2009-02-07 06:59:47 +08:00
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/*===---- stdint.h - Standard header for sized integer types --------------===*\
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*
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* Copyright (c) 2009 Chris Lattner
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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\*===----------------------------------------------------------------------===*/
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2009-05-04 07:00:48 +08:00
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#ifndef __CLANG_STDINT_H
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#define __CLANG_STDINT_H
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/* If we're hosted, fall back to the system's stdint.h, which might have
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* additional definitions.
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*/
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#if __STDC_HOSTED__
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# include_next <stdint.h>
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#else
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2009-02-07 06:59:47 +08:00
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/* We currently only support targets with power of two, 2s complement integers.
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*/
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/* C99 7.18.1.1 Exact-width integer types.
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* C99 7.18.1.2 Minimum-width integer types.
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* C99 7.18.1.3 Fastest minimum-width integer types.
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* Since we only support pow-2 targets, these map directly to exact width types.
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*/
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2009-04-19 03:11:11 +08:00
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#ifndef __int8_t_defined /* glibc does weird things with sys/types.h */
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#define __int8_t_defined
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2009-02-07 06:59:47 +08:00
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typedef signed __INT8_TYPE__ int8_t;
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2009-04-19 03:11:11 +08:00
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typedef __INT16_TYPE__ int16_t;
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typedef __INT32_TYPE__ int32_t;
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#ifdef __INT64_TYPE__
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typedef __INT64_TYPE__ int64_t;
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#endif
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#endif
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2009-02-07 07:57:52 +08:00
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typedef unsigned __INT8_TYPE__ uint8_t;
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2009-02-07 06:59:47 +08:00
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typedef int8_t int_least8_t;
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typedef uint8_t uint_least8_t;
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typedef int8_t int_fast8_t;
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typedef uint8_t uint_fast8_t;
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typedef unsigned __INT16_TYPE__ uint16_t;
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typedef int16_t int_least16_t;
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typedef uint16_t uint_least16_t;
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typedef int16_t int_fast16_t;
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typedef uint16_t uint_fast16_t;
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2009-04-19 03:11:11 +08:00
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#ifndef __uint32_t_defined /* more glibc compatibility */
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#define __uint32_t_defined
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2009-02-07 06:59:47 +08:00
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typedef unsigned __INT32_TYPE__ uint32_t;
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2009-04-19 03:11:11 +08:00
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#endif
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2009-02-07 06:59:47 +08:00
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typedef int32_t int_least32_t;
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typedef uint32_t uint_least32_t;
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typedef int32_t int_fast32_t;
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typedef uint32_t uint_fast32_t;
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/* Some 16-bit targets do not have a 64-bit datatype. Only define the 64-bit
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* typedefs if there is something to typedef them to.
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*/
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#ifdef __INT64_TYPE__
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typedef unsigned __INT64_TYPE__ uint64_t;
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typedef int64_t int_least64_t;
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typedef uint64_t uint_least64_t;
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typedef int64_t int_fast64_t;
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typedef uint64_t uint_fast64_t;
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#endif
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/* C99 7.18.1.4 Integer types capable of holding object pointers.
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*/
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2009-02-14 06:43:13 +08:00
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#ifndef __intptr_t_defined
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2009-02-14 06:28:55 +08:00
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typedef __INTPTR_TYPE__ intptr_t;
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2009-02-14 06:43:13 +08:00
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#define __intptr_t_defined
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#endif
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2009-03-15 11:16:47 +08:00
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typedef unsigned __INTPTR_TYPE__ uintptr_t;
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2009-02-07 06:59:47 +08:00
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/* C99 7.18.1.5 Greatest-width integer types.
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*/
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typedef __INTMAX_TYPE__ intmax_t;
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typedef __UINTMAX_TYPE__ uintmax_t;
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/* C99 7.18.2.1 Limits of exact-width integer types.
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* Fixed sized values have fixed size max/min.
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* C99 7.18.2.2 Limits of minimum-width integer types.
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* Since we map these directly onto fixed-sized types, these values the same.
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* C99 7.18.2.3 Limits of fastest minimum-width integer types.
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2009-02-08 06:21:31 +08:00
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*
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* Note that C++ should not check __STDC_LIMIT_MACROS here, contrary to the
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* claims of the C standard (see C++ 18.3.1p2, [cstdint.syn]).
