Mercurial > trustbridge > nss-cmake-static
annotate nspr/pr/include/prtypes.h @ 3:150b72113545
Add DBM and legacydb support
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Tue, 05 Aug 2014 18:32:02 +0200 |
parents | 1e5118fa0cb1 |
children |
rev | line source |
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0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 /* |
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7 ** File: prtypes.h |
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8 ** Description: Definitions of NSPR's basic types |
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9 ** |
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10 ** Prototypes and macros used to make up for deficiencies that we have found |
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11 ** in ANSI environments. |
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12 ** |
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13 ** Since we do not wrap <stdlib.h> and all the other standard headers, authors |
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14 ** of portable code will not know in general that they need these definitions. |
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15 ** Instead of requiring these authors to find the dependent uses in their code |
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16 ** and take the following steps only in those C files, we take steps once here |
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17 ** for all C files. |
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18 **/ |
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19 |
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20 #ifndef prtypes_h___ |
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21 #define prtypes_h___ |
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22 |
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23 #ifdef MDCPUCFG |
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24 #include MDCPUCFG |
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25 #else |
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26 #include "prcpucfg.h" |
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27 #endif |
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28 |
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29 #include <stddef.h> |
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30 |
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31 /*********************************************************************** |
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32 ** MACROS: PR_EXTERN |
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33 ** PR_IMPLEMENT |
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34 ** DESCRIPTION: |
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35 ** These are only for externally visible routines and globals. For |
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36 ** internal routines, just use "extern" for type checking and that |
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37 ** will not export internal cross-file or forward-declared symbols. |
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38 ** Define a macro for declaring procedures return types. We use this to |
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39 ** deal with windoze specific type hackery for DLL definitions. Use |
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40 ** PR_EXTERN when the prototype for the method is declared. Use |
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41 ** PR_IMPLEMENT for the implementation of the method. |
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42 ** |
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43 ** Example: |
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44 ** in dowhim.h |
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45 ** PR_EXTERN( void ) DoWhatIMean( void ); |
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46 ** in dowhim.c |
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47 ** PR_IMPLEMENT( void ) DoWhatIMean( void ) { return; } |
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48 ** |
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49 ** |
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50 ***********************************************************************/ |
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51 #if defined(NSPR_STATIC) |
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52 |
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53 #define PR_EXPORT(__type) extern __type |
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54 #define PR_EXPORT_DATA(__type) extern __type |
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55 #define PR_IMPORT(__type) extern __type |
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56 #define PR_IMPORT_DATA(__type) extern __type |
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57 |
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58 #define PR_EXTERN(__type) extern __type |
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59 #define PR_IMPLEMENT(__type) __type |
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60 #define PR_EXTERN_DATA(__type) extern __type |
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61 #define PR_IMPLEMENT_DATA(__type) __type |
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62 |
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63 #define PR_CALLBACK |
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64 #define PR_CALLBACK_DECL |
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65 #define PR_STATIC_CALLBACK(__x) static __x |
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66 |
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67 #elif defined(WIN32) |
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68 |
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69 #define PR_EXPORT(__type) extern __declspec(dllexport) __type |
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70 #define PR_EXPORT_DATA(__type) extern __declspec(dllexport) __type |
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71 #define PR_IMPORT(__type) __declspec(dllimport) __type |
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72 #define PR_IMPORT_DATA(__type) __declspec(dllimport) __type |
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73 |
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74 #define PR_EXTERN(__type) extern __declspec(dllexport) __type |
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75 #define PR_IMPLEMENT(__type) __declspec(dllexport) __type |
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76 #define PR_EXTERN_DATA(__type) extern __declspec(dllexport) __type |
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77 #define PR_IMPLEMENT_DATA(__type) __declspec(dllexport) __type |
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78 |
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79 #define PR_CALLBACK |
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80 #define PR_CALLBACK_DECL |
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81 #define PR_STATIC_CALLBACK(__x) static __x |
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82 |
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83 #elif defined(XP_BEOS) |
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84 |
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85 #define PR_EXPORT(__type) extern __declspec(dllexport) __type |
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86 #define PR_EXPORT_DATA(__type) extern __declspec(dllexport) __type |
