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641 lines
18 KiB
641 lines
18 KiB
/* =========================================================================
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czmq_prelude.h - CZMQ environment
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Copyright (c) the Contributors as noted in the AUTHORS file.
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This file is part of CZMQ, the high-level C binding for 0MQ:
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http://czmq.zeromq.org.
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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=========================================================================
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*/
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#ifndef __CZMQ_PRELUDE_H_INCLUDED__
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#define __CZMQ_PRELUDE_H_INCLUDED__
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//- Establish the compiler and computer system ------------------------------
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/*
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* Defines zero or more of these symbols, for use in any non-portable
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* code:
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*
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* __WINDOWS__ Microsoft C/C++ with Windows calls
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* __MSDOS__ System is MS-DOS (set if __WINDOWS__ set)
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* __VMS__ System is VAX/VMS or Alpha/OpenVMS
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* __UNIX__ System is UNIX
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* __OS2__ System is OS/2
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*
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* __IS_32BIT__ OS/compiler is 32 bits
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* __IS_64BIT__ OS/compiler is 64 bits
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*
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* When __UNIX__ is defined, we also define exactly one of these:
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*
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* __UTYPE_AUX Apple AUX
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* __UTYPE_BEOS BeOS
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* __UTYPE_BSDOS BSD/OS
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* __UTYPE_DECALPHA Digital UNIX (Alpha)
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* __UTYPE_IBMAIX IBM RS/6000 AIX
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* __UTYPE_FREEBSD FreeBSD
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* __UTYPE_HPUX HP/UX
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* __UTYPE_ANDROID Android
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* __UTYPE_LINUX Linux
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* __UTYPE_GNU GNU/Hurd
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* __UTYPE_MIPS MIPS (BSD 4.3/System V mixture)
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* __UTYPE_NETBSD NetBSD
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* __UTYPE_NEXT NeXT
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* __UTYPE_OPENBSD OpenBSD
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* __UTYPE_OSX Apple Macintosh OS X
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* __UTYPE_IOS Apple iOS
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* __UTYPE_QNX QNX
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* __UTYPE_IRIX Silicon Graphics IRIX
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* __UTYPE_SINIX SINIX-N (Siemens-Nixdorf Unix)
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* __UTYPE_SUNOS SunOS
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* __UTYPE_SUNSOLARIS Sun Solaris
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* __UTYPE_UNIXWARE SCO UnixWare
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* ... these are the ones I know about so far.
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* __UTYPE_GENERIC Any other UNIX
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*
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* When __VMS__ is defined, we may define one or more of these:
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*
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* __VMS_XOPEN Supports XOPEN functions
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*/
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#if (defined (__64BIT__) || defined (__x86_64__))
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# define __IS_64BIT__ // May have 64-bit OS/compiler
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#else
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# define __IS_32BIT__ // Else assume 32-bit OS/compiler
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#endif
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#if (defined WIN32 || defined _WIN32)
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# undef __WINDOWS__
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# define __WINDOWS__
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# undef __MSDOS__
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# define __MSDOS__
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#endif
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#if (defined WINDOWS || defined _WINDOWS || defined __WINDOWS__)
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# undef __WINDOWS__
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# define __WINDOWS__
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# undef __MSDOS__
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# define __MSDOS__
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// Stop cheeky warnings about "deprecated" functions like fopen
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# if _MSC_VER >= 1500
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# undef _CRT_SECURE_NO_DEPRECATE
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# define _CRT_SECURE_NO_DEPRECATE
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# pragma warning(disable: 4996)
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# endif
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#endif
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// MSDOS Microsoft C
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// _MSC_VER Microsoft C
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#if (defined (MSDOS) || defined (_MSC_VER))
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# undef __MSDOS__
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# define __MSDOS__
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# if (defined (_DEBUG) && !defined (DEBUG))
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# define DEBUG
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# endif
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#endif
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#if (defined (__EMX__) && defined (__i386__))
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# undef __OS2__
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# define __OS2__
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#endif
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// VMS VAX C (VAX/VMS)
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// __VMS Dec C (Alpha/OpenVMS)
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// __vax__ gcc
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#if (defined (VMS) || defined (__VMS) || defined (__vax__))
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# undef __VMS__
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# define __VMS__
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# if (__VMS_VER >= 70000000)
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# define __VMS_XOPEN
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# endif
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#endif
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// Try to define a __UTYPE_xxx symbol...
