external/gpl2/xcvs/dist/lib/stdint_.h

   1 /* Copyright (C) 2001-2002, 2004-2005 Free Software Foundation, Inc.
   2    Written by Bruno Haible, Sam Steingold, Peter Burwood.
   3    This file is part of gnulib.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2, or (at your option)
   8    any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #ifndef _STDINT_H
  20 #define _STDINT_H
  21
  22 /*
  23  * ISO C 99 <stdint.h> for platforms that lack it.
  24  * <http://www.opengroup.org/onlinepubs/007904975/basedefs/stdint.h.html>
  25  */
  26
  27 /* Get wchar_t, WCHAR_MIN, WCHAR_MAX.  */
  28 #include <stddef.h>
  29 /* Get CHAR_BIT, LONG_MIN, LONG_MAX, ULONG_MAX.  */
  30 #include <limits.h>
  31
  32 /* Get those types that are already defined in other system include files.  */
  33 #if defined(__FreeBSD__)
  34 # include <sys/inttypes.h>
  35 #endif
  36 #if defined(__sun) && HAVE_SYS_INTTYPES_H
  37 # include <sys/inttypes.h>
  38   /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
  39      the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX.
  40      But note that <sys/int_types.h> contains only the type definitions!  */
  41 # define _STDINT_H_HAVE_SYSTEM_INTTYPES
  42 #endif
  43 #if (defined(__hpux) || defined(_AIX)) && HAVE_INTTYPES_H
  44 # include <inttypes.h>
  45   /* HP-UX 10 <inttypes.h> has nearly everything, except UINT_LEAST8_MAX,
  46      UINT_FAST8_MAX, PTRDIFF_MIN, PTRDIFF_MAX.  */
  47   /* AIX 4 <inttypes.h> has nearly everything, except INTPTR_MIN, INTPTR_MAX,
  48      UINTPTR_MAX, PTRDIFF_MIN, PTRDIFF_MAX.  */
  49 # define _STDINT_H_HAVE_SYSTEM_INTTYPES
  50 #endif
  51 #if !(defined(UNIX_CYGWIN32) && defined(__BIT_TYPES_DEFINED__))
  52 # define _STDINT_H_NEED_SIGNED_INT_TYPES
  53 #endif
  54
  55 #if !defined(_STDINT_H_HAVE_SYSTEM_INTTYPES)
  56
  57 /* 7.18.1.1. Exact-width integer types */
  58
  59 #if !defined(__FreeBSD__)
  60
  61 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
  62 typedef signed char    int8_t;
  63 #endif
  64 typedef unsigned char  uint8_t;
  65
  66 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
  67 typedef short          int16_t;
  68 #endif
  69 typedef unsigned short uint16_t;
  70
  71 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
  72 typedef int            int32_t;
  73 #endif
  74 typedef unsigned int   uint32_t;
  75
  76 #if @HAVE_LONG_64BIT@
  77 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
  78 typedef long           int64_t;
  79 #endif
  80 typedef unsigned long  uint64_t;
  81 #define _STDINT_H_HAVE_INT64
  82 #elif @HAVE_LONG_LONG_64BIT@
  83 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
  84 typedef long long          int64_t;
  85 #endif
  86 typedef unsigned long long uint64_t;
  87 #define _STDINT_H_HAVE_INT64
  88 #elif defined(_MSC_VER)
  89 typedef __int64          int64_t;
