[331] | 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
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| 470 | #define EPFNOSUPPORT WSAEPFNOSUPPORT
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| 471 | #undef EAFNOSUPPORT /* override definition in errno.h */
|
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| 472 | #define EAFNOSUPPORT WSAEAFNOSUPPORT
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| 473 | #undef EADDRINUSE /* override definition in errno.h */
|
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| 474 | #define EADDRINUSE WSAEADDRINUSE
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| 475 | #undef EADDRNOTAVAIL /* override definition in errno.h */
|
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| 476 | #define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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| 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 */
|
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| 480 | #define ENETUNREACH WSAENETUNREACH
|
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| 481 | #undef ENETRESET /* override definition in errno.h */
|
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| 482 | #define ENETRESET WSAENETRESET
|
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| 483 | #undef ECONNABORTED /* override definition in errno.h */
|
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| 484 | #define ECONNABORTED WSAECONNABORTED
|
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| 485 | #undef ECONNRESET /* override definition in errno.h */
|
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| 486 | #define ECONNRESET WSAECONNRESET
|
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| 487 | #undef ENOBUFS /* override definition in errno.h */
|
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| 488 | #define ENOBUFS WSAENOBUFS
|
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| 489 | #undef EISCONN /* override definition in errno.h */
|
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| 490 | #define EISCONN WSAEISCONN
|
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| 491 | #undef ENOTCONN /* override definition in errno.h */
|
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| 492 | #define ENOTCONN WSAENOTCONN
|
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| 493 | #define ESHUTDOWN WSAESHUTDOWN
|
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| 494 | #define ETOOMANYREFS WSAETOOMANYREFS
|
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| 495 | #undef ETIMEDOUT /* override definition in errno.h */
|
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| 496 | #define ETIMEDOUT WSAETIMEDOUT
|
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| 497 | #undef ECONNREFUSED /* override definition in errno.h */
|
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| 498 | #define ECONNREFUSED WSAECONNREFUSED
|
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| 499 | #undef ELOOP /* override definition in errno.h */
|
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| 500 | #define ELOOP WSAELOOP
|
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| 501 | #ifndef ENAMETOOLONG /* possible previous definition in errno.h */
|
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| 502 | #define ENAMETOOLONG WSAENAMETOOLONG
|
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| 503 | #endif
|
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| 504 | #define EHOSTDOWN WSAEHOSTDOWN
|
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| 505 | #undef EHOSTUNREACH /* override definition in errno.h */
|
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| 506 | #define EHOSTUNREACH WSAEHOSTUNREACH
|
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| 507 | #ifndef ENOTEMPTY /* possible previous definition in errno.h */
|
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| 508 | #define ENOTEMPTY WSAENOTEMPTY
|
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| 509 | #endif
|
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| 510 | #define EPROCLIM WSAEPROCLIM
|
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| 511 | #define EUSERS WSAEUSERS
|
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| 512 | #define EDQUOT WSAEDQUOT
|
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| 513 | #define ESTALE WSAESTALE
|
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| 514 | #define EREMOTE WSAEREMOTE
|
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| 515 | #endif
|
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| 516 |
|
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| 517 | /*
|
---|
| 518 | * Macro argv_item_t hides platform details to code using it.
|
---|
| 519 | */
|
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| 520 |
|
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| 521 | #ifdef __VMS
|
---|
| 522 | #define argv_item_t __char_ptr32
|
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| 523 | #else
|
---|
| 524 | #define argv_item_t char *
|
---|
| 525 | #endif
|
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| 526 |
|
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| 527 |
|
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| 528 | /*
|
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| 529 | * We use this ZERO_NULL to avoid picky compiler warnings,
|
---|
| 530 | * when assigning a NULL pointer to a function pointer var.
|
---|
| 531 | */
|
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| 532 |
|
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| 533 | #define ZERO_NULL 0
|
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| 534 |
|
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| 535 |
|
---|
| 536 | #endif /* HEADER_CURL_SETUP_ONCE_H */
|
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| 537 |
|
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