stdint.h revision 199512
1193326Sed/*===---- stdint.h - Standard header for sized integer types --------------===*\ 2193326Sed * 3193326Sed * Copyright (c) 2009 Chris Lattner 4193326Sed * 5193326Sed * Permission is hereby granted, free of charge, to any person obtaining a copy 6193326Sed * of this software and associated documentation files (the "Software"), to deal 7193326Sed * in the Software without restriction, including without limitation the rights 8193326Sed * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9193326Sed * copies of the Software, and to permit persons to whom the Software is 10193326Sed * furnished to do so, subject to the following conditions: 11193326Sed * 12193326Sed * The above copyright notice and this permission notice shall be included in 13193326Sed * all copies or substantial portions of the Software. 14193326Sed * 15193326Sed * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16193326Sed * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17193326Sed * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18193326Sed * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19193326Sed * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20193326Sed * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21193326Sed * THE SOFTWARE. 22193326Sed * 23193326Sed\*===----------------------------------------------------------------------===*/ 24193326Sed 25193326Sed#ifndef __CLANG_STDINT_H 26193326Sed#define __CLANG_STDINT_H 27193326Sed 28193326Sed/* If we're hosted, fall back to the system's stdint.h, which might have 29193326Sed * additional definitions. 30193326Sed */ 31198893Srdivacky#if __STDC_HOSTED__ && \ 32198893Srdivacky defined(__has_include_next) && __has_include_next(<stdint.h>) 33193326Sed# include_next <stdint.h> 34193326Sed#else 35193326Sed 36193326Sed/* C99 7.18.1.1 Exact-width integer types. 37193326Sed * C99 7.18.1.2 Minimum-width integer types. 38193326Sed * C99 7.18.1.3 Fastest minimum-width integer types. 39199482Srdivacky * 40199482Srdivacky * The standard requires that exact-width type be defined for 8-, 16-, 32-, and 41199482Srdivacky * 64-bit types if they are implemented. Other exact width types are optional. 42199482Srdivacky * This implementation defines an exact-width types for every integer width 43199482Srdivacky * that is represented in the standard integer types. 44199482Srdivacky * 45199482Srdivacky * The standard also requires minimum-width types be defined for 8-, 16-, 32-, 46199482Srdivacky * and 64-bit widths regardless of whether there are corresponding exact-width 47199482Srdivacky * types. 48199482Srdivacky * 49199482Srdivacky * To accomodate targets that are missing types that are exactly 8, 16, 32, or 50199482Srdivacky * 64 bits wide, this implementation takes an approach of cascading 51199482Srdivacky * redefintions, redefining __int_leastN_t to successively smaller exact-width 52199482Srdivacky * types. It is therefore important that the types are defined in order of 53199482Srdivacky * descending widths. 54199482Srdivacky * 55199482Srdivacky * We currently assume that the minimum-width types and the fastest 56199482Srdivacky * minimum-width types are the same. This is allowed by the standard, but is 57199482Srdivacky * suboptimal. 58199482Srdivacky * 59199482Srdivacky * In violation of the standard, some targets do not implement a type that is 60199482Srdivacky * wide enough to represent all of the required widths (8-, 16-, 32-, 64-bit). 61199482Srdivacky * To accomodate these targets, a required minimum-width type is only 62199482Srdivacky * defined if there exists an exact-width type of equal or greater width. 