1/* 2 * Copyright (c) 2000-2008 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/* 79 * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 80 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 81 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 82 * in between its arguments. __CONCAT can also concatenate double-quoted 83 * strings produced by the __STRING macro, but this only works with ANSI C. 84 */ 85#if defined(__STDC__) || defined(__cplusplus) 86#define __P(protos) protos /* full-blown ANSI C */ 87#define __CONCAT(x,y) x ## y 88#define __STRING(x) #x 89 90#define __const const /* define reserved names to standard */ 91#define __signed signed 92#define __volatile volatile 93#if defined(__cplusplus) 94#define __inline inline /* convert to C++ keyword */ 95#else 96#ifndef __GNUC__ 97#define __inline /* delete GCC keyword */ 98#endif /* !__GNUC__ */ 99#endif /* !__cplusplus */ 100 101#else /* !(__STDC__ || __cplusplus) */ 102#define __P(protos) () /* traditional C preprocessor */ 103#define __CONCAT(x,y) x/**/y 104#define __STRING(x) "x" 105 106#ifndef __GNUC__ 107#define __const /* delete pseudo-ANSI C keywords */ 108#define __inline 109#define __signed 110#define __volatile 111#endif /* !__GNUC__ */ 112 113/* 114 * In non-ANSI C environments, new programs will want ANSI-only C keywords 115 * deleted from the program and old programs will want them left alone. 116 * When using a compiler other than gcc, programs using the ANSI C keywords 117 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS. 118 * When using "gcc -traditional", we assume that this is the intent; if 119 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone. 120 */ 121#ifndef NO_ANSI_KEYWORDS 122#define const __const /* convert ANSI C keywords */ 123#define inline __inline 124#define signed __signed 125#define volatile __volatile 126#endif /* !NO_ANSI_KEYWORDS */ 127#endif /* !(__STDC__ || __cplusplus) */ 128 129/* 130 * GCC1 and some versions of GCC2 declare dead (non-returning) and 131 * pure (no side effects) functions using "volatile" and "const"; 132 * unfortunately, these then cause warnings under "-ansi -pedantic". 133 * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of 134 * these work for GNU C++ (modulo a slight glitch in the C++ grammar 135 * in the distribution version of 2.5.5). 136 */ 137#if defined(__MWERKS__) && (__MWERKS__ > 0x2400) 138 /* newer Metrowerks compilers support __attribute__() */ 139#elif __GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 5 140#define __dead2 __attribute__((__noreturn__)) 141#define __pure2 __attribute__((__const__)) 142#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 143#define __unused /* no attribute */ 144#else 145#define __unused __attribute__((__unused__)) 146#endif 147#else 148#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ 149#if defined(__GNUC__) && !defined(__STRICT_ANSI__) 150/* __dead and __pure are depreciated. Use __dead2 and __pure2 instead */ 151#define __dead __volatile 152#define __pure __const 153#endif 154#endif 155 156/* Delete pseudo-keywords wherever they are not available or needed. */ 157#ifndef __dead 158#define __dead 159#define __pure 160#endif 161#ifndef __dead2 162#define __dead2 163#define __pure2 164#define __unused 165#endif 166 167/* 168 * GCC 2.95 provides `__restrict' as an extension to C90 to support the 169 * C99-specific `restrict' type qualifier. We happen to use `__restrict' as 170 * a way to define the `restrict' type qualifier without disturbing older 171 * software that is unaware of C99 keywords. 