Home | History | Annotate | Download | only in libxml2
      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(__OS400__)
     52 # define TRIO_PLATFORM_OS400
     53 #elif defined(unix) || defined(__unix) || defined(__unix__)
     54 # define TRIO_PLATFORM_UNIX
     55 #elif defined(TRIO_COMPILER_XLC) || defined(_AIX)
     56 # define TRIO_PLATFORM_UNIX
     57 #elif defined(TRIO_COMPILER_DECC) || defined(__osf___)
     58 # define TRIO_PLATFORM_UNIX
     59 #elif defined(__NetBSD__)
     60 # define TRIO_PLATFORM_UNIX
     61 #elif defined(__Lynx__)
     62 # define TRIO_PLATFORM_UNIX
     63 #elif defined(__QNX__)
     64 # define TRIO_PLATFORM_UNIX
     65 # define TRIO_PLATFORM_QNX
     66 #elif defined(__CYGWIN__)
     67 # define TRIO_PLATFORM_UNIX
     68 #elif defined(AMIGA) && defined(TRIO_COMPILER_GCC)
     69 # define TRIO_PLATFORM_UNIX
     70 #elif defined(TRIO_COMPILER_MSVC) || defined(WIN32) || defined(_WIN32)
     71 # define TRIO_PLATFORM_WIN32
     72 #elif defined(mpeix) || defined(__mpexl)
     73 # define TRIO_PLATFORM_MPEIX
     74 #endif
     75 
     76 #if defined(_AIX)
     77 # define TRIO_PLATFORM_AIX
     78 #elif defined(__hpux)
     79 # define TRIO_PLATFORM_HPUX
     80 #elif defined(sun) || defined(__sun__)
     81 # if defined(__SVR4) || defined(__svr4__)
     82 #  define TRIO_PLATFORM_SOLARIS
     83 # else
     84 #  define TRIO_PLATFORM_SUNOS
     85 # endif
     86 #endif
     87 
     88 #if defined(__STDC__) || defined(TRIO_COMPILER_MSVC) || defined(TRIO_COMPILER_BCB)
     89 # define TRIO_COMPILER_SUPPORTS_C89
     90 # if defined(__STDC_VERSION__)
     91 #  define TRIO_COMPILER_SUPPORTS_C90
     92 #  if (__STDC_VERSION__ >= 199409L)
     93 #   define TRIO_COMPILER_SUPPORTS_C94
     94 #  endif
     95 #  if (__STDC_VERSION__ >= 199901L)
     96 #   define TRIO_COMPILER_SUPPORTS_C99
     97 #  endif
     98 # elif defined(TRIO_COMPILER_SUNPRO)
     99 #  if (__SUNPRO_C >= 0x420)
    100 #   define TRIO_COMPILER_SUPPORTS_C94
    101 #  endif
    102 # endif
    103 #elif defined(TRIO_COMPILER_XLC) && defined(__EXTENDED__)
    104 # define TRIO_COMPILER_SUPPORTS_C89
    105 # define TRIO_COMPILER_SUPPORTS_C90
    106 # define TRIO_COMPILER_SUPPORTS_C94
    107 #endif
    108 
    109 #if defined(_XOPEN_SOURCE)
    110 # if defined(_XOPEN_SOURCE_EXTENDED)
    111 #  define TRIO_COMPILER_SUPPORTS_UNIX95
    112 # endif
    113 # if (_XOPEN_VERSION >= 500)
    114 #  define TRIO_COMPILER_SUPPORTS_UNIX98
    115 # endif
    116 # if (_XOPEN_VERSION >= 600)
    117 #  define TRIO_COMPILER_SUPPORTS_UNIX01
    118 # endif
    119 #endif
    120 
    121 /*************************************************************************
    122  * Generic defines
    123  */
    124 
    125 #if !defined(TRIO_PUBLIC)
    126 # define TRIO_PUBLIC
    127 #endif
    128 #if !defined(TRIO_PRIVATE)
    129 # define TRIO_PRIVATE static
    130 #endif
    131 
    132 #if !(defined(TRIO_COMPILER_SUPPORTS_C89) || defined(__cplusplus))
    133 # define TRIO_COMPILER_ANCIENT
    134 #endif
    135 
    136 #if defined(TRIO_COMPILER_ANCIENT)
    137 # define TRIO_CONST
    138 # define TRIO_VOLATILE
    139 # define TRIO_SIGNED
    140 typedef double trio_long_double_t;
    141 typedef char * trio_pointer_t;
    142 # define TRIO_SUFFIX_LONG(x) x
    143 # define TRIO_PROTO(x) ()
