Update networking layer w/ CURL and emscripten impl
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#ifndef HEADER_CURL_SETUP_ONCE_H
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#define HEADER_CURL_SETUP_ONCE_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/*
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* Inclusion of common header files.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <time.h>
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#ifndef UNDER_CE
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#include <errno.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include <sys/stat.h>
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#if !defined(_WIN32) || defined(__MINGW32__)
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#include <sys/time.h>
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#endif
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#ifdef HAVE_IO_H
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#include <io.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)
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#include <stdbool.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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/* Macro to strip 'const' without triggering a compiler warning.
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Use it for APIs that do not or cannot support the const qualifier. */
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#ifdef HAVE_STDINT_H
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# define CURL_UNCONST(p) ((void *)(uintptr_t)(const void *)(p))
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#elif defined(_WIN32) /* for VS2008 */
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# define CURL_UNCONST(p) ((void *)(ULONG_PTR)(const void *)(p))
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#else
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# define CURL_UNCONST(p) ((void *)(p)) /* Fall back to simple cast */
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#endif
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#ifdef USE_SCHANNEL
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/* Must set this before <schannel.h> is included directly or indirectly by
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another Windows header. */
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# define SCHANNEL_USE_BLACKLISTS 1
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#endif
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#ifdef __hpux
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# if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
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# ifdef _APP32_64BIT_OFF_T
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# define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T
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# undef _APP32_64BIT_OFF_T
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# else
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# undef OLD_APP32_64BIT_OFF_T
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# endif
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# endif
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#endif
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#ifndef _WIN32
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#include <sys/socket.h>
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#endif
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#include "functypes.h"
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#ifdef __hpux
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# if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
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# ifdef OLD_APP32_64BIT_OFF_T
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# define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T
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# undef OLD_APP32_64BIT_OFF_T
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# endif
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# endif
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#endif
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/*
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* Definition of timeval struct for platforms that do not have it.
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*/
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#ifndef HAVE_STRUCT_TIMEVAL
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struct timeval {
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long tv_sec;
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long tv_usec;
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};
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#endif
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/*
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* If we have the MSG_NOSIGNAL define, make sure we use
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* it as the fourth argument of function send()
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*/
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#ifdef HAVE_MSG_NOSIGNAL
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#define SEND_4TH_ARG MSG_NOSIGNAL
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#else
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#define SEND_4TH_ARG 0
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#endif
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#ifdef __minix
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/* Minix does not support recv on TCP sockets */
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#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \
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(RECV_TYPE_ARG2)(y), \
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(RECV_TYPE_ARG3)(z))
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#elif defined(HAVE_RECV)
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/*
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* The definitions for the return type and arguments types
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* of functions recv() and send() belong and come from the
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* configuration file. Do not define them in any other place.
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*
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* HAVE_RECV is defined if you have a function named recv()
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* which is used to read incoming data from sockets. If your
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* function has another name then do not define HAVE_RECV.
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*
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* If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,
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* RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also
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* be defined.
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*
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* HAVE_SEND is defined if you have a function named send()
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* which is used to write outgoing data on a connected socket.
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* If yours has another name then do not define HAVE_SEND.
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*
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* If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,
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* SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and
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* SEND_TYPE_RETV must also be defined.
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*/
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#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
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(RECV_TYPE_ARG2)(y), \
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(RECV_TYPE_ARG3)(z), \
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(RECV_TYPE_ARG4)(0))
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#else /* HAVE_RECV */
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#ifndef sread
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#error "Missing definition of macro sread!"
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#endif
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#endif /* HAVE_RECV */
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#ifdef __minix
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/* Minix does not support send on TCP sockets */
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#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
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(SEND_TYPE_ARG2)CURL_UNCONST(y), \
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(SEND_TYPE_ARG3)(z))
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#elif defined(HAVE_SEND)
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#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
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(SEND_QUAL_ARG2 SEND_TYPE_ARG2)CURL_UNCONST(y), \
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(SEND_TYPE_ARG3)(z), \
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(SEND_TYPE_ARG4)(SEND_4TH_ARG))
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#else /* HAVE_SEND */
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#ifndef swrite
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#error "Missing definition of macro swrite!"
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#endif
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#endif /* HAVE_SEND */
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/*
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* Function-like macro definition used to close a socket.
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*/
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#ifdef HAVE_CLOSESOCKET
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# define CURL_SCLOSE(x) closesocket((x))
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#elif defined(HAVE_CLOSESOCKET_CAMEL)
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# define CURL_SCLOSE(x) CloseSocket((x))
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#elif defined(MSDOS) /* Watt-32 */
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# define CURL_SCLOSE(x) close_s((x))
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#elif defined(USE_LWIPSOCK)
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# define CURL_SCLOSE(x) lwip_close((x))
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#else
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# define CURL_SCLOSE(x) close((x))
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#endif
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/*
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* Stack-independent version of fcntl() on sockets:
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*/
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#ifdef USE_LWIPSOCK
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# define sfcntl lwip_fcntl
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#else
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# define sfcntl fcntl
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#endif
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/*
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* 'bool' stuff compatible with HP-UX headers.