63193326Sed */ 64193326Sed 65198954Srdivacky#ifdef __INT64_TYPE__ 66199482Srdivacky# ifndef __int8_t_defined /* glibc sys/types.h also defines int64_t*/ 67199482Srdivackytypedef signed __INT64_TYPE__ int64_t; 68199482Srdivacky# endif /* __int8_t_defined */ 69198954Srdivackytypedef unsigned __INT64_TYPE__ uint64_t; 70199482Srdivacky# define __int_least64_t int64_t 71199482Srdivacky# define __uint_least64_t uint64_t 72199482Srdivacky# define __int_least32_t int64_t 73199482Srdivacky# define __uint_least32_t uint64_t 74199482Srdivacky# define __int_least16_t int64_t 75199482Srdivacky# define __uint_least16_t uint64_t 76199482Srdivacky# define __int_least8_t int64_t 77199482Srdivacky# define __uint_least8_t uint64_t 78199482Srdivacky#endif /* __INT64_TYPE__ */ 79193326Sed 80199482Srdivacky#ifdef __int_least64_t 81199482Srdivackytypedef __int_least64_t int_least64_t; 82199482Srdivackytypedef __uint_least64_t uint_least64_t; 83199482Srdivackytypedef __int_least64_t int_fast64_t; 84199482Srdivackytypedef __uint_least64_t uint_fast64_t; 85199482Srdivacky#endif /* __int_least64_t */ 86199482Srdivacky 87199482Srdivacky#ifdef __INT56_TYPE__ 88199482Srdivackytypedef signed __INT56_TYPE__ int56_t; 89199482Srdivackytypedef unsigned __INT56_TYPE__ uint56_t; 90199482Srdivackytypedef int56_t int_least56_t; 91199482Srdivackytypedef uint56_t uint_least56_t; 92199482Srdivackytypedef int56_t int_fast56_t; 93199482Srdivackytypedef uint56_t uint_fast56_t; 94199482Srdivacky# define __int_least32_t int56_t 95199482Srdivacky# define __uint_least32_t uint56_t 96199482Srdivacky# define __int_least16_t int56_t 97199482Srdivacky# define __uint_least16_t uint56_t 98199482Srdivacky# define __int_least8_t int56_t 99199482Srdivacky# define __uint_least8_t uint56_t 100199482Srdivacky#endif /* __INT56_TYPE__ */ 101199482Srdivacky 102199482Srdivacky 103199482Srdivacky#ifdef __INT48_TYPE__ 104199482Srdivackytypedef signed __INT48_TYPE__ int48_t; 105199482Srdivackytypedef unsigned __INT48_TYPE__ uint48_t; 106199482Srdivackytypedef int48_t int_least48_t; 107199482Srdivackytypedef uint48_t uint_least48_t; 108199482Srdivackytypedef int48_t int_fast48_t; 109199482Srdivackytypedef uint48_t uint_fast48_t; 110199482Srdivacky# define __int_least32_t int48_t 111199482Srdivacky# define __uint_least32_t uint48_t 112199482Srdivacky# define __int_least16_t int48_t 113199482Srdivacky# define __uint_least16_t uint48_t 114199482Srdivacky# define __int_least8_t int48_t 115199482Srdivacky# define __uint_least8_t uint48_t 116199482Srdivacky#endif /* __INT48_TYPE__ */ 117199482Srdivacky 118199482Srdivacky 119199482Srdivacky#ifdef __INT40_TYPE__ 120199482Srdivackytypedef signed __INT40_TYPE__ int40_t; 121199482Srdivackytypedef unsigned __INT40_TYPE__ uint40_t; 122199482Srdivackytypedef int40_t int_least40_t; 123199482Srdivackytypedef uint40_t uint_least40_t; 124199482Srdivackytypedef int40_t int_fast40_t; 125199482Srdivackytypedef uint40_t uint_fast40_t; 126199482Srdivacky# define __int_least32_t int40_t 127199482Srdivacky# define __uint_least32_t uint40_t 128199482Srdivacky# define __int_least16_t int40_t 129199482Srdivacky# define __uint_least16_t uint40_t 130199482Srdivacky# define __int_least8_t int40_t 131199482Srdivacky# define __uint_least8_t uint40_t 132199482Srdivacky#endif /* __INT40_TYPE__ */ 133199482Srdivacky 134199482Srdivacky 135199482Srdivacky#ifdef __INT32_TYPE__ 136199482Srdivacky 137199482Srdivacky# ifndef __int8_t_defined /* glibc sys/types.h also defines int32_t*/ 138199482Srdivackytypedef signed __INT32_TYPE__ int32_t; 139199482Srdivacky# endif /* __int8_t_defined */ 140199482Srdivacky 141199482Srdivacky# ifndef __uint32_t_defined /* more glibc compatibility */ 142199482Srdivacky# define __uint32_t_defined 143193326Sedtypedef unsigned __INT32_TYPE__ uint32_t; 144199482Srdivacky# endif /* __uint32_t_defined */ 145193326Sed 146199482Srdivacky# define __int_least32_t int32_t 147199482Srdivacky# define __uint_least32_t uint32_t 148199482Srdivacky# define __int_least16_t int32_t 149199482Srdivacky# define __uint_least16_t uint32_t 150199482Srdivacky# define __int_least8_t int32_t 151199482Srdivacky# define __uint_least8_t uint32_t 152199482Srdivacky#endif /* __INT32_TYPE__ */ 153198954Srdivacky 154199482Srdivacky#ifdef __int_least32_t 155199482Srdivackytypedef __int_least32_t int_least32_t; 156199482Srdivackytypedef __uint_least32_t uint_least32_t; 157199482Srdivackytypedef __int_least32_t