172 */ 173#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95) 174#if __STDC_VERSION__ < 199901 175#define __restrict 176#else 177#define __restrict restrict 178#endif 179#endif 180 181/* 182 * Compiler-dependent macros to declare that functions take printf-like 183 * or scanf-like arguments. They are null except for versions of gcc 184 * that are known to support the features properly. Functions declared 185 * with these attributes will cause compilation warnings if there is a 186 * mismatch between the format string and subsequent function parameter 187 * types. 188 */ 189#if __GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 7 190#define __printflike(fmtarg, firstvararg) \ 191 __attribute__((__format__ (__printf__, fmtarg, firstvararg))) 192#define __scanflike(fmtarg, firstvararg) \ 193 __attribute__((__format__ (__scanf__, fmtarg, firstvararg))) 194#else 195#define __printflike(fmtarg, firstvararg) 196#define __scanflike(fmtarg, firstvararg) 197#endif 198 199#define __IDSTRING(name,string) static const char name[] __unused = string 200 201#ifndef __COPYRIGHT 202#define __COPYRIGHT(s) __IDSTRING(copyright,s) 203#endif 204 205#ifndef __RCSID 206#define __RCSID(s) __IDSTRING(rcsid,s) 207#endif 208 209#ifndef __SCCSID 210#define __SCCSID(s) __IDSTRING(sccsid,s) 211#endif 212 213#ifndef __PROJECT_VERSION 214#define __PROJECT_VERSION(s) __IDSTRING(project_version,s) 215#endif 216 217/* 218 * COMPILATION ENVIRONMENTS 219 * 220 * DEFAULT By default newly complied code will get POSIX APIs plus 221 * Apple API extensions in scope. 222 * 223 * Most users will use this compilation environment to avoid 224 * behavioural differences between 32 and 64 bit code. 225 * 226 * LEGACY Defining _NONSTD_SOURCE will get pre-POSIX APIs plus Apple 227 * API extensions in scope. 228 * 229 * This is generally equivalent to the Tiger release compilation 230 * environment, except that it cannot be applied to 64 bit code; 231 * its use is discouraged. 232 * 233 * We expect this environment to be deprecated in the future. 234 * 235 * STRICT Defining _POSIX_C_SOURCE or _XOPEN_SOURCE restricts the 236 * available APIs to exactly the set of APIs defined by the 237 * corresponding standard, based on the value defined. 238 * 239 * A correct, portable definition for _POSIX_C_SOURCE is 200112L. 240 * A correct, portable definition for _XOPEN_SOURCE is 600L. 241 * 242 * Apple API extensions are not visible in this environment, 243 * which can cause Apple specific code to fail to compile, 244 * or behave incorrectly if prototypes are not in scope or 245 * warnings about missing prototypes are not enabled or ignored. 246 * 247 * In any compilation environment, for correct symbol resolution to occur, 248 * function prototypes must be in scope. It is recommended that all Apple 249 * tools users add etiher the "-Wall" or "-Wimplicit-function-declaration" 250 * compiler flags to their projects to be warned when a function is being 251 * used without a prototype in scope. 252 */ 253 254/* These settings are particular to each product. */ 255#ifdef KERNEL 256#define __DARWIN_ONLY_64_BIT_INO_T 0 257#define __DARWIN_ONLY_UNIX_CONFORMANCE 0 258#define __DARWIN_ONLY_VERS_1050 0 259#else /* !KERNEL */ 260#ifdef PRODUCT_AppleTV 261/* Product: AppleTV */ 262#define __DARWIN_ONLY_64_BIT_INO_T 1 263#define __DARWIN_ONLY_UNIX_CONFORMANCE 1 264#define __DARWIN_ONLY_VERS_1050 1 265#endif /* PRODUCT_AppleTV */ 266#ifdef PRODUCT_iPhone 267/* Product: iPhone */ 268#define __DARWIN_ONLY_64_BIT_INO_T 1 269#define __DARWIN_ONLY_UNIX_CONFORMANCE 1 270#define __DARWIN_ONLY_VERS_1050 1 271#endif /* PRODUCT_iPhone */ 272#ifdef PRODUCT_MacOSX 273/* Product: MacOSX */ 274#define __DARWIN_ONLY_64_BIT_INO_T 0 275/* #undef __DARWIN_ONLY_UNIX_CONFORMANCE (automatically set for 64-bit) */ 276#define __DARWIN_ONLY_VERS_1050 0 277#endif /* PRODUCT_MacOSX */ 278#endif /* KERNEL */ 279 280/* 281 * The __DARWIN_ALIAS macros are used to do symbol renaming; they allow 282 * legacy code to use the old symbol, thus maintiang binary compatability 283 * while new code can use a standards compliant version of the same function. 