| 1 | /* Copyright (C) 2001-2002, 2004-2006 Free Software Foundation, Inc.
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| 2 | Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
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| 3 | This file is part of gnulib.
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 2, or (at your option)
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| 8 | any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, write to the Free Software Foundation,
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| 17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 18 |
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| 19 | #ifndef _GL_STDINT_H
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| 20 | #define _GL_STDINT_H
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| 21 |
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| 22 | /*
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| 23 | * ISO C 99 <stdint.h> for platforms that lack it.
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| 24 | * <http://www.opengroup.org/susv3xbd/stdint.h.html>
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| 25 | */
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| 26 |
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| 27 | /* Get those types that are already defined in other system include
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| 28 | files, so that we can "#define int8_t signed char" below without
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| 29 | worrying about a later system include file containing a "typedef
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| 30 | signed char int8_t;" that will get messed up by our macro. Our
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| 31 | macros should all be consistent with the system versions, except
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| 32 | for the "fast" types and macros, which we recommend against using
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| 33 | in public interfaces due to compiler differences. */
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| 34 |
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| 35 | #if @HAVE_STDINT_H@
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| 36 | # if defined __sgi && ! defined __c99
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| 37 | /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
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| 38 | with "This header file is to be used only for c99 mode compilations"
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| 39 | diagnostics. */
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| 40 | # define __STDINT_H__
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| 41 | # endif
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| 42 | /* Other systems may have an incomplete or buggy <stdint.h>.
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| 43 | Include it before <inttypes.h>, since any "#include <stdint.h>"
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| 44 | in <inttypes.h> would reinclude us, skipping our contents because
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| 45 | _GL_STDINT_H is defined. */
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| 46 | # include @ABSOLUTE_STDINT_H@
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| 47 | #endif
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| 48 |
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| 49 | /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
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| 50 | IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
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| 51 | MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
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| 52 | relies on the system <stdint.h> definitions, so include
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| 53 | <sys/types.h> after @ABSOLUTE_STDINT_H@. */
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| 54 | #if @HAVE_SYS_TYPES_H@
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| 55 | # include <sys/types.h>
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| 56 | #endif
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| 57 |
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| 58 | /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
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| 59 | #include <limits.h>
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| 60 |
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| 61 | #if @HAVE_INTTYPES_H@
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| 62 | /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
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| 63 | int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
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| 64 | <inttypes.h> also defines intptr_t and uintptr_t. */
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| 65 | # define _GL_JUST_INCLUDE_ABSOLUTE_INTTYPES_H
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| 66 | # include <inttypes.h>
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| 67 | # undef _GL_JUST_INCLUDE_ABSOLUTE_INTTYPES_H
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| 68 | #elif @HAVE_SYS_INTTYPES_H@
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| 69 | /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
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| 70 | the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
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| 71 | # include <sys/inttypes.h>
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| 72 | #endif
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| 73 |
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| 74 | #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
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| 75 | /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
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| 76 | int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
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| 77 | included by <sys/types.h>. */
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| 78 | # include <sys/bitypes.h>
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| 79 | #endif
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| 80 |
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| 81 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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| 82 |
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| 83 | /* Get WCHAR_MIN, WCHAR_MAX. */
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| 84 | # if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
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| 85 | /* BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
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| 86 | <wchar.h>. */
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| 87 | # include <stdio.h>
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| 88 | # include <time.h>
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| 89 | # include <wchar.h>
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| 90 | # endif
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| 91 |
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| 92 | #endif
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| 93 |
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| 94 | /* Minimum and maximum values for a integer type under the usual assumption.
