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 | AIX 5.2 <sys/types.h> isn't needed and causes troubles.
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52 | MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
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53 | relies on the system <stdint.h> definitions, so include
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54 | <sys/types.h> after @ABSOLUTE_STDINT_H@. */
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55 | #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
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56 | # include <sys/types.h>
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57 | #endif
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58 |
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59 | /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
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60 | #include <limits.h>
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61 |
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62 | #if @HAVE_INTTYPES_H@
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63 | /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
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64 | int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
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65 | <inttypes.h> also defines intptr_t and uintptr_t. */
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66 | # define _GL_JUST_INCLUDE_ABSOLUTE_INTTYPES_H
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67 | # include <inttypes.h>
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68 | # undef _GL_JUST_INCLUDE_ABSOLUTE_INTTYPES_H
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69 | #elif @HAVE_SYS_INTTYPES_H@
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70 | /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
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71 | the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
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72 | # include <sys/inttypes.h>
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73 | #endif
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74 |
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75 | #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
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76 | /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
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77 | int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
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78 | included by <sys/types.h>. */
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79 | # include <sys/bitypes.h>
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80 | #endif
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81 |
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82 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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83 |
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84 | /* Get WCHAR_MIN, WCHAR_MAX. */
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85 | # if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX)
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86 | /* BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
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87 | <wchar.h>. */
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88 | # include <stdio.h>
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89 | # include <time.h>
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90 | # include <wchar.h>
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91 | # endif
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92 |
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93 | #endif
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94 |
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95 | /* Minimum and maximum values for a integer type under the usual assumption.
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96 | Return an unspecified value if BITS == 0, adding a check to pacify
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97 | picky compilers. */
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98 |
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99 | #define _STDINT_MIN(signed, bits, zero) \
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100 | ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
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101 |
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102 | #define _STDINT_MAX(signed, bits, zero) \
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103 | ((signed) \
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104 | ? ~ _STDINT_MIN (signed, bits, zero) \
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105 | : ((((zero) + 1) << ((bits) ? (bits) - 1 : 0)) - 1) * 2 + 1)
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106 |
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107 | /* 7.18.1.1. Exact-width integer types */
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108 |
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109 | /* Here we assume a standard architecture where the hardware integer
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110 | types have 8, 16, 32, optionally 64 bits. */
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111 |
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112 | #undef int8_t
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113 | #undef uint8_t
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114 | #define int8_t signed char
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115 | #define uint8_t unsigned char
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116 |
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117 | #undef int16_t
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118 | #undef uint16_t
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119 | #define int16_t short int
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120 | #define uint16_t unsigned short int
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121 |
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122 | #undef int32_t
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123 | #undef uint32_t
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124 | #define int32_t int
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125 | #define uint32_t unsigned int
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126 |
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127 | #undef int64_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 | #elif defined _MSC_VER
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131 | # define int64_t __int64
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132 | #elif @HAVE_LONG_LONG_INT@
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133 | # define int64_t long long int
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134 | #endif
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135 |
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136 | #undef uint64_t
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137 | #if ULONG_MAX >> 31 >> 31 >> 1 == 1
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138 | # define uint64_t unsigned long int
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139 | #elif defined _MSC_VER
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140 | # define uint64_t unsigned __int64
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141 | #elif @HAVE_UNSIGNED_LONG_LONG_INT@
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142 | # define uint64_t unsigned long long int
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143 | #endif
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144 |
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145 | /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
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146 | #define _UINT8_T
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147 | #define _UINT32_T
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148 | #define _UINT64_T
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149 |
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150 |
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151 | /* 7.18.1.2. Minimum-width integer types */
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152 |
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153 | /* Here we assume a standard architecture where the hardware integer
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154 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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155 | are the same as the corresponding N_t types. */
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156 |
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157 | #undef int_least8_t
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158 | #undef uint_least8_t
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159 | #undef int_least16_t
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160 | #undef uint_least16_t
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161 | #undef int_least32_t
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162 | #undef uint_least32_t
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163 | #undef int_least64_t
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164 | #undef uint_least64_t
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165 | #define int_least8_t int8_t
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166 | #define uint_least8_t uint8_t
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167 | #define int_least16_t int16_t
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168 | #define uint_least16_t uint16_t
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169 | #define int_least32_t int32_t
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170 | #define uint_least32_t uint32_t
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171 | #ifdef int64_t
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172 | # define int_least64_t int64_t
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173 | #endif
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174 | #ifdef uint64_t
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175 | # define uint_least64_t uint64_t
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176 | #endif
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177 |
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178 | /* 7.18.1.3. Fastest minimum-width integer types */
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179 |
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180 | /* Note: Other <stdint.h> substitutes may define these types differently.
