1 | #ifndef HEADER_CURL_SETUP_ONCE_H
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2 | #define HEADER_CURL_SETUP_ONCE_H
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3 | /***************************************************************************
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4 | * _ _ ____ _
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5 | * Project ___| | | | _ \| |
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6 | * / __| | | | |_) | |
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7 | * | (__| |_| | _ <| |___
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8 | * \___|\___/|_| \_\_____|
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9 | *
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10 | * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
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11 | *
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12 | * This software is licensed as described in the file COPYING, which
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13 | * you should have received as part of this distribution. The terms
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14 | * are also available at https://curl.haxx.se/docs/copyright.html.
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15 | *
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16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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17 | * copies of the Software, and permit persons to whom the Software is
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18 | * furnished to do so, under the terms of the COPYING file.
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19 | *
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20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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21 | * KIND, either express or implied.
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22 | *
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23 | ***************************************************************************/
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24 |
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25 |
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26 | /*
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27 | * Inclusion of common header files.
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28 | */
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29 |
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30 | #include <stdio.h>
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31 | #include <stdlib.h>
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32 | #include <string.h>
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33 | #include <stdarg.h>
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34 | #include <ctype.h>
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35 |
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36 | #ifdef HAVE_ERRNO_H
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37 | #include <errno.h>
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38 | #endif
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39 |
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40 | #ifdef HAVE_SYS_TYPES_H
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41 | #include <sys/types.h>
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42 | #endif
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43 |
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44 | #ifdef NEED_MALLOC_H
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45 | #include <malloc.h>
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46 | #endif
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47 |
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48 | #ifdef NEED_MEMORY_H
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49 | #include <memory.h>
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50 | #endif
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51 |
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52 | #ifdef HAVE_SYS_STAT_H
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53 | #include <sys/stat.h>
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54 | #endif
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55 |
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56 | #ifdef HAVE_SYS_TIME_H
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57 | #include <sys/time.h>
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58 | #ifdef TIME_WITH_SYS_TIME
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59 | #include <time.h>
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60 | #endif
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61 | #else
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62 | #ifdef HAVE_TIME_H
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63 | #include <time.h>
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64 | #endif
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65 | #endif
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66 |
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67 | #ifdef WIN32
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68 | #include <io.h>
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69 | #include <fcntl.h>
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70 | #endif
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71 |
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72 | #if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)
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73 | #include <stdbool.h>
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74 | #endif
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75 |
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76 | #ifdef HAVE_UNISTD_H
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77 | #include <unistd.h>
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78 | #endif
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79 |
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80 | #ifdef __hpux
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81 | # if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
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82 | # ifdef _APP32_64BIT_OFF_T
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83 | # define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T
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84 | # undef _APP32_64BIT_OFF_T
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85 | # else
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86 | # undef OLD_APP32_64BIT_OFF_T
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87 | # endif
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88 | # endif
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89 | #endif
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90 |
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91 | #ifdef HAVE_SYS_SOCKET_H
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92 | #include <sys/socket.h>
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93 | #endif
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94 |
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95 | #ifdef __hpux
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96 | # if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
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97 | # ifdef OLD_APP32_64BIT_OFF_T
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98 | # define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T
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99 | # undef OLD_APP32_64BIT_OFF_T
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100 | # endif
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101 | # endif
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102 | #endif
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103 |
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104 |
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105 | /*
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106 | * Definition of timeval struct for platforms that don't have it.
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107 | */
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108 |
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109 | #ifndef HAVE_STRUCT_TIMEVAL
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110 | struct timeval {
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111 | long tv_sec;
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112 | long tv_usec;
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113 | };
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114 | #endif
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115 |
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116 |
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117 | /*
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118 | * If we have the MSG_NOSIGNAL define, make sure we use
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119 | * it as the fourth argument of function send()
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120 | */
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121 |
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122 | #ifdef HAVE_MSG_NOSIGNAL
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123 | #define SEND_4TH_ARG MSG_NOSIGNAL
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124 | #else
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125 | #define SEND_4TH_ARG 0
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126 | #endif
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127 |
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128 |
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129 | #if defined(__minix)
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130 | /* Minix doesn't support recv on TCP sockets */
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131 | #define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \
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132 | (RECV_TYPE_ARG2)(y), \
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133 | (RECV_TYPE_ARG3)(z))
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134 |
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135 | #elif defined(HAVE_RECV)
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136 | /*
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137 | * The definitions for the return type and arguments types
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138 | * of functions recv() and send() belong and come from the
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139 | * configuration file. Do not define them in any other place.
