/* * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright 1995 NeXT Computer, Inc. All rights reserved. */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Berkeley Software Design, Inc. * * 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. * * @(#)cdefs.h 8.8 (Berkeley) 1/9/95 */ #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) #define __P(protos) protos /* full-blown ANSI C */ #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 #endif /* !__GNUC__ */ /* * 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 __const /* convert ANSI C keywords */ #define inline __inline #define signed __signed #define volatile __volatile #endif /* !NO_ANSI_KEYWORDS */ #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(__MWERKS__) && (__MWERKS__ > 0x2400) /* newer Metrowerks compilers support __attribute__() */ #elif __GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 5 #define __dead2 __attribute__((__noreturn__)) #define __pure2 __attribute__((__const__)) #if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 #define __unused /* no attribute */ #else #define __unused __attribute__((__unused__)) #endif #else #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ #if defined(__GNUC__) && !defined(__STRICT_ANSI__) /* __dead and __pure are depreciated. Use __dead2 and __pure2 instead */ #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 #ifndef __dead2 #define __dead2 #define __pure2 #define __unused #endif /* * GCC 2.95 provides `__restrict' as an extension to C90 to support the * C99-specific `restrict' type qualifier. We happen to use `__restrict' as * a way to define the `restrict' type qualifier without disturbing older * software that is unaware of C99 keywords. */ #if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95) #if __STDC_VERSION__ < 199901 #define __restrict #else #define __restrict restrict #endif #endif /* * Compiler-dependent macros to declare that functions take printf-like * or scanf-like arguments. They are null except for versions of gcc * that are known to support the features properly. Functions declared * with these attributes will cause compilation warnings if there is a * mismatch between the format string and subsequent function parameter * types. */ #if __GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 7 #define __printflike(fmtarg, firstvararg) \ __attribute__((__format__ (__printf__, fmtarg, firstvararg))) #define __scanflike(fmtarg, firstvararg) \ __attribute__((__format__ (__scanf__, fmtarg, firstvararg))) #else #define __printflike(fmtarg, firstvararg) #define __scanflike(fmtarg, firstvararg) #endif #define __IDSTRING(name,string) static const char name[] __unused = string #ifndef __COPYRIGHT #define __COPYRIGHT(s) __IDSTRING(copyright,s) #endif #ifndef __RCSID #define __RCSID(s) __IDSTRING(rcsid,s) #endif #ifndef __SCCSID #define __SCCSID(s) __IDSTRING(sccsid,s) #endif #ifndef __PROJECT_VERSION #define __PROJECT_VERSION(s) __IDSTRING(project_version,s) #endif /* * The __DARWIN_ALIAS macros is used to do symbol renaming, * they allow old code to use the old symbol thus maintiang binary * compatability while new code can use a new improved version of the * same function. * * By default newly complied code will actually get the same symbols * that the old code did. Defining any of _APPLE_C_SOURCE, _XOPEN_SOURCE, * or _POSIX_C_SOURCE will give you the new symbols. Defining _XOPEN_SOURCE * or _POSIX_C_SOURCE also restricts the avilable symbols to a subset of * Apple's APIs. * * __DARWIN_ALIAS is used by itself if the function signature has not * changed, it is used along with a #ifdef check for __DARWIN_UNIX03 * if the signature has changed. Because the __LP64__ enviroment * only supports UNIX03 sementics it causes __DARWIN_UNIX03 to be * defined, but causes __DARWIN_ALIAS to do no symbol mangling. */ #if !defined(__DARWIN_UNIX03) #if defined(_APPLE_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_C_SOURCE) || defined(__LP64__) #if defined(_NONSTD_SOURCE) #error "Can't define both _NONSTD_SOURCE and any of _APPLE_C_SOURCE, _XOPEN_SOURCE, _POSIX_C_SOURCE, or __LP64__" #endif /* _NONSTD_SOURCE */ #define __DARWIN_UNIX03 1 #elif defined(_NONSTD_SOURCE) #define __DARWIN_UNIX03 0 #else /* default */ #define __DARWIN_UNIX03 0 #endif /* _APPLE_C_SOURCE || _XOPEN_SOURCE || _POSIX_C_SOURCE || __LP64__ */ #endif /* !