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1 /* Copyright (C) 2001-2002, 2004-2008 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 3, 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 /*
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20 * ISO C 99 <stdint.h> for platforms that lack it.
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21 * <http://www.opengroup.org/susv3xbd/stdint.h.html>
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22 */
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23
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24 #ifndef _GL_STDINT_H
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25
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26 /* When including a system file that in turn includes <inttypes.h>,
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27 use the system <inttypes.h>, not our substitute. This avoids
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28 problems with (for example) VMS, whose <sys/bitypes.h> includes
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29 <inttypes.h>. */
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30 #define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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31
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32 /* Get those types that are already defined in other system include
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33 files, so that we can "#define int8_t signed char" below without
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34 worrying about a later system include file containing a "typedef
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35 signed char int8_t;" that will get messed up by our macro. Our
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36 macros should all be consistent with the system versions, except
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37 for the "fast" types and macros, which we recommend against using
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38 in public interfaces due to compiler differences. */
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39
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40 #if @HAVE_STDINT_H@
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41 # if defined __sgi && ! defined __c99
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42 /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
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43 with "This header file is to be used only for c99 mode compilations"
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44 diagnostics. */
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45 # define __STDINT_H__
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46 # endif
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47 /* Other systems may have an incomplete or buggy <stdint.h>.
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48 Include it before <inttypes.h>, since any "#include <stdint.h>"
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49 in <inttypes.h> would reinclude us, skipping our contents because
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50 _GL_STDINT_H is defined.
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51 The include_next requires a split double-inclusion guard. */
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52 # if __GNUC__ >= 3
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53 @PRAGMA_SYSTEM_HEADER@
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54 # endif
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55 # @INCLUDE_NEXT@ @NEXT_STDINT_H@
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56 #endif
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57
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58 #if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
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59 #define _GL_STDINT_H
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60
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61 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
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62 IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
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63 AIX 5.2 <sys/types.h> isn't needed and causes troubles.
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64 MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
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65 relies on the system <stdint.h> definitions, so include
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66 <sys/types.h> after @NEXT_STDINT_H@. */
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67 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
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68 # include <sys/types.h>
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69 #endif
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70
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71 /* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
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72 #include <limits.h>
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73
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74 #if @HAVE_INTTYPES_H@
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75 /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
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76 int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
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77 <inttypes.h> also defines intptr_t and uintptr_t. */
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78 # include <inttypes.h>
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79 #elif @HAVE_SYS_INTTYPES_H@
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80 /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
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81 the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
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82 # include <sys/inttypes.h>
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83 #endif
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84
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85 #if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
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86 /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
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87 int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
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88 included by <sys/types.h>. */
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89 # include <sys/bitypes.h>
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90 #endif
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91
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92 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
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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 : /* The expression for the unsigned case. The subtraction of (signed) \
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105 is a nop in the unsigned case and avoids "signed integer overflow" \
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106 warnings in the signed case. */ \
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107 ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
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108
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109 /* 7.18.1.1. Exact-width integer types */
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110
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111 /* Here we assume a standard architecture where the hardware integer
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112 types have 8, 16, 32, optionally 64 bits. */
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113
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114 #undef int8_t
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115 #undef uint8_t
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116 typedef signed char gl_int8_t;
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117 typedef unsigned char gl_uint8_t;
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118 #define int8_t gl_int8_t
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119 #define uint8_t gl_uint8_t
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120
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121 #undef int16_t
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122 #undef uint16_t
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123 typedef short int gl_int16_t;
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124 typedef unsigned short int gl_uint16_t;
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125 #define int16_t gl_int16_t
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126 #define uint16_t gl_uint16_t
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127
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128 #undef int32_t
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129 #undef uint32_t
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130 typedef int gl_int32_t;
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131 typedef unsigned int gl_uint32_t;
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132 #define int32_t gl_int32_t
