mirror of
https://github.com/moparisthebest/curl
synced 2024-12-22 16:18:48 -05:00
08c5e2a194
versions of ws2tcpip.h do not have the definition. It seems that when the socklen_t definition is missing from ws2tcpip.h the definition for INET_ADDRSTRLEN is also missing, and that when one definition is present the other one also is available.
485 lines
13 KiB
C
485 lines
13 KiB
C
#ifndef __SETUP_ONCE_H
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#define __SETUP_ONCE_H
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/* $Id$ */
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/* Copyright (C) 2004 - 2007 by Daniel Stenberg et al
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. M.I.T. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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/********************************************************************
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* NOTICE *
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* ======== *
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* *
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* Content of header files lib/setup_once.h and ares/setup_once.h *
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* must be kept in sync. Modify the other one if you change this. *
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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 <ctype.h>
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#include <errno.h>
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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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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#ifdef TIME_WITH_SYS_TIME
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#include <time.h>
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#endif
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#else
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif
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#endif
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#ifdef WIN32
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#include <io.h>
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#include <fcntl.h>
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#endif
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#ifdef HAVE_STDBOOL_H
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#include <stdbool.h>
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#endif
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/*
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* Definition of timeval struct for platforms that don't 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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/*
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* Windows build targets have socklen_t definition in
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* ws2tcpip.h but some versions of ws2tcpip.h do not
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* have the definition. It seems that when the socklen_t
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* definition is missing from ws2tcpip.h the definition
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* for INET_ADDRSTRLEN is also missing, and that when one
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* definition is present the other one also is available.
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*/
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#if defined(WIN32) && !defined(HAVE_SOCKLEN_T)
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# if ( defined(_MSC_VER) && !defined(INET_ADDRSTRLEN) ) || \
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(!defined(_MSC_VER) && !defined(HAVE_WS2TCPIP_H) )
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# define socklen_t int
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# define HAVE_SOCKLEN_T
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# endif
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#endif
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#if defined(__minix)
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/* Minix doesn't 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 don't 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 don't 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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#if !defined(RECV_TYPE_ARG1) || \
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!defined(RECV_TYPE_ARG2) || \
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!defined(RECV_TYPE_ARG3) || \
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!defined(RECV_TYPE_ARG4) || \
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!defined(RECV_TYPE_RETV)
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/* */
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Error Missing_definition_of_return_and_arguments_types_of_recv
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/* */
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#else
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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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#endif
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#else /* HAVE_RECV */
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#ifndef sread
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/* */
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Error Missing_definition_of_macro_sread
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/* */
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#endif
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#endif /* HAVE_RECV */
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#if defined(__minix)
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/* Minix doesn't 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)(y), \
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(SEND_TYPE_ARG3)(z))
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#elif defined(HAVE_SEND)
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#if !defined(SEND_TYPE_ARG1) || \
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!defined(SEND_QUAL_ARG2) || \
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!defined(SEND_TYPE_ARG2) || \
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!defined(SEND_TYPE_ARG3) || \
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!defined(SEND_TYPE_ARG4) || \
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!defined(SEND_TYPE_RETV)
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/* */
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Error Missing_definition_of_return_and_arguments_types_of_send
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/* */
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#else
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#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
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(SEND_TYPE_ARG2)(y), \
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(SEND_TYPE_ARG3)(z), \
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(SEND_TYPE_ARG4)(SEND_4TH_ARG))
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#endif
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#else /* HAVE_SEND */
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#ifndef swrite
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/* */
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Error Missing_definition_of_macro_swrite
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/* */
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#endif
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#endif /* HAVE_SEND */
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/*
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* Uppercase macro versions of ANSI/ISO is*() functions/macros which
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* avoid negative number inputs with argument byte codes > 127.
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*/
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#define ISSPACE(x) (isspace((int) ((unsigned char)x)))
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#define ISDIGIT(x) (isdigit((int) ((unsigned char)x)))
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#define ISALNUM(x) (isalnum((int) ((unsigned char)x)))
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#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
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#define ISGRAPH(x) (isgraph((int) ((unsigned char)x)))
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#define ISALPHA(x) (isalpha((int) ((unsigned char)x)))
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#define ISPRINT(x) (isprint((int) ((unsigned char)x)))
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#define ISUPPER(x) (isupper((int) ((unsigned char)x)))
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#define ISLOWER(x) (islower((int) ((unsigned char)x)))
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#define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \
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(((unsigned char)x) == '\t'))
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/*
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* Typedef to 'unsigned char' if bool is not an available 'typedefed' type.
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*/
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#ifndef HAVE_BOOL_T
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typedef unsigned char bool;
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#define HAVE_BOOL_T
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#endif
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/*
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* Default definition of uppercase TRUE and FALSE.
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*/
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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/*
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* Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
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*/
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#ifndef HAVE_SIG_ATOMIC_T
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typedef int sig_atomic_t;
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#define HAVE_SIG_ATOMIC_T
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#endif
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/*
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* Convenience SIG_ATOMIC_T definition
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*/
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#ifdef HAVE_SIG_ATOMIC_T_VOLATILE
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#define SIG_ATOMIC_T static sig_atomic_t
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#else
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#define SIG_ATOMIC_T static volatile sig_atomic_t
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#endif
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/*
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* Default return type for signal handlers.
