xref: /onnv-gate/usr/src/lib/libldap4/include/cdefs.h (revision 3857:21b9b714e4ab)
10Sstevel@tonic-gate /*
2*3857Sstevel  * Portions Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
3*3857Sstevel  * Use is subject to license terms.
40Sstevel@tonic-gate  */
50Sstevel@tonic-gate 
60Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
70Sstevel@tonic-gate 
80Sstevel@tonic-gate /*
90Sstevel@tonic-gate  * Copyright (c) 1991, 1993
100Sstevel@tonic-gate  *	The Regents of the University of California.  All rights reserved.
110Sstevel@tonic-gate  *
120Sstevel@tonic-gate  * This code is derived from software contributed to Berkeley by
130Sstevel@tonic-gate  * Berkeley Software Design, Inc.
140Sstevel@tonic-gate  *
150Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
160Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
170Sstevel@tonic-gate  * are met:
180Sstevel@tonic-gate  * 1. Redistributions of source code must retain the above copyright
190Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
200Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
210Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
220Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
230Sstevel@tonic-gate  * 3. All advertising materials mentioning features or use of this software
240Sstevel@tonic-gate  *    must display the following acknowledgement:
250Sstevel@tonic-gate  *	This product includes software developed by the University of
260Sstevel@tonic-gate  *	California, Berkeley and its contributors.
270Sstevel@tonic-gate  * 4. Neither the name of the University nor the names of its contributors
280Sstevel@tonic-gate  *    may be used to endorse or promote products derived from this software
290Sstevel@tonic-gate  *    without specific prior written permission.
300Sstevel@tonic-gate  *
310Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
320Sstevel@tonic-gate  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
330Sstevel@tonic-gate  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
340Sstevel@tonic-gate  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
350Sstevel@tonic-gate  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
360Sstevel@tonic-gate  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
370Sstevel@tonic-gate  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
380Sstevel@tonic-gate  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
390Sstevel@tonic-gate  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
400Sstevel@tonic-gate  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
410Sstevel@tonic-gate  * SUCH DAMAGE.
420Sstevel@tonic-gate  *
430Sstevel@tonic-gate  *	@(#)cdefs.h	8.7 (Berkeley) 1/21/94
440Sstevel@tonic-gate  */
450Sstevel@tonic-gate 
460Sstevel@tonic-gate #ifndef	_CDEFS_H_
470Sstevel@tonic-gate #define	_CDEFS_H_
480Sstevel@tonic-gate 
490Sstevel@tonic-gate #if defined(__cplusplus)
500Sstevel@tonic-gate #define	__BEGIN_DECLS	extern "C" {
510Sstevel@tonic-gate #define	__END_DECLS	};
520Sstevel@tonic-gate #else
530Sstevel@tonic-gate #define	__BEGIN_DECLS
540Sstevel@tonic-gate #define	__END_DECLS
550Sstevel@tonic-gate #endif
560Sstevel@tonic-gate 
570Sstevel@tonic-gate /*
580Sstevel@tonic-gate  * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
590Sstevel@tonic-gate  * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
600Sstevel@tonic-gate  * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
610Sstevel@tonic-gate  * in between its arguments.  __CONCAT can also concatenate double-quoted
620Sstevel@tonic-gate  * strings produced by the __STRING macro, but this only works with ANSI C.