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133 #define uint32_t gl_uint32_t
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134
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135 /* Do not undefine int64_t if gnulib is not being used with 64-bit
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136 types, since otherwise it breaks platforms like Tandem/NSK. */
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137 #if LONG_MAX >> 31 >> 31 == 1
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138 # undef int64_t
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139 typedef long int gl_int64_t;
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140 # define int64_t gl_int64_t
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141 # define GL_INT64_T
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142 #elif defined _MSC_VER
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143 # undef int64_t
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144 typedef __int64 gl_int64_t;
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145 # define int64_t gl_int64_t
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146 # define GL_INT64_T
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147 #elif @HAVE_LONG_LONG_INT@
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148 # undef int64_t
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149 typedef long long int gl_int64_t;
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150 # define int64_t gl_int64_t
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151 # define GL_INT64_T
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152 #endif
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153
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154 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
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155 # undef uint64_t
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156 typedef unsigned long int gl_uint64_t;
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157 # define uint64_t gl_uint64_t
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158 # define GL_UINT64_T
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159 #elif defined _MSC_VER
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160 # undef uint64_t
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161 typedef unsigned __int64 gl_uint64_t;
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162 # define uint64_t gl_uint64_t
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163 # define GL_UINT64_T
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164 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
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165 # undef uint64_t
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166 typedef unsigned long long int gl_uint64_t;
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167 # define uint64_t gl_uint64_t
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168 # define GL_UINT64_T
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169 #endif
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170
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171 /* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
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172 #define _UINT8_T
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173 #define _UINT32_T
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174 #define _UINT64_T
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175
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176
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177 /* 7.18.1.2. Minimum-width integer types */
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178
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179 /* Here we assume a standard architecture where the hardware integer
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180 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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181 are the same as the corresponding N_t types. */
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182
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183 #undef int_least8_t
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184 #undef uint_least8_t
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185 #undef int_least16_t
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186 #undef uint_least16_t
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187 #undef int_least32_t
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188 #undef uint_least32_t
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189 #undef int_least64_t
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190 #undef uint_least64_t
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191 #define int_least8_t int8_t
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192 #define uint_least8_t uint8_t
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193 #define int_least16_t int16_t
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194 #define uint_least16_t uint16_t
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195 #define int_least32_t int32_t
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196 #define uint_least32_t uint32_t
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197 #ifdef GL_INT64_T
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198 # define int_least64_t int64_t
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199 #endif
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200 #ifdef GL_UINT64_T
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201 # define uint_least64_t uint64_t
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202 #endif
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203
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204 /* 7.18.1.3. Fastest minimum-width integer types */
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205
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206 /* Note: Other <stdint.h> substitutes may define these types differently.
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207 It is not recommended to use these types in public header files. */
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208
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209 /* Here we assume a standard architecture where the hardware integer
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210 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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211 are taken from the same list of types. Assume that 'long int'
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212 is fast enough for all narrower integers. */
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213
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214 #undef int_fast8_t
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215 #undef uint_fast8_t
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216 #undef int_fast16_t
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217 #undef uint_fast16_t
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218 #undef int_fast32_t
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219 #undef uint_fast32_t
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220 #undef int_fast64_t
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221 #undef uint_fast64_t
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222 typedef long int gl_int_fast8_t;
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223 typedef unsigned long int gl_uint_fast8_t;
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224 typedef long int gl_int_fast16_t;
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225 typedef unsigned long int gl_uint_fast16_t;
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226 typedef long int gl_int_fast32_t;
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227 typedef unsigned long int gl_uint_fast32_t;
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228 #define int_fast8_t gl_int_fast8_t
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229 #define uint_fast8_t gl_uint_fast8_t
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230 #define int_fast16_t gl_int_fast16_t
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231 #define uint_fast16_t gl_uint_fast16_t
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232 #define int_fast32_t gl_int_fast32_t
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233 #define uint_fast32_t gl_uint_fast32_t
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234 #ifdef GL_INT64_T
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235 # define int_fast64_t int64_t
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236 #endif
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237 #ifdef GL_UINT64_T
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238 # define uint_fast64_t uint64_t
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239 #endif
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240
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241 /* 7.18.1.4. Integer types capable of holding object pointers */
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242
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243 #undef intptr_t
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244 #undef uintptr_t
