1/* 2 * Copyright (c) 2000-2009 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* Copyright 1995 NeXT Computer, Inc. All rights reserved. */ 29/* 30 * Copyright (c) 1991, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * This code is derived from software contributed to Berkeley by 34 * Berkeley Software Design, Inc. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)cdefs.h 8.8 (Berkeley) 1/9/95 65 */ 66 67#ifndef _CDEFS_H_ 68#define _CDEFS_H_ 69 70#if defined(__cplusplus) 71#define __BEGIN_DECLS extern "C" { 72#define __END_DECLS } 73#else 74#define __BEGIN_DECLS 75#define __END_DECLS 76#endif 77 78/* This SDK is designed to work with clang and specific versions of 79 * gcc >= 4.0 with Apple's patch sets */ 80#if !defined(__GNUC__) || __GNUC__ < 4 81#warning "Unsupported compiler detected" 82#endif 83 84/* 85 * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 86 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 87 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 88 * in between its arguments. __CONCAT can also concatenate double-quoted 89 * strings produced by the __STRING macro, but this only works with ANSI C. 90 */ 91#if defined(__STDC__) || defined(__cplusplus) 92#define __P(protos) protos /* full-blown ANSI C */ 93#define __CONCAT(x,y) x ## y 94#define __STRING(x) #x 95 96#define __const const /* define reserved names to standard */ 97#define __signed signed 98#define __volatile volatile 99#if defined(__cplusplus) 100#define __inline inline /* convert to C++ keyword */ 101#else 102#ifndef __GNUC__ 103#define __inline /* delete GCC keyword */ 104#endif /* !__GNUC__ */ 105#endif /* !__cplusplus */ 106 107#else /* !(__STDC__ || __cplusplus) */ 108#define __P(protos) () /* traditional C preprocessor */ 109#define __CONCAT(x,y) x/**/y 110#define __STRING(x) "x" 111 112#ifndef __GNUC__ 113#define __const /* delete pseudo-ANSI C keywords */ 114#define __inline 115#define __signed 116#define __volatile 117#endif /* !__GNUC__ */ 118 119/* 120 * In non-ANSI C environments, new programs will want ANSI-only C keywords 121 * deleted from the program and old programs will want them left alone. 122 * When using a compiler other than gcc, programs using the ANSI C keywords 123 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS. 124 * When using "gcc -traditional", we assume that this is the intent; if 125 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone. 126 */ 127#ifndef NO_ANSI_KEYWORDS 128#define const __const /* convert ANSI C keywords */ 129#define inline __inline 130#define signed __signed 131#define volatile __volatile 132#endif /* !NO_ANSI_KEYWORDS */ 133#endif /* !(__STDC__ || __cplusplus) */ 134 135#define __dead2 __attribute__((noreturn)) 136#define __pure2 __attribute__((const)) 137 138/* __unused denotes variables and functions that may not be used, preventing 139 * the compiler from warning about it if not used. 140 */ 141#define __unused __attribute__((unused)) 142 143/* __used forces variables and functions to be included even if it appears 144 * to the compiler that they are not used (and would thust be discarded). 145 */ 146#define __used __attribute__((used)) 147 148/* __deprecated causes the compiler to produce a warning when encountering 149 * code using the deprecated functionality. This may require turning on 150 * such wardning with the -Wdeprecated flag. 151 */ 152#define __deprecated __attribute__((deprecated)) 153 154/* __unavailable causes the compiler to error out when encountering 155 * code using the tagged function of variable. 