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140 | *
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141 | * HAVE_RECV is defined if you have a function named recv()
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142 | * which is used to read incoming data from sockets. If your
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143 | * function has another name then don't define HAVE_RECV.
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144 | *
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145 | * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,
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146 | * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also
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147 | * be defined.
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148 | *
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149 | * HAVE_SEND is defined if you have a function named send()
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150 | * which is used to write outgoing data on a connected socket.
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151 | * If yours has another name then don't define HAVE_SEND.
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152 | *
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153 | * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,
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154 | * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and
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155 | * SEND_TYPE_RETV must also be defined.
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156 | */
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157 |
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158 | #if !defined(RECV_TYPE_ARG1) || \
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159 | !defined(RECV_TYPE_ARG2) || \
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160 | !defined(RECV_TYPE_ARG3) || \
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161 | !defined(RECV_TYPE_ARG4) || \
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162 | !defined(RECV_TYPE_RETV)
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163 | /* */
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164 | Error Missing_definition_of_return_and_arguments_types_of_recv
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165 | /* */
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166 | #else
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167 | #define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
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168 | (RECV_TYPE_ARG2)(y), \
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169 | (RECV_TYPE_ARG3)(z), \
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170 | (RECV_TYPE_ARG4)(0))
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171 | #endif
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172 | #else /* HAVE_RECV */
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173 | #ifndef sread
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174 | /* */
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175 | Error Missing_definition_of_macro_sread
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176 | /* */
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177 | #endif
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178 | #endif /* HAVE_RECV */
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179 |
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180 |
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181 | #if defined(__minix)
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182 | /* Minix doesn't support send on TCP sockets */
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183 | #define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
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184 | (SEND_TYPE_ARG2)(y), \
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185 | (SEND_TYPE_ARG3)(z))
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186 |
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187 | #elif defined(HAVE_SEND)
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188 | #if !defined(SEND_TYPE_ARG1) || \
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189 | !defined(SEND_QUAL_ARG2) || \
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190 | !defined(SEND_TYPE_ARG2) || \
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191 | !defined(SEND_TYPE_ARG3) || \
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192 | !defined(SEND_TYPE_ARG4) || \
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193 | !defined(SEND_TYPE_RETV)
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194 | /* */
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195 | Error Missing_definition_of_return_and_arguments_types_of_send
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196 | /* */
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197 | #else
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198 | #define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
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199 | (SEND_QUAL_ARG2 SEND_TYPE_ARG2)(y), \
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200 | (SEND_TYPE_ARG3)(z), \
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201 | (SEND_TYPE_ARG4)(SEND_4TH_ARG))
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202 | #endif
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203 | #else /* HAVE_SEND */
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204 | #ifndef swrite
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205 | /* */
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206 | Error Missing_definition_of_macro_swrite
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207 | /* */
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208 | #endif
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209 | #endif /* HAVE_SEND */
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210 |
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211 |
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212 | #if 0
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213 | #if defined(HAVE_RECVFROM)
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214 | /*
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215 | * Currently recvfrom is only used on udp sockets.
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216 | */
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217 | #if !defined(RECVFROM_TYPE_ARG1) || \
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218 | !defined(RECVFROM_TYPE_ARG2) || \
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219 | !defined(RECVFROM_TYPE_ARG3) || \
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220 | !defined(RECVFROM_TYPE_ARG4) || \
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221 | !defined(RECVFROM_TYPE_ARG5) || \
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222 | !defined(RECVFROM_TYPE_ARG6) || \
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223 | !defined(RECVFROM_TYPE_RETV)
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224 | /* */
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225 | Error Missing_definition_of_return_and_arguments_types_of_recvfrom
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226 | /* */
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227 | #else
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228 | #define sreadfrom(s,b,bl,f,fl) (ssize_t)recvfrom((RECVFROM_TYPE_ARG1) (s), \
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229 | (RECVFROM_TYPE_ARG2 *)(b), \
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230 | (RECVFROM_TYPE_ARG3) (bl), \
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231 | (RECVFROM_TYPE_ARG4) (0), \
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232 | (RECVFROM_TYPE_ARG5 *)(f), \
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233 | (RECVFROM_TYPE_ARG6 *)(fl))
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234 | #endif
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235 | #else /* HAVE_RECVFROM */
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236 | #ifndef sreadfrom
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237 | /* */
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238 | Error Missing_definition_of_macro_sreadfrom
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239 | /* */
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240 | #endif
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241 | #endif /* HAVE_RECVFROM */
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242 |
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243 |
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244 | #ifdef RECVFROM_TYPE_ARG6_IS_VOID
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245 | # define RECVFROM_ARG6_T int
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246 | #else
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247 | # define RECVFROM_ARG6_T RECVFROM_TYPE_ARG6
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248 | #endif
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249 | #endif /* if 0 */
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250 |
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251 |
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252 | /*
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253 | * Function-like macro definition used to close a socket.