  90 typedef unsigned __int64 uint64_t;
  91 #define _STDINT_H_HAVE_INT64
  92 #endif
  93
  94 #endif /* !FreeBSD */
  95
  96 /* 7.18.1.2. Minimum-width integer types */
  97
  98 typedef int8_t   int_least8_t;
  99 typedef uint8_t  uint_least8_t;
 100 typedef int16_t  int_least16_t;
 101 typedef uint16_t uint_least16_t;
 102 typedef int32_t  int_least32_t;
 103 typedef uint32_t uint_least32_t;
 104 #ifdef _STDINT_H_HAVE_INT64
 105 typedef int64_t  int_least64_t;
 106 typedef uint64_t uint_least64_t;
 107 #endif
 108
 109 /* 7.18.1.3. Fastest minimum-width integer types */
 110
 111 typedef int32_t  int_fast8_t;
 112 typedef uint32_t uint_fast8_t;
 113 typedef int32_t  int_fast16_t;
 114 typedef uint32_t uint_fast16_t;
 115 typedef int32_t  int_fast32_t;
 116 typedef uint32_t uint_fast32_t;
 117 #ifdef _STDINT_H_HAVE_INT64
 118 typedef int64_t  int_fast64_t;
 119 typedef uint64_t uint_fast64_t;
 120 #endif
 121
 122 /* 7.18.1.4. Integer types capable of holding object pointers */
 123
 124 #if !defined(__FreeBSD__)
 125
 126 /* On some platforms (like IRIX6 MIPS with -n32) sizeof(void*) < sizeof(long),
 127    but this doesn't matter here.  */
 128 typedef long          intptr_t;
 129 typedef unsigned long uintptr_t;
 130
 131 #endif /* !FreeBSD */
 132
 133 /* 7.18.1.5. Greatest-width integer types */
 134
 135 #ifdef _STDINT_H_HAVE_INT64
 136 typedef int64_t  intmax_t;
 137 typedef uint64_t uintmax_t;
 138 #else
 139 typedef int32_t  intmax_t;
 140 typedef uint32_t uintmax_t;
 141 #endif
 142
 143 /* 7.18.2. Limits of specified-width integer types */
 144
 145 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
 146
 147 /* 7.18.2.1. Limits of exact-width integer types */
 148
 149 #define INT8_MIN  -128
 150 #define INT8_MAX   127
 151 #define UINT8_MAX  255U
 152 #define INT16_MIN  -32768
 153 #define INT16_MAX   32767
 154 #define UINT16_MAX  65535U
 155 #define INT32_MIN   (~INT32_MAX)
 156 #define INT32_MAX   2147483647
 157 #define UINT32_MAX  4294967295U
 158 #ifdef _STDINT_H_HAVE_INT64
 159 #define INT64_MIN   (~INT64_MAX)
 160 #if @HAVE_LONG_64BIT@
 161 #define INT64_MAX   9223372036854775807L
 162 #define UINT64_MAX 18446744073709551615UL
 163 #elif @HAVE_LONG_LONG_64BIT@
 164 #define INT64_MAX   9223372036854775807LL
 165 #define UINT64_MAX 18446744073709551615ULL
 166 #elif defined(_MSC_VER)
 167 #define INT64_MAX   9223372036854775807i64
 168 #define UINT64_MAX 18446744073709551615ui64
 169 #endif
 170 #endif
 171
 172 /* 7.18.2.2. Limits of minimum-width integer types */
 173
 174 #define INT_LEAST8_MIN INT8_MIN
 175 #define INT_LEAST8_MAX INT8_MAX
 176 #define UINT_LEAST8_MAX UINT8_MAX
 177 #define INT_LEAST16_MIN INT16_MIN
 178 #define INT_LEAST16_MAX INT16_MAX
 179 #define UINT_LEAST16_MAX UINT16_MAX
 180 #define INT_LEAST32_MIN INT32_MIN
 181 #define INT_LEAST32_MAX INT32_MAX
 182 #define UINT_LEAST32_MAX UINT32_MAX
