1 /** 2 * This file has no copyright assigned and is placed in the Public Domain. 3 * This file is part of the w64 mingw-runtime package. 4 * No warranty is given; refer to the file DISCLAIMER within this package. 5 */ 6 7 #include <crtdefs.h> 8 9 #ifndef _INC_STDDEF 10 #define _INC_STDDEF 11 12 #ifdef __cplusplus 13 extern "C" { 14 #endif 15 16 #include <errno.h> 17 18 _CRTIMP extern unsigned long __cdecl __threadid(void); 19 #define _threadid (__threadid()) 20 _CRTIMP extern uintptr_t __cdecl __threadhandle(void); 21 22 #ifdef __cplusplus 23 } 24 #endif 25 26 #endif 27 28 /* 29 * ISO C Standard: 7.17 Common definitions <stddef.h> 30 */ 31 #if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \ 32 && !defined(__STDDEF_H__)) \ 33 || defined(__need_wchar_t) || defined(__need_size_t) \ 34 || defined(__need_ptrdiff_t) || defined(__need_NULL) \ 35 || defined(__need_wint_t) 36 37 /* Any one of these symbols __need_* means that GNU libc 38 wants us just to define one data type. So don't define 39 the symbols that indicate this file's entire job has been done. */ 40 #if (!defined(__need_wchar_t) && !defined(__need_size_t) \ 41 && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \ 42 && !defined(__need_wint_t)) 43 #define _STDDEF_H 44 #define _STDDEF_H_ 45 /* snaroff@next.com says the NeXT needs this. */ 46 #define _ANSI_STDDEF_H 47 /* Irix 5.1 needs this. */ 48 #define __STDDEF_H__ 49 #endif 50 51 #ifndef __sys_stdtypes_h 52 /* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are 53 defined if the corresponding type is *not* defined. 54 FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_ */ 55 #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) 56 #if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_) 57 #define _SIZE_T 58 #endif 59 #if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_) 60 #define _PTRDIFF_T 61 #endif 62 /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ 63 instead of _WCHAR_T_. */ 64 #if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_) 65 #ifndef _BSD_WCHAR_T_ 66 #define _WCHAR_T 67 #endif 68 #endif 69 /* Undef _FOO_T_ if we are supposed to define foo_t. */ 70 #if defined (__need_ptrdiff_t) || defined (_STDDEF_H_) 71 #undef _PTRDIFF_T_ 72 #undef _BSD_PTRDIFF_T_ 73 #endif 74 #if defined (__need_size_t) || defined (_STDDEF_H_) 75 #undef _SIZE_T_ 76 #undef _BSD_SIZE_T_ 77 #endif 78 #if defined (__need_wchar_t) || defined (_STDDEF_H_) 79 #undef _WCHAR_T_ 80 #undef _BSD_WCHAR_T_ 81 #endif 82 #endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) */ 83 84 /* Sequent's header files use _PTRDIFF_T_ in some conflicting way. 85 Just ignore it. */ 86 #if defined (__sequent__) && defined (_PTRDIFF_T_) 87 #undef _PTRDIFF_T_ 88 #endif 89 90 /* On VxWorks, <type/vxTypesBase.h> may have defined macros like 91 _TYPE_size_t which will typedef size_t. fixincludes patched the 92 vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is 93 not defined, and so that defining this macro defines _GCC_SIZE_T. 94 If we find that the macros are