int_fast32_t; 158199482Srdivackytypedef __uint_least32_t uint_fast32_t; 159199482Srdivacky#endif /* __int_least32_t */ 160199482Srdivacky 161199482Srdivacky#ifdef __INT24_TYPE__ 162199482Srdivackytypedef signed __INT24_TYPE__ int24_t; 163199482Srdivackytypedef unsigned __INT24_TYPE__ uint24_t; 164199482Srdivackytypedef int24_t int_least24_t; 165199482Srdivackytypedef uint24_t uint_least24_t; 166199482Srdivackytypedef int24_t int_fast24_t; 167199482Srdivackytypedef uint24_t uint_fast24_t; 168199482Srdivacky# define __int_least16_t int24_t 169199482Srdivacky# define __uint_least16_t uint24_t 170199482Srdivacky# define __int_least8_t int24_t 171199482Srdivacky# define __uint_least8_t uint24_t 172199482Srdivacky#endif /* __INT24_TYPE__ */ 173199482Srdivacky 174199482Srdivacky#ifdef __INT16_TYPE__ 175199482Srdivacky#ifndef __int8_t_defined /* glibc sys/types.h also defines int16_t*/ 176199482Srdivackytypedef signed __INT16_TYPE__ int16_t; 177199482Srdivacky#endif /* __int8_t_defined */ 178198954Srdivackytypedef unsigned __INT16_TYPE__ uint16_t; 179199482Srdivacky# define __int_least16_t int16_t 180199482Srdivacky# define __uint_least16_t uint16_t 181199482Srdivacky# define __int_least8_t int16_t 182199482Srdivacky# define __uint_least8_t uint16_t 183199482Srdivacky#endif /* __INT16_TYPE__ */ 184193326Sed 185199482Srdivacky#ifdef __int_least16_t 186199482Srdivackytypedef __int_least16_t int_least16_t; 187199482Srdivackytypedef __uint_least16_t uint_least16_t; 188199482Srdivackytypedef __int_least16_t int_fast16_t; 189199482Srdivackytypedef __uint_least16_t uint_fast16_t; 190199482Srdivacky#endif /* __int_least16_t */ 191193326Sed 192199482Srdivacky 193199482Srdivacky#ifdef __INT8_TYPE__ 194199482Srdivacky#ifndef __int8_t_defined /* glibc sys/types.h also defines int8_t*/ 195198954Srdivackytypedef signed __INT8_TYPE__ int8_t; 196199482Srdivacky#endif /* __int8_t_defined */ 197198954Srdivackytypedef unsigned __INT8_TYPE__ uint8_t; 198199482Srdivacky# define __int_least8_t int8_t 199199482Srdivacky# define __uint_least8_t uint8_t 200199482Srdivacky#endif /* __INT8_TYPE__ */ 201198954Srdivacky 202199482Srdivacky#ifdef __int_least8_t 203199482Srdivackytypedef __int_least8_t int_least8_t; 204199482Srdivackytypedef __uint_least8_t uint_least8_t; 205199482Srdivackytypedef __int_least8_t int_fast8_t; 206199482Srdivackytypedef __uint_least8_t uint_fast8_t; 207199482Srdivacky#endif /* __int_least8_t */ 208199482Srdivacky 209198954Srdivacky/* prevent glibc sys/types.h from defining conflicting types */ 210198954Srdivacky#ifndef __int8_t_defined 211198954Srdivacky# define __int8_t_defined 212198954Srdivacky#endif /* __int8_t_defined */ 213198954Srdivacky 214193326Sed/* C99 7.18.1.4 Integer types capable of holding object pointers. 215193326Sed */ 216199512Srdivacky#define __stdint_join3(a,b,c) a ## b ## c 217199512Srdivacky#define __stdint_exjoin3(a,b,c) __stdint_join3(a,b,c) 218199512Srdivacky 219193326Sed#ifndef __intptr_t_defined 220199512Srdivackytypedef __stdint_exjoin3( int, __INTPTR_WIDTH__, _t) intptr_t; 221193326Sed#define __intptr_t_defined 222193326Sed#endif 223199512Srdivackytypedef __stdint_exjoin3(uint, __INTPTR_WIDTH__, _t) uintptr_t; 224193326Sed 225193326Sed/* C99 7.18.1.5 Greatest-width integer types. 226193326Sed */ 227199512Srdivackytypedef __stdint_exjoin3( int, __INTMAX_WIDTH__, _t) intmax_t; 228199512Srdivackytypedef __stdint_exjoin3(uint, __INTMAX_WIDTH__, _t) uintmax_t; 229193326Sed 230198954Srdivacky/* C99 7.18.4 Macros for minimum-width integer constants. 231198954Srdivacky * 232199482Srdivacky * The standard requires that integer constant macros be defined for all the 233199482Srdivacky * minimum-width types defined above. As 8-, 16-, 32-, and 64-bit minimum-width 234199482Srdivacky * types are required, the corresponding integer constant macros are defined 235199482Srdivacky * here. This implementation also defines minimum-width types for every other 236199482Srdivacky * integer width that the target implements, so corresponding macros are 237199482Srdivacky * defined below, too. 238199482Srdivacky * 239199482Srdivacky * These macros are defined using the same successive-shrinking approach as 240199482Srdivacky * the type definitions above. It is likewise important that macros are defined 241199482Srdivacky * in order of decending width. 