156 */ 157#define __unavailable __attribute__((unavailable)) 158 159/* Delete pseudo-keywords wherever they are not available or needed. */ 160#ifndef __dead 161#define __dead 162#define __pure 163#endif 164 165/* 166 * We use `__restrict' as a way to define the `restrict' type qualifier 167 * without disturbing older software that is unaware of C99 keywords. 168 */ 169#if __STDC_VERSION__ < 199901 170#define __restrict 171#else 172#define __restrict restrict 173#endif 174 175/* 176 * Compiler-dependent macros to declare that functions take printf-like 177 * or scanf-like arguments. They are null except for versions of gcc 178 * that are known to support the features properly. Functions declared 179 * with these attributes will cause compilation warnings if there is a 180 * mismatch between the format string and subsequent function parameter 181 * types. 182 */ 183#define __printflike(fmtarg, firstvararg) \ 184 __attribute__((__format__ (__printf__, fmtarg, firstvararg))) 185#define __scanflike(fmtarg, firstvararg) \ 186 __attribute__((__format__ (__scanf__, fmtarg, firstvararg))) 187 188#define __IDSTRING(name,string) static const char name[] __used = string 189 190#ifndef __COPYRIGHT 191#define __COPYRIGHT(s) __IDSTRING(copyright,s) 192#endif 193 194#ifndef __RCSID 195#define __RCSID(s) __IDSTRING(rcsid,s) 196#endif 197 198#ifndef __SCCSID 199#define __SCCSID(s) __IDSTRING(sccsid,s) 200#endif 201 202#ifndef __PROJECT_VERSION 203#define __PROJECT_VERSION(s) __IDSTRING(project_version,s) 204#endif 205 206/* Source compatibility only, ID string not emitted in object file */ 207#ifndef __FBSDID 208#define __FBSDID(s) 209#endif 210 211 212/* 213 * COMPILATION ENVIRONMENTS -- see compat(5) for additional detail 214 * 215 * DEFAULT By default newly complied code will get POSIX APIs plus 216 * Apple API extensions in scope. 217 * 218 * Most users will use this compilation environment to avoid 219 * behavioral differences between 32 and 64 bit code. 220 * 221 * LEGACY Defining _NONSTD_SOURCE will get pre-POSIX APIs plus Apple 222 * API extensions in scope. 223 * 224 * This is generally equivalent to the Tiger release compilation 225 * environment, except that it cannot be applied to 64 bit code; 226 * its use is discouraged. 227 * 228 * We expect this environment to be deprecated in the future. 229 * 230 * STRICT Defining _POSIX_C_SOURCE or _XOPEN_SOURCE restricts the 231 * available APIs to exactly the set of APIs defined by the 232 * corresponding standard, based on the value defined. 233 * 234 * A correct, portable definition for _POSIX_C_SOURCE is 200112L. 235 * A correct, portable definition for _XOPEN_SOURCE is 600L. 236 * 237 * Apple API extensions are not visible in this environment, 238 * which can cause Apple specific code to fail to compile, 239 * or behave incorrectly if prototypes are not in scope or 240 * warnings about missing prototypes are not enabled or ignored. 241 * 242 * In any compilation environment, for correct symbol resolution to occur, 243 * function prototypes must be in scope. It is recommended that all Apple 244 * tools users add either the "-Wall" or "-Wimplicit-function-declaration" 245 * compiler flags to their projects to be warned when a function is being 246 * used without a prototype in scope. 