still defined at this point, we must 95 invoke them so that the type is defined as expected. */ 96 #if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_)) 97 _TYPE_ptrdiff_t; 98 #undef _TYPE_ptrdiff_t 99 #endif 100 #if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_)) 101 _TYPE_size_t; 102 #undef _TYPE_size_t 103 #endif 104 #if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_)) 105 _TYPE_wchar_t; 106 #undef _TYPE_wchar_t 107 #endif 108 109 /* In case nobody has defined these types, but we aren't running under 110 GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and 111 __WCHAR_TYPE__ have reasonable values. This can happen if the 112 parts of GCC is compiled by an older compiler, that actually 113 include gstddef.h, such as collect2. */ 114 115 /* Signed type of difference of two pointers. */ 116 117 /* Define this type if we are doing the whole job, 118 or if we want this type in particular. */ 119 #if defined (_STDDEF_H) || defined (__need_ptrdiff_t) 120 #ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */ 121 #ifndef _T_PTRDIFF_ 122 #ifndef _T_PTRDIFF 123 #ifndef __PTRDIFF_T 124 #ifndef _PTRDIFF_T_ 125 #ifndef _BSD_PTRDIFF_T_ 126 #ifndef ___int_ptrdiff_t_h 127 #ifndef _GCC_PTRDIFF_T 128 #define _PTRDIFF_T 129 #define _T_PTRDIFF_ 130 #define _T_PTRDIFF 131 #define __PTRDIFF_T 132 #define _PTRDIFF_T_ 133 #define _BSD_PTRDIFF_T_ 134 #define ___int_ptrdiff_t_h 135 #define _GCC_PTRDIFF_T 136 #ifndef __PTRDIFF_TYPE__ 137 #ifdef _WIN64 138 #define __PTRDIFF_TYPE__ long long int 139 #else 140 #define __PTRDIFF_TYPE__ long int 141 #endif 142 #endif 143 #ifndef _PTRDIFF_T_DEFINED 144 #define _PTRDIFF_T_DEFINED 145 __MINGW_EXTENSION typedef __PTRDIFF_TYPE__ ptrdiff_t; 146 #endif 147 #endif /* _GCC_PTRDIFF_T */ 148 #endif /* ___int_ptrdiff_t_h */ 149 #endif /* _BSD_PTRDIFF_T_ */ 150 #endif /* _PTRDIFF_T_ */ 151 #endif /* __PTRDIFF_T */ 152 #endif /* _T_PTRDIFF */ 153 #endif /* _T_PTRDIFF_ */ 154 #endif /* _PTRDIFF_T */ 155 156 /* If this symbol has done its job, get rid of it. */ 157 #undef __need_ptrdiff_t 158 159 #endif /* _STDDEF_H or __need_ptrdiff_t. */ 160 161 /* Unsigned type of `sizeof' something. */ 162 163 /* Define this type if we are doing the whole job, 164 or if we want this type in particular. */ 165 #if defined (_STDDEF_H) || defined (__need_size_t) 166 #ifndef __size_t__ /* BeOS */ 167 #ifndef __SIZE_T__ /* Cray Unicos/Mk */ 168 #ifndef _SIZE_T /* in case <sys/types.h> has defined it. */ 169 #ifndef _SYS_SIZE_T_H 170 #ifndef _T_SIZE_ 171 #ifndef _T_SIZE 172 #ifndef __SIZE_T 173 #ifndef _SIZE_T_ 174 #ifndef _BSD_SIZE_T_ 175 #ifndef _SIZE_T_DEFINED_ 176 #ifndef _SIZE_T_DEFINED 177 #ifndef _BSD_SIZE_T_DEFINED_ /* Darwin */ 178 #ifndef _SIZE_T_DECLARED /* FreeBSD 5 */ 179 #ifndef ___int_size_t_h 180 #ifndef _GCC_SIZE_T 181 #ifndef _SIZET_ 182 #ifndef __size_t 183 #define __size_t__ /* BeOS */ 184 #define __SIZE_T__ /* Cray Unicos/Mk */ 185 #define _SIZE_T 186 #define _SYS_SIZE_T_H 187 #define _T_SIZE_ 188 #define _T_SIZE 189 #define __SIZE_T 190 #define _SIZE_T_ 191 #define _BSD_SIZE_T_ 192 #define _SIZE_T_DEFINED_ 193 #define _SIZE_T_DEFINED 194 #define _BSD_SIZE_T_DEFINED_ /* Darwin */ 195 #define _SIZE_T_DECLARED /* FreeBSD 5 */ 196 #define ___int_size_t_h 197 #define _GCC_SIZE_T 198 #define _SIZET_ 199 #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) 200 /* __size_t is a typedef on FreeBSD 5!, must not trash it. */ 201 #else 202 #define __size_t 203 #endif 204 #ifndef __SIZE_TYPE__ 205 #ifdef _WIN64 206 #define __SIZE_TYPE__ long long unsigned int 207 #else 208 #define __SIZE_TYPE__ long unsigned int 209 #endif 210 #endif 211 #if !(defined (__GNUG__) && defined (size_t)) 212 __MINGW_EXTENSION typedef __SIZE_TYPE__ size_t; 213 #ifdef __BEOS__ 214 typedef long ssize_t; 215 #endif /* __BEOS__ */ 216 #endif /* !(defined (__GNUG__) && defined (size_t)) */ 217 #endif /* __size_t */ 218 #endif /* _SIZET_ */ 219 #endif /* _GCC_SIZE_T */ 220 #endif /* ___int_size_t_h */ 221 #endif /* _SIZE_T_DECLARED */ 222 #endif /* _BSD_SIZE_T_DEFINED_ */ 223 #endif /* _SIZE_T_DEFINED */ 224 #endif /* _SIZE_T_DEFINED_ */ 225 #endif /* _BSD_SIZE_T_ */ 226 #endif /* _SIZE_T_ */ 227 #endif /* __SIZE_T */ 228 #endif /* _T_SIZE */ 229 #endif /* _T_SIZE_ */ 230 #endif /* _SYS_SIZE_T_H */ 231 #endif /* _SIZE_T */ 232 #endif /* __SIZE_T__ */ 233 #endif /* __size_t__ */ 234 #undef __need_size_t 235 #endif /* _STDDEF_H or __need_size_t. */ 236 237 238 /* Wide character type. 239 Locale-writers should change this as necessary to 240 be big enough to hold unique values not between 0 and 127, 241 and not (wchar_t) -1, for each defined multibyte character. */ 242 243 /* Define this type if we are doing the whole job, 244 or if we want this type in particular. */ 245 #if defined (_STDDEF_H) || defined (__need_wchar_t) 246 #ifndef __wchar_t__ /* BeOS */ 247 #ifndef __WCHAR_T__ /* Cray Unicos/Mk */ 248 #ifndef _WCHAR_T 249 #ifndef _T_WCHAR_ 250 #ifndef _T_WCHAR 251 #ifndef __WCHAR_T 252 #ifndef _WCHAR_T_ 253 #ifndef _BSD_WCHAR_T_ 254 #ifndef _BSD_WCHAR_T_DEFINED_ /* Darwin */ 255 #ifndef _BSD_RUNE_T_DEFINED_ /* Darwin */ 256 #ifndef _WCHAR_T_DECLARED /* FreeBSD 5 */ 257 #ifndef _WCHAR_T_DEFINED_ 258 #ifndef _WCHAR_T_DEFINED 259 #ifndef _WCHAR_T_H 260 #ifndef ___int_wchar_t_h 261 #ifndef __INT_WCHAR_T_H 262 #ifndef _GCC_WCHAR_T 263 #define __wchar_t__ /* BeOS */ 264 #define __WCHAR_T__ /* Cray Unicos/Mk */ 265 #define _WCHAR_T 266 #define _T_WCHAR_ 267 #define _T_WCHAR 268 #define __WCHAR_T 269 #define _WCHAR_T_ 270 #define _BSD_WCHAR_T_ 271 #define _WCHAR_T_DEFINED_ 272 #define _WCHAR_T_DEFINED 273 #define _WCHAR_T_H 274 #define ___int_wchar_t_h 275 #define __INT_WCHAR_T_H 276 #define _GCC_WCHAR_T 277 #define _WCHAR_T_DECLARED 278 279 /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ 280 instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other 281 symbols in the _FOO_T_ family, stays defined even after its 282 corresponding type is defined). If we define wchar_t, then we 283 must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if 284 we undef _WCHAR_T_, then we must also define rune_t, since 285 headers like runetype.h assume that if machine/ansi.h is included, 286 and _BSD_WCHAR_T_ is not defined, then rune_t is available. 