 183 #ifdef _STDINT_H_HAVE_INT64
 184 #define INT_LEAST64_MIN INT64_MIN
 185 #define INT_LEAST64_MAX INT64_MAX
 186 #define UINT_LEAST64_MAX UINT64_MAX
 187 #endif
 188
 189 /* 7.18.2.3. Limits of fastest minimum-width integer types */
 190
 191 #define INT_FAST8_MIN INT32_MIN
 192 #define INT_FAST8_MAX INT32_MAX
 193 #define UINT_FAST8_MAX UINT32_MAX
 194 #define INT_FAST16_MIN INT32_MIN
 195 #define INT_FAST16_MAX INT32_MAX
 196 #define UINT_FAST16_MAX UINT32_MAX
 197 #define INT_FAST32_MIN INT32_MIN
 198 #define INT_FAST32_MAX INT32_MAX
 199 #define UINT_FAST32_MAX UINT32_MAX
 200 #ifdef _STDINT_H_HAVE_INT64
 201 #define INT_FAST64_MIN INT64_MIN
 202 #define INT_FAST64_MAX INT64_MAX
 203 #define UINT_FAST64_MAX UINT64_MAX
 204 #endif
 205
 206 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
 207
 208 #define INTPTR_MIN LONG_MIN
 209 #define INTPTR_MAX LONG_MAX
 210 #define UINTPTR_MAX ULONG_MAX
 211
 212 /* 7.18.2.5. Limits of greatest-width integer types */
 213
 214 #ifdef _STDINT_H_HAVE_INT64
 215 #define INTMAX_MIN INT64_MIN
 216 #define INTMAX_MAX INT64_MAX
 217 #define UINTMAX_MAX UINT64_MAX
 218 #else
 219 #define INTMAX_MIN INT32_MIN
 220 #define INTMAX_MAX INT32_MAX
 221 #define UINTMAX_MAX UINT32_MAX
 222 #endif
 223
 224 /* 7.18.3. Limits of other integer types */
 225
 226 #define PTRDIFF_MIN (~(ptrdiff_t)0 << (sizeof(ptrdiff_t)*CHAR_BIT-1))
 227 #define PTRDIFF_MAX (~PTRDIFF_MIN)
 228
 229 /* This may be wrong...  */
 230 #define SIG_ATOMIC_MIN 0
 231 #define SIG_ATOMIC_MAX 127
 232
 233 #define SIZE_MAX (~(size_t)0)
 234
 235 /* wchar_t limits already defined in <stddef.h>.  */
 236 /* wint_t limits already defined in <wchar.h>.  */
 237
 238 #endif
 239
 240 /* 7.18.4. Macros for integer constants */
 241
 242 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
 243
 244 /* 7.18.4.1. Macros for minimum-width integer constants */
 245
 246 #define INT8_C(x) x
 247 #define UINT8_C(x) x##U
 248 #define INT16_C(x) x
 249 #define UINT16_C(x) x##U
 250 #define INT32_C(x) x
 251 #define UINT32_C(x) x##U
 252 #if @HAVE_LONG_64BIT@
 253 #define INT64_C(x) x##L
 254 #define UINT64_C(x) x##UL
 255 #elif @HAVE_LONG_LONG_64BIT@
 256 #define INT64_C(x) x##LL
 257 #define UINT64_C(x) x##ULL
 258 #elif defined(_MSC_VER)
 259 #define INT64_C(x) x##i64
 260 #define UINT64_C(x) x##ui64
 261 #endif
 262
 263 /* 7.18.4.2. Macros for greatest-width integer constants */
 264
 265 #if @HAVE_LONG_64BIT@
 266 #define INTMAX_C(x) x##L
 267 #define UINTMAX_C(x) x##UL
 268 #elif @HAVE_LONG_LONG_64BIT@
 269 #define INTMAX_C(x) x##LL
 270 #define UINTMAX_C(x) x##ULL
 271 #elif defined(_MSC_VER)
 272 #define INTMAX_C(x) x##i64
 273 #define UINTMAX_C(x) x##ui64
 274 #else
 275 #define INTMAX_C(x) x
 276 #define UINTMAX_C(x) x##U
 277 #endif
 278
 279 #endif
 280
 281 #endif  /* !_STDINT_H_HAVE_SYSTEM_INTTYPES */
 282
 283 #endif /* _STDINT_H */