| Commit | Line | Data |
|---|---|---|
| e4b17023 JM |
1 | /* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004, 2009, 2011 |
| 2 | Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GCC. | |
| 5 | ||
| 6 | GCC is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 3, or (at your option) | |
| 9 | any later version. | |
| 10 | ||
| 11 | GCC is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | Under Section 7 of GPL version 3, you are granted additional | |
| 17 | permissions described in the GCC Runtime Library Exception, version | |
| 18 | 3.1, as published by the Free Software Foundation. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License and | |
| 21 | a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | <http://www.gnu.org/licenses/>. */ | |
| 24 | ||
| 25 | /* | |
| 26 | * ISO C Standard: 7.17 Common definitions <stddef.h> | |
| 27 | */ | |
| 28 | #if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \ | |
| 29 | && !defined(__STDDEF_H__)) \ | |
| 30 | || defined(__need_wchar_t) || defined(__need_size_t) \ | |
| 31 | || defined(__need_ptrdiff_t) || defined(__need_NULL) \ | |
| 32 | || defined(__need_wint_t) | |
| 33 | ||
| 34 | /* Any one of these symbols __need_* means that GNU libc | |
| 35 | wants us just to define one data type. So don't define | |
| 36 | the symbols that indicate this file's entire job has been done. */ | |
| 37 | #if (!defined(__need_wchar_t) && !defined(__need_size_t) \ | |
| 38 | && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \ | |
| 39 | && !defined(__need_wint_t)) | |
| 40 | #define _STDDEF_H | |
| 41 | #define _STDDEF_H_ | |
| 42 | /* snaroff@next.com says the NeXT needs this. */ | |
| 43 | #define _ANSI_STDDEF_H | |
| 44 | /* Irix 5.1 needs this. */ | |
| 45 | #define __STDDEF_H__ | |
| 46 | #endif | |
| 47 | ||
| 48 | #ifndef __sys_stdtypes_h | |
| 49 | /* This avoids lossage on SunOS but only if stdtypes.h comes first. | |
| 50 | There's no way to win with the other order! Sun lossage. */ | |
| 51 | ||
| 52 | /* On 4.3bsd-net2, make sure ansi.h is included, so we have | |
| 53 | one less case to deal with in the following. */ | |
| 54 | #if defined (__BSD_NET2__) || defined (____386BSD____) || (defined (__FreeBSD__) && (__FreeBSD__ < 5)) || defined(__NetBSD__) | |
| 55 | #include <machine/ansi.h> | |
| fdc4107c JM |
56 | #if !defined(_MACHINE_ANSI_H_) |
| 57 | #if defined(_I386_ANSI_H_) || defined(_X86_64_ANSI_H_) | |
| 58 | #define _MACHINE_ANSI_H_ | |
| 59 | #endif | |
| 60 | #endif | |
| e4b17023 JM |
61 | #endif |
| 62 | /* On FreeBSD 5, machine/ansi.h does not exist anymore... */ | |
| 63 | #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) | |
| 64 | #include <sys/_types.h> | |
| 65 | #endif | |
| 66 | ||
| fdc4107c JM |
67 | #if defined(__DragonFly__) |
| 68 | #include <sys/types.h> | |
| 69 | #endif | |
| 70 | ||
| e4b17023 JM |
71 | /* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are |
| 72 | defined if the corresponding type is *not* defined. | |
| 73 | FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_. | |
