stdlib/inttypes.h

   1 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 /*
  19  *      ISO C99: 7.8 Format conversion of integer types <inttypes.h>
  20  */
  21
  22 #ifndef _INTTYPES_H
  23 #define _INTTYPES_H     1
  24
  25 #include <features.h>
  26 /* Get the type definitions.  */
  27 #include <stdint.h>
  28
  29 /* Get a definition for wchar_t.  But we must not define wchar_t itself.  */
  30 #ifndef ____gwchar_t_defined
  31 # ifdef __cplusplus
  32 #  define __gwchar_t wchar_t
  33 # elif defined __WCHAR_TYPE__
  34 typedef __WCHAR_TYPE__ __gwchar_t;
  35 # else
  36 #  define __need_wchar_t
  37 #  include <stddef.h>
  38 typedef wchar_t __gwchar_t;
  39 # endif
  40 # define ____gwchar_t_defined   1
  41 #endif
  42
  43 # if __WORDSIZE == 64
  44 #  define __PRI64_PREFIX        "l"
  45 #  define __PRIPTR_PREFIX       "l"
  46 # else
  47 #  define __PRI64_PREFIX        "ll"
  48 #  define __PRIPTR_PREFIX
  49 # endif
  50
  51 /* Macros for printing format specifiers.  */
  52
  53 /* Decimal notation.  */
  54 # define PRId8          "d"
  55 # define PRId16         "d"
  56 # define PRId32         "d"
  57 # define PRId64         __PRI64_PREFIX "d"
  58
  59 # define PRIdLEAST8     "d"
  60 # define PRIdLEAST16    "d"
  61 # define PRIdLEAST32    "d"
  62 # define PRIdLEAST64    __PRI64_PREFIX "d"
  63
  64 # define PRIdFAST8      "d"
  65 # define PRIdFAST16     __PRIPTR_PREFIX "d"
  66 # define PRIdFAST32     __PRIPTR_PREFIX "d"
  67 # define PRIdFAST64     __PRI64_PREFIX "d"
  68
  69
  70 # define PRIi8          "i"
  71 # define PRIi16         "i"
  72 # define PRIi32         "i"
  73 # define PRIi64         __PRI64_PREFIX "i"
  74
  75 # define PRIiLEAST8     "i"
  76 # define PRIiLEAST16    "i"
  77 # define PRIiLEAST32    "i"
  78 # define PRIiLEAST64    __PRI64_PREFIX "i"
  79
  80 # define PRIiFAST8      "i"
  81 # define PRIiFAST16     __PRIPTR_PREFIX "i"
  82 # define PRIiFAST32     __PRIPTR_PREFIX "i"
  83 # define PRIiFAST64     __PRI64_PREFIX "i"
  84
  85 /* Octal notation.  */
  86 # define PRIo8          "o"
  87 # define PRIo16         "o"
  88 # define PRIo32         "o"
  89 # define PRIo64         __PRI64_PREFIX "o"
  90
  91 # define PRIoLEAST8     "o"
  92 # define PRIoLEAST16    "o"
  93 # define PRIoLEAST32    "o"
  94 # define PRIoLEAST64    __PRI64_PREFIX "o"
  95
  96 # define PRIoFAST8      "o"
  97 # define PRIoFAST16     __PRIPTR_PREFIX "o"
  98 # define PRIoFAST32     __PRIPTR_PREFIX "o"
  99 # define PRIoFAST64     __PRI64_PREFIX "o"
 100
 101 /* Unsigned integers.  */
 102 # define PRIu8          "u"
 103 # define PRIu16         "u"
 104 # define PRIu32         "u"
 105 # define PRIu64         __PRI64_PREFIX "u"
 106
 107 # define PRIuLEAST8     "u"
 108 # define PRIuLEAST16    "u"
 109 # define PRIuLEAST32    "u"
 110 # define PRIuLEAST64    __PRI64_PREFIX "u"
 111
 112 # define PRIuFAST8      "u"
 113 # define PRIuFAST16     __PRIPTR_PREFIX "u"
 114 # define PRIuFAST32     __PRIPTR_PREFIX "u"
 115 # define PRIuFAST64     __PRI64_PREFIX "u"
 116
 117 /* lowercase hexadecimal notation.  */
 118 # define PRIx8          "x"
 119 # define PRIx16         "x"
 120 # define PRIx32         "x"
 121 # define PRIx64         __PRI64_PREFIX "x"
 122
 123 # define PRIxLEAST8     "x"
 124 # define PRIxLEAST16    "x"