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87 #define PR_IMPORT(__type) extern __declspec(dllexport) __type |
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88 #define PR_IMPORT_DATA(__type) extern __declspec(dllexport) __type |
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89 |
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90 #define PR_EXTERN(__type) extern __declspec(dllexport) __type |
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91 #define PR_IMPLEMENT(__type) __declspec(dllexport) __type |
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92 #define PR_EXTERN_DATA(__type) extern __declspec(dllexport) __type |
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93 #define PR_IMPLEMENT_DATA(__type) __declspec(dllexport) __type |
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94 |
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95 #define PR_CALLBACK |
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96 #define PR_CALLBACK_DECL |
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97 #define PR_STATIC_CALLBACK(__x) static __x |
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98 |
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99 #elif defined(XP_OS2) && defined(__declspec) |
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100 |
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101 #define PR_EXPORT(__type) extern __declspec(dllexport) __type |
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102 #define PR_EXPORT_DATA(__type) extern __declspec(dllexport) __type |
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103 #define PR_IMPORT(__type) extern __declspec(dllimport) __type |
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104 #define PR_IMPORT_DATA(__type) extern __declspec(dllimport) __type |
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105 |
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106 #define PR_EXTERN(__type) extern __declspec(dllexport) __type |
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107 #define PR_IMPLEMENT(__type) __declspec(dllexport) __type |
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108 #define PR_EXTERN_DATA(__type) extern __declspec(dllexport) __type |
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109 #define PR_IMPLEMENT_DATA(__type) __declspec(dllexport) __type |
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110 |
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111 #define PR_CALLBACK |
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112 #define PR_CALLBACK_DECL |
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113 #define PR_STATIC_CALLBACK(__x) static __x |
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114 |
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115 #elif defined(SYMBIAN) |
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116 |
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117 #define PR_EXPORT(__type) extern __declspec(dllexport) __type |
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118 #define PR_EXPORT_DATA(__type) extern __declspec(dllexport) __type |
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119 #ifdef __WINS__ |
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120 #define PR_IMPORT(__type) extern __declspec(dllexport) __type |
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121 #define PR_IMPORT_DATA(__type) extern __declspec(dllexport) __type |
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122 #else |
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123 #define PR_IMPORT(__type) extern __declspec(dllimport) __type |
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124 #define PR_IMPORT_DATA(__type) extern __declspec(dllimport) __type |
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125 #endif |
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126 |
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127 #define PR_EXTERN(__type) extern __type |
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128 #define PR_IMPLEMENT(__type) __type |
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129 #define PR_EXTERN_DATA(__type) extern __type |
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130 #define PR_IMPLEMENT_DATA(__type) __type |
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131 |
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132 #define PR_CALLBACK |
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133 #define PR_CALLBACK_DECL |
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134 #define PR_STATIC_CALLBACK(__x) static __x |
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135 |
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136 #else /* Unix */ |
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137 |
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138 /* GCC 3.3 and later support the visibility attribute. */ |
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139 #if (__GNUC__ >= 4) || \ |
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140 (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) |
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141 #define PR_VISIBILITY_DEFAULT __attribute__((visibility("default"))) |
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142 #else |
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143 #define PR_VISIBILITY_DEFAULT |
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144 #endif |
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145 |
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146 #define PR_EXPORT(__type) extern PR_VISIBILITY_DEFAULT __type |
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147 #define PR_EXPORT_DATA(__type) extern PR_VISIBILITY_DEFAULT __type |
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148 #define PR_IMPORT(__type) extern PR_VISIBILITY_DEFAULT __type |
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149 #define PR_IMPORT_DATA(__type) extern PR_VISIBILITY_DEFAULT __type |
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150 |
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151 #define PR_EXTERN(__type) extern PR_VISIBILITY_DEFAULT __type |
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152 #define PR_IMPLEMENT(__type) PR_VISIBILITY_DEFAULT __type |
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153 #define PR_EXTERN_DATA(__type) extern PR_VISIBILITY_DEFAULT __type |
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154 #define PR_IMPLEMENT_DATA(__type) PR_VISIBILITY_DEFAULT __type |
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155 #define PR_CALLBACK |
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156 #define PR_CALLBACK_DECL |
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157 #define PR_STATIC_CALLBACK(__x) static __x |
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158 |
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159 #endif |
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160 |
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161 #if defined(_NSPR_BUILD_) |
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162 #define NSPR_API(__type) PR_EXPORT(__type) |
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163 #define NSPR_DATA_API(__type) PR_EXPORT_DATA(__type) |
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164 #else |
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165 #define NSPR_API(__type) PR_IMPORT(__type) |
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166 #define NSPR_DATA_API(__type) PR_IMPORT_DATA(__type) |