242199482Srdivacky * 243198954Srdivacky * Note that C++ should not check __STDC_CONSTANT_MACROS here, contrary to the 244198954Srdivacky * claims of the C standard (see C++ 18.3.1p2, [cstdint.syn]). 245198954Srdivacky */ 246198954Srdivacky 247199482Srdivacky#define __int_c_join(a, b) a ## b 248199482Srdivacky#define __int_c(v, suffix) __int_c_join(v, suffix) 249199482Srdivacky#define __uint_c(v, suffix) __int_c_join(v##U, suffix) 250199482Srdivacky 251199482Srdivacky 252198954Srdivacky#ifdef __INT64_TYPE__ 253199482Srdivacky# ifdef __INT64_C_SUFFIX__ 254199482Srdivacky# define __int64_c_suffix __INT64_C_SUFFIX__ 255199482Srdivacky# define __int32_c_suffix __INT64_C_SUFFIX__ 256199482Srdivacky# define __int16_c_suffix __INT64_C_SUFFIX__ 257199482Srdivacky# define __int8_c_suffix __INT64_C_SUFFIX__ 258199482Srdivacky# else 259199482Srdivacky# undef __int64_c_suffix 260199482Srdivacky# undef __int32_c_suffix 261199482Srdivacky# undef __int16_c_suffix 262199482Srdivacky# undef __int8_c_suffix 263199482Srdivacky# endif /* __INT64_C_SUFFIX__ */ 264199482Srdivacky#endif /* __INT64_TYPE__ */ 265198954Srdivacky 266199482Srdivacky#ifdef __int_least64_t 267199482Srdivacky# ifdef __int64_c_suffix 268199482Srdivacky# define INT64_C(v) __int_c(v, __int64_c_suffix) 269199482Srdivacky# define UINT64_C(v) __uint_c(v, __int64_c_suffix) 270199482Srdivacky# else 271199482Srdivacky# define INT64_C(v) v 272199482Srdivacky# define UINT64_C(v) v ## U 273199482Srdivacky# endif /* __int64_c_suffix */ 274199482Srdivacky#endif /* __int_least64_t */ 275198954Srdivacky 276199482Srdivacky 277199482Srdivacky#ifdef __INT56_TYPE__ 278199482Srdivacky# ifdef __INT56_C_SUFFIX__ 279199482Srdivacky# define INT56_C(v) __int_c(v, __INT56_C_SUFFIX__) 280199482Srdivacky# define UINT56_C(v) __uint_c(v, __INT56_C_SUFFIX__) 281199482Srdivacky# define __int32_c_suffix __INT56_C_SUFFIX__ 282199482Srdivacky# define __int16_c_suffix __INT56_C_SUFFIX__ 283199482Srdivacky# define __int8_c_suffix __INT56_C_SUFFIX__ 284199482Srdivacky# else 285199482Srdivacky# define INT56_C(v) v 286199482Srdivacky# define UINT56_C(v) v ## U 287199482Srdivacky# undef __int32_c_suffix 288199482Srdivacky# undef __int16_c_suffix 289199482Srdivacky# undef __int8_c_suffix 290199482Srdivacky# endif /* __INT56_C_SUFFIX__ */ 291199482Srdivacky#endif /* __INT56_TYPE__ */ 292199482Srdivacky 293199482Srdivacky 294199482Srdivacky#ifdef __INT48_TYPE__ 295199482Srdivacky# ifdef __INT48_C_SUFFIX__ 296199482Srdivacky# define INT48_C(v) __int_c(v, __INT48_C_SUFFIX__) 297199482Srdivacky# define UINT48_C(v) __uint_c(v, __INT48_C_SUFFIX__) 298199482Srdivacky# define __int32_c_suffix __INT48_C_SUFFIX__ 299199482Srdivacky# define __int16_c_suffix __INT48_C_SUFFIX__ 300199482Srdivacky# define __int8_c_suffix __INT48_C_SUFFIX__ 301199482Srdivacky# else 302199482Srdivacky# define INT48_C(v) v 303199482Srdivacky# define UINT48_C(v) v ## U 304199482Srdivacky# undef __int32_c_suffix 305199482Srdivacky# undef __int16_c_suffix 306199482Srdivacky# undef __int8_c_suffix 307199482Srdivacky# endif /* __INT48_C_SUFFIX__ */ 308199482Srdivacky#endif /* __INT48_TYPE__ */ 309199482Srdivacky 310199482Srdivacky 311199482Srdivacky#ifdef __INT40_TYPE__ 312199482Srdivacky# ifdef __INT40_C_SUFFIX__ 313199482Srdivacky# define INT40_C(v) __int_c(v, __INT40_C_SUFFIX__) 314199482Srdivacky# define UINT40_C(v) __uint_c(v, __INT40_C_SUFFIX__) 315199482Srdivacky# define __int32_c_suffix __INT40_C_SUFFIX__ 316199482Srdivacky# define __int16_c_suffix __INT40_C_SUFFIX__ 317199482Srdivacky# define __int8_c_suffix __INT40_C_SUFFIX__ 318199482Srdivacky# else 319199482Srdivacky# define INT40_C(v) v 320199482Srdivacky# define UINT40_C(v) v ## U 321199482Srdivacky# undef __int32_c_suffix 322199482Srdivacky# undef __int16_c_suffix 