| 74 | NetBSD defines _I386_ANSI_H_ and _X86_64_ANSI_H_ instead of _ANSI_H_ */ | |
| 75 | #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) || defined(_X86_64_ANSI_H_) || defined(_I386_ANSI_H_) | |
| 76 | #if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_) | |
| 77 | #define _SIZE_T | |
| 78 | #endif | |
| 79 | #if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_) | |
| 80 | #define _PTRDIFF_T | |
| 81 | #endif | |
| 82 | /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ | |
| 83 | instead of _WCHAR_T_. */ | |
| 84 | #if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_) | |
| 85 | #ifndef _BSD_WCHAR_T_ | |
| 86 | #define _WCHAR_T | |
| 87 | #endif | |
| 88 | #endif | |
| 89 | /* Undef _FOO_T_ if we are supposed to define foo_t. */ | |
| 90 | #if defined (__need_ptrdiff_t) || defined (_STDDEF_H_) | |
| 91 | #undef _PTRDIFF_T_ | |
| 92 | #undef _BSD_PTRDIFF_T_ | |
| 93 | #endif | |
| 94 | #if defined (__need_size_t) || defined (_STDDEF_H_) | |
| 95 | #undef _SIZE_T_ | |
| 96 | #undef _BSD_SIZE_T_ | |
| 97 | #endif | |
| 98 | #if defined (__need_wchar_t) || defined (_STDDEF_H_) | |
| 99 | #undef _WCHAR_T_ | |
| 100 | #undef _BSD_WCHAR_T_ | |
| 101 | #endif | |
| 102 | #endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) || defined(_X86_64_ANSI_H_) || defined(_I386_ANSI_H_) */ | |
| 103 | ||
| 104 | /* Sequent's header files use _PTRDIFF_T_ in some conflicting way. | |
| 105 | Just ignore it. */ | |
| 106 | #if defined (__sequent__) && defined (_PTRDIFF_T_) | |
| 107 | #undef _PTRDIFF_T_ | |
| 108 | #endif | |
| 109 | ||
| 110 | /* On VxWorks, <type/vxTypesBase.h> may have defined macros like | |
| 111 | _TYPE_size_t which will typedef size_t. fixincludes patched the | |
| 112 | vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is | |
| 113 | not defined, and so that defining this macro defines _GCC_SIZE_T. | |
| 114 | If we find that the macros are still defined at this point, we must | |
| 115 | invoke them so that the type is defined as expected. */ | |
| 116 | #if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_)) | |
| 117 | _TYPE_ptrdiff_t; | |
| 118 | #undef _TYPE_ptrdiff_t | |
| 119 | #endif | |
| 120 | #if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_)) | |
| 121 | _TYPE_size_t; | |
| 122 | #undef _TYPE_size_t | |
| 123 | #endif | |
| 124 | #if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_)) | |
| 125 | _TYPE_wchar_t; | |
| 126 | #undef _TYPE_wchar_t | |
| 127 | #endif | |
| 128 | ||
| 129 | /* In case nobody has defined these types, but we aren't running under | |
| 130 | GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and | |
| 131 | __WCHAR_TYPE__ have reasonable values. This can happen if the | |
| 132 | parts of GCC is compiled by an older compiler, that actually | |
| 133 | include gstddef.h, such as collect2. */ | |
| 134 | ||
| 135 | /* Signed type of difference of two pointers. */ | |
| 136 | ||
| 137 | /* Define this type if we are doing the whole job, | |
| 138 | or if we want this type in particular. */ | |