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167 #endif |
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168 |
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169 /*********************************************************************** |
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170 ** MACROS: PR_BEGIN_MACRO |
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171 ** PR_END_MACRO |
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172 ** DESCRIPTION: |
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173 ** Macro body brackets so that macros with compound statement definitions |
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174 ** behave syntactically more like functions when called. |
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175 ***********************************************************************/ |
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176 #define PR_BEGIN_MACRO do { |
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177 #define PR_END_MACRO } while (0) |
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178 |
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179 /*********************************************************************** |
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180 ** MACROS: PR_BEGIN_EXTERN_C |
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181 ** PR_END_EXTERN_C |
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182 ** DESCRIPTION: |
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183 ** Macro shorthands for conditional C++ extern block delimiters. |
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184 ***********************************************************************/ |
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185 #ifdef __cplusplus |
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186 #define PR_BEGIN_EXTERN_C extern "C" { |
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187 #define PR_END_EXTERN_C } |
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188 #else |
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189 #define PR_BEGIN_EXTERN_C |
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190 #define PR_END_EXTERN_C |
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191 #endif |
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192 |
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193 /*********************************************************************** |
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194 ** MACROS: PR_BIT |
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195 ** PR_BITMASK |
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196 ** DESCRIPTION: |
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197 ** Bit masking macros. XXX n must be <= 31 to be portable |
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198 ***********************************************************************/ |
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199 #define PR_BIT(n) ((PRUint32)1 << (n)) |
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200 #define PR_BITMASK(n) (PR_BIT(n) - 1) |
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201 |
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202 /*********************************************************************** |
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203 ** MACROS: PR_ROUNDUP |
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204 ** PR_MIN |
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205 ** PR_MAX |
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206 ** PR_ABS |
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207 ** DESCRIPTION: |
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208 ** Commonly used macros for operations on compatible types. |
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209 ***********************************************************************/ |
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210 #define PR_ROUNDUP(x,y) ((((x)+((y)-1))/(y))*(y)) |
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211 #define PR_MIN(x,y) ((x)<(y)?(x):(y)) |
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212 #define PR_MAX(x,y) ((x)>(y)?(x):(y)) |
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213 #define PR_ABS(x) ((x)<0?-(x):(x)) |
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214 |
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215 /*********************************************************************** |
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216 ** MACROS: PR_ARRAY_SIZE |
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217 ** DESCRIPTION: |
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218 ** The number of elements in an array. |
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219 ***********************************************************************/ |
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220 #define PR_ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) |
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221 |
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222 PR_BEGIN_EXTERN_C |
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223 |
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224 /* |
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225 ** Starting in NSPR 4.9.5, NSPR's exact-width integer types should match |
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226 ** the exact-width integer types defined in <stdint.h>. This allows sloppy |
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227 ** code to use PRInt{N} and int{N}_t interchangeably. |
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228 ** |
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229 ** The 8-bit and 16-bit integer types can only be defined using char and |
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230 ** short. All platforms define the 32-bit integer types using int. So only |
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231 ** the 64-bit integer types could be defined differently. |
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232 ** |
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233 ** NSPR's original strategy was to use the "shortest" 64-bit integer type: |
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234 ** if long is 64-bit, then prefer it over long long. This strategy is also |
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235 ** used by Linux/glibc, FreeBSD, and NetBSD. |
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236 ** |
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237 ** Other platforms use a different strategy: simply define the 64-bit |
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238 ** integer types using long long. We define the PR_ALTERNATE_INT64_TYPEDEF |
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239 ** macro on these platforms. Note that PR_ALTERNATE_INT64_TYPEDEF is for |
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240 ** internal use by NSPR headers only. Do not define or test this macro in |
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241 ** your code. |
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242 ** |
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243 ** NOTE: NSPR can't use <stdint.h> because C99 requires C++ code to define |
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244 ** __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS to make all the macros |