247 */ 248 249/* These settings are particular to each product. */ 250#ifdef KERNEL 251#define __DARWIN_ONLY_64_BIT_INO_T 0 252#define __DARWIN_ONLY_UNIX_CONFORMANCE 0 253#define __DARWIN_ONLY_VERS_1050 0 254#define __DARWIN_SUF_DARWIN10 "_darwin10" 255#define __DARWIN10_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_DARWIN10) 256#else /* !KERNEL */ 257#ifdef PLATFORM_iPhoneOS 258/* Platform: iPhoneOS */ 259#define __DARWIN_ONLY_64_BIT_INO_T 1 260#define __DARWIN_ONLY_UNIX_CONFORMANCE 1 261#define __DARWIN_ONLY_VERS_1050 1 262#endif /* PLATFORM_iPhoneOS */ 263#ifdef PLATFORM_iPhoneSimulator 264/* Platform: iPhoneSimulator */ 265#define __DARWIN_ONLY_64_BIT_INO_T 1 266#define __DARWIN_ONLY_UNIX_CONFORMANCE 1 267#define __DARWIN_ONLY_VERS_1050 1 268#endif /* PLATFORM_iPhoneSimulator */ 269#ifdef PLATFORM_MacOSX 270/* Platform: MacOSX */ 271#define __DARWIN_ONLY_64_BIT_INO_T 0 272/* #undef __DARWIN_ONLY_UNIX_CONFORMANCE (automatically set for 64-bit) */ 273#define __DARWIN_ONLY_VERS_1050 0 274#endif /* PLATFORM_MacOSX */ 275#endif /* KERNEL */ 276 277/* 278 * The __DARWIN_ALIAS macros are used to do symbol renaming; they allow 279 * legacy code to use the old symbol, thus maintaining binary compatibility 280 * while new code can use a standards compliant version of the same function. 281 * 282 * __DARWIN_ALIAS is used by itself if the function signature has not 283 * changed, it is used along with a #ifdef check for __DARWIN_UNIX03 284 * if the signature has changed. Because the __LP64__ environment 285 * only supports UNIX03 semantics it causes __DARWIN_UNIX03 to be 286 * defined, but causes __DARWIN_ALIAS to do no symbol mangling. 287 * 288 * As a special case, when XCode is used to target a specific version of the 289 * OS, the manifest constant __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 290 * will be defined by the compiler, with the digits representing major version 291 * time 100 + minor version times 10 (e.g. 10.5 := 1050). If we are targeting 292 * pre-10.5, and it is the default compilation environment, revert the 293 * compilation environment to pre-__DARWIN_UNIX03. 294 */ 295#if !defined(__DARWIN_ONLY_UNIX_CONFORMANCE) 296# if defined(__LP64__) 297# define __DARWIN_ONLY_UNIX_CONFORMANCE 1 298# else /* !__LP64__ */ 299# define __DARWIN_ONLY_UNIX_CONFORMANCE 0 300# endif /* __LP64__ */ 301#endif /* !__DARWIN_ONLY_UNIX_CONFORMANCE */ 302 303#if !defined(__DARWIN_UNIX03) 304# if defined(KERNEL) 305# define __DARWIN_UNIX03 0 306# elif __DARWIN_ONLY_UNIX_CONFORMANCE 307# if defined(_NONSTD_SOURCE) 308# error "Can't define _NONSTD_SOURCE when only UNIX conformance is available." 309# endif /* _NONSTD_SOURCE */ 310# define __DARWIN_UNIX03 1 311# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1040) 312# define __DARWIN_UNIX03 0 313# elif defined(_DARWIN_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_C_SOURCE) 314# if defined(_NONSTD_SOURCE) 315# error "Can't define both _NONSTD_SOURCE and any of _DARWIN_C_SOURCE, _XOPEN_SOURCE or _POSIX_C_SOURCE." 316# endif /* _NONSTD_SOURCE */ 317# define __DARWIN_UNIX03 1 318# elif defined(_NONSTD_SOURCE) 319# define __DARWIN_UNIX03 0 320# else /* default */ 321# if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1050) 322# define __DARWIN_UNIX03 0 323# else /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 */ 324# define __DARWIN_UNIX03 1 325# endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 */ 326# endif /* _DARWIN_C_SOURCE || _XOPEN_SOURCE || _POSIX_C_SOURCE || __LP64__ */ 327#endif /* !