630Sstevel@tonic-gate  */
640Sstevel@tonic-gate #if defined(__STDC__) || defined(__cplusplus)
650Sstevel@tonic-gate #define	__P(protos)	protos		/* full-blown ANSI C */
660Sstevel@tonic-gate #define	__CONCAT(x,y)	x ## y
670Sstevel@tonic-gate #define	__STRING(x)	#x
680Sstevel@tonic-gate 
690Sstevel@tonic-gate #define	__const		const		/* define reserved names to standard */
700Sstevel@tonic-gate #define	__signed	signed
710Sstevel@tonic-gate #define	__volatile	volatile
720Sstevel@tonic-gate #if defined(__cplusplus)
730Sstevel@tonic-gate #define	__inline	inline		/* convert to C++ keyword */
740Sstevel@tonic-gate #else
750Sstevel@tonic-gate #ifndef __GNUC__
760Sstevel@tonic-gate #define	__inline			/* delete GCC keyword */
770Sstevel@tonic-gate #endif /* !__GNUC__ */
780Sstevel@tonic-gate #endif /* !__cplusplus */
790Sstevel@tonic-gate 
800Sstevel@tonic-gate #else	/* !(__STDC__ || __cplusplus) */
810Sstevel@tonic-gate #define	__P(protos)	()		/* traditional C preprocessor */
820Sstevel@tonic-gate #define	__CONCAT(x,y)	x/**/y
830Sstevel@tonic-gate #define	__STRING(x)	"x"
840Sstevel@tonic-gate 
850Sstevel@tonic-gate #ifndef __GNUC__
860Sstevel@tonic-gate #define	__const				/* delete pseudo-ANSI C keywords */
870Sstevel@tonic-gate #define	__inline
880Sstevel@tonic-gate #define	__signed
890Sstevel@tonic-gate #define	__volatile
900Sstevel@tonic-gate /*
910Sstevel@tonic-gate  * In non-ANSI C environments, new programs will want ANSI-only C keywords
920Sstevel@tonic-gate  * deleted from the program and old programs will want them left alone.
930Sstevel@tonic-gate  * When using a compiler other than gcc, programs using the ANSI C keywords
940Sstevel@tonic-gate  * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
950Sstevel@tonic-gate  * When using "gcc -traditional", we assume that this is the intent; if
960Sstevel@tonic-gate  * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
970Sstevel@tonic-gate  */
980Sstevel@tonic-gate #ifndef	NO_ANSI_KEYWORDS
990Sstevel@tonic-gate #define	const				/* delete ANSI C keywords */
1000Sstevel@tonic-gate #define	inline
1010Sstevel@tonic-gate #define	signed
1020Sstevel@tonic-gate #define	volatile
1030Sstevel@tonic-gate #endif
1040Sstevel@tonic-gate #endif	/* !__GNUC__ */
1050Sstevel@tonic-gate #endif	/* !(__STDC__ || __cplusplus) */
1060Sstevel@tonic-gate 
1070Sstevel@tonic-gate /*
1080Sstevel@tonic-gate  * GCC1 and some versions of GCC2 declare dead (non-returning) and
1090Sstevel@tonic-gate  * pure (no side effects) functions using "volatile" and "const";
1100Sstevel@tonic-gate  * unfortunately, these then cause warnings under "-ansi -pedantic".
1110Sstevel@tonic-gate  * GCC2 uses a new, peculiar __attribute__((attrs)) style.  All of
1120Sstevel@tonic-gate  * these work for GNU C++ (modulo a slight glitch in the C++ grammar
1130Sstevel@tonic-gate  * in the distribution version of 2.5.5).
1140Sstevel@tonic-gate  */
1150Sstevel@tonic-gate #if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5
1160Sstevel@tonic-gate #define	__attribute__(x)	/* delete __attribute__ if non-gcc or gcc1 */
1170Sstevel@tonic-gate #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
1180Sstevel@tonic-gate #define	__dead		__volatile
1190Sstevel@tonic-gate #define	__pure		__const
1200Sstevel@tonic-gate #endif
1210Sstevel@tonic-gate #endif
1220Sstevel@tonic-gate 
1230Sstevel@tonic-gate /* Delete pseudo-keywords wherever they are not available or needed. */
1240Sstevel@tonic-gate #ifndef __dead
1250Sstevel@tonic-gate #define	__dead
1260Sstevel@tonic-gate #define	__pure
1270Sstevel@tonic-gate #endif
1280Sstevel@tonic-gate 
1290Sstevel@tonic-gate #endif /* !_CDEFS_H_ */
130