 125 # define PRIxLEAST32    "x"
 126 # define PRIxLEAST64    __PRI64_PREFIX "x"
 127
 128 # define PRIxFAST8      "x"
 129 # define PRIxFAST16     __PRIPTR_PREFIX "x"
 130 # define PRIxFAST32     __PRIPTR_PREFIX "x"
 131 # define PRIxFAST64     __PRI64_PREFIX "x"
 132
 133 /* UPPERCASE hexadecimal notation.  */
 134 # define PRIX8          "X"
 135 # define PRIX16         "X"
 136 # define PRIX32         "X"
 137 # define PRIX64         __PRI64_PREFIX "X"
 138
 139 # define PRIXLEAST8     "X"
 140 # define PRIXLEAST16    "X"
 141 # define PRIXLEAST32    "X"
 142 # define PRIXLEAST64    __PRI64_PREFIX "X"
 143
 144 # define PRIXFAST8      "X"
 145 # define PRIXFAST16     __PRIPTR_PREFIX "X"
 146 # define PRIXFAST32     __PRIPTR_PREFIX "X"
 147 # define PRIXFAST64     __PRI64_PREFIX "X"
 148
 149
 150 /* Macros for printing `intmax_t' and `uintmax_t'.  */
 151 # define PRIdMAX        __PRI64_PREFIX "d"
 152 # define PRIiMAX        __PRI64_PREFIX "i"
 153 # define PRIoMAX        __PRI64_PREFIX "o"
 154 # define PRIuMAX        __PRI64_PREFIX "u"
 155 # define PRIxMAX        __PRI64_PREFIX "x"
 156 # define PRIXMAX        __PRI64_PREFIX "X"
 157
 158
 159 /* Macros for printing `intptr_t' and `uintptr_t'.  */
 160 # define PRIdPTR        __PRIPTR_PREFIX "d"
 161 # define PRIiPTR        __PRIPTR_PREFIX "i"
 162 # define PRIoPTR        __PRIPTR_PREFIX "o"
 163 # define PRIuPTR        __PRIPTR_PREFIX "u"
 164 # define PRIxPTR        __PRIPTR_PREFIX "x"
 165 # define PRIXPTR        __PRIPTR_PREFIX "X"
 166
 167
 168 /* Macros for scanning format specifiers.  */
 169
 170 /* Signed decimal notation.  */
 171 # define SCNd8          "hhd"
 172 # define SCNd16         "hd"
 173 # define SCNd32         "d"
 174 # define SCNd64         __PRI64_PREFIX "d"
 175
 176 # define SCNdLEAST8     "hhd"
 177 # define SCNdLEAST16    "hd"
 178 # define SCNdLEAST32    "d"
 179 # define SCNdLEAST64    __PRI64_PREFIX "d"
 180
 181 # define SCNdFAST8      "hhd"
 182 # define SCNdFAST16     __PRIPTR_PREFIX "d"
 183 # define SCNdFAST32     __PRIPTR_PREFIX "d"
 184 # define SCNdFAST64     __PRI64_PREFIX "d"
 185
 186 /* Signed decimal notation.  */
 187 # define SCNi8          "hhi"
 188 # define SCNi16         "hi"
 189 # define SCNi32         "i"
 190 # define SCNi64         __PRI64_PREFIX "i"
 191
 192 # define SCNiLEAST8     "hhi"
 193 # define SCNiLEAST16    "hi"
 194 # define SCNiLEAST32    "i"
 195 # define SCNiLEAST64    __PRI64_PREFIX "i"
 196
 197 # define SCNiFAST8      "hhi"
 198 # define SCNiFAST16     __PRIPTR_PREFIX "i"
 199 # define SCNiFAST32     __PRIPTR_PREFIX "i"
 200 # define SCNiFAST64     __PRI64_PREFIX "i"
 201
 202 /* Unsigned decimal notation.  */
 203 # define SCNu8          "hhu"
 204 # define SCNu16         "hu"
 205 # define SCNu32         "u"
 206 # define SCNu64         __PRI64_PREFIX "u"
 207
 208 # define SCNuLEAST8     "hhu"
 209 # define SCNuLEAST16    "hu"
 210 # define SCNuLEAST32    "u"
 211 # define SCNuLEAST64    __PRI64_PREFIX "u"
 212
 213 # define SCNuFAST8      "hhu"
 214 # define SCNuFAST16     __PRIPTR_PREFIX "u"
 215 # define SCNuFAST32     __PRIPTR_PREFIX "u"
 216 # define SCNuFAST64     __PRI64_PREFIX "u"
 217
 218 /* Octal notation.  */
 219 # define SCNo8          "hho"
 220 # define SCNo16         "ho"
 221 # define SCNo32         "o"