__DARWIN_UNIX03 */ #if __DARWIN_UNIX03 && !defined(__LP64__) #define __DARWIN_ALIAS(sym) __asm("_" __STRING(sym) "$UNIX2003") #else #define __DARWIN_ALIAS(sym) #endif /* * POSIX.1 requires that the macros we test be defined before any standard * header file is included. This permits us to convert values for feature * testing, as necessary, using only _POSIX_C_SOURCE. * * Here's a quick run-down of the versions: * defined(_POSIX_SOURCE) 1003.1-1988 * _POSIX_C_SOURCE == 1L 1003.1-1990 * _POSIX_C_SOURCE == 2L 1003.2-1992 C Language Binding Option * _POSIX_C_SOURCE == 199309L 1003.1b-1993 * _POSIX_C_SOURCE == 199506L 1003.1c-1995, 1003.1i-1995, * and the omnibus ISO/IEC 9945-1: 1996 * _POSIX_C_SOURCE == 200112L 1003.1-2001 * * In addition, the X/Open Portability Guide, which is now the Single UNIX * Specification, defines a feature-test macro which indicates the version of * that specification, and which subsumes _POSIX_C_SOURCE. */ /* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1L. */ #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1L #undef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 199009L #endif /* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2L. */ #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2L #undef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 199209L #endif /* Deal with various X/Open Portability Guides and Single UNIX Spec. */ #ifdef _XOPEN_SOURCE #if _XOPEN_SOURCE - 0L >= 600L #undef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 200112L #elif _XOPEN_SOURCE - 0L >= 500L #undef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 199506L #endif #endif /* * Deal with all versions of POSIX. The ordering relative to the tests above is * important. */ #if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) #define _POSIX_C_SOURCE 198808L #endif /* * long long is not supported in c89 (__STRICT_ANSI__), but g++ -ansi and * c99 still want long longs. While not perfect, we allow long longs for * g++. */ #define __DARWIN_NO_LONG_LONG (defined(__STRICT_ANSI__) \ && (__STDC_VERSION__-0 < 199901L) \ && !defined(__GNUG__)) /* * Long double compatibility macro allow selecting variant symbols based * on the old (compatible) 64-bit long doubles, or the new 128-bit * long doubles. This applies only to ppc; i386 already has long double * support, while ppc64 doesn't have any backwards history. */ #if defined(__ppc__) # if defined(__LDBL_MANT_DIG__) && defined(__DBL_MANT_DIG__) && \ __LDBL_MANT_DIG__ > __DBL_MANT_DIG__ # if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0 < 1040 # define __DARWIN_LDBL_COMPAT(x) __asm("_" __STRING(x) "$LDBLStub") # else # define __DARWIN_LDBL_COMPAT(x) __asm("_" __STRING(x) "$LDBL128") # endif # define __DARWIN_LDBL_COMPAT2(x) __asm("_" __STRING(x) "$LDBL128") # define __DARWIN_LONG_DOUBLE_IS_DOUBLE 0 # else # define __DARWIN_LDBL_COMPAT(x) /* nothing */ # define __DARWIN_LDBL_COMPAT2(x) /* nothing */ # define __DARWIN_LONG_DOUBLE_IS_DOUBLE 1 # endif #elif defined(__i386__) || defined(__ppc64__) # define __DARWIN_LDBL_COMPAT(x) /* nothing */ # define __DARWIN_LDBL_COMPAT2(x) /* nothing */ # define __DARWIN_LONG_DOUBLE_IS_DOUBLE 0 #else # error Unknown architecture #endif /* * Structure alignment control macros. These specify how certain * shared structures should be aligned. Some may need backward * compatible legacy (POWER) alignment, while others may need * forward compatible (NATURAL) alignment. */ #if !defined(__DARWIN_ALIGN_POWER) #if defined(__ppc64__) #define __DARWIN_ALIGN_POWER 1 #else #define __DARWIN_ALIGN_POWER 0 #endif #endif /* __DARWIN_ALIGN_POWER */ #if !defined(__DARWIN_ALIGN_NATURAL) #if defined(__ppc__) && defined(KERNEL) #define __DARWIN_ALIGN_NATURAL 1 #else #define __DARWIN_ALIGN_NATURAL 0 #endif #endif /* __DARWIN_ALIGN_NATURAL */ #endif /* !_CDEFS_H_ */