323199482Srdivacky# undef __int8_c_suffix 324199482Srdivacky# endif /* __INT40_C_SUFFIX__ */ 325199482Srdivacky#endif /* __INT40_TYPE__ */ 326199482Srdivacky 327199482Srdivacky 328199482Srdivacky#ifdef __INT32_TYPE__ 329199482Srdivacky# ifdef __INT32_C_SUFFIX__ 330199482Srdivacky# define __int32_c_suffix __INT32_C_SUFFIX__ 331199482Srdivacky# define __int16_c_suffix __INT32_C_SUFFIX__ 332199482Srdivacky# define __int8_c_suffix __INT32_C_SUFFIX__ 333199482Srdivacky#else 334199482Srdivacky# undef __int32_c_suffix 335199482Srdivacky# undef __int16_c_suffix 336199482Srdivacky# undef __int8_c_suffix 337199482Srdivacky# endif /* __INT32_C_SUFFIX__ */ 338199482Srdivacky#endif /* __INT32_TYPE__ */ 339199482Srdivacky 340199482Srdivacky#ifdef __int_least32_t 341199482Srdivacky# ifdef __int32_c_suffix 342199482Srdivacky# define INT32_C(v) __int_c(v, __int32_c_suffix) 343199482Srdivacky# define UINT32_C(v) __uint_c(v, __int32_c_suffix) 344199482Srdivacky# else 345199482Srdivacky# define INT32_C(v) v 346199482Srdivacky# define UINT32_C(v) v ## U 347199482Srdivacky# endif /* __int32_c_suffix */ 348199482Srdivacky#endif /* __int_least32_t */ 349199482Srdivacky 350199482Srdivacky 351199482Srdivacky#ifdef __INT24_TYPE__ 352199482Srdivacky# ifdef __INT24_C_SUFFIX__ 353199482Srdivacky# define INT24_C(v) __int_c(v, __INT24_C_SUFFIX__) 354199482Srdivacky# define UINT24_C(v) __uint_c(v, __INT24_C_SUFFIX__) 355199482Srdivacky# define __int16_c_suffix __INT24_C_SUFFIX__ 356199482Srdivacky# define __int8_c_suffix __INT24_C_SUFFIX__ 357199482Srdivacky# else 358199482Srdivacky# define INT24_C(v) v 359199482Srdivacky# define UINT24_C(v) v ## U 360199482Srdivacky# undef __int16_c_suffix 361199482Srdivacky# undef __int8_c_suffix 362199482Srdivacky# endif /* __INT24_C_SUFFIX__ */ 363199482Srdivacky#endif /* __INT24_TYPE__ */ 364199482Srdivacky 365199482Srdivacky 366199482Srdivacky#ifdef __INT16_TYPE__ 367199482Srdivacky# ifdef __INT16_C_SUFFIX__ 368199482Srdivacky# define __int16_c_suffix __INT16_C_SUFFIX__ 369199482Srdivacky# define __int8_c_suffix __INT16_C_SUFFIX__ 370199482Srdivacky#else 371199482Srdivacky# undef __int16_c_suffix 372199482Srdivacky# undef __int8_c_suffix 373199482Srdivacky# endif /* __INT16_C_SUFFIX__ */ 374199482Srdivacky#endif /* __INT16_TYPE__ */ 375199482Srdivacky 376199482Srdivacky#ifdef __int_least16_t 377199482Srdivacky# ifdef __int16_c_suffix 378199482Srdivacky# define INT16_C(v) __int_c(v, __int16_c_suffix) 379199482Srdivacky# define UINT16_C(v) __uint_c(v, __int16_c_suffix) 380199482Srdivacky# else 381199482Srdivacky# define INT16_C(v) v 382199482Srdivacky# define UINT16_C(v) v ## U 383199482Srdivacky# endif /* __int16_c_suffix */ 384199482Srdivacky#endif /* __int_least16_t */ 385199482Srdivacky 386199482Srdivacky 387199482Srdivacky#ifdef __INT8_TYPE__ 388199482Srdivacky# ifdef __INT8_C_SUFFIX__ 389199482Srdivacky# define __int8_c_suffix __INT8_C_SUFFIX__ 390199482Srdivacky#else 391199482Srdivacky# undef __int8_c_suffix 392199482Srdivacky# endif /* __INT8_C_SUFFIX__ */ 393199482Srdivacky#endif /* __INT8_TYPE__ */ 394199482Srdivacky 395199482Srdivacky#ifdef __int_least8_t 396199482Srdivacky# ifdef __int8_c_suffix 397199482Srdivacky# define INT8_C(v) __int_c(v, __int8_c_suffix) 398199482Srdivacky# define UINT8_C(v) __uint_c(v, __int8_c_suffix) 399199482Srdivacky# else 400199482Srdivacky# define INT8_C(v) v 401199482Srdivacky# define UINT8_C(v) v ## U 402199482Srdivacky# endif /* __int8_c_suffix */ 403199482Srdivacky#endif /* __int_least8_t */ 404199482Srdivacky 405199482Srdivacky 406193326Sed/* C99 7.18.2.1 Limits of exact-width integer types. 407193326Sed * C99 7.18.2.2 Limits of minimum-width integer types. 408193326Sed * C99 7.18.2.3 Limits of fastest minimum-width integer types. 409193326Sed * 410199482Srdivacky * The presence of limit macros are completely optional in C99. This 411199482Srdivacky * implementation defines limits for all of the types (exact- and 412199482Srdivacky * minimum-width) that it defines above, using the limits of the minimum-width 413199482Srdivacky * type for any types that do not have exact-width representations. 