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245 ** defined in <stdint.h> available. This strange requirement is gone in |
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246 ** C11. When most platforms ignore this C99 requirement, NSPR will be able |
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247 ** to use <stdint.h>. A patch to do that is in NSPR bug 634793. |
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248 */ |
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249 |
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250 #if defined(__APPLE__) || defined(__ANDROID__) || defined(__OpenBSD__) |
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251 #define PR_ALTERNATE_INT64_TYPEDEF |
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252 #endif |
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253 |
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254 /************************************************************************ |
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255 ** TYPES: PRUint8 |
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256 ** PRInt8 |
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257 ** DESCRIPTION: |
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258 ** The int8 types are known to be 8 bits each. There is no type that |
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259 ** is equivalent to a plain "char". |
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260 ************************************************************************/ |
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261 #if PR_BYTES_PER_BYTE == 1 |
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262 typedef unsigned char PRUint8; |
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263 /* |
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264 ** Some cfront-based C++ compilers do not like 'signed char' and |
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265 ** issue the warning message: |
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266 ** warning: "signed" not implemented (ignored) |
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267 ** For these compilers, we have to define PRInt8 as plain 'char'. |
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268 ** Make sure that plain 'char' is indeed signed under these compilers. |
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269 */ |
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270 #if (defined(HPUX) && defined(__cplusplus) \ |
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271 && !defined(__GNUC__) && __cplusplus < 199707L) \ |
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272 || (defined(SCO) && defined(__cplusplus) \ |
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273 && !defined(__GNUC__) && __cplusplus == 1L) |
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274 typedef char PRInt8; |
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275 #else |
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276 typedef signed char PRInt8; |
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277 #endif |
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278 #else |
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279 #error No suitable type for PRInt8/PRUint8 |
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280 #endif |
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281 |
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282 /************************************************************************ |
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283 * MACROS: PR_INT8_MAX |
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284 * PR_INT8_MIN |
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285 * PR_UINT8_MAX |
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286 * DESCRIPTION: |
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287 * The maximum and minimum values of a PRInt8 or PRUint8. |
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288 ************************************************************************/ |
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289 |
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290 #define PR_INT8_MAX 127 |
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291 #define PR_INT8_MIN (-128) |
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292 #define PR_UINT8_MAX 255U |
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293 |
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294 /************************************************************************ |
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295 ** TYPES: PRUint16 |
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296 ** PRInt16 |
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297 ** DESCRIPTION: |
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298 ** The int16 types are known to be 16 bits each. |
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299 ************************************************************************/ |
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300 #if PR_BYTES_PER_SHORT == 2 |
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301 typedef unsigned short PRUint16; |
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302 typedef short PRInt16; |
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303 #else |
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304 #error No suitable type for PRInt16/PRUint16 |
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305 #endif |
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306 |
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307 /************************************************************************ |
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308 * MACROS: PR_INT16_MAX |
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309 * PR_INT16_MIN |
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310 * PR_UINT16_MAX |
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311 * DESCRIPTION: |
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312 * The maximum and minimum values of a PRInt16 or PRUint16. |
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313 ************************************************************************/ |
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314 |
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315 #define PR_INT16_MAX 32767 |
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316 #define PR_INT16_MIN (-32768) |
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317 #define PR_UINT16_MAX 65535U |
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318 |
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319 /************************************************************************ |
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320 ** TYPES: PRUint32 |
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321 ** PRInt32 |
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322 ** DESCRIPTION: |
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323 ** The int32 types are known to be 32 bits each. |
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324 ************************************************************************/ |
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325 #if PR_BYTES_PER_INT == 4 |
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326 typedef unsigned int PRUint32; |
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327 typedef int PRInt32; |
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328 #define PR_INT32(x) x |