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254 | */
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255 |
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256 | #if defined(HAVE_CLOSESOCKET)
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257 | # define sclose(x) closesocket((x))
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258 | #elif defined(HAVE_CLOSESOCKET_CAMEL)
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259 | # define sclose(x) CloseSocket((x))
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260 | #elif defined(HAVE_CLOSE_S)
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261 | # define sclose(x) close_s((x))
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262 | #elif defined(USE_LWIPSOCK)
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263 | # define sclose(x) lwip_close((x))
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264 | #else
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265 | # define sclose(x) close((x))
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266 | #endif
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267 |
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268 | /*
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269 | * Stack-independent version of fcntl() on sockets:
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270 | */
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271 | #if defined(USE_LWIPSOCK)
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272 | # define sfcntl lwip_fcntl
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273 | #else
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274 | # define sfcntl fcntl
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275 | #endif
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276 |
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277 | /*
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278 | * Uppercase macro versions of ANSI/ISO is*() functions/macros which
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279 | * avoid negative number inputs with argument byte codes > 127.
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280 | */
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281 |
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282 | #define ISSPACE(x) (isspace((int) ((unsigned char)x)))
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283 | #define ISDIGIT(x) (isdigit((int) ((unsigned char)x)))
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284 | #define ISALNUM(x) (isalnum((int) ((unsigned char)x)))
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285 | #define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
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286 | #define ISGRAPH(x) (isgraph((int) ((unsigned char)x)))
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287 | #define ISALPHA(x) (isalpha((int) ((unsigned char)x)))
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288 | #define ISPRINT(x) (isprint((int) ((unsigned char)x)))
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289 | #define ISUPPER(x) (isupper((int) ((unsigned char)x)))
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290 | #define ISLOWER(x) (islower((int) ((unsigned char)x)))
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291 | #define ISASCII(x) (isascii((int) ((unsigned char)x)))
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292 |
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293 | #define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \
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294 | (((unsigned char)x) == '\t'))
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295 |
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296 | #define TOLOWER(x) (tolower((int) ((unsigned char)x)))
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297 |
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298 |
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299 | /*
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300 | * 'bool' stuff compatible with HP-UX headers.
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301 | */
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302 |
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303 | #if defined(__hpux) && !defined(HAVE_BOOL_T)
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304 | typedef int bool;
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305 | # define false 0
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306 | # define true 1
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307 | # define HAVE_BOOL_T
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308 | #endif
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309 |
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310 |
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311 | /*
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312 | * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.
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313 | * On non-C99 platforms there's no bool, so define an enum for that.
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314 | * On C99 platforms 'false' and 'true' also exist. Enum uses a
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315 | * global namespace though, so use bool_false and bool_true.
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316 | */
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317 |
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318 | #ifndef HAVE_BOOL_T
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319 | typedef enum {
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320 | bool_false = 0,
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321 | bool_true = 1
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322 | } bool;
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323 |
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324 | /*
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325 | * Use a define to let 'true' and 'false' use those enums. There
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326 | * are currently no use of true and false in libcurl proper, but
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327 | * there are some in the examples. This will cater for any later
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328 | * code happening to use true and false.
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329 | */
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330 | # define false bool_false
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331 | # define true bool_true
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332 | # define HAVE_BOOL_T
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333 | #endif
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334 |
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335 |
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336 | /*
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337 | * Redefine TRUE and FALSE too, to catch current use. With this
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338 | * change, 'bool found = 1' will give a warning on MIPSPro, but
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339 | * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro,
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340 | * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too.
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341 | */
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342 |
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343 | #ifndef TRUE
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344 | #define TRUE true
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345 | #endif
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346 | #ifndef FALSE
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347 | #define FALSE false
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348 | #endif
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349 |
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350 |
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351 | /*
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352 | * Macro WHILE_FALSE may be used to build single-iteration do-while loops,
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353 | * avoiding compiler warnings. Mostly intended for other macro definitions.