414199482Srdivacky * 415199482Srdivacky * As in the type definitions, this section takes an approach of 416199482Srdivacky * successive-shrinking to determine which limits to use for the standard (8, 417199482Srdivacky * 16, 32, 64) bit widths when they don't have exact representations. It is 418199482Srdivacky * therefore important that the defintions be kept in order of decending 419199482Srdivacky * widths. 420199482Srdivacky * 421193326Sed * Note that C++ should not check __STDC_LIMIT_MACROS here, contrary to the 422193326Sed * claims of the C standard (see C++ 18.3.1p2, [cstdint.syn]). 423193326Sed */ 424193326Sed 425193326Sed#ifdef __INT64_TYPE__ 426199482Srdivacky# define INT64_MAX INT64_C( 9223372036854775807) 427199482Srdivacky# define INT64_MIN (-INT64_C( 9223372036854775807)-1) 428199482Srdivacky# define UINT64_MAX UINT64_C(18446744073709551615) 429199482Srdivacky# define __INT_LEAST64_MIN INT64_MIN 430199482Srdivacky# define __INT_LEAST64_MAX INT64_MAX 431199482Srdivacky# define __UINT_LEAST64_MAX UINT64_MAX 432199482Srdivacky# define __INT_LEAST32_MIN INT64_MIN 433199482Srdivacky# define __INT_LEAST32_MAX INT64_MAX 434199482Srdivacky# define __UINT_LEAST32_MAX UINT64_MAX 435199482Srdivacky# define __INT_LEAST16_MIN INT64_MIN 436199482Srdivacky# define __INT_LEAST16_MAX INT64_MAX 437199482Srdivacky# define __UINT_LEAST16_MAX UINT64_MAX 438199482Srdivacky# define __INT_LEAST8_MIN INT64_MIN 439199482Srdivacky# define __INT_LEAST8_MAX INT64_MAX 440199482Srdivacky# define __UINT_LEAST8_MAX UINT64_MAX 441199482Srdivacky#endif /* __INT64_TYPE__ */ 442193326Sed 443199482Srdivacky#ifdef __INT_LEAST64_MIN 444199482Srdivacky# define INT_LEAST64_MIN __INT_LEAST64_MIN 445199482Srdivacky# define INT_LEAST64_MAX __INT_LEAST64_MAX 446199482Srdivacky# define UINT_LEAST64_MAX __UINT_LEAST64_MAX 447199482Srdivacky# define INT_FAST64_MIN __INT_LEAST64_MIN 448199482Srdivacky# define INT_FAST64_MAX __INT_LEAST64_MAX 449199482Srdivacky# define UINT_FAST64_MAX __UINT_LEAST64_MAX 450199482Srdivacky#endif /* __INT_LEAST64_MIN */ 451198954Srdivacky 452198954Srdivacky 453199482Srdivacky#ifdef __INT56_TYPE__ 454199482Srdivacky# define INT56_MAX INT56_C(36028797018963967) 455199482Srdivacky# define INT56_MIN (-INT56_C(36028797018963967)-1) 456199482Srdivacky# define UINT56_MAX UINT56_C(72057594037927935) 457199482Srdivacky# define INT_LEAST56_MIN INT56_MIN 458199482Srdivacky# define INT_LEAST56_MAX INT56_MAX 459199482Srdivacky# define UINT_LEAST56_MAX UINT56_MAX 460199482Srdivacky# define INT_FAST56_MIN INT56_MIN 461199482Srdivacky# define INT_FAST56_MAX INT56_MAX 462199482Srdivacky# define UINT_FAST56_MAX UINT56_MAX 463199482Srdivacky# define __INT_LEAST32_MIN INT56_MIN 464199482Srdivacky# define __INT_LEAST32_MAX INT56_MAX 465199482Srdivacky# define __UINT_LEAST32_MAX UINT56_MAX 466199482Srdivacky# define __INT_LEAST16_MIN INT56_MIN 467199482Srdivacky# define __INT_LEAST16_MAX INT56_MAX 468199482Srdivacky# define __UINT_LEAST16_MAX UINT56_MAX 469199482Srdivacky# define __INT_LEAST8_MIN INT56_MIN 470199482Srdivacky# define __INT_LEAST8_MAX INT56_MAX 471199482Srdivacky# define __UINT_LEAST8_MAX UINT56_MAX 472199482Srdivacky#endif /* __INT56_TYPE__ */ 473198954Srdivacky 474199482Srdivacky 475199482Srdivacky#ifdef __INT48_TYPE__ 476199482Srdivacky# define INT48_MAX INT48_C(140737488355327) 477199482Srdivacky# define INT48_MIN (-INT48_C(140737488355327)-1) 478199482Srdivacky# define UINT48_MAX UINT48_C(281474976710655) 479199482Srdivacky# define INT_LEAST48_MIN INT48_MIN 480199482Srdivacky# define INT_LEAST48_MAX INT48_MAX 481199482Srdivacky# define UINT_LEAST48_MAX UINT48_MAX 482199482Srdivacky# define INT_FAST48_MIN INT48_MIN 483199482Srdivacky# define INT_FAST48_MAX INT48_MAX 484199482Srdivacky# define UINT_FAST48_MAX UINT48_MAX 485199482Srdivacky# define __INT_LEAST32_MIN INT48_MIN 486199482Srdivacky# define __INT_LEAST32_MAX INT48_MAX 487199482Srdivacky# define __UINT_LEAST32_MAX UINT48_MAX 488199482Srdivacky# define __INT_LEAST16_MIN INT48_MIN 489199482Srdivacky# define __INT_LEAST16_MAX INT48_MAX 490199482Srdivacky# define __UINT_LEAST16_MAX UINT48_MAX 491199482Srdivacky# define __INT_LEAST8_MIN INT48_MIN 492199482Srdivacky# define __INT_LEAST8_MAX INT48_MAX 493199482Srdivacky# define __UINT_LEAST8_MAX UINT48_MAX 494199482Srdivacky#endif /* __INT48_TYPE__ */ 495199482Srdivacky 496199482Srdivacky 497199482Srdivacky#ifdef __INT40_TYPE__ 498199482Srdivacky# define INT40_MAX INT40_C(549755813887) 499199482Srdivacky# define INT40_MIN (-INT40_C(549755813887)-1) 500199482Srdivacky# define UINT40_MAX UINT40_C(1099511627775) 501199482Srdivacky# define INT_LEAST40_MIN INT40_MIN 502199482Srdivacky# define INT_LEAST40_MAX INT40_MAX 503199482Srdivacky# define UINT_LEAST40_MAX UINT40_MAX 504199482Srdivacky# define INT_FAST40_MIN INT40_MIN 505199482Srdivacky# define INT_FAST40_MAX INT40_MAX 506199482Srdivacky# define UINT_FAST40_MAX UINT40_MAX 507199482Srdivacky# define __INT_LEAST32_MIN INT40_MIN 508199482Srdivacky# define __INT_LEAST32_MAX INT40_MAX 509199482Srdivacky# define __UINT_LEAST32_MAX UINT40_MAX 510199482Srdivacky# define __INT_LEAST16_MIN INT40_MIN 511199482Srdivacky# define __INT_LEAST16_MAX INT40_MAX 512199482Srdivacky# define __UINT_LEAST16_MAX UINT40_MAX 513199482Srdivacky# define __INT_LEAST8_MIN INT40_MIN 514199482Srdivacky# define __INT_LEAST8_MAX INT40_MAX 515199482Srdivacky# define __UINT_LEAST8_MAX UINT40_MAX 516199482Srdivacky#endif /* __INT40_TYPE__ */ 517199482Srdivacky 518199482Srdivacky 519199482Srdivacky#ifdef __INT32_TYPE__ 520199482Srdivacky# define INT32_MAX INT32_C(2147483647) 521199482Srdivacky# define INT32_MIN (-INT32_C(2147483647)-1) 522199482Srdivacky# define UINT32_MAX UINT32_C(4294967295) 523199482Srdivacky# define __INT_LEAST32_MIN INT32_MIN 524199482Srdivacky# define __INT_LEAST32_MAX INT32_MAX 525199482Srdivacky# define __UINT_LEAST32_MAX UINT32_MAX 526199482Srdivacky# define __INT_LEAST16_MIN INT32_MIN 527199482Srdivacky# define __INT_LEAST16_MAX INT32_MAX 528199482Srdivacky# define __UINT_LEAST16_MAX UINT32_MAX 529199482Srdivacky# define __INT_LEAST8_MIN INT32_MIN 530199482Srdivacky# define __INT_LEAST8_MAX INT32_MAX 531199482Srdivacky# define __UINT_LEAST8_MAX UINT32_MAX 532199482Srdivacky#endif /* __INT32_TYPE__ */ 533199482Srdivacky 534199482Srdivacky#ifdef __INT_LEAST32_MIN 535199482Srdivacky# define INT_LEAST32_MIN __INT_LEAST32_MIN 536199482Srdivacky# define INT_LEAST32_MAX __INT_LEAST32_MAX 537199482Srdivacky# define UINT_LEAST32_MAX __UINT_LEAST32_MAX 538199482Srdivacky# define INT_FAST32_MIN __INT_LEAST32_MIN 539199482Srdivacky# define INT_FAST32_MAX __INT_LEAST32_MAX 540199482Srdivacky# define UINT_FAST32_MAX __UINT_LEAST32_MAX 541199482Srdivacky#endif /* __INT_LEAST32_MIN */ 542199482Srdivacky 543199482Srdivacky 544199482Srdivacky#ifdef __INT24_TYPE__ 545199482Srdivacky# define INT24_MAX INT24_C(8388607) 546199482Srdivacky# define INT24_MIN (-INT24_C(8388607)-1) 547199482Srdivacky# define UINT24_MAX UINT24_C(16777215) 548199482Srdivacky# define INT_LEAST24_MIN INT24_MIN 549199482Srdivacky# define INT_LEAST24_MAX INT24_MAX 550199482Srdivacky# define UINT_LEAST24_MAX UINT24_MAX 551199482Srdivacky# define INT_FAST24_MIN INT24_MIN 552199482Srdivacky# define INT_FAST24_MAX INT24_MAX 553199482Srdivacky# define UINT_FAST24_MAX UINT24_MAX 554199482Srdivacky# define __INT_LEAST16_MIN INT24_MIN 555199482Srdivacky# define __INT_LEAST16_MAX INT24_MAX 556199482Srdivacky# define __UINT_LEAST16_MAX UINT24_MAX 557199482Srdivacky# define __INT_LEAST8_MIN INT24_MIN 558199482Srdivacky# define __INT_LEAST8_MAX INT24_MAX 559199482Srdivacky# define __UINT_LEAST8_MAX UINT24_MAX 560199482Srdivacky#endif /* __INT24_TYPE__ */ 561199482Srdivacky 562199482Srdivacky 563199482Srdivacky#ifdef __INT16_TYPE__ 564199482Srdivacky#define INT16_MAX INT16_C(32767) 565199482Srdivacky#define INT16_MIN (-INT16_C(32767)-1) 566199482Srdivacky#define UINT16_MAX UINT16_C(65535) 567199482Srdivacky# define __INT_LEAST16_MIN INT16_MIN 568199482Srdivacky# define __INT_LEAST16_MAX