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329 #define PR_UINT32(x) x ## U |
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330 #elif PR_BYTES_PER_LONG == 4 |
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331 typedef unsigned long PRUint32; |
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332 typedef long PRInt32; |
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333 #define PR_INT32(x) x ## L |
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334 #define PR_UINT32(x) x ## UL |
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335 #else |
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336 #error No suitable type for PRInt32/PRUint32 |
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337 #endif |
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338 |
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339 /************************************************************************ |
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340 * MACROS: PR_INT32_MAX |
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341 * PR_INT32_MIN |
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342 * PR_UINT32_MAX |
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343 * DESCRIPTION: |
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344 * The maximum and minimum values of a PRInt32 or PRUint32. |
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345 ************************************************************************/ |
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346 |
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347 #define PR_INT32_MAX PR_INT32(2147483647) |
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348 #define PR_INT32_MIN (-PR_INT32_MAX - 1) |
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349 #define PR_UINT32_MAX PR_UINT32(4294967295) |
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350 |
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351 /************************************************************************ |
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352 ** TYPES: PRUint64 |
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353 ** PRInt64 |
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354 ** DESCRIPTION: |
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355 ** The int64 types are known to be 64 bits each. Care must be used when |
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356 ** declaring variables of type PRUint64 or PRInt64. Different hardware |
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357 ** architectures and even different compilers have varying support for |
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358 ** 64 bit values. The only guaranteed portability requires the use of |
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359 ** the LL_ macros (see prlong.h). |
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360 ** |
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361 ** MACROS: PR_INT64 |
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362 ** PR_UINT64 |
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363 ** DESCRIPTION: |
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364 ** The PR_INT64 and PR_UINT64 macros provide a portable way for |
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365 ** specifying 64-bit integer constants. They can only be used if |
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366 ** PRInt64 and PRUint64 are defined as compiler-supported 64-bit |
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367 ** integer types (i.e., if HAVE_LONG_LONG is defined, which is true |
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368 ** for all the supported compilers topday). If PRInt64 and PRUint64 |
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369 ** are defined as structs, the LL_INIT macro defined in prlong.h has |
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370 ** to be used. |
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371 ** |
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372 ** MACROS: PR_INT64_MAX |
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373 ** PR_INT64_MIN |
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374 ** PR_UINT64_MAX |
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375 ** DESCRIPTION: |
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376 ** The maximum and minimum values of a PRInt64 or PRUint64. |
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377 ************************************************************************/ |
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378 #ifdef HAVE_LONG_LONG |
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379 /* Keep this in sync with prlong.h. */ |
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380 #if PR_BYTES_PER_LONG == 8 && !defined(PR_ALTERNATE_INT64_TYPEDEF) |
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381 typedef long PRInt64; |
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382 typedef unsigned long PRUint64; |
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383 #define PR_INT64(x) x ## L |
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384 #define PR_UINT64(x) x ## UL |
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385 #elif defined(WIN32) && !defined(__GNUC__) |
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386 typedef __int64 PRInt64; |
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387 typedef unsigned __int64 PRUint64; |
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388 #define PR_INT64(x) x ## i64 |
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389 #define PR_UINT64(x) x ## ui64 |
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390 #else |
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391 typedef long long PRInt64; |
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392 typedef unsigned long long PRUint64; |
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393 #define PR_INT64(x) x ## LL |
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394 #define PR_UINT64(x) x ## ULL |
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395 #endif /* PR_BYTES_PER_LONG == 8 */ |
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396 |
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397 #define PR_INT64_MAX PR_INT64(0x7fffffffffffffff) |
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398 #define PR_INT64_MIN (-PR_INT64_MAX - 1) |
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399 #define PR_UINT64_MAX PR_UINT64(-1) |
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400 #else /* !HAVE_LONG_LONG */ |
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401 typedef struct { |
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402 #ifdef IS_LITTLE_ENDIAN |
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403 PRUint32 lo, hi; |
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404 #else |
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405 PRUint32 hi, lo; |
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406 #endif |
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407 } PRInt64; |
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408 typedef PRInt64 PRUint64; |
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409 |
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410 #define PR_INT64_MAX (PRInt64){0x7fffffff, 0xffffffff} |
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411 #define PR_INT64_MIN (PRInt64){0xffffffff, 0xffffffff} |
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412 #define PR_UINT64_MAX (PRUint64){0xffffffff, 0xffffffff} |