| 139 | #if defined (_STDDEF_H) || defined (__need_ptrdiff_t) | |
| 140 | #ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */ | |
| 141 | #ifndef _T_PTRDIFF_ | |
| 142 | #ifndef _T_PTRDIFF | |
| 143 | #ifndef __PTRDIFF_T | |
| 144 | #ifndef _PTRDIFF_T_ | |
| 145 | #ifndef _BSD_PTRDIFF_T_ | |
| 146 | #ifndef ___int_ptrdiff_t_h | |
| 147 | #ifndef _GCC_PTRDIFF_T | |
| fdc4107c | 148 | #ifndef _PTRDIFF_T_DECLARED /* DragonFly */ |
| e4b17023 JM |
149 | #define _PTRDIFF_T |
| 150 | #define _T_PTRDIFF_ | |
| 151 | #define _T_PTRDIFF | |
| 152 | #define __PTRDIFF_T | |
| 153 | #define _PTRDIFF_T_ | |
| 154 | #define _BSD_PTRDIFF_T_ | |
| 155 | #define ___int_ptrdiff_t_h | |
| 156 | #define _GCC_PTRDIFF_T | |
| fdc4107c | 157 | #define _PTRDIFF_T_DECLARED |
| e4b17023 JM |
158 | #ifndef __PTRDIFF_TYPE__ |
| 159 | #define __PTRDIFF_TYPE__ long int | |
| 160 | #endif | |
| 161 | typedef __PTRDIFF_TYPE__ ptrdiff_t; | |
| fdc4107c | 162 | #endif /* _PTRDIFF_T_DECLARED */ |
| e4b17023 JM |
163 | #endif /* _GCC_PTRDIFF_T */ |
| 164 | #endif /* ___int_ptrdiff_t_h */ | |
| 165 | #endif /* _BSD_PTRDIFF_T_ */ | |
| 166 | #endif /* _PTRDIFF_T_ */ | |
| 167 | #endif /* __PTRDIFF_T */ | |
| 168 | #endif /* _T_PTRDIFF */ | |
| 169 | #endif /* _T_PTRDIFF_ */ | |
| 170 | #endif /* _PTRDIFF_T */ | |
| 171 | ||
| 172 | /* If this symbol has done its job, get rid of it. */ | |
| 173 | #undef __need_ptrdiff_t | |
| 174 | ||
| 175 | #endif /* _STDDEF_H or __need_ptrdiff_t. */ | |
| 176 | ||
| 177 | /* Unsigned type of `sizeof' something. */ | |
| 178 | ||
| 179 | /* Define this type if we are doing the whole job, | |
| 180 | or if we want this type in particular. */ | |
| 181 | #if defined (_STDDEF_H) || defined (__need_size_t) | |
| 182 | #ifndef __size_t__ /* BeOS */ | |
| 183 | #ifndef __SIZE_T__ /* Cray Unicos/Mk */ | |
| 184 | #ifndef _SIZE_T /* in case <sys/types.h> has defined it. */ | |
| 185 | #ifndef _SYS_SIZE_T_H | |
| 186 | #ifndef _T_SIZE_ | |
| 187 | #ifndef _T_SIZE | |
| 188 | #ifndef __SIZE_T | |
| 189 | #ifndef _SIZE_T_ | |
| 190 | #ifndef _BSD_SIZE_T_ | |
| 191 | #ifndef _SIZE_T_DEFINED_ | |
| 192 | #ifndef _SIZE_T_DEFINED | |
| 193 | #ifndef _BSD_SIZE_T_DEFINED_ /* Darwin */ | |
| 194 | #ifndef _SIZE_T_DECLARED /* FreeBSD 5 */ | |
| 195 | #ifndef ___int_size_t_h | |
| 196 | #ifndef _GCC_SIZE_T | |
| 197 | #ifndef _SIZET_ | |
| 198 | #ifndef __size_t | |
| 199 | #define __size_t__ /* BeOS */ | |
| 200 | #define __SIZE_T__ /* Cray Unicos/Mk */ | |
| 201 | #define _SIZE_T | |
| 202 | #define _SYS_SIZE_T_H | |
| 203 | #define _T_SIZE_ | |
| 204 | #define _T_SIZE | |
| 205 | #define __SIZE_T | |
| 206 | #define _SIZE_T_ | |
| 207 | #define _BSD_SIZE_T_ | |
| 208 | #define _SIZE_T_DEFINED_ | |
| 209 | #define _SIZE_T_DEFINED | |
| 210 | #define _BSD_SIZE_T_DEFINED_ /* Darwin */ | |
| 211 | #define _SIZE_T_DECLARED /* FreeBSD 5 */ | |
| 212 | #define ___int_size_t_h | |
| 213 | #define _GCC_SIZE_T | |
| 214 | #define _SIZET_ | |
| 215 | #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \ | |