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// unix SunOS at least
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// __unix__ gcc
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// _POSIX_SOURCE is various UNIX systems, maybe also VAX/VMS
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#if (defined (unix) || defined (__unix__) || defined (_POSIX_SOURCE))
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# if (!defined (__VMS__))
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# undef __UNIX__
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# define __UNIX__
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# if (defined (__alpha)) // Digital UNIX is 64-bit
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# undef __IS_32BIT__
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# define __IS_64BIT__
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# define __UTYPE_DECALPHA
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# endif
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# endif
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#endif
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#if (defined (_AUX))
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# define __UTYPE_AUX
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# define __UNIX__
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#elif (defined (__BEOS__))
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# define __UTYPE_BEOS
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# define __UNIX__
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#elif (defined (__hpux))
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# define __UTYPE_HPUX
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# define __UNIX__
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# define _INCLUDE_HPUX_SOURCE
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# define _INCLUDE_XOPEN_SOURCE
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# define _INCLUDE_POSIX_SOURCE
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#elif (defined (_AIX) || defined (AIX))
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# define __UTYPE_IBMAIX
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# define __UNIX__
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#elif (defined (BSD) || defined (bsd))
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# define __UTYPE_BSDOS
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# define __UNIX__
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#elif (defined (__ANDROID__))
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# define __UTYPE_ANDROID
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# define __UNIX__
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#elif (defined (LINUX) || defined (linux) || defined (__linux__))
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# define __UTYPE_LINUX
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# define __UNIX__
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# ifndef __NO_CTYPE
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# define __NO_CTYPE // Suppress warnings on tolower()
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# endif
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# ifndef _DEFAULT_SOURCE
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# define _DEFAULT_SOURCE // Include stuff from 4.3 BSD Unix
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# endif
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#elif (defined (__GNU__))
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# define __UTYPE_GNU
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# define __UNIX__
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#elif (defined (Mips))
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# define __UTYPE_MIPS
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# define __UNIX__
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#elif (defined (FreeBSD) || defined (__FreeBSD__))
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# define __UTYPE_FREEBSD
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# define __UNIX__
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#elif (defined (NetBSD) || defined (__NetBSD__))
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# define __UTYPE_NETBSD
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# define __UNIX__
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#elif (defined (OpenBSD) || defined (__OpenBSD__))
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# define __UTYPE_OPENBSD
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# define __UNIX__
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#elif (defined (APPLE) || defined (__APPLE__))
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# include <TargetConditionals.h>
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# define __UNIX__
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# if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
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# define __UTYPE_IOS
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# else
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# define __UTYPE_OSX
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# endif
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#elif (defined (NeXT))
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# define __UTYPE_NEXT
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# define __UNIX__
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#elif (defined (__QNX__))
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# define __UTYPE_QNX
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# define __UNIX__
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#elif (defined (sgi))
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# define __UTYPE_IRIX
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# define __UNIX__
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#elif (defined (sinix))
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# define __UTYPE_SINIX
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# define __UNIX__
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#elif (defined (SOLARIS) || defined (__SRV4))
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# define __UTYPE_SUNSOLARIS
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# define __UNIX__
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#elif (defined (SUNOS) || defined (SUN) || defined (sun))
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# define __UTYPE_SUNOS
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# define __UNIX__
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#elif (defined (__USLC__) || defined (UnixWare))
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# define __UTYPE_UNIXWARE
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# define __UNIX__
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#elif (defined (__CYGWIN__))
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# define __UTYPE_CYGWIN
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# define __UNIX__
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#elif (defined (__UNIX__))
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# define __UTYPE_GENERIC
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#endif
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//- Always include ZeroMQ headers -------------------------------------------
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#include "zmq.h"
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#if (ZMQ_VERSION < ZMQ_MAKE_VERSION (4, 2, 0))
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# include "zmq_utils.h"
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#endif
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//- Standard ANSI include files ---------------------------------------------
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#include <ctype.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <float.h>
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#include <math.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <assert.h>
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//- System-specific include files -------------------------------------------
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#if (defined (__MSDOS__))
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# if (defined (__WINDOWS__))
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# if (_WIN32_WINNT < 0x0501)
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# undef _WIN32_WINNT
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# define _WIN32_WINNT 0x0501
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# endif
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# if (!defined (FD_SETSIZE))
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# define FD_SETSIZE 1024 // Max. filehandles/sockets
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# endif
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# include <direct.h>
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# include <winsock2.h>
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# include <windows.h>
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# include <process.h>
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# include <ws2tcpip.h> // For getnameinfo ()
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# include <iphlpapi.h> // For GetAdaptersAddresses ()
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# endif
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# include <malloc.h>
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# include <dos.h>
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# include <io.h>
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# include <fcntl.h>
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <sys/utime.h>
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# include <share.h>
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#endif
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#if (defined (__UNIX__))
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# include <fcntl.h>
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# include <netdb.h>
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# include <unistd.h>
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# include <pthread.h>
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# include <dirent.h>