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245 typedef long int gl_intptr_t;
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246 typedef unsigned long int gl_uintptr_t;
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247 #define intptr_t gl_intptr_t
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248 #define uintptr_t gl_uintptr_t
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249
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250 /* 7.18.1.5. Greatest-width integer types */
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251
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252 /* Note: These types are compiler dependent. It may be unwise to use them in
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253 public header files. */
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254
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255 #undef intmax_t
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256 #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
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257 typedef long long int gl_intmax_t;
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258 # define intmax_t gl_intmax_t
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259 #elif defined GL_INT64_T
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260 # define intmax_t int64_t
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261 #else
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262 typedef long int gl_intmax_t;
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263 # define intmax_t gl_intmax_t
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264 #endif
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265
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266 #undef uintmax_t
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267 #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
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268 typedef unsigned long long int gl_uintmax_t;
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269 # define uintmax_t gl_uintmax_t
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270 #elif defined GL_UINT64_T
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271 # define uintmax_t uint64_t
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272 #else
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273 typedef unsigned long int gl_uintmax_t;
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274 # define uintmax_t gl_uintmax_t
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275 #endif
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276
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277 /* Verify that intmax_t and uintmax_t have the same size. Too much code
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278 breaks if this is not the case. If this check fails, the reason is likely
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279 to be found in the autoconf macros. */
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280 typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1];
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281
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282 /* 7.18.2. Limits of specified-width integer types */
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283
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284 #if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
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285
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286 /* 7.18.2.1. Limits of exact-width integer types */
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287
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288 /* Here we assume a standard architecture where the hardware integer
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289 types have 8, 16, 32, optionally 64 bits. */
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290
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291 #undef INT8_MIN
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292 #undef INT8_MAX
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293 #undef UINT8_MAX
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294 #define INT8_MIN (~ INT8_MAX)
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295 #define INT8_MAX 127
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296 #define UINT8_MAX 255
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297
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298 #undef INT16_MIN
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299 #undef INT16_MAX
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300 #undef UINT16_MAX
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301 #define INT16_MIN (~ INT16_MAX)
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302 #define INT16_MAX 32767
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303 #define UINT16_MAX 65535
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304
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305 #undef INT32_MIN
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306 #undef INT32_MAX
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307 #undef UINT32_MAX
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308 #define INT32_MIN (~ INT32_MAX)
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309 #define INT32_MAX 2147483647
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310 #define UINT32_MAX 4294967295U
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311
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312 #undef INT64_MIN
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313 #undef INT64_MAX
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314 #ifdef GL_INT64_T
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315 /* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
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316 evaluates the latter incorrectly in preprocessor expressions. */
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317 # define INT64_MIN (- INTMAX_C (1) << 63)
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318 # define INT64_MAX INTMAX_C (9223372036854775807)
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319 #endif
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320
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321 #undef UINT64_MAX
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322 #ifdef GL_UINT64_T
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323 # define UINT64_MAX UINTMAX_C (18446744073709551615)
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324 #endif
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325
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326 /* 7.18.2.2. Limits of minimum-width integer types */
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327
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328 /* Here we assume a standard architecture where the hardware integer
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329 types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
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330 are the same as the corresponding N_t types. */
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331
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332 #undef INT_LEAST8_MIN
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333 #undef INT_LEAST8_MAX
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334 #undef UINT_LEAST8_MAX
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335 #define INT_LEAST8_MIN INT8_MIN
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336 #define INT_LEAST8_MAX INT8_MAX
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337 #define UINT_LEAST8_MAX UINT8_MAX
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338
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339 #undef INT_LEAST16_MIN
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340 #undef INT_LEAST16_MAX
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341 #undef UINT_LEAST16_MAX
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342 #define INT_LEAST16_MIN INT16_MIN
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343 #define INT_LEAST16_MAX INT16_MAX
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344 #define UINT_LEAST16_MAX UINT16_MAX
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345
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346 #undef INT_LEAST32_MIN
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347 #undef INT_LEAST32_MAX
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348 #undef UINT_LEAST32_MAX
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349 #define INT_LEAST32_MIN INT32_MIN
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350 #define INT_LEAST32_MAX INT32_MAX
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351 #define UINT_LEAST32_MAX UINT32_MAX
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352
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353 #undef INT_LEAST64_MIN
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354 #undef INT_LEAST64_MAX
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355 #ifdef GL_INT64_T
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356 # define INT_LEAST64_MIN INT64_MIN
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357 # define INT_LEAST64_MAX INT64_MAX