287 machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of 288 the same type." */ 289 #ifdef _BSD_WCHAR_T_ 290 #undef _BSD_WCHAR_T_ 291 #ifdef _BSD_RUNE_T_ 292 #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) 293 typedef _BSD_RUNE_T_ rune_t; 294 #define _BSD_WCHAR_T_DEFINED_ 295 #define _BSD_RUNE_T_DEFINED_ /* Darwin */ 296 #if defined (__FreeBSD__) && (__FreeBSD__ < 5) 297 /* Why is this file so hard to maintain properly? In contrast to 298 the comment above regarding BSD/386 1.1, on FreeBSD for as long 299 as the symbol has existed, _BSD_RUNE_T_ must not stay defined or 300 redundant typedefs will occur when stdlib.h is included after this file. */ 301 #undef _BSD_RUNE_T_ 302 #endif 303 #endif 304 #endif 305 #endif 306 307 #ifndef __WCHAR_TYPE__ 308 #define __WCHAR_TYPE__ unsigned short 309 #endif 310 #ifndef __cplusplus 311 typedef __WCHAR_TYPE__ wchar_t; 312 #endif 313 #endif 314 #endif 315 #endif 316 #endif 317 #endif 318 #endif 319 #endif /* _WCHAR_T_DECLARED */ 320 #endif /* _BSD_RUNE_T_DEFINED_ */ 321 #endif 322 #endif 323 #endif 324 #endif 325 #endif 326 #endif 327 #endif 328 #endif /* __WCHAR_T__ */ 329 #endif /* __wchar_t__ */ 330 #undef __need_wchar_t 331 #endif /* _STDDEF_H or __need_wchar_t. */ 332 333 /* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc. 334 are already defined. */ 335 /* BSD/OS 3.1 and FreeBSD [23].x require the MACHINE_ANSI_H check here. */ 336 #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) 337 /* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_ 338 are probably typos and should be removed before 2.8 is released. */ 339 #ifdef _GCC_PTRDIFF_T_ 340 #undef _PTRDIFF_T_ 341 #undef _BSD_PTRDIFF_T_ 342 #endif 343 #ifdef _GCC_SIZE_T_ 344 #undef _SIZE_T_ 345 #undef _BSD_SIZE_T_ 346 #endif 347 #ifdef _GCC_WCHAR_T_ 348 #undef _WCHAR_T_ 349 #undef _BSD_WCHAR_T_ 350 #endif 351 /* The following ones are the real ones. */ 352 #ifdef _GCC_PTRDIFF_T 353 #undef _PTRDIFF_T_ 354 #undef _BSD_PTRDIFF_T_ 355 #endif 356 #ifdef _GCC_SIZE_T 357 #undef _SIZE_T_ 358 #undef _BSD_SIZE_T_ 359 #endif 360 #ifdef _GCC_WCHAR_T 361 #undef _WCHAR_T_ 362 #undef _BSD_WCHAR_T_ 363 #endif 364 #endif /* _ANSI_H_ || _MACHINE_ANSI_H_ */ 365 366 #endif /* __sys_stdtypes_h */ 367 368 /* A null pointer constant. */ 369 #ifndef NULL 370 #ifdef __cplusplus 371 #define NULL 0 372 #else 373 #define NULL ((void*)0) 374 #endif 375 #endif 376 377 #ifndef offsetof 378 379 /* Offset of member MEMBER in a struct of type TYPE. */ 380 #if defined(__GNUC__) 381 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) 382 #else 383 #define offsetof(TYPE, MEMBER) ((size_t)&(((TYPE *)0)->MEMBER)) 384 #endif 385 386 #endif /* !offsetof */ 387 388 #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__ 389 || __need_XXX was not defined before */ 390