| fdc4107c | 216 | || defined(__DragonFly__) \ |
| e4b17023 JM |
217 | || defined(__FreeBSD_kernel__) |
| 218 | /* __size_t is a typedef on FreeBSD 5, must not trash it. */ | |
| 219 | #else | |
| 220 | #define __size_t | |
| 221 | #endif | |
| 222 | #ifndef __SIZE_TYPE__ | |
| 223 | #define __SIZE_TYPE__ long unsigned int | |
| 224 | #endif | |
| 225 | #if !(defined (__GNUG__) && defined (size_t)) | |
| 226 | typedef __SIZE_TYPE__ size_t; | |
| 227 | #ifdef __BEOS__ | |
| 228 | typedef long ssize_t; | |
| 229 | #endif /* __BEOS__ */ | |
| 230 | #endif /* !(defined (__GNUG__) && defined (size_t)) */ | |
| 231 | #endif /* __size_t */ | |
| 232 | #endif /* _SIZET_ */ | |
| 233 | #endif /* _GCC_SIZE_T */ | |
| 234 | #endif /* ___int_size_t_h */ | |
| 235 | #endif /* _SIZE_T_DECLARED */ | |
| 236 | #endif /* _BSD_SIZE_T_DEFINED_ */ | |
| 237 | #endif /* _SIZE_T_DEFINED */ | |
| 238 | #endif /* _SIZE_T_DEFINED_ */ | |
| 239 | #endif /* _BSD_SIZE_T_ */ | |
| 240 | #endif /* _SIZE_T_ */ | |
| 241 | #endif /* __SIZE_T */ | |
| 242 | #endif /* _T_SIZE */ | |
| 243 | #endif /* _T_SIZE_ */ | |
| 244 | #endif /* _SYS_SIZE_T_H */ | |
| 245 | #endif /* _SIZE_T */ | |
| 246 | #endif /* __SIZE_T__ */ | |
| 247 | #endif /* __size_t__ */ | |
| 248 | #undef __need_size_t | |
| 249 | #endif /* _STDDEF_H or __need_size_t. */ | |
| 250 | ||
| 251 | ||
| 252 | /* Wide character type. | |
| 253 | Locale-writers should change this as necessary to | |
| 254 | be big enough to hold unique values not between 0 and 127, | |
| 255 | and not (wchar_t) -1, for each defined multibyte character. */ | |
| 256 | ||
| 257 | /* Define this type if we are doing the whole job, | |
| 258 | or if we want this type in particular. */ | |
| 259 | #if defined (_STDDEF_H) || defined (__need_wchar_t) | |
| 260 | #ifndef __wchar_t__ /* BeOS */ | |
| 261 | #ifndef __WCHAR_T__ /* Cray Unicos/Mk */ | |
| 262 | #ifndef _WCHAR_T | |
| 263 | #ifndef _T_WCHAR_ | |
| 264 | #ifndef _T_WCHAR | |
| 265 | #ifndef __WCHAR_T | |
| 266 | #ifndef _WCHAR_T_ | |
| 267 | #ifndef _BSD_WCHAR_T_ | |
| 268 | #ifndef _BSD_WCHAR_T_DEFINED_ /* Darwin */ | |
| 269 | #ifndef _BSD_RUNE_T_DEFINED_ /* Darwin */ | |
| 270 | #ifndef _WCHAR_T_DECLARED /* FreeBSD 5 */ | |
| 271 | #ifndef _WCHAR_T_DEFINED_ | |
| 272 | #ifndef _WCHAR_T_DEFINED | |
| 273 | #ifndef _WCHAR_T_H | |
| 274 | #ifndef ___int_wchar_t_h | |
| 275 | #ifndef __INT_WCHAR_T_H | |
| 276 | #ifndef _GCC_WCHAR_T | |
| 277 | #define __wchar_t__ /* BeOS */ | |
| 278 | #define __WCHAR_T__ /* Cray Unicos/Mk */ | |
| 279 | #define _WCHAR_T | |
| 280 | #define _T_WCHAR_ | |
| 281 | #define _T_WCHAR | |
| 282 | #define __WCHAR_T | |
| 283 | #define _WCHAR_T_ | |
| 284 | #define _BSD_WCHAR_T_ | |
| 285 | #define _WCHAR_T_DEFINED_ | |
| 286 | #define _WCHAR_T_DEFINED | |
| 287 | #define _WCHAR_T_H | |
| 288 | #define ___int_wchar_t_h | |
| 289 | #define __INT_WCHAR_T_H | |
| 290 | #define _GCC_WCHAR_T | |
| 291 | #define _WCHAR_T_DECLARED | |
| 292 | ||
| 293 | /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ | |