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| 95 | Return an unspecified value if BITS == 0, adding a check to pacify
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| 96 | picky compilers. */
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| 97 |
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| 98 | #define _STDINT_MIN(signed, bits, zero) \
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| 99 | ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
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| 100 |
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| 101 | #define _STDINT_MAX(signed, bits, zero) \
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| 102 | ((signed) \
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| 103 | ? ~ _STDINT_MIN (signed, bits, zero) \
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| 104 | : ((((zero) + 1) << ((bits) ? (bits) - 1 : 0)) - 1) * 2 + 1)
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| 105 |
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| 106 | /* 7.18.1.1. Exact-width integer types */
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| 107 |
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| 108 | /* Here we assume a standard architecture where the hardware integer
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| 109 | types have 8, 16, 32, optionally 64 bits. */
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| 110 |
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| 111 | #undef int8_t
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| 112 | #undef uint8_t
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| 113 | #define int8_t signed char
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| 114 | #define uint8_t unsigned char
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| 115 |
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| 116 | #undef int16_t
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| 117 | #undef uint16_t
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| 118 | #define int16_t short int
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| 119 | #define uint16_t unsigned short int
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| 120 |
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| 121 | #undef int32_t
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| 122 | #undef uint32_t
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| 123 | #define int32_t int
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| 124 | #define uint32_t unsigned int
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| 125 |
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| 126 | #undef int64_t
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| 127 | #undef uint64_t
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| 128 | #if LONG_MAX >> 31 >> 31 == 1
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| 129 | # define int64_t long int
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| 130 | # define uint64_t unsigned long int
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| 131 | #elif defined _MSC_VER
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| 132 | # define int64_t __int64
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| 133 | # define uint64_t unsigned __int64
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| 134 | #elif @HAVE_LONG_LONG_INT@
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| 135 | # define int64_t long long int
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| 136 | # define uint64_t unsigned long long int
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| 137 | #endif
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| 138 |
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| 139 | /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
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| 140 | #define _UINT8_T
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| 141 | #define _UINT32_T
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| 142 | #define _UINT64_T
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| 143 |
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| 144 |
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| 145 | /* 7.18.1.2. Minimum-width integer types */
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| 146 |
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| 147 | /* Here we assume a standard architecture where the hardware integer
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| 148 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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| 149 | are the same as the corresponding N_t types. */
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| 150 |
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| 151 | #undef int_least8_t
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| 152 | #undef uint_least8_t
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| 153 | #undef int_least16_t
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| 154 | #undef uint_least16_t
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| 155 | #undef int_least32_t
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| 156 | #undef uint_least32_t
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| 157 | #undef int_least64_t
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| 158 | #undef uint_least64_t
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| 159 | #define int_least8_t int8_t
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| 160 | #define uint_least8_t uint8_t
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| 161 | #define int_least16_t int16_t
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| 162 | #define uint_least16_t uint16_t
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| 163 | #define int_least32_t int32_t
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| 164 | #define uint_least32_t uint32_t
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| 165 | #ifdef int64_t
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| 166 | # define int_least64_t int64_t
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| 167 | # define uint_least64_t uint64_t
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| 168 | #endif
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| 169 |
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| 170 | /* 7.18.1.3. Fastest minimum-width integer types */
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| 171 |
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| 172 | /* Note: Other <stdint.h> substitutes may define these types differently.