    144 # define TRIO_NOARGS
    145 # define TRIO_ARGS1(list,a1) list a1;
    146 # define TRIO_ARGS2(list,a1,a2) list a1; a2;
    147 # define TRIO_ARGS3(list,a1,a2,a3) list a1; a2; a3;
    148 # define TRIO_ARGS4(list,a1,a2,a3,a4) list a1; a2; a3; a4;
    149 # define TRIO_ARGS5(list,a1,a2,a3,a4,a5) list a1; a2; a3; a4; a5;
    150 # define TRIO_ARGS6(list,a1,a2,a3,a4,a5,a6) list a1; a2; a3; a4; a5; a6;
    151 # define TRIO_VARGS2(list,a1,a2) list a1; a2
    152 # define TRIO_VARGS3(list,a1,a2,a3) list a1; a2; a3
    153 # define TRIO_VARGS4(list,a1,a2,a3,a4) list a1; a2; a3; a4
    154 # define TRIO_VARGS5(list,a1,a2,a3,a4,a5) list a1; a2; a3; a4; a5
    155 # define TRIO_VA_DECL va_dcl
    156 # define TRIO_VA_START(x,y) va_start(x)
    157 # define TRIO_VA_END(x) va_end(x)
    158 #else /* ANSI C */
    159 # define TRIO_CONST const
    160 # define TRIO_VOLATILE volatile
    161 # define TRIO_SIGNED signed
    162 typedef long double trio_long_double_t;
    163 typedef void * trio_pointer_t;
    164 # define TRIO_SUFFIX_LONG(x) x ## L
    165 # define TRIO_PROTO(x) x
    166 # define TRIO_NOARGS void
    167 # define TRIO_ARGS1(list,a1) (a1)
    168 # define TRIO_ARGS2(list,a1,a2) (a1,a2)
    169 # define TRIO_ARGS3(list,a1,a2,a3) (a1,a2,a3)
    170 # define TRIO_ARGS4(list,a1,a2,a3,a4) (a1,a2,a3,a4)
    171 # define TRIO_ARGS5(list,a1,a2,a3,a4,a5) (a1,a2,a3,a4,a5)
    172 # define TRIO_ARGS6(list,a1,a2,a3,a4,a5,a6) (a1,a2,a3,a4,a5,a6)
    173 # define TRIO_VARGS2 TRIO_ARGS2
    174 # define TRIO_VARGS3 TRIO_ARGS3
    175 # define TRIO_VARGS4 TRIO_ARGS4
    176 # define TRIO_VARGS5 TRIO_ARGS5
    177 # define TRIO_VA_DECL ...
    178 # define TRIO_VA_START(x,y) va_start(x,y)
    179 # define TRIO_VA_END(x) va_end(x)
    180 #endif
    181 
    182 #if defined(TRIO_COMPILER_SUPPORTS_C99) || defined(__cplusplus)
    183 # define TRIO_INLINE inline
    184 #elif defined(TRIO_COMPILER_GCC)
    185 # define TRIO_INLINE __inline__
    186 #elif defined(TRIO_COMPILER_MSVC)
    187 # define TRIO_INLINE _inline
    188 #elif defined(TRIO_COMPILER_BCB)
    189 # define TRIO_INLINE __inline
    190 #else
    191 # define TRIO_INLINE
    192 #endif
    193 
    194 /*************************************************************************
    195  * Workarounds
    196  */
    197 
    198 #if defined(TRIO_PLATFORM_VMS)
    199 /*
    200  * Computations done with constants at compile time can trigger these
    201  * even when compiling with IEEE enabled.
    202  */
    203 # pragma message disable (UNDERFLOW, FLOATOVERFL)
    204 
    205 # if (__CRTL_VER < 80000000)
    206 /*
    207  * Although the compiler supports C99 language constructs, the C
    208  * run-time library does not contain all C99 functions.
    209  *
    210  * This was the case for 70300022. Update the 80000000 value when
    211  * it has been accurately determined what version of the library
    212  * supports C99.
    213  */
    214 #  if defined(TRIO_COMPILER_SUPPORTS_C99)
    215 #   undef TRIO_COMPILER_SUPPORTS_C99
    216 #  endif
    217 # endif
    218 #endif
    219 
    220 /*
    221  * Not all preprocessors supports the LL token.
    222  */
    223 #if defined(TRIO_COMPILER_BCB)
    224 #else
    225 # define TRIO_COMPILER_SUPPORTS_LL
    226 #endif
    227 
    228 #endif /* TRIO_TRIODEF_H */
    229