INT16_MAX 569199482Srdivacky# define __UINT_LEAST16_MAX UINT16_MAX 570199482Srdivacky# define __INT_LEAST8_MIN INT16_MIN 571199482Srdivacky# define __INT_LEAST8_MAX INT16_MAX 572199482Srdivacky# define __UINT_LEAST8_MAX UINT16_MAX 573199482Srdivacky#endif /* __INT16_TYPE__ */ 574199482Srdivacky 575199482Srdivacky#ifdef __INT_LEAST16_MIN 576199482Srdivacky# define INT_LEAST16_MIN __INT_LEAST16_MIN 577199482Srdivacky# define INT_LEAST16_MAX __INT_LEAST16_MAX 578199482Srdivacky# define UINT_LEAST16_MAX __UINT_LEAST16_MAX 579199482Srdivacky# define INT_FAST16_MIN __INT_LEAST16_MIN 580199482Srdivacky# define INT_FAST16_MAX __INT_LEAST16_MAX 581199482Srdivacky# define UINT_FAST16_MAX __UINT_LEAST16_MAX 582199482Srdivacky#endif /* __INT_LEAST16_MIN */ 583199482Srdivacky 584199482Srdivacky 585199482Srdivacky#ifdef __INT8_TYPE__ 586199482Srdivacky# define INT8_MAX INT8_C(127) 587199482Srdivacky# define INT8_MIN (-INT8_C(127)-1) 588199482Srdivacky# define UINT8_MAX UINT8_C(255) 589199482Srdivacky# define __INT_LEAST8_MIN INT8_MIN 590199482Srdivacky# define __INT_LEAST8_MAX INT8_MAX 591199482Srdivacky# define __UINT_LEAST8_MAX UINT8_MAX 592199482Srdivacky#endif /* __INT8_TYPE__ */ 593199482Srdivacky 594199482Srdivacky#ifdef __INT_LEAST8_MIN 595199482Srdivacky# define INT_LEAST8_MIN __INT_LEAST8_MIN 596199482Srdivacky# define INT_LEAST8_MAX __INT_LEAST8_MAX 597199482Srdivacky# define UINT_LEAST8_MAX __UINT_LEAST8_MAX 598199482Srdivacky# define INT_FAST8_MIN __INT_LEAST8_MIN 599199482Srdivacky# define INT_FAST8_MAX __INT_LEAST8_MAX 600199482Srdivacky# define UINT_FAST8_MAX __UINT_LEAST8_MAX 601199482Srdivacky#endif /* __INT_LEAST8_MIN */ 602199482Srdivacky 603193326Sed/* C99 7.18.2.4 Limits of integer types capable of holding object pointers. */ 604193326Sed/* C99 7.18.3 Limits of other integer types. */ 605193326Sed 606199512Srdivacky#define INTPTR_MIN __stdint_exjoin3( INT, __INTPTR_WIDTH__, _MIN) 607199512Srdivacky#define INTPTR_MAX __stdint_exjoin3( INT, __INTPTR_WIDTH__, _MAX) 608199512Srdivacky#define UINTPTR_MAX __stdint_exjoin3(UINT, __INTPTR_WIDTH__, _MAX) 609199512Srdivacky 610193326Sed#if __POINTER_WIDTH__ == 64 611193326Sed 612193326Sed#define PTRDIFF_MIN INT64_MIN 613193326Sed#define PTRDIFF_MAX INT64_MAX 614193326Sed#define SIZE_MAX UINT64_MAX 615193326Sed 616193326Sed#elif __POINTER_WIDTH__ == 32 617193326Sed 618193326Sed#define PTRDIFF_MIN INT32_MIN 619193326Sed#define PTRDIFF_MAX INT32_MAX 620193326Sed#define SIZE_MAX UINT32_MAX 621193326Sed 622193326Sed#elif __POINTER_WIDTH__ == 16 623193326Sed 624193326Sed#define PTRDIFF_MIN INT16_MIN 625193326Sed#define PTRDIFF_MAX INT16_MAX 626193326Sed#define SIZE_MAX UINT16_MAX 627193326Sed 628193326Sed#else 629193326Sed#error "unknown or unset pointer width!" 630193326Sed#endif 631193326Sed 632193326Sed/* C99 7.18.2.5 Limits of greatest-width integer types. */ 633199512Srdivacky#define INTMAX_MIN __stdint_exjoin3( INT, __INTMAX_WIDTH__, _MIN) 634199512Srdivacky#define INTMAX_MAX __stdint_exjoin3( INT, __INTMAX_WIDTH__, _MAX) 635199512Srdivacky#define UINTMAX_MAX __stdint_exjoin3(UINT, __INTMAX_WIDTH__, _MAX) 636193326Sed 637193326Sed/* C99 7.18.3 Limits of other integer types. */ 638193326Sed#define SIG_ATOMIC_MIN INT32_MIN 639193326Sed#define SIG_ATOMIC_MAX INT32_MAX 640193326Sed#define WINT_MIN INT32_MIN 641193326Sed#define WINT_MAX INT32_MAX 642193326Sed 643193326Sed/* FIXME: if we ever support a target with unsigned wchar_t, this should be 644193326Sed * 0 .. Max. 645193326Sed */ 646193326Sed#ifndef WCHAR_MAX 647193326Sed#define WCHAR_MAX __WCHAR_MAX__ 648193326Sed#endif 649193326Sed#ifndef WCHAR_MIN 650193326Sed#define WCHAR_MIN (-__WCHAR_MAX__-1) 651193326Sed#endif 652193326Sed 653193326Sed/* 7.18.4.2 Macros for greatest-width integer constants. */ 654199512Srdivacky#define INTMAX_C(v) __stdint_exjoin3( INT, __INTMAX_WIDTH__, _C(v)) 655199512Srdivacky#define UINTMAX_C(v) __stdint_exjoin3(UINT, __INTMAX_WIDTH__, _C(v)) 656193326Sed 657193326Sed#endif /* __STDC_HOSTED__ */ 658193326Sed#endif /* __CLANG_STDINT_H */ 659