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| 173 | It is not recommended to use these types in public header files. */
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| 174 |
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| 175 | /* Here we assume a standard architecture where the hardware integer
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| 176 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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| 177 | are taken from the same list of types. Assume that 'long int'
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| 178 | is fast enough for all narrower integers. */
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| 179 |
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| 180 | #undef int_fast8_t
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| 181 | #undef uint_fast8_t
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| 182 | #undef int_fast16_t
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| 183 | #undef uint_fast16_t
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| 184 | #undef int_fast32_t
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| 185 | #undef uint_fast32_t
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| 186 | #undef int_fast64_t
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| 187 | #undef uint_fast64_t
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| 188 | #define int_fast8_t long int
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| 189 | #define uint_fast8_t unsigned int_fast8_t
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| 190 | #define int_fast16_t long int
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| 191 | #define uint_fast16_t unsigned int_fast16_t
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| 192 | #define int_fast32_t long int
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| 193 | #define uint_fast32_t unsigned int_fast32_t
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| 194 | #ifdef int64_t
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| 195 | # define int_fast64_t int64_t
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| 196 | # define uint_fast64_t uint64_t
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| 197 | #endif
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| 198 |
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| 199 | /* 7.18.1.4. Integer types capable of holding object pointers */
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| 200 |
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| 201 | #undef intptr_t
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| 202 | #undef uintptr_t
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| 203 | #define intptr_t long int
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| 204 | #define uintptr_t unsigned long int
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| 205 |
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| 206 | /* 7.18.1.5. Greatest-width integer types */
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| 207 |
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| 208 | /* Note: These types are compiler dependent. It may be unwise to use them in
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| 209 | public header files. */
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| 210 |
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| 211 | #undef intmax_t
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| 212 | #undef uintmax_t
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| 213 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
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| 214 | # define intmax_t long long int
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| 215 | # define uintmax_t unsigned long long int
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| 216 | #elif defined int64_t
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| 217 | # define intmax_t int64_t
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| 218 | # define uintmax_t uint64_t
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| 219 | #else
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| 220 | # define intmax_t long int
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| 221 | # define uintmax_t unsigned long int
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| 222 | #endif
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| 223 |
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| 224 | /* 7.18.2. Limits of specified-width integer types */
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| 225 |
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| 226 | #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
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| 227 |
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| 228 | /* 7.18.2.1. Limits of exact-width integer types */
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| 229 |
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| 230 | /* Here we assume a standard architecture where the hardware integer
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| 231 | types have 8, 16, 32, optionally 64 bits. */
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| 232 |
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| 233 | #undef INT8_MIN
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| 234 | #undef INT8_MAX
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| 235 | #undef UINT8_MAX
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| 236 | #define INT8_MIN (~ INT8_MAX)
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| 237 | #define INT8_MAX 127
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| 238 | #define UINT8_MAX 255
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| 239 |
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| 240 | #undef INT16_MIN
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| 241 | #undef INT16_MAX
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| 242 | #undef UINT16_MAX
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| 243 | #define INT16_MIN (~ INT16_MAX)
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| 244 | #define INT16_MAX 32767
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| 245 | #define UINT16_MAX 65535
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| 246 |
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| 247 | #undef INT32_MIN
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| 248 | #undef INT32_MAX
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| 249 | #undef UINT32_MAX
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| 250 | #define INT32_MIN (~ INT32_MAX)
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| 251 | #define INT32_MAX 2147483647
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| 252 | #define UINT32_MAX 4294967295U
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| 253 |
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| 254 | #undef INT64_MIN
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| 255 | #undef INT64_MAX
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| 256 | #undef UINT64_MAX
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| 257 | #ifdef int64_t
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| 258 | # define INT64_MIN (~ INT64_MAX)
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| 259 | # define INT64_MAX INTMAX_C (9223372036854775807)
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| 260 | # define UINT64_MAX UINTMAX_C (18446744073709551615)
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| 261 | #endif
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| 262 |
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| 263 | /* 7.18.2.2. Limits of minimum-width integer types */
