nkeynes@185: /* Provide support for both ANSI and non-ANSI environments.  */
nkeynes@185: 
nkeynes@185: /* Some ANSI environments are "broken" in the sense that __STDC__ cannot be
nkeynes@185:    relied upon to have it's intended meaning.  Therefore we must use our own
nkeynes@185:    concoction: _HAVE_STDC.  Always use _HAVE_STDC instead of __STDC__ in newlib
nkeynes@185:    sources!
nkeynes@185: 
nkeynes@185:    To get a strict ANSI C environment, define macro __STRICT_ANSI__.  This will
nkeynes@185:    "comment out" the non-ANSI parts of the ANSI header files (non-ANSI header
nkeynes@185:    files aren't affected).  */
nkeynes@185: 
nkeynes@185: #ifndef	_ANSIDECL_H_
nkeynes@185: #define	_ANSIDECL_H_
nkeynes@185: 
nkeynes@185: #include <sys/config.h>
nkeynes@185: 
nkeynes@185: /* First try to figure out whether we really are in an ANSI C environment.  */
nkeynes@185: /* FIXME: This probably needs some work.  Perhaps sys/config.h can be
nkeynes@185:    prevailed upon to give us a clue.  */
nkeynes@185: 
nkeynes@185: #ifdef __STDC__
nkeynes@185: #define _HAVE_STDC
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #ifdef _HAVE_STDC
nkeynes@185: #define	_PTR		void *
nkeynes@185: #define	_AND		,
nkeynes@185: #define	_NOARGS		void
nkeynes@185: #define	_CONST		const
nkeynes@185: #define	_VOLATILE	volatile
nkeynes@185: #define	_SIGNED		signed
nkeynes@185: #define	_DOTS		, ...
nkeynes@185: #define _VOID void
nkeynes@185: #define	_EXFUN(name, proto)		name proto
nkeynes@185: #define	_DEFUN(name, arglist, args)	name(args)
nkeynes@185: #define	_DEFUN_VOID(name)		name(_NOARGS)
nkeynes@185: #define _CAST_VOID (void)
nkeynes@185: #ifndef _LONG_DOUBLE
nkeynes@185: #define _LONG_DOUBLE long double
nkeynes@185: #endif
nkeynes@185: #ifndef _PARAMS
nkeynes@185: #define _PARAMS(paramlist)		paramlist
nkeynes@185: #endif
nkeynes@185: #else	
nkeynes@185: #define	_PTR		char *
nkeynes@185: #define	_AND		;
nkeynes@185: #define	_NOARGS
nkeynes@185: #define	_CONST
nkeynes@185: #define	_VOLATILE
nkeynes@185: #define	_SIGNED
nkeynes@185: #define	_DOTS
nkeynes@185: #define _VOID void
nkeynes@185: #define	_EXFUN(name, proto)		name()
nkeynes@185: #define	_DEFUN(name, arglist, args)	name arglist args;
nkeynes@185: #define	_DEFUN_VOID(name)		name()
nkeynes@185: #define _CAST_VOID
nkeynes@185: #define _LONG_DOUBLE double
nkeynes@185: #ifndef _PARAMS
nkeynes@185: #define _PARAMS(paramlist)		()
nkeynes@185: #endif
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: /* Support gcc's __attribute__ facility.  */
nkeynes@185: 
nkeynes@185: #ifdef __GNUC__
nkeynes@185: #define _ATTRIBUTE(attrs) __attribute__ (attrs)
nkeynes@185: #else
nkeynes@185: #define _ATTRIBUTE(attrs)
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #endif /* _ANSIDECL_H_ */