284 * 285 * __DARWIN_ALIAS is used by itself if the function signature has not 286 * changed, it is used along with a #ifdef check for __DARWIN_UNIX03 287 * if the signature has changed. Because the __LP64__ enviroment 288 * only supports UNIX03 sementics it causes __DARWIN_UNIX03 to be 289 * defined, but causes __DARWIN_ALIAS to do no symbol mangling. 290 * 291 * As a special case, when XCode is used to target a specific version of the 292 * OS, the manifest constant __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 293 * will be defined by the compiler, with the digits representing major version 294 * time 100 + minor version times 10 (e.g. 10.5 := 1050). If we are targetting 295 * pre-10.5, and it is the default compilation environment, revert the 296 * compilation environment to pre-__DARWIN_UNIX03. 297 */ 298#if !defined(__DARWIN_ONLY_UNIX_CONFORMANCE) 299# if defined(__LP64__) 300# define __DARWIN_ONLY_UNIX_CONFORMANCE 1 301# else /* !__LP64__ */ 302# define __DARWIN_ONLY_UNIX_CONFORMANCE 0 303# endif /* __LP64__ */ 304#endif /* !__DARWIN_ONLY_UNIX_CONFORMANCE */ 305 306#if !defined(__DARWIN_UNIX03) 307# if defined(KERNEL) 308# define __DARWIN_UNIX03 0 309# elif __DARWIN_ONLY_UNIX_CONFORMANCE 310# if defined(_NONSTD_SOURCE) 311# error "Can't define _NONSTD_SOURCE when only UNIX conformance is available." 312# endif /* _NONSTD_SOURCE */ 313# define __DARWIN_UNIX03 1 314# elif defined(_DARWIN_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_C_SOURCE) 315# if defined(_NONSTD_SOURCE) 316# error "Can't define both _NONSTD_SOURCE and any of _DARWIN_C_SOURCE, _XOPEN_SOURCE or _POSIX_C_SOURCE." 317# endif /* _NONSTD_SOURCE */ 318# define __DARWIN_UNIX03 1 319# elif defined(_NONSTD_SOURCE) 320# define __DARWIN_UNIX03 0 321# else /* default */ 322# if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1050) 323# define __DARWIN_UNIX03 0 324# else /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 */ 325# define __DARWIN_UNIX03 1 326# endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 */ 327# endif /* _DARWIN_C_SOURCE || _XOPEN_SOURCE || _POSIX_C_SOURCE || __LP64__ */ 328#endif /* !__DARWIN_UNIX03 */ 329 330#if !defined(__DARWIN_64_BIT_INO_T) 331# if defined(KERNEL) 332# define __DARWIN_64_BIT_INO_T 0 333# elif defined(_DARWIN_USE_64_BIT_INODE) 334# if defined(_DARWIN_NO_64_BIT_INODE) 335# error "Can't define both _DARWIN_USE_64_BIT_INODE and _DARWIN_NO_64_BIT_INODE." 336# endif /* _DARWIN_NO_64_BIT_INODE */ 337# define __DARWIN_64_BIT_INO_T 1 338# elif defined(_DARWIN_NO_64_BIT_INODE) 339# if __DARWIN_ONLY_64_BIT_INO_T 340# error "Can't define _DARWIN_NO_64_BIT_INODE when only 64-bit inodes are available." 341# endif /* __DARWIN_ONLY_64_BIT_INO_T */ 342# define __DARWIN_64_BIT_INO_T 0 343# else /* default */ 344# if __DARWIN_ONLY_64_BIT_INO_T 345# define __DARWIN_64_BIT_INO_T 1 346# else /* !__DARWIN_ONLY_64_BIT_INO_T */ 347# define __DARWIN_64_BIT_INO_T 0 348# endif /* __DARWIN_ONLY_64_BIT_INO_T */ 349# endif 350#endif /* !__DARWIN_64_BIT_INO_T */ 351 352#if !defined(__DARWIN_VERS_1050) 353# if defined(KERNEL) 354# define __DARWIN_VERS_1050 0 355# elif __DARWIN_ONLY_VERS_1050 356# define __DARWIN_VERS_1050 1 357# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) >= 1050) 358# define __DARWIN_VERS_1050 1 359# else /* default */ 360# define __DARWIN_VERS_1050 0 361# endif 362#endif /* !__DARWIN_VERS_1050 */ 363 364#if !defined(__DARWIN_NON_CANCELABLE) 365# if defined(KERNEL) 366# define __DARWIN_NON_CANCELABLE 0 367# else /* default */ 368# define __DARWIN_NON_CANCELABLE 0 369# endif 370#endif /* !__DARWIN_NON_CANCELABLE */ 371 372/* 373 * symbol suffixes used for symbol versioning 374 */ 375#if __DARWIN_UNIX03 376# if __DARWIN_ONLY_UNIX_CONFORMANCE 377# define __DARWIN_SUF_UNIX03 /* nothing */ 378# else /* !