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| 264 |
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| 265 | /* Here we assume a standard architecture where the hardware integer
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| 266 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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| 267 | are the same as the corresponding N_t types. */
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| 268 |
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| 269 | #undef INT_LEAST8_MIN
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| 270 | #undef INT_LEAST8_MAX
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| 271 | #undef UINT_LEAST8_MAX
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| 272 | #define INT_LEAST8_MIN INT8_MIN
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| 273 | #define INT_LEAST8_MAX INT8_MAX
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| 274 | #define UINT_LEAST8_MAX UINT8_MAX
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| 275 |
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| 276 | #undef INT_LEAST16_MIN
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| 277 | #undef INT_LEAST16_MAX
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| 278 | #undef UINT_LEAST16_MAX
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| 279 | #define INT_LEAST16_MIN INT16_MIN
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| 280 | #define INT_LEAST16_MAX INT16_MAX
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| 281 | #define UINT_LEAST16_MAX UINT16_MAX
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| 282 |
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| 283 | #undef INT_LEAST32_MIN
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| 284 | #undef INT_LEAST32_MAX
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| 285 | #undef UINT_LEAST32_MAX
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| 286 | #define INT_LEAST32_MIN INT32_MIN
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| 287 | #define INT_LEAST32_MAX INT32_MAX
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| 288 | #define UINT_LEAST32_MAX UINT32_MAX
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| 289 |
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| 290 | #undef INT_LEAST64_MIN
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| 291 | #undef INT_LEAST64_MAX
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| 292 | #undef UINT_LEAST64_MAX
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| 293 | #ifdef int64_t
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| 294 | # define INT_LEAST64_MIN INT64_MIN
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| 295 | # define INT_LEAST64_MAX INT64_MAX
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| 296 | # define UINT_LEAST64_MAX UINT64_MAX
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| 297 | #endif
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| 298 |
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| 299 | /* 7.18.2.3. Limits of fastest minimum-width integer types */
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| 300 |
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| 301 | /* Here we assume a standard architecture where the hardware integer
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| 302 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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| 303 | are taken from the same list of types. */
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| 304 |
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| 305 | #undef INT_FAST8_MIN
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| 306 | #undef INT_FAST8_MAX
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| 307 | #undef UINT_FAST8_MAX
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| 308 | #define INT_FAST8_MIN LONG_MIN
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| 309 | #define INT_FAST8_MAX LONG_MAX
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| 310 | #define UINT_FAST8_MAX ULONG_MAX
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| 311 |
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| 312 | #undef INT_FAST16_MIN
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| 313 | #undef INT_FAST16_MAX
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| 314 | #undef UINT_FAST16_MAX
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| 315 | #define INT_FAST16_MIN LONG_MIN
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| 316 | #define INT_FAST16_MAX LONG_MAX
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| 317 | #define UINT_FAST16_MAX ULONG_MAX
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| 318 |
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| 319 | #undef INT_FAST32_MIN
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| 320 | #undef INT_FAST32_MAX
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| 321 | #undef UINT_FAST32_MAX
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| 322 | #define INT_FAST32_MIN LONG_MIN
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| 323 | #define INT_FAST32_MAX LONG_MAX
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| 324 | #define UINT_FAST32_MAX ULONG_MAX
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| 325 |
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| 326 | #undef INT_FAST64_MIN
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| 327 | #undef INT_FAST64_MAX
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| 328 | #undef UINT_FAST64_MAX
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| 329 | #ifdef int64_t
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| 330 | # define INT_FAST64_MIN INT64_MIN
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| 331 | # define INT_FAST64_MAX INT64_MAX
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| 332 | # define UINT_FAST64_MAX UINT64_MAX
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| 333 | #endif
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| 334 |
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| 335 | /* 7.18.2.4. Limits of integer types capable of holding object pointers */
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| 336 |
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| 337 | #undef INTPTR_MIN
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| 338 | #undef INTPTR_MAX
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| 339 | #undef UINTPTR_MAX
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| 340 | #define INTPTR_MIN LONG_MIN
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| 341 | #define INTPTR_MAX LONG_MAX
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| 342 | #define UINTPTR_MAX ULONG_MAX
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| 343 |
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| 344 | /* 7.18.2.5. Limits of greatest-width integer types */
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| 345 |
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| 346 | #undef INTMAX_MIN
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| 347 | #undef INTMAX_MAX
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| 348 | #undef UINTMAX_MAX
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| 349 | #define INTMAX_MIN (~ INTMAX_MAX)
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| 350 | #ifdef INT64_MAX
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| 351 | # define INTMAX_MAX INT64_MAX
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| 352 | # define UINTMAX_MAX UINT64_MAX
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| 353 | #else
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| 354 | # define INTMAX_MAX INT32_MAX
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| 355 | # define UINTMAX_MAX UINT32_MAX
