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1.1 ! root 1: #ifndef _STDDEF_H ! 2: #ifndef _STDDEF_H_ ! 3: #ifndef _ANSI_STDDEF_H ! 4: #ifndef __STDDEF_H__ ! 5: ! 6: /* Any one of these symbols __need_* means that GNU libc ! 7: wants us just to define one data type. So don't define ! 8: the symbols that indicate this file's entire job has been done. */ ! 9: #if (!defined(__need_wchar_t) && !defined(__need_size_t) \ ! 10: && !defined(__need_ptrdiff_t) && !defined(__need_NULL)) ! 11: #define _STDDEF_H ! 12: #define _STDDEF_H_ ! 13: /* [email protected] says the NeXT needs this. */ ! 14: #define _ANSI_STDDEF_H ! 15: /* Irix 5.1 needs this. */ ! 16: #define __STDDEF_H__ ! 17: #endif ! 18: ! 19: #ifndef __sys_stdtypes_h ! 20: /* This avoids lossage on SunOS but only if stdtypes.h comes first. ! 21: There's no way to win with the other order! Sun lossage. */ ! 22: ! 23: /* On 4.3bsd-net2, make sure ansi.h is included, so we have ! 24: one less case to deal with in the following. */ ! 25: #if defined (__BSD_NET2__) || defined (____386BSD____) || defined (__FreeBSD__) || defined(__NetBSD__) ! 26: #include <machine/ansi.h> ! 27: #endif ! 28: ! 29: /* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are ! 30: defined if the corresponding type is *not* defined. */ ! 31: #ifdef _ANSI_H_ ! 32: #if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_) ! 33: #define _SIZE_T ! 34: #endif ! 35: #if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_) ! 36: #define _PTRDIFF_T ! 37: #endif ! 38: /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ ! 39: instead of _WCHAR_T_. */ ! 40: #if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_) ! 41: #ifndef _BSD_WCHAR_T_ ! 42: #define _WCHAR_T ! 43: #endif ! 44: #endif ! 45: /* Undef _FOO_T_ if we are supposed to define foo_t. */ ! 46: #if defined (__need_ptrdiff_t) || defined (_STDDEF_H_) ! 47: #undef _PTRDIFF_T_ ! 48: #undef _BSD_PTRDIFF_T_ ! 49: #endif ! 50: #if defined (__need_size_t) || defined (_STDDEF_H_) ! 51: #undef _SIZE_T_ ! 52: #undef _BSD_SIZE_T_ ! 53: #endif ! 54: #if defined (__need_wchar_t) || defined (_STDDEF_H_) ! 55: #undef _WCHAR_T_ ! 56: #undef _BSD_WCHAR_T_ ! 57: #endif ! 58: #endif /* _ANSI_H_ */ ! 59: ! 60: /* Sequent's header files use _PTRDIFF_T_ in some conflicting way. ! 61: Just ignore it. */ ! 62: #if defined (__sequent__) && defined (_PTRDIFF_T_) ! 63: #undef _PTRDIFF_T_ ! 64: #endif ! 65: ! 66: /* In case nobody has defined these types, but we aren't running under ! 67: GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE__TYPE__, and ! 68: __WCHAR_TYPE__ have reasonable values. This can happen if the ! 69: parts of GCC is compiled by an older compiler, that actually ! 70: include gstddef.h, such as collect2. */ ! 71: ! 72: /* Signed type of difference of two pointers. */ ! 73: ! 74: /* Define this type if we are doing the whole job, ! 75: or if we want this type in particular. */ ! 76: #if defined (_STDDEF_H) || defined (__need_ptrdiff_t) ! 77: #ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */ ! 78: #ifndef _T_PTRDIFF_ ! 79: #ifndef _T_PTRDIFF ! 80: #ifndef __PTRDIFF_T ! 81: #ifndef _PTRDIFF_T_ ! 82: #ifndef _BSD_PTRDIFF_T_ ! 