__DARWIN_ONLY_UNIX_CONFORMANCE */ 379# define __DARWIN_SUF_UNIX03 "$UNIX2003" 380# endif /* __DARWIN_ONLY_UNIX_CONFORMANCE */ 381 382# if __DARWIN_64_BIT_INO_T 383# if __DARWIN_ONLY_64_BIT_INO_T 384# define __DARWIN_SUF_64_BIT_INO_T /* nothing */ 385# else /* !__DARWIN_ONLY_64_BIT_INO_T */ 386# define __DARWIN_SUF_64_BIT_INO_T "$INODE64" 387# endif /* __DARWIN_ONLY_64_BIT_INO_T */ 388# else /* !__DARWIN_64_BIT_INO_T */ 389# define __DARWIN_SUF_64_BIT_INO_T /* nothing */ 390# endif /* __DARWIN_64_BIT_INO_T */ 391 392# if __DARWIN_VERS_1050 393# if __DARWIN_ONLY_VERS_1050 394# define __DARWIN_SUF_1050 /* nothing */ 395# else /* !__DARWIN_ONLY_VERS_1050 */ 396# define __DARWIN_SUF_1050 "$1050" 397# endif /* __DARWIN_ONLY_VERS_1050 */ 398# else /* !__DARWIN_VERS_1050 */ 399# define __DARWIN_SUF_1050 /* nothing */ 400# endif /* __DARWIN_VERS_1050 */ 401 402# if __DARWIN_NON_CANCELABLE 403# define __DARWIN_SUF_NON_CANCELABLE "$NOCANCEL" 404# else /* !__DARWIN_NON_CANCELABLE */ 405# define __DARWIN_SUF_NON_CANCELABLE /* nothing */ 406# endif /* __DARWIN_NON_CANCELABLE */ 407 408#else /* !__DARWIN_UNIX03 */ 409# define __DARWIN_SUF_UNIX03 /* nothing */ 410# define __DARWIN_SUF_64_BIT_INO_T /* nothing */ 411# define __DARWIN_SUF_NON_CANCELABLE /* nothing */ 412# define __DARWIN_SUF_1050 /* nothing */ 413#endif /* __DARWIN_UNIX03 */ 414 415#define __DARWIN_SUF_EXTSN "$DARWIN_EXTSN" 416 417/* 418 * symbol versioning macros 419 */ 420#define __DARWIN_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_UNIX03) 421#define __DARWIN_ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03) 422#define __DARWIN_ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03) 423#define __DARWIN_INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T) 424 425#define __DARWIN_1050(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050) 426#define __DARWIN_1050ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_UNIX03) 427#define __DARWIN_1050ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03) 428#define __DARWIN_1050ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03) 429#define __DARWIN_1050INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_64_BIT_INO_T) 430 431#define __DARWIN_EXTSN(sym) __asm("_" __STRING(sym) __DARWIN_SUF_EXTSN) 432#define __DARWIN_EXTSN_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_EXTSN __DARWIN_SUF_NON_CANCELABLE) 433 434 435/* 436 * POSIX.1 requires that the macros we test be defined before any standard 437 * header file is included. This permits us to convert values for feature 438 * testing, as necessary, using only _POSIX_C_SOURCE. 439 * 440 * Here's a quick run-down of the versions: 441 * defined(_POSIX_SOURCE) 1003.1-1988 442 * _POSIX_C_SOURCE == 1L 1003.1-1990 443 * _POSIX_C_SOURCE == 2L 1003.2-1992 C Language Binding Option 444 * _POSIX_C_SOURCE == 199309L 1003.1b-1993 445 * _POSIX_C_SOURCE == 199506L 1003.1c-1995, 1003.1i-1995, 446 * and the omnibus ISO/IEC 9945-1: 1996 447 * _POSIX_C_SOURCE == 200112L 1003.1-2001 448 * 449 * In addition, the X/Open Portability Guide, which is now the Single UNIX 450 * Specification, defines a feature-test macro which indicates the version of 451 * that specification, and which subsumes _POSIX_C_SOURCE. 452 */ 453 454/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1L. */ 455#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1L 456#undef _POSIX_C_SOURCE 457#define _POSIX_C_SOURCE 199009L 458#endif 459 460/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2L. */ 461#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2L 462#undef _POSIX_C_SOURCE 463#define _POSIX_C_SOURCE 199209L 464#endif 465 466/* Deal with various X/Open Portability Guides and Single UNIX Spec. */ 467#ifdef _XOPEN_SOURCE 468#if _XOPEN_SOURCE - 0L >= 600L 469#undef _POSIX_C_SOURCE 470#define _POSIX_C_SOURCE 200112L 471#elif _XOPEN_SOURCE - 0L >= 500L 472#undef _POSIX_C_SOURCE 473#define _POSIX_C_SOURCE 199506L 474#endif 475#endif 476 477/* 478 * Deal with all versions of POSIX. The ordering relative to the tests above is 479 * important. 