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| 356 | #endif
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| 357 |
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| 358 | /* 7.18.3. Limits of other integer types */
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| 359 |
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| 360 | /* ptrdiff_t limits */
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| 361 | #undef PTRDIFF_MIN
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| 362 | #undef PTRDIFF_MAX
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| 363 | #define PTRDIFF_MIN \
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| 364 | _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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| 365 | #define PTRDIFF_MAX \
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| 366 | _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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| 367 |
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| 368 | /* sig_atomic_t limits */
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| 369 | #undef SIG_ATOMIC_MIN
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| 370 | #undef SIG_ATOMIC_MAX
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| 371 | #define SIG_ATOMIC_MIN \
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| 372 | _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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| 373 | 0@SIG_ATOMIC_T_SUFFIX@)
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| 374 | #define SIG_ATOMIC_MAX \
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| 375 | _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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| 376 | 0@SIG_ATOMIC_T_SUFFIX@)
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| 377 |
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| 378 |
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| 379 | /* size_t limit */
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| 380 | #undef SIZE_MAX
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| 381 | #define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
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| 382 |
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| 383 | /* wchar_t limits */
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| 384 | #undef WCHAR_MIN
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| 385 | #undef WCHAR_MAX
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| 386 | #define WCHAR_MIN \
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| 387 | _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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| 388 | #define WCHAR_MAX \
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| 389 | _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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| 390 |
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| 391 | /* wint_t limits */
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| 392 | #undef WINT_MIN
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| 393 | #undef WINT_MAX
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| 394 | #define WINT_MIN \
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| 395 | _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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| 396 | #define WINT_MAX \
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| 397 | _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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| 398 |
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| 399 | #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
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| 400 |
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| 401 | /* 7.18.4. Macros for integer constants */
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| 402 |
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| 403 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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| 404 |
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| 405 | /* 7.18.4.1. Macros for minimum-width integer constants */
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| 406 | /* According to ISO C 99 Technical Corrigendum 1 */
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| 407 |
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| 408 | /* Here we assume a standard architecture where the hardware integer
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| 409 | types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
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| 410 |
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| 411 | #undef INT8_C
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| 412 | #undef UINT8_C
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| 413 | #define INT8_C(x) x
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| 414 | #define UINT8_C(x) x
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| 415 |
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| 416 | #undef INT16_C
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| 417 | #undef UINT16_C
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|---|
| 418 | #define INT16_C(x) x
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| 419 | #define UINT16_C(x) x
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| 420 |
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|---|
| 421 | #undef INT32_C
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|---|
| 422 | #undef UINT32_C
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|---|
| 423 | #define INT32_C(x) x
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|---|
| 424 | #define UINT32_C(x) x ## U
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|---|
| 425 |
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|---|
| 426 | #undef INT64_C
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|---|
| 427 | #undef UINT64_C
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|---|
| 428 | #if LONG_MAX >> 31 >> 31 == 1
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|---|
| 429 | # define INT64_C(x) x##L
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|---|
| 430 | # define UINT64_C(x) x##UL
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|---|
| 431 | #elif defined _MSC_VER
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|---|
| 432 | # define INT64_C(x) x##i64
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|---|
| 433 | # define UINT64_C(x) x##ui64
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|---|
| 434 | #elif @HAVE_LONG_LONG_INT@
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|---|
| 435 | # define INT64_C(x) x##LL
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|---|
| 436 | # define UINT64_C(x) x##ULL
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|---|
| 437 | #endif
|
|---|
| 438 |
|
|---|
| 439 | /* 7.18.4.2. Macros for greatest-width integer constants */
|
|---|
| 440 |
|
|---|
| 441 | #undef INTMAX_C
|
|---|
| 442 | #undef UINTMAX_C
|
|---|
| 443 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
|
|---|
| 444 | # define INTMAX_C(x) x##LL
|
|---|
| 445 | # define UINTMAX_C(x) x##ULL
|
|---|
| 446 | #elif defined int64_t
|
|---|
| 447 | # define INTMAX_C(x) INT64_C(x)
|
|---|
| 448 | # define UINTMAX_C(x) UINT64_C(x)
|
|---|
| 449 | #else
|
|---|
| 450 | # define INTMAX_C(x) x##L
|
|---|
| 451 | # define UINTMAX_C(x) x##UL
|
|---|
| 452 | #endif
|
|---|
| 453 |
|
|---|
| 454 | #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
|
|---|
| 455 |
|
|---|
| 456 | #endif /* _GL_STDINT_H */
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