cfad47cfa3/src/common.h

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4b825dc642cb6eb9a060e54bf8d69288fbee4904cfad47cfa334b206c65f22086bcc5d63e6f70944
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#ifndef COMMON_H



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#define COMMON_H



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#ifdef HAVE_CONFIG_H



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#include <config.h>



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#endif



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/* ushort, uint, and ulong are usually in <sys/types.h>



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 */



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#ifdef HAVE_SYS_TYPES_H



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#include <sys/types.h>



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#endif



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/* Check for the existence of uchar, ushort, uint and ulong and define



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 * the appropriate OS_*_DEFINED macros.



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 */



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#ifdef __cplusplus



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#ifdef CXX_UCHAR_DEFINED



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#define OS_UCHAR_DEFINED



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#endif



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#ifdef CXX_USHORT_DEFINED



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#define OS_USHORT_DEFINED



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#endif



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#ifdef CXX_UINT_DEFINED



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#define OS_UINT_DEFINED



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#endif



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#ifdef CXX_ULONG_DEFINED



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#define OS_ULONG_DEFINED



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#endif



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#else /* !__cplusplus */



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#ifdef C_UCHAR_DEFINED



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#define OS_UCHAR_DEFINED



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#endif



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#ifdef C_USHORT_DEFINED



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#define OS_USHORT_DEFINED



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#endif



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#ifdef C_UINT_DEFINED



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#define OS_UINT_DEFINED



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#endif



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#ifdef C_ULONG_DEFINED



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#define OS_ULONG_DEFINED



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#endif



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#endif /* __cplusplus */



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/* The intention is to work around a bug on old systems where we cannot



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 * include both <time.h> and <sys/time.h>.  Anyway, for now, this does



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 * not work, since the TADS base code includes <time.h> on its own.



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 * This may be fixed in the future though.



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 */



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#ifdef __cplusplus



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extern "C" {



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#endif



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#if TIME_WITH_SYS_TIME



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# include <sys/time.h>



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# include <time.h>



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#else



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# if HAVE_SYS_TIME_H



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#  include <sys/time.h>



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# else



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#  include <time.h>



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# endif



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#endif



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#ifdef __cplusplus



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}



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#endif



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#ifdef __cplusplus



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// Define the "and", "or" and "not" keywords if the C++ compiler lacks



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// them.  Normally, if just one of them is available, the others are



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// too.  But there is no harm in checking them individually.  We only



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// define them when compiling C++, since a) these keywords are not valid



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// in C and b) some C compilers define them either for convenience or to



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// support C99.



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#ifndef HAVE_AND_KEYWORD



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#define and &&



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#endif



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#ifndef HAVE_OR_KEYWORD



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#define or ||



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#endif



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#ifndef HAVE_NOT_KEYWORD



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#define not !



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#endif



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// For casting, C++ code should *not* use X_cast<type>(value) but rather



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// X_cast(type)(value).  If the compiler supports the X_cast keywords,



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// we define the X_cast macros to use the right syntax.  If not, we make



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// them use old-style syntax.



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#ifdef HAVE_STATIC_CAST



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#define static_cast(a) static_cast<a>



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#else



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#define static_cast(a) (a)



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#endif



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#ifdef HAVE_DYNAMIC_CAST



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#define dynamic_cast(a) dynamic_cast<a>



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#else



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#define dynamic_cast(a) (a)



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#endif



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#ifdef HAVE_REINTERPRET_CAST



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#define reinterpret_cast(a) reinterpret_cast<a>



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#else



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#define reinterpret_cast(a) (a)



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#endif



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#ifndef HAVE_BOOL



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// The C++ compiler lacks "bool".  Define it.  We do not use macros for



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// this; with an enum and typedef we always have the same type-safety as



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// with a compiler that has native bool-support.  Implicit casts to



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// "int" still work as they should.



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enum booleanValues { false, true };



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typedef enum booleanValues bool;



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#endif



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#endif /* __cplusplus */



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#endif /* COMMON_H */