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413 |
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414 #endif /* !HAVE_LONG_LONG */ |
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415 |
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416 /************************************************************************ |
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417 ** TYPES: PRUintn |
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418 ** PRIntn |
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419 ** DESCRIPTION: |
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420 ** The PRIntn types are most appropriate for automatic variables. They are |
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421 ** guaranteed to be at least 16 bits, though various architectures may |
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422 ** define them to be wider (e.g., 32 or even 64 bits). These types are |
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423 ** never valid for fields of a structure. |
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424 ************************************************************************/ |
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425 #if PR_BYTES_PER_INT >= 2 |
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426 typedef int PRIntn; |
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427 typedef unsigned int PRUintn; |
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428 #else |
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429 #error 'sizeof(int)' not sufficient for platform use |
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430 #endif |
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431 |
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432 /************************************************************************ |
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433 ** TYPES: PRFloat64 |
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434 ** DESCRIPTION: |
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435 ** NSPR's floating point type is always 64 bits. |
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436 ************************************************************************/ |
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437 typedef double PRFloat64; |
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438 |
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439 /************************************************************************ |
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440 ** TYPES: PRSize |
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441 ** DESCRIPTION: |
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442 ** A type for representing the size of objects. |
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443 ************************************************************************/ |
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444 typedef size_t PRSize; |
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445 |
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446 |
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447 /************************************************************************ |
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448 ** TYPES: PROffset32, PROffset64 |
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449 ** DESCRIPTION: |
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450 ** A type for representing byte offsets from some location. |
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451 ************************************************************************/ |
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452 typedef PRInt32 PROffset32; |
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453 typedef PRInt64 PROffset64; |
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454 |
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455 /************************************************************************ |
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456 ** TYPES: PRPtrDiff |
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457 ** DESCRIPTION: |
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458 ** A type for pointer difference. Variables of this type are suitable |
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459 ** for storing a pointer or pointer subtraction. |
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460 ************************************************************************/ |
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461 typedef ptrdiff_t PRPtrdiff; |
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462 |
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463 /************************************************************************ |
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464 ** TYPES: PRUptrdiff |
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465 ** DESCRIPTION: |
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466 ** A type for pointer difference. Variables of this type are suitable |
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467 ** for storing a pointer or pointer sutraction. |
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468 ************************************************************************/ |
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469 #ifdef _WIN64 |
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470 typedef PRUint64 PRUptrdiff; |
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471 #else |
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472 typedef unsigned long PRUptrdiff; |
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473 #endif |
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474 |
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475 /************************************************************************ |
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476 ** TYPES: PRBool |
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477 ** DESCRIPTION: |
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478 ** Use PRBool for variables and parameter types. Use PR_FALSE and PR_TRUE |
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479 ** for clarity of target type in assignments and actual arguments. Use |
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480 ** 'if (bool)', 'while (!bool)', '(bool) ? x : y' etc., to test booleans |
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481 ** just as you would C int-valued conditions. |
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482 ************************************************************************/ |
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483 typedef PRIntn PRBool; |
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484 #define PR_TRUE 1 |
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485 #define PR_FALSE 0 |
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486 |
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487 /************************************************************************ |
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488 ** TYPES: PRPackedBool |
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489 ** DESCRIPTION: |
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490 ** Use PRPackedBool within structs where bitfields are not desirable |
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491 ** but minimum and consistant overhead matters. |