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2009-02-07 06:59:47 +08:00
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*/
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2009-02-07 14:33:44 +08:00
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#define INT8_MAX 127
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2009-02-07 14:42:04 +08:00
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#define INT8_MIN (-128)
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2009-02-07 16:49:37 +08:00
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#define UINT8_MAX 255
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2009-02-07 06:59:47 +08:00
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#define INT_LEAST8_MIN INT8_MIN
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#define INT_LEAST8_MAX INT8_MAX
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#define UINT_LEAST8_MAX UINT8_MAX
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#define INT_FAST8_MIN INT8_MIN
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#define INT_FAST8_MAX INT8_MAX
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#define UINT_FAST8_MAX UINT8_MAX
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2009-02-07 14:33:44 +08:00
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#define INT16_MAX 32767
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2009-02-07 14:42:04 +08:00
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#define INT16_MIN (-32768)
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2009-02-07 16:49:37 +08:00
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#define UINT16_MAX 65535
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2009-02-07 06:59:47 +08:00
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#define INT_LEAST16_MIN INT16_MIN
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#define INT_LEAST16_MAX INT16_MAX
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#define UINT_LEAST16_MAX UINT16_MAX
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#define INT_FAST16_MIN INT16_MIN
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#define INT_FAST16_MAX INT16_MAX
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#define UINT_FAST16_MAX UINT16_MAX
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2009-02-07 14:33:44 +08:00
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#define INT32_MAX 2147483647
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2009-02-07 14:42:04 +08:00
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#define INT32_MIN (-2147483647-1)
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2009-02-07 14:33:44 +08:00
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#define UINT32_MAX 4294967295U
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2009-02-07 06:59:47 +08:00
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#define INT_LEAST32_MIN INT32_MIN
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#define INT_LEAST32_MAX INT32_MAX
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#define UINT_LEAST32_MAX UINT32_MAX
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#define INT_FAST32_MIN INT32_MIN
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#define INT_FAST32_MAX INT32_MAX
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#define UINT_FAST32_MAX UINT32_MAX
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/* If we do not have 64-bit support, don't define the 64-bit size macros. */
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2009-03-01 02:53:33 +08:00
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#ifdef __INT64_TYPE__
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2009-02-07 14:33:44 +08:00
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#define INT64_MAX 9223372036854775807LL
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#define INT64_MIN (-9223372036854775807LL-1)
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2009-02-07 14:42:04 +08:00
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#define UINT64_MAX 18446744073709551615ULL
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2009-02-07 06:59:47 +08:00
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#define INT_LEAST64_MIN INT64_MIN
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#define INT_LEAST64_MAX INT64_MAX
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#define UINT_LEAST64_MAX UINT64_MAX
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#define INT_FAST64_MIN INT64_MIN
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#define INT_FAST64_MAX INT64_MAX
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#define UINT_FAST64_MAX UINT64_MAX
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#endif
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/* C99 7.18.2.4 Limits of integer types capable of holding object pointers. */
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/* C99 7.18.3 Limits of other integer types. */
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#if __POINTER_WIDTH__ == 64
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#define INTPTR_MIN INT64_MIN
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#define INTPTR_MAX INT64_MAX
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#define UINTPTR_MAX UINT64_MAX
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#define PTRDIFF_MIN INT64_MIN
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#define PTRDIFF_MAX INT64_MAX
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#define SIZE_MAX UINT64_MAX
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2009-02-07 07:57:52 +08:00
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#elif __POINTER_WIDTH__ == 32
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2009-02-07 06:59:47 +08:00
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#define INTPTR_MIN INT32_MIN
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#define INTPTR_MAX INT32_MAX
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#define UINTPTR_MAX UINT32_MAX
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#define PTRDIFF_MIN INT32_MIN
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#define PTRDIFF_MAX INT32_MAX
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#define SIZE_MAX UINT32_MAX
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2009-02-07 07:57:52 +08:00
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#elif __POINTER_WIDTH__ == 16
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2009-02-07 06:59:47 +08:00
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#define INTPTR_MIN INT16_MIN
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#define INTPTR_MAX INT16_MAX
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#define UINTPTR_MAX UINT16_MAX
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#define PTRDIFF_MIN INT16_MIN
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#define PTRDIFF_MAX INT16_MAX
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#define SIZE_MAX UINT16_MAX
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#else
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#error "unknown or unset pointer width!"
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#endif
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/* C99 7.18.2.5 Limits of greatest-width integer types. */
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#define INTMAX_MIN (-__INTMAX_MAX__-1)
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#define INTMAX_MAX __INTMAX_MAX__
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2009-02-07 14:38:06 +08:00
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#define UINTMAX_MAX (__INTMAX_MAX__*2ULL+1ULL)
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2009-02-07 06:59:47 +08:00
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/* C99 7.18.3 Limits of other integer types. */
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#define SIG_ATOMIC_MIN INT32_MIN
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#define SIG_ATOMIC_MAX INT32_MAX
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#define WINT_MIN INT32_MIN
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#define WINT_MAX INT32_MAX
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/* FIXME: if we ever support a target with unsigned wchar_t, this should be
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* 0 .. Max.
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*/
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#ifndef WCHAR_MAX
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#define WCHAR_MAX __WCHAR_MAX__
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#endif
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#ifndef WCHAR_MIN
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#define WCHAR_MIN (-__WCHAR_MAX__-1)
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#endif
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2009-02-08 06:21:31 +08:00
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/* C99 7.18.4 Macros for minimum-width integer constants.
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*
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* Note that C++ should not check __STDC_CONSTANT_MACROS here, contrary to the
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* claims of the C standard (see C++ 18.3.1p2, [cstdint.syn]).
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*/
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2009-02-07 06:59:47 +08:00
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#define INT8_C(v) (v)
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#define UINT8_C(v) (v##U)
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#define INT16_C(v) (v)
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#define UINT16_C(v) (v##U)
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#define INT32_C(v) (v)
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#define UINT32_C(v) (v##U)
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2009-02-10 14:18:19 +08:00
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/* Only define the 64-bit size macros if we have 64-bit support. */
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#ifdef __INT64_TYPE__
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2009-02-07 06:59:47 +08:00
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#define INT64_C(v) (v##LL)
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#define UINT64_C(v) (v##ULL)
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#endif
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/* 7.18.4.2 Macros for greatest-width integer constants. */
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2009-02-07 14:42:04 +08:00
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#define INTMAX_C(v) (v##LL)
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#define UINTMAX_C(v) (v##ULL)
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2009-02-07 06:59:47 +08:00
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2009-05-04 07:00:48 +08:00
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#endif /* __STDC_HOSTED__ */
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#endif /* __CLANG_STDINT_H */
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