83: #ifndef ___int_ptrdiff_t_h ! 84: #ifndef _GCC_PTRDIFF_T ! 85: #define _PTRDIFF_T ! 86: #define _T_PTRDIFF_ ! 87: #define _T_PTRDIFF ! 88: #define __PTRDIFF_T ! 89: #define _PTRDIFF_T_ ! 90: #define _BSD_PTRDIFF_T_ ! 91: #define ___int_ptrdiff_t_h ! 92: #define _GCC_PTRDIFF_T ! 93: #ifndef __PTRDIFF_TYPE__ ! 94: #define __PTRDIFF_TYPE__ long int ! 95: #endif ! 96: typedef __PTRDIFF_TYPE__ ptrdiff_t; ! 97: #endif /* _GCC_PTRDIFF_T */ ! 98: #endif /* ___int_ptrdiff_t_h */ ! 99: #endif /* _BSD_PTRDIFF_T_ */ ! 100: #endif /* _PTRDIFF_T_ */ ! 101: #endif /* __PTRDIFF_T */ ! 102: #endif /* _T_PTRDIFF */ ! 103: #endif /* _T_PTRDIFF_ */ ! 104: #endif /* _PTRDIFF_T */ ! 105: ! 106: /* If this symbol has done its job, get rid of it. */ ! 107: #undef __need_ptrdiff_t ! 108: ! 109: #endif /* _STDDEF_H or __need_ptrdiff_t. */ ! 110: ! 111: /* Unsigned type of `sizeof' something. */ ! 112: ! 113: /* Define this type if we are doing the whole job, ! 114: or if we want this type in particular. */ ! 115: #if defined (_STDDEF_H) || defined (__need_size_t) ! 116: #ifndef _SIZE_T /* in case <sys/types.h> has defined it. */ ! 117: #ifndef _SYS_SIZE_T_H ! 118: #ifndef _T_SIZE_ ! 119: #ifndef _T_SIZE ! 120: #ifndef __SIZE_T ! 121: #ifndef _SIZE_T_ ! 122: #ifndef _BSD_SIZE_T_ ! 123: #ifndef _SIZE_T_DEFINED_ ! 124: #ifndef ___int_size_t_h ! 125: #ifndef _GCC_SIZE_T ! 126: #ifndef _SIZET_ ! 127: #ifndef __size_t ! 128: #define _SIZE_T ! 129: #define _SYS_SIZE_T_H ! 130: #define _T_SIZE_ ! 131: #define _T_SIZE ! 132: #define __SIZE_T ! 133: #define _SIZE_T_ ! 134: #define _BSD_SIZE_T_ ! 135: #define _SIZE_T_DEFINED_ ! 136: #define ___int_size_t_h ! 137: #define _GCC_SIZE_T ! 138: #define _SIZET_ ! 139: #define __size_t ! 140: #ifndef __SIZE_TYPE__ ! 141: #define __SIZE_TYPE__ long unsigned int ! 142: #endif ! 143: #if !(defined (__GNUG__) && defined (size_t)) ! 144: typedef __SIZE_TYPE__ size_t; ! 145: #endif /* !(defined (__GNUG__) && defined (size_t)) */ ! 146: #endif /* __size_t */ ! 147: #endif /* _SIZET_ */ ! 148: #endif /* _GCC_SIZE_T */ ! 149: #endif /* ___int_size_t_h */ ! 150: #endif /* _SIZE_T_DEFINED_ */ ! 151: #endif /* _BSD_SIZE_T_ */ ! 152: #endif /* _SIZE_T_ */ ! 153: #endif /* __SIZE_T */ ! 154: #endif /* _T_SIZE */ ! 155: #endif /* _T_SIZE_ */ ! 156: #endif /* _SYS_SIZE_T_H */ ! 157: #endif /* _SIZE_T */ ! 158: #undef __need_size_t ! 159: #endif /* _STDDEF_H or __need_size_t. */ ! 160: ! 161: ! 162: /* Wide character type. ! 163: Locale-writers should change this as necessary to ! 164: be big enough to hold unique values not between 0 and 127, ! 165: and not (wchar_t) -1, for each defined multibyte character. */ ! 166: ! 167: /* Define this type if we are doing the whole job, ! 168: or if we want this type in particular. */ ! 169: #if defined (_STDDEF_H) || defined (__need_wchar_t) ! 170: #ifndef _WCHAR_T ! 171: #ifndef _T_WCHAR_ ! 172: #ifndef _T_WCHAR ! 173: #ifndef __WCHAR_T ! 174: #ifndef _WCHAR_T_ ! 175: #ifndef _BSD_WCHAR_T_ ! 176: #ifndef _WCHAR_T_DEFINED_ ! 177: #ifndef _WCHAR_T_H ! 178: #ifndef ___int_wchar_t_h ! 179: #ifndef __INT_WCHAR_T_H ! 180: #ifndef _GCC_WCHAR_T ! 181: #define _WCHAR_T ! 