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492 ************************************************************************/ |
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493 typedef PRUint8 PRPackedBool; |
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494 |
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495 /* |
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496 ** Status code used by some routines that have a single point of failure or |
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497 ** special status return. |
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498 */ |
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499 typedef enum { PR_FAILURE = -1, PR_SUCCESS = 0 } PRStatus; |
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500 |
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501 #ifndef __PRUNICHAR__ |
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502 #define __PRUNICHAR__ |
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503 #ifdef WIN32 |
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504 typedef wchar_t PRUnichar; |
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505 #else |
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506 typedef PRUint16 PRUnichar; |
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507 #endif |
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508 #endif |
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509 |
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510 /* |
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511 ** WARNING: The undocumented data types PRWord and PRUword are |
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512 ** only used in the garbage collection and arena code. Do not |
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513 ** use PRWord and PRUword in new code. |
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514 ** |
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515 ** A PRWord is an integer that is the same size as a void*. |
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516 ** It implements the notion of a "word" in the Java Virtual |
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517 ** Machine. (See Sec. 3.4 "Words", The Java Virtual Machine |
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518 ** Specification, Addison-Wesley, September 1996. |
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519 ** http://java.sun.com/docs/books/vmspec/index.html.) |
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520 */ |
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521 #ifdef _WIN64 |
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522 typedef PRInt64 PRWord; |
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523 typedef PRUint64 PRUword; |
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524 #else |
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525 typedef long PRWord; |
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526 typedef unsigned long PRUword; |
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527 #endif |
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528 |
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529 #if defined(NO_NSPR_10_SUPPORT) |
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530 #else |
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531 /********* ???????????????? FIX ME ??????????????????????????? *****/ |
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532 /********************** Some old definitions until pr=>ds transition is done ***/ |
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533 /********************** Also, we are still using NSPR 1.0. GC ******************/ |
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534 /* |
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535 ** Fundamental NSPR macros, used nearly everywhere. |
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536 */ |
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537 |
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538 #define PR_PUBLIC_API PR_IMPLEMENT |
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539 |
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540 /* |
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541 ** Macro body brackets so that macros with compound statement definitions |
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542 ** behave syntactically more like functions when called. |
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543 */ |
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544 #define NSPR_BEGIN_MACRO do { |
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545 #define NSPR_END_MACRO } while (0) |
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546 |
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547 /* |
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548 ** Macro shorthands for conditional C++ extern block delimiters. |
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549 */ |
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550 #ifdef NSPR_BEGIN_EXTERN_C |
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551 #undef NSPR_BEGIN_EXTERN_C |
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552 #endif |
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553 #ifdef NSPR_END_EXTERN_C |
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554 #undef NSPR_END_EXTERN_C |
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555 #endif |
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556 |
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557 #ifdef __cplusplus |
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558 #define NSPR_BEGIN_EXTERN_C extern "C" { |
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559 #define NSPR_END_EXTERN_C } |
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560 #else |
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561 #define NSPR_BEGIN_EXTERN_C |
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562 #define NSPR_END_EXTERN_C |
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563 #endif |
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564 |
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565 #include "obsolete/protypes.h" |
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566 |
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567 /********* ????????????? End Fix me ?????????????????????????????? *****/ |
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568 #endif /* NO_NSPR_10_SUPPORT */ |
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569 |
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570 /* |
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571 ** Compile-time assert. "condition" must be a constant expression. |
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572 ** The macro can be used only in places where an "extern" declaration is |
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573 ** allowed. |
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574 */ |
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575 #define PR_STATIC_ASSERT(condition) \ |
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576 extern void pr_static_assert(int arg[(condition) ? 1 : -1]) |
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577 |
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578 PR_END_EXTERN_C |
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579 |
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580 #endif /* prtypes_h___ */ |
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581 |