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358 #endif
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359
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360 #undef UINT_LEAST64_MAX
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361 #ifdef GL_UINT64_T
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362 # define UINT_LEAST64_MAX UINT64_MAX
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363 #endif
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364
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365 /* 7.18.2.3. Limits of fastest minimum-width integer types */
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366
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367 /* Here we assume a standard architecture where the hardware integer
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368 types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
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369 are taken from the same list of types. */
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370
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371 #undef INT_FAST8_MIN
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372 #undef INT_FAST8_MAX
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373 #undef UINT_FAST8_MAX
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374 #define INT_FAST8_MIN LONG_MIN
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375 #define INT_FAST8_MAX LONG_MAX
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376 #define UINT_FAST8_MAX ULONG_MAX
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377
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378 #undef INT_FAST16_MIN
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379 #undef INT_FAST16_MAX
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380 #undef UINT_FAST16_MAX
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381 #define INT_FAST16_MIN LONG_MIN
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382 #define INT_FAST16_MAX LONG_MAX
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383 #define UINT_FAST16_MAX ULONG_MAX
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384
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385 #undef INT_FAST32_MIN
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386 #undef INT_FAST32_MAX
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387 #undef UINT_FAST32_MAX
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388 #define INT_FAST32_MIN LONG_MIN
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389 #define INT_FAST32_MAX LONG_MAX
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390 #define UINT_FAST32_MAX ULONG_MAX
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391
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392 #undef INT_FAST64_MIN
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393 #undef INT_FAST64_MAX
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394 #ifdef GL_INT64_T
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395 # define INT_FAST64_MIN INT64_MIN
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396 # define INT_FAST64_MAX INT64_MAX
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397 #endif
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398
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399 #undef UINT_FAST64_MAX
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400 #ifdef GL_UINT64_T
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401 # define UINT_FAST64_MAX UINT64_MAX
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402 #endif
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403
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404 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
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405
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406 #undef INTPTR_MIN
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407 #undef INTPTR_MAX
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408 #undef UINTPTR_MAX
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409 #define INTPTR_MIN LONG_MIN
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410 #define INTPTR_MAX LONG_MAX
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411 #define UINTPTR_MAX ULONG_MAX
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412
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413 /* 7.18.2.5. Limits of greatest-width integer types */
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414
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415 #undef INTMAX_MIN
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416 #undef INTMAX_MAX
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417 #ifdef INT64_MAX
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418 # define INTMAX_MIN INT64_MIN
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419 # define INTMAX_MAX INT64_MAX
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420 #else
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421 # define INTMAX_MIN INT32_MIN
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422 # define INTMAX_MAX INT32_MAX
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423 #endif
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424
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425 #undef UINTMAX_MAX
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426 #ifdef UINT64_MAX
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427 # define UINTMAX_MAX UINT64_MAX
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428 #else
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429 # define UINTMAX_MAX UINT32_MAX
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430 #endif
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431
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432 /* 7.18.3. Limits of other integer types */
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433
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434 /* ptrdiff_t limits */
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435 #undef PTRDIFF_MIN
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436 #undef PTRDIFF_MAX
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437 #if @APPLE_UNIVERSAL_BUILD@
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438 # if _LP64
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439 # define PTRDIFF_MIN _STDINT_MIN (1, 64, 0l)
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440 # define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l)
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441 # else
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442 # define PTRDIFF_MIN _STDINT_MIN (1, 32, 0)
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443 # define PTRDIFF_MAX _STDINT_MAX (1, 32, 0)
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444 # endif
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445 #else
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446 # define PTRDIFF_MIN \
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447 _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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448 # define PTRDIFF_MAX \
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449 _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
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450 #endif
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451
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452 /* sig_atomic_t limits */
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453 #undef SIG_ATOMIC_MIN
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454 #undef SIG_ATOMIC_MAX
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455 #define SIG_ATOMIC_MIN \
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456 _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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457 0@SIG_ATOMIC_T_SUFFIX@)
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458 #define SIG_ATOMIC_MAX \
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459 _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
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460 0@SIG_ATOMIC_T_SUFFIX@)
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461
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462
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463 /* size_t limit */
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464 #undef SIZE_MAX
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465 #if @APPLE_UNIVERSAL_BUILD@
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466 # if _LP64
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467 # define SIZE_MAX _STDINT_MAX (0, 64, 0ul)
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468 # else
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469 # define SIZE_MAX _STDINT_MAX (0, 32, 0ul)
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470 # endif
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471 #else
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472 # define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
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473 #endif
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474
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475 /* wchar_t limits */
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476 /* Get WCHAR_MIN, WCHAR_MAX.