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181 | It is not recommended to use these types in public header files. */
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182 |
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183 | /* Here we assume a standard architecture where the hardware integer
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184 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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185 | are taken from the same list of types. Assume that 'long int'
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186 | is fast enough for all narrower integers. */
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187 |
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188 | #undef int_fast8_t
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189 | #undef uint_fast8_t
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190 | #undef int_fast16_t
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191 | #undef uint_fast16_t
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192 | #undef int_fast32_t
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193 | #undef uint_fast32_t
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194 | #undef int_fast64_t
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195 | #undef uint_fast64_t
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196 | #define int_fast8_t long int
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197 | #define uint_fast8_t unsigned int_fast8_t
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198 | #define int_fast16_t long int
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199 | #define uint_fast16_t unsigned int_fast16_t
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200 | #define int_fast32_t long int
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201 | #define uint_fast32_t unsigned int_fast32_t
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202 | #ifdef int64_t
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203 | # define int_fast64_t int64_t
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204 | #endif
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205 | #ifdef uint64_t
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206 | # define uint_fast64_t uint64_t
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207 | #endif
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208 |
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209 | /* 7.18.1.4. Integer types capable of holding object pointers */
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210 |
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211 | #undef intptr_t
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212 | #undef uintptr_t
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213 | #define intptr_t long int
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214 | #define uintptr_t unsigned long int
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215 |
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216 | /* 7.18.1.5. Greatest-width integer types */
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217 |
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218 | /* Note: These types are compiler dependent. It may be unwise to use them in
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219 | public header files. */
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220 |
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221 | #undef intmax_t
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222 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
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223 | # define intmax_t long long int
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224 | #elif defined int64_t
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225 | # define intmax_t int64_t
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226 | #else
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227 | # define intmax_t long int
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228 | #endif
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229 |
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230 | #undef uintmax_t
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231 | #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
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232 | # define uintmax_t unsigned long long int
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233 | #elif defined uint64_t
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234 | # define uintmax_t uint64_t
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235 | #else
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236 | # define uintmax_t unsigned long int
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237 | #endif
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238 |
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239 | /* 7.18.2. Limits of specified-width integer types */
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240 |
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241 | #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
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242 |
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243 | /* 7.18.2.1. Limits of exact-width integer types */
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244 |
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245 | /* Here we assume a standard architecture where the hardware integer
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246 | types have 8, 16, 32, optionally 64 bits. */
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247 |
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248 | #undef INT8_MIN
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249 | #undef INT8_MAX
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250 | #undef UINT8_MAX
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251 | #define INT8_MIN (~ INT8_MAX)
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252 | #define INT8_MAX 127
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253 | #define UINT8_MAX 255
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254 |
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255 | #undef INT16_MIN
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256 | #undef INT16_MAX
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257 | #undef UINT16_MAX
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258 | #define INT16_MIN (~ INT16_MAX)
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259 | #define INT16_MAX 32767
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260 | #define UINT16_MAX 65535
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261 |
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262 | #undef INT32_MIN
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263 | #undef INT32_MAX
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264 | #undef UINT32_MAX
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265 | #define INT32_MIN (~ INT32_MAX)
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266 | #define INT32_MAX 2147483647
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267 | #define UINT32_MAX 4294967295U
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268 |
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269 | #undef INT64_MIN
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270 | #undef INT64_MAX
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271 | #ifdef int64_t
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272 | # define INT64_MIN (~ INT64_MAX)
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273 | # define INT64_MAX INTMAX_C (9223372036854775807)
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274 | #endif
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275 |
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276 | #undef UINT64_MAX
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277 | #ifdef uint64_t
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278 | # define UINT64_MAX UINTMAX_C (18446744073709551615)
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279 | #endif
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280 |
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281 | /* 7.18.2.2. Limits of minimum-width integer types */
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282 |
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283 | /* Here we assume a standard architecture where the hardware integer