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*/
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#ifndef RETSIGTYPE
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#define RETSIGTYPE void
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#endif
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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 CURLDEBUG
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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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#if defined(CURLDEBUG) && defined(HAVE_ASSERT_H)
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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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* Macro ERRNO / SET_ERRNO() returns / sets the NOT *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 WIN32
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#define ERRNO ((int)GetLastError())
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#define SET_ERRNO(x) (SetLastError((DWORD)(x)))
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#else
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#define ERRNO (errno)
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#define SET_ERRNO(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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#undef EBADF /* override definition in errno.h */
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#define EBADF WSAEBADF
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#undef EINTR /* override definition in errno.h */
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#define EINTR WSAEINTR
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#undef EINVAL /* override definition in errno.h */
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#define EINVAL WSAEINVAL
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#define EINPROGRESS WSAEINPROGRESS
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#define EALREADY WSAEALREADY
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#define ENOTSOCK WSAENOTSOCK
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#define EDESTADDRREQ WSAEDESTADDRREQ
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#define EMSGSIZE WSAEMSGSIZE
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#define EPROTOTYPE WSAEPROTOTYPE
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#define ENOPROTOOPT WSAENOPROTOOPT
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#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
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#define EOPNOTSUPP WSAEOPNOTSUPP
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#define EPFNOSUPPORT WSAEPFNOSUPPORT
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define EADDRINUSE WSAEADDRINUSE
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#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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#define ENETDOWN WSAENETDOWN
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#define ENETUNREACH WSAENETUNREACH
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#define ENETRESET WSAENETRESET
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#define ECONNABORTED WSAECONNABORTED
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#define ECONNRESET WSAECONNRESET
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#define ENOBUFS WSAENOBUFS
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#define EISCONN WSAEISCONN
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#define ENOTCONN WSAENOTCONN
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#define ESHUTDOWN WSAESHUTDOWN
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#define ETOOMANYREFS WSAETOOMANYREFS
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#define ETIMEDOUT WSAETIMEDOUT
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#define ECONNREFUSED WSAECONNREFUSED
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#define ELOOP WSAELOOP
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#ifndef ENAMETOOLONG /* possible previous definition in errno.h */
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#define ENAMETOOLONG WSAENAMETOOLONG
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#endif
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#define EHOSTDOWN WSAEHOSTDOWN
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#define EHOSTUNREACH WSAEHOSTUNREACH
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#ifndef ENOTEMPTY /* possible previous definition in errno.h */
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#define ENOTEMPTY WSAENOTEMPTY
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#endif
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#define EPROCLIM WSAEPROCLIM
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#define EUSERS WSAEUSERS
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#define EDQUOT WSAEDQUOT
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#define ESTALE WSAESTALE
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#define EREMOTE WSAEREMOTE
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#endif
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/*
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* Actually use __32_getpwuid() on 64-bit VMS builds for getpwuid()
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*/
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#if defined(VMS) && \
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defined(__INITIAL_POINTER_SIZE) && (__INITIAL_POINTER_SIZE == 64)
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#define getpwuid __32_getpwuid
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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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#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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#if defined (__LP64__) && defined(__hpux) && !defined(_XOPEN_SOURCE_EXTENDED)
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#include <sys/socket.h>
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/* HP-UX has this oddity where it features a few functions that don't work
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with socklen_t so we need to convert to ints
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This is due to socklen_t being a 64bit int under 64bit ABI, but the
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pre-xopen (default) interfaces require an int, which is 32bits.
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Therefore, Anytime socklen_t is passed by pointer, the libc function
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truncates the 64bit socklen_t value by treating it as a 32bit value.
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Note that some socket calls are allowed to have a NULL pointer for
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the socklen arg.
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*/
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inline static int Curl_hp_getsockname(int s, struct sockaddr *name,
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socklen_t *namelen)
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{
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int rc;
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if(namelen) {
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int len = *namelen;
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rc = getsockname(s, name, &len);
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*namelen = len;
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}
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else
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rc = getsockname(s, name, 0);
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return rc;
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}
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inline static int Curl_hp_getsockopt(int s, int level, int optname,
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void *optval, socklen_t *optlen)
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{
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int rc;
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if(optlen) {
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int len = *optlen;
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rc = getsockopt(s, level, optname, optval, &len);
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*optlen = len;
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}
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else
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rc = getsockopt(s, level, optname, optval, 0);
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return rc;
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}
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inline static int Curl_hp_accept(int sockfd, struct sockaddr *addr,
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socklen_t *addrlen)
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{
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int rc;
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if(addrlen) {
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int len = *addrlen;
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rc = accept(sockfd, addr, &len);
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*addrlen = len;
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}
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else
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rc = accept(sockfd, addr, 0);
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return rc;
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}
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inline static ssize_t Curl_hp_recvfrom(int s, void *buf, size_t len, int flags,
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struct sockaddr *from,
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socklen_t *fromlen)
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{
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ssize_t rc;
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if(fromlen) {
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int fromlen32 = *fromlen;
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rc = recvfrom(s, buf, len, flags, from, &fromlen32);
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*fromlen = fromlen32;
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}
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else {
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rc = recvfrom(s, buf, len, flags, from, 0);
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}
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return rc;
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}
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#define getsockname(a,b,c) Curl_hp_getsockname((a),(b),(c))
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#define getsockopt(a,b,c,d,e) Curl_hp_getsockopt((a),(b),(c),(d),(e))
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#define accept(a,b,c) Curl_hp_accept((a),(b),(c))
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#define recvfrom(a,b,c,d,e,f) Curl_hp_recvfrom((a),(b),(c),(d),(e),(f))
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#endif /* HPUX work-around */
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#endif /* __SETUP_ONCE_H */
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