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477 This include is not on the top, above, because on OSF/1 4.0 we have a sequence of nested
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478 includes <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
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479 <stdint.h> and assumes its types are already defined. */
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480 #if ! (defined WCHAR_MIN && defined WCHAR_MAX)
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481 # include <wchar.h>
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482 #endif
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483 #undef WCHAR_MIN
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484 #undef WCHAR_MAX
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485 #define WCHAR_MIN \
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486 _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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487 #define WCHAR_MAX \
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488 _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
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489
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490 /* wint_t limits */
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491 #undef WINT_MIN
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492 #undef WINT_MAX
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493 #define WINT_MIN \
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494 _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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495 #define WINT_MAX \
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496 _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
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497
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|
|
498 #endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
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|
499
|
|
|
500 /* 7.18.4. Macros for integer constants */
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501
|
|
|
502 #if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
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503
|
|
|
504 /* 7.18.4.1. Macros for minimum-width integer constants */
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|
505 /* According to ISO C 99 Technical Corrigendum 1 */
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506
|
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|
507 /* Here we assume a standard architecture where the hardware integer
|
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|
508 types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
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509
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510 #undef INT8_C
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511 #undef UINT8_C
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512 #define INT8_C(x) x
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|
513 #define UINT8_C(x) x
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514
|
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515 #undef INT16_C
|
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516 #undef UINT16_C
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517 #define INT16_C(x) x
|
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518 #define UINT16_C(x) x
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519
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520 #undef INT32_C
|
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521 #undef UINT32_C
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|
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522 #define INT32_C(x) x
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|
523 #define UINT32_C(x) x ## U
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524
|
|
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525 #undef INT64_C
|
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|
526 #undef UINT64_C
|
|
|
527 #if LONG_MAX >> 31 >> 31 == 1
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|
|
528 # define INT64_C(x) x##L
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|
|
529 #elif defined _MSC_VER
|
|
|
530 # define INT64_C(x) x##i64
|
|
|
531 #elif @HAVE_LONG_LONG_INT@
|
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|
532 # define INT64_C(x) x##LL
|
|
|
533 #endif
|
|
|
534 #if ULONG_MAX >> 31 >> 31 >> 1 == 1
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|
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535 # define UINT64_C(x) x##UL
|
|
|
536 #elif defined _MSC_VER
|
|
|
537 # define UINT64_C(x) x##ui64
|
|
|
538 #elif @HAVE_UNSIGNED_LONG_LONG_INT@
|
|
|
539 # define UINT64_C(x) x##ULL
|
|
|
540 #endif
|
|
|
541
|
|
|
542 /* 7.18.4.2. Macros for greatest-width integer constants */
|
|
|
543
|
|
|
544 #undef INTMAX_C
|
|
|
545 #if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
|
|
|
546 # define INTMAX_C(x) x##LL
|
|
|
547 #elif defined GL_INT64_T
|
|
|
548 # define INTMAX_C(x) INT64_C(x)
|
|
|
549 #else
|
|
|
550 # define INTMAX_C(x) x##L
|
|
|
551 #endif
|
|
|
552
|
|
|
553 #undef UINTMAX_C
|
|
|
554 #if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
|
|
|
555 # define UINTMAX_C(x) x##ULL
|
|
|
556 #elif defined GL_UINT64_T
|
|
|
557 # define UINTMAX_C(x) UINT64_C(x)
|
|
|
558 #else
|
|
|
559 # define UINTMAX_C(x) x##UL
|
|
|
560 #endif
|
|
|
561
|
|
|
562 #endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
|
|
|
563
|
|
|
564 #endif /* _GL_STDINT_H */
|
|
|
565 #endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
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