 222 # define SCNo64         __PRI64_PREFIX "o"
 223
 224 # define SCNoLEAST8     "hho"
 225 # define SCNoLEAST16    "ho"
 226 # define SCNoLEAST32    "o"
 227 # define SCNoLEAST64    __PRI64_PREFIX "o"
 228
 229 # define SCNoFAST8      "hho"
 230 # define SCNoFAST16     __PRIPTR_PREFIX "o"
 231 # define SCNoFAST32     __PRIPTR_PREFIX "o"
 232 # define SCNoFAST64     __PRI64_PREFIX "o"
 233
 234 /* Hexadecimal notation.  */
 235 # define SCNx8          "hhx"
 236 # define SCNx16         "hx"
 237 # define SCNx32         "x"
 238 # define SCNx64         __PRI64_PREFIX "x"
 239
 240 # define SCNxLEAST8     "hhx"
 241 # define SCNxLEAST16    "hx"
 242 # define SCNxLEAST32    "x"
 243 # define SCNxLEAST64    __PRI64_PREFIX "x"
 244
 245 # define SCNxFAST8      "hhx"
 246 # define SCNxFAST16     __PRIPTR_PREFIX "x"
 247 # define SCNxFAST32     __PRIPTR_PREFIX "x"
 248 # define SCNxFAST64     __PRI64_PREFIX "x"
 249
 250
 251 /* Macros for scanning `intmax_t' and `uintmax_t'.  */
 252 # define SCNdMAX        __PRI64_PREFIX "d"
 253 # define SCNiMAX        __PRI64_PREFIX "i"
 254 # define SCNoMAX        __PRI64_PREFIX "o"
 255 # define SCNuMAX        __PRI64_PREFIX "u"
 256 # define SCNxMAX        __PRI64_PREFIX "x"
 257
 258 /* Macros for scaning `intptr_t' and `uintptr_t'.  */
 259 # define SCNdPTR        __PRIPTR_PREFIX "d"
 260 # define SCNiPTR        __PRIPTR_PREFIX "i"
 261 # define SCNoPTR        __PRIPTR_PREFIX "o"
 262 # define SCNuPTR        __PRIPTR_PREFIX "u"
 263 # define SCNxPTR        __PRIPTR_PREFIX "x"
 264
 265
 266 __BEGIN_DECLS
 267
 268 #if __WORDSIZE == 64
 269
 270 /* We have to define the `uintmax_t' type using `ldiv_t'.  */
 271 typedef struct
 272   {
 273     long int quot;              /* Quotient.  */
 274     long int rem;               /* Remainder.  */
 275   } imaxdiv_t;
 276
 277 #else
 278
 279 /* We have to define the `uintmax_t' type using `lldiv_t'.  */
 280 typedef struct
 281   {
 282     __extension__ long long int quot;   /* Quotient.  */
 283     __extension__ long long int rem;    /* Remainder.  */
 284   } imaxdiv_t;
 285
 286 #endif
 287
 288
 289 /* Compute absolute value of N.  */
 290 extern intmax_t imaxabs (intmax_t __n) __THROW __attribute__ ((__const__));
 291
 292 /* Return the `imaxdiv_t' representation of the value of NUMER over DENOM. */
 293 extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
 294       __THROW __attribute__ ((__const__));
 295
 296 /* Like `strtol' but convert to `intmax_t'.  */
 297 extern intmax_t strtoimax (const char *__restrict __nptr,
 298                            char **__restrict __endptr, int __base) __THROW;
 299
 300 /* Like `strtoul' but convert to `uintmax_t'.  */
 301 extern uintmax_t strtoumax (const char *__restrict __nptr,
 302                             char ** __restrict __endptr, int __base) __THROW;
 303
 304 /* Like `wcstol' but convert to `intmax_t'.  */
 305 extern intmax_t wcstoimax (const __gwchar_t *__restrict __nptr,
 306                            __gwchar_t **__restrict __endptr, int __base)
 307      __THROW;
 308
 309 /* Like `wcstoul' but convert to `uintmax_t'.  */
 310 extern uintmax_t wcstoumax (const __gwchar_t *__restrict __nptr,
 311                             __gwchar_t ** __restrict __endptr, int __base)
 312      __THROW;
 313
 314 __END_DECLS
 315
 316 #endif /* inttypes.h */