[abb18dc] | 1 | /* Provide support for both ANSI and non-ANSI environments. */ |
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| 2 | |
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| 3 | /* Some ANSI environments are "broken" in the sense that __STDC__ cannot be |
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| 4 | relied upon to have it's intended meaning. Therefore we must use our own |
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| 5 | concoction: _HAVE_STDC. Always use _HAVE_STDC instead of __STDC__ in newlib |
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| 6 | sources! |
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| 7 | |
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| 8 | To get a strict ANSI C environment, define macro __STRICT_ANSI__. This will |
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| 9 | "comment out" the non-ANSI parts of the ANSI header files (non-ANSI header |
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| 10 | files aren't affected). */ |
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| 11 | |
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| 12 | #ifndef _ANSIDECL_H_ |
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| 13 | #define _ANSIDECL_H_ |
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| 14 | |
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| 15 | /* #include <newlib.h> */ |
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| 16 | /* #include <sys/config.h> */ |
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| 17 | |
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| 18 | /* First try to figure out whether we really are in an ANSI C environment. */ |
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| 19 | /* FIXME: This probably needs some work. Perhaps sys/config.h can be |
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| 20 | prevailed upon to give us a clue. */ |
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| 21 | |
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| 22 | #ifdef __STDC__ |
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| 23 | #define _HAVE_STDC |
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| 24 | #endif |
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| 25 | |
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| 26 | #ifdef _HAVE_STDC |
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| 27 | #define _PTR void * |
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| 28 | #define _AND , |
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| 29 | #define _NOARGS void |
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| 30 | #define _CONST const |
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| 31 | #define _VOLATILE volatile |
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| 32 | #define _SIGNED signed |
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| 33 | #define _DOTS , ... |
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| 34 | #define _VOID void |
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| 35 | #ifdef __CYGWIN__ |
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| 36 | #define _EXFUN(name, proto) __cdecl name proto |
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| 37 | #define _EXPARM(name, proto) (* __cdecl name) proto |
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| 38 | #else |
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| 39 | #define _EXFUN(name, proto) name proto |
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| 40 | #define _EXPARM(name, proto) (* name) proto |
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| 41 | #endif |
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| 42 | #define _DEFUN(name, arglist, args) name(args) |
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| 43 | #define _DEFUN_VOID(name) name(_NOARGS) |
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| 44 | #define _CAST_VOID (void) |
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| 45 | #ifndef _LONG_DOUBLE |
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| 46 | #define _LONG_DOUBLE long double |
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| 47 | #endif |
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| 48 | #ifndef _LONG_LONG |
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| 49 | #define _LONG_LONG long long |
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| 50 | #endif |
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| 51 | #ifndef _PARAMS |
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| 52 | #define _PARAMS(paramlist) paramlist |
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| 53 | #endif |
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| 54 | #else |
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| 55 | #define _PTR char * |
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| 56 | #define _AND ; |
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| 57 | #define _NOARGS |
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| 58 | #define _CONST |
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| 59 | #define _VOLATILE |
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| 60 | #define _SIGNED |
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| 61 | #define _DOTS |
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| 62 | #define _VOID void |
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| 63 | #define _EXFUN(name, proto) name() |
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| 64 | #define _DEFUN(name, arglist, args) name arglist args; |
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| 65 | #define _DEFUN_VOID(name) name() |
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| 66 | #define _CAST_VOID |
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| 67 | #define _LONG_DOUBLE double |
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| 68 | #define _LONG_LONG long |
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| 69 | #ifndef _PARAMS |
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| 70 | #define _PARAMS(paramlist) () |
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| 71 | #endif |
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| 72 | #endif |
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| 73 | |
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| 74 | /* Support gcc's __attribute__ facility. */ |
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| 75 | |
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| 76 | #ifdef __GNUC__ |
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| 77 | #define _ATTRIBUTE(attrs) __attribute__ (attrs) |
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| 78 | #else |
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| 79 | #define _ATTRIBUTE(attrs) |
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| 80 | #endif |
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| 81 | |
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| 82 | /* ISO C++. */ |
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| 83 | |
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| 84 | #ifdef __cplusplus |
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| 85 | #if !(defined(_BEGIN_STD_C) && defined(_END_STD_C)) |
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| 86 | #ifdef _HAVE_STD_CXX |
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| 87 | #define _BEGIN_STD_C namespace std { extern "C" { |
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| 88 | #define _END_STD_C } } |
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| 89 | #else |
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| 90 | #define _BEGIN_STD_C extern "C" { |
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| 91 | #define _END_STD_C } |
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| 92 | #endif |
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| 93 | #endif |
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| 94 | #else |
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| 95 | #define _BEGIN_STD_C |
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| 96 | #define _END_STD_C |
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| 97 | #endif |
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| 98 | |
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| 99 | #endif /* _ANSIDECL_H_ */ |
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