| 294 | instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other | |
| 295 | symbols in the _FOO_T_ family, stays defined even after its | |
| 296 | corresponding type is defined). If we define wchar_t, then we | |
| 297 | must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if | |
| 298 | we undef _WCHAR_T_, then we must also define rune_t, since | |
| 299 | headers like runetype.h assume that if machine/ansi.h is included, | |
| 300 | and _BSD_WCHAR_T_ is not defined, then rune_t is available. | |
| 301 | machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of | |
| 302 | the same type." */ | |
| 303 | #ifdef _BSD_WCHAR_T_ | |
| 304 | #undef _BSD_WCHAR_T_ | |
| 305 | #ifdef _BSD_RUNE_T_ | |
| 306 | #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) | |
| 307 | typedef _BSD_RUNE_T_ rune_t; | |
| 308 | #define _BSD_WCHAR_T_DEFINED_ | |
| 309 | #define _BSD_RUNE_T_DEFINED_ /* Darwin */ | |
| 310 | #if defined (__FreeBSD__) && (__FreeBSD__ < 5) | |
| 311 | /* Why is this file so hard to maintain properly? In contrast to | |
| 312 | the comment above regarding BSD/386 1.1, on FreeBSD for as long | |
| 313 | as the symbol has existed, _BSD_RUNE_T_ must not stay defined or | |
| 314 | redundant typedefs will occur when stdlib.h is included after this file. */ | |
| 315 | #undef _BSD_RUNE_T_ | |
| 316 | #endif | |
| 317 | #endif | |
| 318 | #endif | |
| 319 | #endif | |
| 320 | /* FreeBSD 5 can't be handled well using "traditional" logic above | |
| 321 | since it no longer defines _BSD_RUNE_T_ yet still desires to export | |
| 322 | rune_t in some cases... */ | |
| fdc4107c | 323 | #if defined (__DragonFly__) || (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) |
| e4b17023 JM |
324 | #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) |
| 325 | #if __BSD_VISIBLE | |
| 326 | #ifndef _RUNE_T_DECLARED | |
| 327 | typedef __rune_t rune_t; | |
| 328 | #define _RUNE_T_DECLARED | |
| 329 | #endif | |
| 330 | #endif | |
| 331 | #endif | |
| 332 | #endif | |
| 333 | ||
| 334 | #ifndef __WCHAR_TYPE__ | |
| 335 | #define __WCHAR_TYPE__ int | |
| 336 | #endif | |
| 337 | #ifndef __cplusplus | |
| 338 | typedef __WCHAR_TYPE__ wchar_t; | |
| 339 | #endif | |
| 340 | #endif | |
| 341 | #endif | |
| 342 | #endif | |
| 343 | #endif | |
| 344 | #endif | |
| 345 | #endif | |
| 346 | #endif /* _WCHAR_T_DECLARED */ | |
| 347 | #endif /* _BSD_RUNE_T_DEFINED_ */ | |
| 348 | #endif | |
| 349 | #endif | |
| 350 | #endif | |
| 351 | #endif | |
| 352 | #endif | |
| 353 | #endif | |
| 354 | #endif | |
| 355 | #endif /* __WCHAR_T__ */ | |
| 356 | #endif /* __wchar_t__ */ | |
| 357 | #undef __need_wchar_t | |
| 358 | #endif /* _STDDEF_H or __need_wchar_t. */ | |
| 359 | ||
| 360 | #if defined (__need_wint_t) | |
| 361 | #ifndef _WINT_T | |
| 362 | #define _WINT_T | |
| 363 | ||
| 364 | #ifndef __WINT_TYPE__ | |
| 365 | #define __WINT_TYPE__ unsigned int | |
| 366 | #endif | |
| 367 | typedef __WINT_TYPE__ wint_t; | |
| 368 | #endif | |
| 369 | #undef __need_wint_t | |
| 370 | #endif | |
| 371 | ||