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354 | */
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355 |
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356 | #define WHILE_FALSE while(0)
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357 |
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358 | #if defined(_MSC_VER) && !defined(__POCC__)
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359 | # undef WHILE_FALSE
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360 | # if (_MSC_VER < 1500)
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361 | # define WHILE_FALSE while(1, 0)
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362 | # else
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363 | # define WHILE_FALSE \
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364 | __pragma(warning(push)) \
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365 | __pragma(warning(disable:4127)) \
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366 | while(0) \
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367 | __pragma(warning(pop))
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368 | # endif
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369 | #endif
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370 |
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371 |
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372 | /*
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373 | * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
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374 | */
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375 |
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376 | #ifndef HAVE_SIG_ATOMIC_T
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377 | typedef int sig_atomic_t;
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378 | #define HAVE_SIG_ATOMIC_T
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379 | #endif
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380 |
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381 |
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382 | /*
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383 | * Convenience SIG_ATOMIC_T definition
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384 | */
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385 |
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386 | #ifdef HAVE_SIG_ATOMIC_T_VOLATILE
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387 | #define SIG_ATOMIC_T static sig_atomic_t
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388 | #else
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389 | #define SIG_ATOMIC_T static volatile sig_atomic_t
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390 | #endif
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391 |
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392 |
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393 | /*
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394 | * Default return type for signal handlers.
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395 | */
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396 |
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397 | #ifndef RETSIGTYPE
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398 | #define RETSIGTYPE void
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399 | #endif
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400 |
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401 |
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402 | /*
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403 | * Macro used to include code only in debug builds.
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404 | */
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405 |
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406 | #ifdef DEBUGBUILD
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407 | #define DEBUGF(x) x
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408 | #else
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409 | #define DEBUGF(x) do { } WHILE_FALSE
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410 | #endif
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411 |
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412 |
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413 | /*
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414 | * Macro used to include assertion code only in debug builds.
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415 | */
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416 |
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417 | #if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H)
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418 | #define DEBUGASSERT(x) assert(x)
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419 | #else
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420 | #define DEBUGASSERT(x) do { } WHILE_FALSE
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421 | #endif
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422 |
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423 |
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424 | /*
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425 | * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
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426 | * (or equivalent) on this platform to hide platform details to code using it.
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427 | */
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428 |
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429 | #ifdef USE_WINSOCK
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430 | #define SOCKERRNO ((int)WSAGetLastError())
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431 | #define SET_SOCKERRNO(x) (WSASetLastError((int)(x)))
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432 | #else
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433 | #define SOCKERRNO (errno)
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434 | #define SET_SOCKERRNO(x) (errno = (x))
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435 | #endif
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436 |
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437 |
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438 | /*