__DARWIN_UNIX03 */ 328 329#if !defined(__DARWIN_64_BIT_INO_T) 330# if defined(KERNEL) 331# define __DARWIN_64_BIT_INO_T 0 332# elif defined(_DARWIN_USE_64_BIT_INODE) 333# if defined(_DARWIN_NO_64_BIT_INODE) 334# error "Can't define both _DARWIN_USE_64_BIT_INODE and _DARWIN_NO_64_BIT_INODE." 335# endif /* _DARWIN_NO_64_BIT_INODE */ 336# define __DARWIN_64_BIT_INO_T 1 337# elif defined(_DARWIN_NO_64_BIT_INODE) 338# if __DARWIN_ONLY_64_BIT_INO_T 339# error "Can't define _DARWIN_NO_64_BIT_INODE when only 64-bit inodes are available." 340# endif /* __DARWIN_ONLY_64_BIT_INO_T */ 341# define __DARWIN_64_BIT_INO_T 0 342# else /* default */ 343# if __DARWIN_ONLY_64_BIT_INO_T 344# define __DARWIN_64_BIT_INO_T 1 345# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1060) || __DARWIN_UNIX03 == 0 346# define __DARWIN_64_BIT_INO_T 0 347# else /* default */ 348# define __DARWIN_64_BIT_INO_T 1 349# endif /* __DARWIN_ONLY_64_BIT_INO_T */ 350# endif 351#endif /* !__DARWIN_64_BIT_INO_T */ 352 353#if !defined(__DARWIN_VERS_1050) 354# if defined(KERNEL) 355# define __DARWIN_VERS_1050 0 356# elif __DARWIN_ONLY_VERS_1050 357# define __DARWIN_VERS_1050 1 358# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1050) || __DARWIN_UNIX03 == 0 359# define __DARWIN_VERS_1050 0 360# else /* default */ 361# define __DARWIN_VERS_1050 1 362# endif 363#endif /* !__DARWIN_VERS_1050 */ 364 365#if !defined(__DARWIN_NON_CANCELABLE) 366# if defined(KERNEL) 367# define __DARWIN_NON_CANCELABLE 0 368# else /* default */ 369# define __DARWIN_NON_CANCELABLE 0 370# endif 371#endif /* !__DARWIN_NON_CANCELABLE */ 372 373/* 374 * symbol suffixes used for symbol versioning 375 */ 376#if __DARWIN_UNIX03 377# if __DARWIN_ONLY_UNIX_CONFORMANCE 378# define __DARWIN_SUF_UNIX03 /* nothing */ 379# else /* !__DARWIN_ONLY_UNIX_CONFORMANCE */ 380# define __DARWIN_SUF_UNIX03 "$UNIX2003" 381# endif /* __DARWIN_ONLY_UNIX_CONFORMANCE */ 382 383# if __DARWIN_64_BIT_INO_T 384# if __DARWIN_ONLY_64_BIT_INO_T 385# define __DARWIN_SUF_64_BIT_INO_T /* nothing */ 386# else /* !__DARWIN_ONLY_64_BIT_INO_T */ 387# define __DARWIN_SUF_64_BIT_INO_T "$INODE64" 388# endif /* __DARWIN_ONLY_64_BIT_INO_T */ 389# else /* !__DARWIN_64_BIT_INO_T */ 390# define __DARWIN_SUF_64_BIT_INO_T /* nothing */ 391# endif /* __DARWIN_64_BIT_INO_T */ 392 393# if __DARWIN_VERS_1050 394# if __DARWIN_ONLY_VERS_1050 395# define __DARWIN_SUF_1050 /* nothing */ 396# else /* !__DARWIN_ONLY_VERS_1050 */ 397# define __DARWIN_SUF_1050 "$1050" 398# endif /* __DARWIN_ONLY_VERS_1050 */ 399# else /* !__DARWIN_VERS_1050 */ 400# define __DARWIN_SUF_1050 /* nothing */ 401# endif /* __DARWIN_VERS_1050 */ 402 403# if __DARWIN_NON_CANCELABLE 404# define __DARWIN_SUF_NON_CANCELABLE "$NOCANCEL" 405# else /* !__DARWIN_NON_CANCELABLE */ 406# define __DARWIN_SUF_NON_CANCELABLE /* nothing */ 407# endif /* __DARWIN_NON_CANCELABLE */ 408 409#else /* !