cdefs.h
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- /*
- * ++Copyright++ 1991, 1993
- * -
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- * -
- * --Copyright
- */
- /*
- * @(#)cdefs.h 8.1 (Berkeley) 6/2/93
- * $Id: cdefs.h,v 1.5 1999/02/13 23:21:58 momjian Exp $
- */
- #ifndef _CDEFS_H_
- #define _CDEFS_H_
- #if defined(__cplusplus)
- #define __BEGIN_DECLS extern "C" {
- #define __END_DECLS };
- #else
- #define __BEGIN_DECLS
- #define __END_DECLS
- #endif
- /*
- * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
- * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
- * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
- * in between its arguments. __CONCAT can also concatenate double-quoted
- * strings produced by the __STRING macro, but this only works with ANSI C.
- */
- #if defined(__STDC__) || defined(__cplusplus)
- /*
- * Some headers in the Linux C library define __P the same as here,
- * but with different argument variable name. This causes a compiler
- * warning! So we avoid the redefinition.
- */
- #if !defined(__P)
- #define __P(protos) protos /* full-blown ANSI C */
- #endif
- #define __CONCAT(x,y) x ## y
- #define __STRING(x) #x
- #define __const const /* define reserved names to standard */
- #define __signed signed
- #define __volatile volatile
- #if defined(__cplusplus)
- #define __inline inline /* convert to C++ keyword */
- #else
- #ifndef __GNUC__
- #define __inline /* delete GCC keyword */
- #endif /* !__GNUC__ */
- #endif /* !__cplusplus */
- #else /* !(__STDC__ || __cplusplus) */
- #define __P(protos) () /* traditional C preprocessor */
- #define __CONCAT(x,y) x/**/y
- #define __STRING(x) "x"
- #ifndef __GNUC__
- #define __const /* delete pseudo-ANSI C keywords */
- #define __inline
- #define __signed
- #define __volatile
- /*
- * In non-ANSI C environments, new programs will want ANSI-only C keywords
- * deleted from the program and old programs will want them left alone.
- * When using a compiler other than gcc, programs using the ANSI C keywords
- * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
- * When using "gcc -traditional", we assume that this is the intent; if
- * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
- */
- #ifndef NO_ANSI_KEYWORDS
- #define const /* delete ANSI C keywords */
- #define inline
- #define signed
- #define volatile
- #endif
- #endif /* !__GNUC__ */
- #endif /* !(__STDC__ || __cplusplus) */
- /*
- * GCC1 and some versions of GCC2 declare dead (non-returning) and
- * pure (no side effects) functions using "volatile" and "const";
- * unfortunately, these then cause warnings under "-ansi -pedantic".
- * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
- * these work for GNU C++ (modulo a slight glitch in the C++ grammar
- * in the distribution version of 2.5.5).
- */
- #if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5
- #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */
- #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
- #define __dead __volatile
- #define __pure __const
- #endif
- #endif
- /* Delete pseudo-keywords wherever they are not available or needed. */
- #ifndef __dead
- #define __dead
- #define __pure
- #endif
- #endif /* !_CDEFS_H_ */