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439 | * Portable error number symbolic names defined to Winsock error codes.
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440 | */
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441 |
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442 | #ifdef USE_WINSOCK
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443 | #undef EBADF /* override definition in errno.h */
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444 | #define EBADF WSAEBADF
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445 | #undef EINTR /* override definition in errno.h */
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446 | #define EINTR WSAEINTR
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447 | #undef EINVAL /* override definition in errno.h */
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448 | #define EINVAL WSAEINVAL
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449 | #undef EWOULDBLOCK /* override definition in errno.h */
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450 | #define EWOULDBLOCK WSAEWOULDBLOCK
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451 | #undef EINPROGRESS /* override definition in errno.h */
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452 | #define EINPROGRESS WSAEINPROGRESS
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453 | #undef EALREADY /* override definition in errno.h */
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454 | #define EALREADY WSAEALREADY
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455 | #undef ENOTSOCK /* override definition in errno.h */
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456 | #define ENOTSOCK WSAENOTSOCK
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457 | #undef EDESTADDRREQ /* override definition in errno.h */
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458 | #define EDESTADDRREQ WSAEDESTADDRREQ
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459 | #undef EMSGSIZE /* override definition in errno.h */
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460 | #define EMSGSIZE WSAEMSGSIZE
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461 | #undef EPROTOTYPE /* override definition in errno.h */
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462 | #define EPROTOTYPE WSAEPROTOTYPE
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463 | #undef ENOPROTOOPT /* override definition in errno.h */
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464 | #define ENOPROTOOPT WSAENOPROTOOPT
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465 | #undef EPROTONOSUPPORT /* override definition in errno.h */
|
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466 | #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
|
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467 | #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
|
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468 | #undef EOPNOTSUPP /* override definition in errno.h */
|
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469 | #define EOPNOTSUPP WSAEOPNOTSUPP
|
---|
470 | #define EPFNOSUPPORT WSAEPFNOSUPPORT
|
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471 | #undef EAFNOSUPPORT /* override definition in errno.h */
|
---|
472 | #define EAFNOSUPPORT WSAEAFNOSUPPORT
|
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473 | #undef EADDRINUSE /* override definition in errno.h */
|
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474 | #define EADDRINUSE WSAEADDRINUSE
|
---|
475 | #undef EADDRNOTAVAIL /* override definition in errno.h */
|
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476 | #define EADDRNOTAVAIL WSAEADDRNOTAVAIL
|
---|
477 | #undef ENETDOWN /* override definition in errno.h */
|
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478 | #define ENETDOWN WSAENETDOWN
|
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479 | #undef ENETUNREACH /* override definition in errno.h */
|
---|
480 | #define ENETUNREACH WSAENETUNREACH
|
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481 | #undef ENETRESET /* override definition in errno.h */
|
---|
482 | #define ENETRESET WSAENETRESET
|
---|
483 | #undef ECONNABORTED /* override definition in errno.h */
|
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484 | #define ECONNABORTED WSAECONNABORTED
|
---|
485 | #undef ECONNRESET /* override definition in errno.h */
|
---|
486 | #define ECONNRESET WSAECONNRESET
|
---|
487 | #undef ENOBUFS /* override definition in errno.h */
|
---|
488 | #define ENOBUFS WSAENOBUFS
|
---|
489 | #undef EISCONN /* override definition in errno.h */
|
---|
490 | #define EISCONN WSAEISCONN
|
---|
491 | #undef ENOTCONN /* override definition in errno.h */
|
---|
492 | #define ENOTCONN WSAENOTCONN
|
---|
493 | #define ESHUTDOWN WSAESHUTDOWN
|
---|
494 | #define ETOOMANYREFS WSAETOOMANYREFS
|
---|
495 | #undef ETIMEDOUT /* override definition in errno.h */
|
---|
496 | #define ETIMEDOUT WSAETIMEDOUT
|
---|
497 | #undef ECONNREFUSED /* override definition in errno.h */
|
---|
498 | #define ECONNREFUSED WSAECONNREFUSED
|
---|
499 | #undef ELOOP /* override definition in errno.h */
|
---|
500 | #define ELOOP WSAELOOP
|
---|
501 | #ifndef ENAMETOOLONG /* possible previous definition in errno.h */
|
---|
502 | #define ENAMETOOLONG WSAENAMETOOLONG
|
---|
503 | #endif
|
---|
504 | #define EHOSTDOWN WSAEHOSTDOWN
|
---|
505 | #undef EHOSTUNREACH /* override definition in errno.h */
|
---|
506 | #define EHOSTUNREACH WSAEHOSTUNREACH
|
---|
507 | #ifndef ENOTEMPTY /* possible previous definition in errno.h */
|
---|
508 | #define ENOTEMPTY WSAENOTEMPTY
|
---|
509 | #endif
|
---|
510 | #define EPROCLIM WSAEPROCLIM
|
---|
511 | #define EUSERS WSAEUSERS
|
---|
512 | #define EDQUOT WSAEDQUOT
|
---|
513 | #define ESTALE WSAESTALE
|
---|
514 | #define EREMOTE WSAEREMOTE
|
---|
515 | #endif
|
---|
516 |
|
---|
517 | /*
|
---|
518 | * Macro argv_item_t hides platform details to code using it.
|
---|
519 | */
|
---|
520 |
|
---|
521 | #ifdef __VMS
|
---|
522 | #define argv_item_t __char_ptr32
|
---|
523 | #else
|
---|
524 | #define argv_item_t char *
|
---|
525 | #endif
|
---|
526 |
|
---|
527 |
|
---|
528 | /*
|
---|
529 | * We use this ZERO_NULL to avoid picky compiler warnings,
|
---|
530 | * when assigning a NULL pointer to a function pointer var.
|
---|
531 | */
|
---|
532 |
|
---|
533 | #define ZERO_NULL 0
|
---|
534 |
|
---|
535 |
|
---|
536 | #endif /* HEADER_CURL_SETUP_ONCE_H */
|
---|
537 |
|
---|