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284 | types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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285 | are the same as the corresponding N_t types. */
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286 |
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287 | #undef INT_LEAST8_MIN
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288 | #undef INT_LEAST8_MAX
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289 | #undef UINT_LEAST8_MAX
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290 | #define INT_LEAST8_MIN INT8_MIN
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291 | #define INT_LEAST8_MAX INT8_MAX
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292 | #define UINT_LEAST8_MAX UINT8_MAX
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293 |
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294 | #undef INT_LEAST16_MIN
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295 | #undef INT_LEAST16_MAX
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296 | #undef UINT_LEAST16_MAX
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297 | #define INT_LEAST16_MIN INT16_MIN
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298 | #define INT_LEAST16_MAX INT16_MAX
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299 | #define UINT_LEAST16_MAX UINT16_MAX
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300 |
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301 | #undef INT_LEAST32_MIN
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302 | #undef INT_LEAST32_MAX
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303 | #undef UINT_LEAST32_MAX
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304 | #define INT_LEAST32_MIN INT32_MIN
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305 | #define INT_LEAST32_MAX INT32_MAX
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306 | #define UINT_LEAST32_MAX UINT32_MAX
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307 |
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308 | #undef INT_LEAST64_MIN
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309 | #undef INT_LEAST64_MAX
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310 | #ifdef int64_t
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311 | # define INT_LEAST64_MIN INT64_MIN
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312 | # define INT_LEAST64_MAX INT64_MAX
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313 | #endif
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314 |
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315 | #undef UINT_LEAST64_MAX
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316 | #ifdef uint64_t
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317 | # define UINT_LEAST64_MAX UINT64_MAX
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318 | #endif
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319 |
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320 | /* 7.18.2.3. Limits of fastest minimum-width integer types */
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321 |
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322 | /* Here we assume a standard architecture where the hardware integer
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323 | types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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324 | are taken from the same list of types. */
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325 |
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326 | #undef INT_FAST8_MIN
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327 | #undef INT_FAST8_MAX
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328 | #undef UINT_FAST8_MAX
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329 | #define INT_FAST8_MIN LONG_MIN
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330 | #define INT_FAST8_MAX LONG_MAX
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331 | #define UINT_FAST8_MAX ULONG_MAX
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332 |
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333 | #undef INT_FAST16_MIN
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334 | #undef INT_FAST16_MAX
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335 | #undef UINT_FAST16_MAX
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336 | #define INT_FAST16_MIN LONG_MIN
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337 | #define INT_FAST16_MAX LONG_MAX
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338 | #define UINT_FAST16_MAX ULONG_MAX
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339 |
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340 | #undef INT_FAST32_MIN
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341 | #undef INT_FAST32_MAX
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342 | #undef UINT_FAST32_MAX
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343 | #define INT_FAST32_MIN LONG_MIN
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344 | #define INT_FAST32_MAX LONG_MAX
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345 | #define UINT_FAST32_MAX ULONG_MAX
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346 |
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347 | #undef INT_FAST64_MIN
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348 | #undef INT_FAST64_MAX
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349 | #ifdef int64_t
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350 | # define INT_FAST64_MIN INT64_MIN
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351 | # define INT_FAST64_MAX INT64_MAX
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352 | #endif
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353 |
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354 | #undef UINT_FAST64_MAX
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355 | #ifdef uint64_t
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356 | # define UINT_FAST64_MAX UINT64_MAX
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357 | #endif
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358 |
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359 | /* 7.18.2.4. Limits of integer types capable of holding object pointers */
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360 |
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361 | #undef INTPTR_MIN
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362 | #undef INTPTR_MAX
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363 | #undef UINTPTR_MAX
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364 | #define INTPTR_MIN LONG_MIN
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365 | #define INTPTR_MAX LONG_MAX
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366 | #define UINTPTR_MAX ULONG_MAX
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367 |
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368 | /* 7.18.2.5. Limits of greatest-width integer types */
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369 |
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370 | #undef INTMAX_MIN
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371 | #undef INTMAX_MAX
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372 | #define INTMAX_MIN (~ INTMAX_MAX)
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373 | #ifdef INT64_MAX
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374 | # define INTMAX_MAX INT64_MAX
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375 | #else
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376 | # define INTMAX_MAX INT32_MAX
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377 | #endif
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378 |
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379 | #undef UINTMAX_MAX
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380 | #ifdef UINT64_MAX
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381 | # define UINTMAX_MAX UINT64_MAX
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382 | #else
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383 | # define UINTMAX_MAX UINT32_MAX
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384 | #endif
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385 |
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386 | /* 7.18.3. Limits of other integer types */
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387 |
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388 | /* ptrdiff_t limits */
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389 | #undef PTRDIFF_MIN
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390 | #undef PTRDIFF_MAX