480 */ 481#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) 482#define _POSIX_C_SOURCE 198808L 483#endif 484 485/* 486 * long long is not supported in c89 (__STRICT_ANSI__), but g++ -ansi and 487 * c99 still want long longs. While not perfect, we allow long longs for 488 * g++. 489 */ 490#define __DARWIN_NO_LONG_LONG (defined(__STRICT_ANSI__) \ 491 && (__STDC_VERSION__-0 < 199901L) \ 492 && !defined(__GNUG__)) 493 494/* 495 * Long double compatibility macro allow selecting variant symbols based 496 * on the old (compatible) 64-bit long doubles, or the new 128-bit 497 * long doubles. This applies only to ppc; i386 already has long double 498 * support, while ppc64 doesn't have any backwards history. 499 */ 500#if defined(__ppc__) 501# if defined(__LDBL_MANT_DIG__) && defined(__DBL_MANT_DIG__) && \ 502 __LDBL_MANT_DIG__ > __DBL_MANT_DIG__ 503# if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0 < 1040 504# define __DARWIN_LDBL_COMPAT(x) __asm("_" __STRING(x) "$LDBLStub") 505# else 506# define __DARWIN_LDBL_COMPAT(x) __asm("_" __STRING(x) "$LDBL128") 507# endif 508# define __DARWIN_LDBL_COMPAT2(x) __asm("_" __STRING(x) "$LDBL128") 509# define __DARWIN_LONG_DOUBLE_IS_DOUBLE 0 510# else 511# define __DARWIN_LDBL_COMPAT(x) /* nothing */ 512# define __DARWIN_LDBL_COMPAT2(x) /* nothing */ 513# define __DARWIN_LONG_DOUBLE_IS_DOUBLE 1 514# endif 515#elif defined(__i386__) || defined(__ppc64__) || defined(__x86_64__) 516# define __DARWIN_LDBL_COMPAT(x) /* nothing */ 517# define __DARWIN_LDBL_COMPAT2(x) /* nothing */ 518# define __DARWIN_LONG_DOUBLE_IS_DOUBLE 0 519#else 520# error Unknown architecture 521#endif 522 523/* 524 * Deprecation macro 525 */ 526#if __GNUC__ >= 3 527#define __deprecated __attribute__((deprecated)) 528#else 529#define __deprecated /* nothing */ 530#endif 531 532/***************************************** 533 * Public darwin-specific feature macros 534 *****************************************/ 535 536/* 537 * _DARWIN_FEATURE_64_BIT_INODE indicates that the ino_t type is 64-bit, and 538 * structures modified for 64-bit inodes (like struct stat) will be used. 539 */ 540#if __DARWIN_64_BIT_INO_T 541#define _DARWIN_FEATURE_64_BIT_INODE 1 542#endif 543 544/* 545 * _DARWIN_FEATURE_LONG_DOUBLE_IS_DOUBLE indicates when the long double type 546 * is the same as the double type (ppc and arm only) 547 */ 548#if __DARWIN_LONG_DOUBLE_IS_DOUBLE 549#define _DARWIN_FEATURE_LONG_DOUBLE_IS_DOUBLE 1 550#endif 551 552/* 553 * _DARWIN_FEATURE_64_ONLY_BIT_INODE indicates that the ino_t type may only 554 * be 64-bit; there is no support for 32-bit ino_t when this macro is defined 555 * (and non-zero). There is no struct stat64 either, as the regular 556 * struct stat will already be the 64-bit version. 557 */ 558#if __DARWIN_ONLY_64_BIT_INO_T 559#define _DARWIN_FEATURE_ONLY_64_BIT_INODE 1 560#endif 561 562/* 563 * _DARWIN_FEATURE_ONLY_VERS_1050 indicates that only those APIs updated 564 * in 10.5 exists; no pre-10.5 variants are available. 565 */ 566#if __DARWIN_ONLY_VERS_1050 567#define _DARWIN_FEATURE_ONLY_VERS_1050 1 568#endif 569 570/* 571 * _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE indicates only UNIX conforming API 572 * are available (the legacy BSD APIs are not available) 573 */ 574#if __DARWIN_ONLY_UNIX_CONFORMANCE 575#define _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE 1 576#endif 577 578/* 579 * _DARWIN_FEATURE_UNIX_CONFORMANCE indicates whether UNIX conformance is on, 580 * and specifies the conformance level (3 is SUSv3) 581 */ 582#if __DARWIN_UNIX03 583#define _DARWIN_FEATURE_UNIX_CONFORMANCE 3 584#endif 585 586#endif /* !_CDEFS_H_ */ 587