182: #define _T_WCHAR_ ! 183: #define _T_WCHAR ! 184: #define __WCHAR_T ! 185: #define _WCHAR_T_ ! 186: #define _BSD_WCHAR_T_ ! 187: #define _WCHAR_T_DEFINED_ ! 188: #define _WCHAR_T_H ! 189: #define ___int_wchar_t_h ! 190: #define __INT_WCHAR_T_H ! 191: #define _GCC_WCHAR_T ! 192: ! 193: /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ ! 194: instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other ! 195: symbols in the _FOO_T_ family, stays defined even after its ! 196: corresponding type is defined). If we define wchar_t, then we ! 197: must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if ! 198: we undef _WCHAR_T_, then we must also define rune_t, since ! 199: headers like runetype.h assume that if machine/ansi.h is included, ! 200: and _BSD_WCHAR_T_ is not defined, then rune_t is available. ! 201: machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of ! 202: the same type." */ ! 203: #ifdef _BSD_WCHAR_T_ ! 204: #undef _BSD_WCHAR_T_ ! 205: #ifdef _BSD_RUNE_T_ ! 206: #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) ! 207: typedef _BSD_RUNE_T_ rune_t; ! 208: #endif ! 209: #endif ! 210: #endif ! 211: ! 212: #ifndef __WCHAR_TYPE__ ! 213: #define __WCHAR_TYPE__ int ! 214: #endif ! 215: typedef __WCHAR_TYPE__ wchar_t; ! 216: #endif ! 217: #endif ! 218: #endif ! 219: #endif ! 220: #endif ! 221: #endif ! 222: #endif ! 223: #endif ! 224: #endif ! 225: #endif ! 226: #endif ! 227: #undef __need_wchar_t ! 228: #endif /* _STDDEF_H or __need_wchar_t. */ ! 229: ! 230: /* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc. ! 231: are already defined. */ ! 232: #ifdef _ANSI_H_ ! 233: /* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_ ! 234: are probably typos and should be removed before 2.7 is released. */ ! 235: #ifdef _GCC_PTRDIFF_T_ ! 236: #undef _PTRDIFF_T_ ! 237: #undef _BSD_PTRDIFF_T_ ! 238: #endif ! 239: #ifdef _GCC_SIZE_T_ ! 240: #undef _SIZE_T_ ! 241: #undef _BSD_SIZE_T_ ! 242: #endif ! 243: #ifdef _GCC_WCHAR_T_ ! 244: #undef _WCHAR_T_ ! 245: #undef _BSD_WCHAR_T_ ! 246: #endif ! 247: /* The following ones are the real ones. */ ! 248: #ifdef _GCC_PTRDIFF_T ! 249: #undef _PTRDIFF_T_ ! 250: #endif ! 251: #ifdef _GCC_SIZE_T ! 252: #undef _SIZE_T_ ! 253: #endif ! 254: #ifdef _GCC_WCHAR_T ! 255: #undef _WCHAR_T_ ! 256: #endif ! 257: #endif /* _ANSI_H_ */ ! 258: ! 259: #endif /* __sys_stdtypes_h */ ! 260: ! 261: /* A null pointer constant. */ ! 262: ! 263: #if defined (_STDDEF_H) || defined (__need_NULL) ! 264: #undef NULL /* in case <stdio.h> has defined it. */ ! 265: #define NULL ((void *)0) ! 266: #endif /* NULL not defined and <stddef.h> or need NULL. */ ! 267: #undef __need_NULL ! 268: ! 269: #ifdef _STDDEF_H ! 270: ! 271: /* Offset of member MEMBER in a struct of type TYPE. */ ! 272: ! 273: #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) ! 274: ! 275: #endif /* _STDDEF_H was defined this time */ ! 276: ! 277: #endif /* __STDDEF_H__ was not defined before */ ! 278: #endif /* _ANSI_STDDEF_H was not defined before */ ! 279: #endif /* _STDDEF_H_ was not defined before */ ! 280: #endif /* _STDDEF_H was not defined before */
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