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391 | #define PTRDIFF_MIN \
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392 | _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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393 | #define PTRDIFF_MAX \
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394 | _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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395 |
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396 | /* sig_atomic_t limits */
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397 | #undef SIG_ATOMIC_MIN
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398 | #undef SIG_ATOMIC_MAX
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399 | #define SIG_ATOMIC_MIN \
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400 | _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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401 | 0@SIG_ATOMIC_T_SUFFIX@)
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402 | #define SIG_ATOMIC_MAX \
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403 | _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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404 | 0@SIG_ATOMIC_T_SUFFIX@)
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405 |
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406 |
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407 | /* size_t limit */
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408 | #undef SIZE_MAX
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409 | #define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
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410 |
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411 | /* wchar_t limits */
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412 | #undef WCHAR_MIN
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413 | #undef WCHAR_MAX
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414 | #define WCHAR_MIN \
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415 | _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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416 | #define WCHAR_MAX \
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417 | _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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418 |
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419 | /* wint_t limits */
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420 | #undef WINT_MIN
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421 | #undef WINT_MAX
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422 | #define WINT_MIN \
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423 | _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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424 | #define WINT_MAX \
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425 | _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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426 |
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427 | #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
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428 |
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429 | /* 7.18.4. Macros for integer constants */
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430 |
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431 | #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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432 |
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433 | /* 7.18.4.1. Macros for minimum-width integer constants */
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434 | /* According to ISO C 99 Technical Corrigendum 1 */
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435 |
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436 | /* Here we assume a standard architecture where the hardware integer
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437 | types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
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438 |
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439 | #undef INT8_C
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440 | #undef UINT8_C
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441 | #define INT8_C(x) x
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442 | #define UINT8_C(x) x
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443 |
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444 | #undef INT16_C
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445 | #undef UINT16_C
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446 | #define INT16_C(x) x
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447 | #define UINT16_C(x) x
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448 |
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449 | #undef INT32_C
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450 | #undef UINT32_C
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451 | #define INT32_C(x) x
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452 | #define UINT32_C(x) x ## U
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453 |
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454 | #undef INT64_C
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455 | #undef UINT64_C
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456 | #if LONG_MAX >> 31 >> 31 == 1
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457 | # define INT64_C(x) x##L
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458 | #elif defined _MSC_VER
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459 | # define INT64_C(x) x##i64
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460 | #elif @HAVE_LONG_LONG_INT@
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461 | # define INT64_C(x) x##LL
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462 | #endif
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463 | #if ULONG_MAX >> 31 >> 31 >> 1 == 1
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464 | # define UINT64_C(x) x##UL
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465 | #elif defined _MSC_VER
|
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466 | # define UINT64_C(x) x##ui64
|
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467 | #elif @HAVE_UNSIGNED_LONG_LONG_INT@
|
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468 | # define UINT64_C(x) x##ULL
|
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469 | #endif
|
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470 |
|
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471 | /* 7.18.4.2. Macros for greatest-width integer constants */
|
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472 |
|
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473 | #undef INTMAX_C
|
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474 | #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
|
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475 | # define INTMAX_C(x) x##LL
|
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476 | #elif defined int64_t
|
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477 | # define INTMAX_C(x) INT64_C(x)
|
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478 | #else
|
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479 | # define INTMAX_C(x) x##L
|
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480 | #endif
|
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481 |
|
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482 | #undef UINTMAX_C
|
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483 | #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
|
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484 | # define UINTMAX_C(x) x##ULL
|
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485 | #elif defined uint64_t
|
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486 | # define UINTMAX_C(x) UINT64_C(x)
|
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487 | #else
|
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488 | # define UINTMAX_C(x) x##UL
|
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489 | #endif
|
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490 |
|
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491 | #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
|
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492 |
|
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493 | #endif /* _GL_STDINT_H */
|
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