__DARWIN_UNIX03 */ 410# define __DARWIN_SUF_UNIX03 /* nothing */ 411# define __DARWIN_SUF_64_BIT_INO_T /* nothing */ 412# define __DARWIN_SUF_NON_CANCELABLE /* nothing */ 413# define __DARWIN_SUF_1050 /* nothing */ 414#endif /* __DARWIN_UNIX03 */ 415 416#define __DARWIN_SUF_EXTSN "$DARWIN_EXTSN" 417 418/* 419 * symbol versioning macros 420 */ 421#define __DARWIN_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_UNIX03) 422#define __DARWIN_ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03) 423#define __DARWIN_ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03) 424#define __DARWIN_INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T) 425 426#define __DARWIN_1050(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050) 427#define __DARWIN_1050ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_UNIX03) 428#define __DARWIN_1050ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03) 429#define __DARWIN_1050ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03) 430#define __DARWIN_1050INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_64_BIT_INO_T) 431 432#define __DARWIN_EXTSN(sym) __asm("_" __STRING(sym) __DARWIN_SUF_EXTSN) 433#define __DARWIN_EXTSN_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_EXTSN __DARWIN_SUF_NON_CANCELABLE) 434 435/* 436 * symbol release macros 437 */ 438#ifdef KERNEL 439#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) 440#else 441#include <sys/_symbol_aliasing.h> 442 443#if defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) 444#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) __DARWIN_ALIAS_STARTING_IPHONE_##_iphone(x) 445#elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) 446#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) __DARWIN_ALIAS_STARTING_MAC_##_mac(x) 447#else 448#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) 449#endif 450#endif /* KERNEL */ 451 452 453/* 454 * POSIX.1 requires that the macros we test be defined before any standard 455 * header file is included. This permits us to convert values for feature 456 * testing, as necessary, using only _POSIX_C_SOURCE. 457 * 458 * Here's a quick run-down of the versions: 459 * defined(_POSIX_SOURCE) 1003.1-1988 460 * _POSIX_C_SOURCE == 1L 1003.1-1990 461 * _POSIX_C_SOURCE == 2L 1003.2-1992 C Language Binding Option 462 * _POSIX_C_SOURCE == 199309L 1003.1b-1993 463 * _POSIX_C_SOURCE == 199506L 1003.1c-1995, 1003.1i-1995, 464 * and the omnibus ISO/IEC 9945-1: 1996 465 * _POSIX_C_SOURCE == 200112L 1003.1-2001 466 * _POSIX_C_SOURCE == 200809L 1003.1-2008 467 * 468 * In addition, the X/Open Portability Guide, which is now the Single UNIX 469 * Specification, defines a feature-test macro which indicates the version of 470 * that specification, and which subsumes _POSIX_C_SOURCE. 471 */ 472 473/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1L. */ 474#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1L 475#undef _POSIX_C_SOURCE 476#define _POSIX_C_SOURCE 199009L 477#endif 478 479/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2L. */ 480#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2L 481#undef _POSIX_C_SOURCE 482#define _POSIX_C_SOURCE 199209L 483#endif 484 485/* Deal with various X/Open Portability Guides and Single UNIX Spec. */ 486#ifdef _XOPEN_SOURCE 487#if _XOPEN_SOURCE - 0L >= 700L && (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE - 0L < 200809L) 488#undef _POSIX_C_SOURCE 489#define _POSIX_C_SOURCE 200809L 490#elif _XOPEN_SOURCE - 0L >= 600L && (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE - 0L < 200112L) 491#undef _POSIX_C_SOURCE 492#define _POSIX_C_SOURCE 200112L 493#elif _XOPEN_SOURCE - 0L >= 500L && (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE - 0L < 199506L) 494#undef _POSIX_C_SOURCE 495#define _POSIX_C_SOURCE 199506L 496#endif 497#endif 498 499/* 500 * Deal with all versions of POSIX. The ordering relative to the tests above is 501 * important. 