| 372 | /* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc. | |
| 373 | are already defined. */ | |
| 374 | /* BSD/OS 3.1 and FreeBSD [23].x require the MACHINE_ANSI_H check here. */ | |
| 375 | /* NetBSD 5 requires the I386_ANSI_H and X86_64_ANSI_H checks here. */ | |
| 376 | #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) || defined(_X86_64_ANSI_H_) || defined(_I386_ANSI_H_) | |
| 377 | /* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_ | |
| 378 | are probably typos and should be removed before 2.8 is released. */ | |
| 379 | #ifdef _GCC_PTRDIFF_T_ | |
| 380 | #undef _PTRDIFF_T_ | |
| 381 | #undef _BSD_PTRDIFF_T_ | |
| 382 | #endif | |
| 383 | #ifdef _GCC_SIZE_T_ | |
| 384 | #undef _SIZE_T_ | |
| 385 | #undef _BSD_SIZE_T_ | |
| 386 | #endif | |
| 387 | #ifdef _GCC_WCHAR_T_ | |
| 388 | #undef _WCHAR_T_ | |
| 389 | #undef _BSD_WCHAR_T_ | |
| 390 | #endif | |
| 391 | /* The following ones are the real ones. */ | |
| 392 | #ifdef _GCC_PTRDIFF_T | |
| 393 | #undef _PTRDIFF_T_ | |
| 394 | #undef _BSD_PTRDIFF_T_ | |
| 395 | #endif | |
| 396 | #ifdef _GCC_SIZE_T | |
| 397 | #undef _SIZE_T_ | |
| 398 | #undef _BSD_SIZE_T_ | |
| 399 | #endif | |
| 400 | #ifdef _GCC_WCHAR_T | |
| 401 | #undef _WCHAR_T_ | |
| 402 | #undef _BSD_WCHAR_T_ | |
| 403 | #endif | |
| 404 | #endif /* _ANSI_H_ || _MACHINE_ANSI_H_ || _X86_64_ANSI_H_ || _I386_ANSI_H_ */ | |
| 405 | ||
| 406 | #endif /* __sys_stdtypes_h */ | |
| 407 | ||
| 408 | /* A null pointer constant. */ | |
| 409 | ||
| 410 | #if defined (_STDDEF_H) || defined (__need_NULL) | |
| 411 | #undef NULL /* in case <stdio.h> has defined it. */ | |
| 412 | #ifdef __GNUG__ | |
| 413 | #define NULL __null | |
| 414 | #else /* G++ */ | |
| 415 | #ifndef __cplusplus | |
| 416 | #define NULL ((void *)0) | |
| 417 | #else /* C++ */ | |
| 418 | #define NULL 0 | |
| 419 | #endif /* C++ */ | |
| 420 | #endif /* G++ */ | |
| 421 | #endif /* NULL not defined and <stddef.h> or need NULL. */ | |
| 422 | #undef __need_NULL | |
| 423 | ||
| 424 | #ifdef _STDDEF_H | |
| 425 | ||
| 426 | /* Offset of member MEMBER in a struct of type TYPE. */ | |
| 427 | #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) | |
| 428 | ||
| 429 | #if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) \ | |
| 430 | || (defined(__cplusplus) && __cplusplus >= 201103L) | |
| 431 | #ifndef _GCC_MAX_ALIGN_T | |
| 432 | #define _GCC_MAX_ALIGN_T | |
| 433 | /* Type whose alignment is supported in every context and is at least | |
| 434 | as great as that of any standard type not using alignment | |
| 435 | specifiers. */ | |
| 436 | typedef struct { | |
| 437 | long long __max_align_ll __attribute__((__aligned__(__alignof__(long long)))); | |
| 438 | long double __max_align_ld __attribute__((__aligned__(__alignof__(long double)))); | |
| 439 | } max_align_t; | |
| 440 | #endif | |
| 441 | #endif /* C11 or C++11. */ | |
| 442 | ||
| 443 | #endif /* _STDDEF_H was defined this time */ | |
| 444 | ||
| 445 | #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__ | |
| 446 | || __need_XXX was not defined before */ |