UNDERFLOW, FLOATOVERFL)
    198 
    199 # if (__CRTL_VER < 80000000)
    200 /*
    201  * Although the compiler supports C99 language constructs, the C
    202  * run-time library does not contain all C99 functions.
    203  *
    204  * This was the case for 70300022. Update the 80000000 value when
    205  * it has been accurately determined what version of the library
    206  * supports C99.
    207  */
    208 #  if defined(TRIO_COMPILER_SUPPORTS_C99)
    209 #   undef TRIO_COMPILER_SUPPORTS_C99
    210 #  endif
    211 # endif
    212 #endif
    213 
    214 /*
    215  * Not all preprocessors supports the LL token.
    216  */
    217 #if defined(TRIO_COMPILER_BCB)
    218 #else
    219 # define TRIO_COMPILER_SUPPORTS_LL
    220 #endif
    221 
    222 #endif /* TRIO_TRIODEF_H */
    223