502 */ 503#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) 504#define _POSIX_C_SOURCE 198808L 505#endif 506 507/* POSIX C deprecation macros */ 508#ifdef KERNEL 509#define __POSIX_C_DEPRECATED(ver) 510#else 511#include <sys/_posix_availability.h> 512 513#define __POSIX_C_DEPRECATED(ver) ___POSIX_C_DEPRECATED_STARTING_##ver 514#endif 515 516/* 517 * Set a single macro which will always be defined and can be used to determine 518 * the appropriate namespace. For POSIX, these values will correspond to 519 * _POSIX_C_SOURCE value. Currently there are two additional levels corresponding 520 * to ANSI (_ANSI_SOURCE) and Darwin extensions (_DARWIN_C_SOURCE) 521 */ 522#define __DARWIN_C_ANSI 010000L 523#define __DARWIN_C_FULL 900000L 524 525#if defined(_ANSI_SOURCE) 526#define __DARWIN_C_LEVEL __DARWIN_C_ANSI 527#elif defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE) && !defined(_NONSTD_SOURCE) 528#define __DARWIN_C_LEVEL _POSIX_C_SOURCE 529#else 530#define __DARWIN_C_LEVEL __DARWIN_C_FULL 531#endif 532 533 534/* 535 * long long is not supported in c89 (__STRICT_ANSI__), but g++ -ansi and 536 * c99 still want long longs. While not perfect, we allow long longs for 537 * g++. 538 */ 539#define __DARWIN_NO_LONG_LONG (defined(__STRICT_ANSI__) \ 540 && (__STDC_VERSION__-0 < 199901L) \ 541 && !defined(__GNUG__)) 542 543/***************************************** 544 * Public darwin-specific feature macros 545 *****************************************/ 546 547/* 548 * _DARWIN_FEATURE_64_BIT_INODE indicates that the ino_t type is 64-bit, and 549 * structures modified for 64-bit inodes (like struct stat) will be used. 550 */ 551#if __DARWIN_64_BIT_INO_T 552#define _DARWIN_FEATURE_64_BIT_INODE 1 553#endif 554 555/* 556 * _DARWIN_FEATURE_64_ONLY_BIT_INODE indicates that the ino_t type may only 557 * be 64-bit; there is no support for 32-bit ino_t when this macro is defined 558 * (and non-zero). There is no struct stat64 either, as the regular 559 * struct stat will already be the 64-bit version. 560 */ 561#if __DARWIN_ONLY_64_BIT_INO_T 562#define _DARWIN_FEATURE_ONLY_64_BIT_INODE 1 563#endif 564 565/* 566 * _DARWIN_FEATURE_ONLY_VERS_1050 indicates that only those APIs updated 567 * in 10.5 exists; no pre-10.5 variants are available. 568 */ 569#if __DARWIN_ONLY_VERS_1050 570#define _DARWIN_FEATURE_ONLY_VERS_1050 1 571#endif 572 573/* 574 * _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE indicates only UNIX conforming API 575 * are available (the legacy BSD APIs are not available) 576 */ 577#if __DARWIN_ONLY_UNIX_CONFORMANCE 578#define _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE 1 579#endif 580 581/* 582 * _DARWIN_FEATURE_UNIX_CONFORMANCE indicates whether UNIX conformance is on, 583 * and specifies the conformance level (3 is SUSv3) 584 */ 585#if __DARWIN_UNIX03 586#define _DARWIN_FEATURE_UNIX_CONFORMANCE 3 587#endif 588 589/* 590 * This macro casts away the qualifier from the variable 591 * 592 * Note: use at your own risk, removing qualifiers can result in 593 * catastrophic run-time failures. 594 */ 595#ifndef __CAST_AWAY_QUALIFIER 596#define __CAST_AWAY_QUALIFIER(variable, qualifier, type) (type) (long)(variable) 597#endif 598 599#endif /* !_CDEFS_H_ */ 600