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*/
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#if defined(__hpux) && !defined(HAVE_BOOL_T)
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typedef int bool;
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# define false 0
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# define true 1
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# define HAVE_BOOL_T
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#endif
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/*
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* 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.
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* On non-C99 platforms there is no bool, so define an enum for that.
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* On C99 platforms 'false' and 'true' also exist. Enum uses a
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* global namespace though, so use bool_false and bool_true.
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*/
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#ifndef HAVE_BOOL_T
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typedef enum {
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bool_false = 0,
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bool_true = 1
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} bool;
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/*
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* Use a define to let 'true' and 'false' use those enums. There
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* are currently no use of true and false in libcurl proper, but
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* there are some in the examples. This will cater for any later
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* code happening to use true and false.
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*/
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# define false bool_false
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# define true bool_true
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# define HAVE_BOOL_T
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#endif
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/* the type we use for storing a single boolean bit */
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#ifdef _MSC_VER
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typedef bool bit;
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#define BIT(x) bool x
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#else
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typedef unsigned int bit;
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#define BIT(x) bit x:1
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#endif
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/*
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* Redefine TRUE and FALSE too, to catch current use. With this
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* change, 'bool found = 1' will give a warning on MIPSPro, but
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* 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro,
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* AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too.
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*/
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#ifndef TRUE
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#define TRUE true
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#endif
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#ifndef FALSE
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#define FALSE false
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#endif
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#include "curl_ctype.h"
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/*
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* Macro used to include code only in debug builds.
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*/
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#ifdef DEBUGBUILD
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#define DEBUGF(x) x
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#else
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#define DEBUGF(x) do { } while(0)
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#endif
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/*
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* Macro used to include assertion code only in debug builds.
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*/
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#undef DEBUGASSERT
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#ifdef DEBUGBUILD
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#define DEBUGASSERT(x) assert(x)
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#else
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#define DEBUGASSERT(x) do { } while(0)
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#endif
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/*
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* Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
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* (or equivalent) on this platform to hide platform details to code using it.
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*/
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#ifdef USE_WINSOCK
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#define SOCKERRNO ((int)WSAGetLastError())
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#define SET_SOCKERRNO(x) (WSASetLastError((int)(x)))
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#else
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#define SOCKERRNO (errno)
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#define SET_SOCKERRNO(x) (errno = (x))
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#endif
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/*
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* Portable error number symbolic names defined to Winsock error codes.
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*/
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#ifdef USE_WINSOCK
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#define SOCKEACCES WSAEACCES
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#define SOCKEADDRINUSE WSAEADDRINUSE
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#define SOCKEADDRNOTAVAIL WSAEADDRNOTAVAIL
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#define SOCKEAFNOSUPPORT WSAEAFNOSUPPORT
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#define SOCKEBADF WSAEBADF
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#define SOCKECONNREFUSED WSAECONNREFUSED
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#define SOCKECONNRESET WSAECONNRESET
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#define SOCKEINPROGRESS WSAEINPROGRESS
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#define SOCKEINTR WSAEINTR
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#define SOCKEINVAL WSAEINVAL
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#define SOCKEISCONN WSAEISCONN
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#define SOCKEMSGSIZE WSAEMSGSIZE
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#define SOCKENOMEM WSA_NOT_ENOUGH_MEMORY
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#define SOCKETIMEDOUT WSAETIMEDOUT
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#define SOCKEWOULDBLOCK WSAEWOULDBLOCK
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#else
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#define SOCKEACCES EACCES
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#define SOCKEADDRINUSE EADDRINUSE
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#define SOCKEADDRNOTAVAIL EADDRNOTAVAIL
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#define SOCKEAFNOSUPPORT EAFNOSUPPORT
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#define SOCKEBADF EBADF
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#define SOCKECONNREFUSED ECONNREFUSED
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#define SOCKECONNRESET ECONNRESET
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#define SOCKEINPROGRESS EINPROGRESS
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#define SOCKEINTR EINTR
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#define SOCKEINVAL EINVAL
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#define SOCKEISCONN EISCONN
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#define SOCKEMSGSIZE EMSGSIZE
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#define SOCKENOMEM ENOMEM
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#ifdef ETIMEDOUT
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#define SOCKETIMEDOUT ETIMEDOUT
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#endif
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#define SOCKEWOULDBLOCK EWOULDBLOCK
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#endif
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/*
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* Macro argv_item_t hides platform details to code using it.
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*/
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#ifdef __VMS
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#define argv_item_t __char_ptr32
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#elif defined(_UNICODE) && !defined(UNDER_CE)
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#define argv_item_t wchar_t *
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#else
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#define argv_item_t char *
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#endif
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/*
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* We use this ZERO_NULL to avoid picky compiler warnings,
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* when assigning a NULL pointer to a function pointer var.
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*/
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#define ZERO_NULL 0
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#endif /* HEADER_CURL_SETUP_ONCE_H */
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