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# include <pwd.h>
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# include <grp.h>
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# include <utime.h>
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# include <inttypes.h>
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# include <syslog.h>
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# include <sys/types.h>
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# include <sys/param.h>
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# include <sys/socket.h>
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# include <sys/time.h>
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# include <sys/stat.h>
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# include <sys/ioctl.h>
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# include <sys/file.h>
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# include <sys/wait.h>
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# include <sys/un.h>
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# include <sys/uio.h> // Let CZMQ build with libzmq/3.x
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# include <netinet/in.h> // Must come before arpa/inet.h
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# if (!defined (__UTYPE_ANDROID)) && (!defined (__UTYPE_IBMAIX)) \
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&& (!defined (__UTYPE_HPUX))
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# include <ifaddrs.h>
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# endif
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# if defined (__UTYPE_SUNSOLARIS) || defined (__UTYPE_SUNOS)
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# include <sys/sockio.h>
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# endif
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# if (!defined (__UTYPE_BEOS))
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# include <arpa/inet.h>
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# if (!defined (TCP_NODELAY))
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# include <netinet/tcp.h>
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# endif
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# endif
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# if (defined (__UTYPE_IBMAIX) || defined(__UTYPE_QNX))
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# include <sys/select.h>
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# endif
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# if (defined (__UTYPE_BEOS))
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# include <NetKit.h>
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# endif
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# if ((defined (_XOPEN_REALTIME) && (_XOPEN_REALTIME >= 1)) \
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|| (defined (_POSIX_VERSION) && (_POSIX_VERSION >= 199309L)))
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# include <sched.h>
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# endif
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# if (defined (__UTYPE_OSX) || defined (__UTYPE_IOS))
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# include <mach/clock.h>
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# include <mach/mach.h> // For monotonic clocks
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# endif
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# if (defined (__UTYPE_OSX))
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# include <crt_externs.h> // For _NSGetEnviron()
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# endif
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# if (defined (__UTYPE_ANDROID))
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# include <android/log.h>
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# endif
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# if (defined (__UTYPE_LINUX) && defined (HAVE_LIBSYSTEMD))
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# include <systemd/sd-daemon.h>
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# endif
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#endif
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#if (defined (__VMS__))
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# if (!defined (vaxc))
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# include <fcntl.h> // Not provided by Vax C
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# endif
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# include <netdb.h>
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# include <unistd.h>
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# include <pthread.h>
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# include <unixio.h>
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# include <unixlib.h>
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# include <types.h>
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# include <file.h>
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# include <socket.h>
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# include <dirent.h>
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# include <time.h>
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# include <pwd.h>
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# include <stat.h>
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# include <in.h>
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# include <inet.h>
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#endif
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#if (defined (__OS2__))
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# include <sys/types.h> // Required near top
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# include <fcntl.h>
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# include <malloc.h>
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# include <netdb.h>
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# include <unistd.h>
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# include <pthread.h>
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# include <dirent.h>
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# include <pwd.h>
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# include <grp.h>
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# include <io.h>
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# include <process.h>
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# include <sys/param.h>
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# include <sys/socket.h>
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# include <sys/select.h>
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# include <sys/time.h>
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# include <sys/stat.h>
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# include <sys/ioctl.h>
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# include <sys/file.h>
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# include <sys/wait.h>
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# include <netinet/in.h> // Must come before arpa/inet.h
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# include <arpa/inet.h>
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# include <utime.h>
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# if (!defined (TCP_NODELAY))
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# include <netinet/tcp.h>
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# endif
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#endif
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// Add missing defines for non-POSIX systems
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#ifndef S_IRUSR
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# define S_IRUSR S_IREAD
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#endif
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#ifndef S_IWUSR
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# define S_IWUSR S_IWRITE
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#endif
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#ifndef S_ISDIR
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# define S_ISDIR(m) (((m) & S_IFDIR) != 0)
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#endif
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#ifndef S_ISREG
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# define S_ISREG(m) (((m) & S_IFREG) != 0)
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#endif
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//- Check compiler data type sizes ------------------------------------------
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#if (UCHAR_MAX != 0xFF)
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# error "Cannot compile: must change definition of 'byte'."
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#endif
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#if (USHRT_MAX != 0xFFFFU)
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# error "Cannot compile: must change definition of 'dbyte'."
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#endif
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#if (UINT_MAX != 0xFFFFFFFFU)
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# error "Cannot compile: must change definition of 'qbyte'."
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#endif
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//- Data types --------------------------------------------------------------
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typedef unsigned char byte; // Single unsigned byte = 8 bits
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typedef unsigned short dbyte; // Double byte = 16 bits
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typedef unsigned int qbyte; // Quad byte = 32 bits
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typedef struct sockaddr_in inaddr_t; // Internet socket address structure
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typedef struct sockaddr_in6 in6addr_t; // Internet 6 socket address structure
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// Common structure to hold inaddr_t and in6addr_t with length
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typedef struct {
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union {
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inaddr_t __addr; // IPv4 address
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in6addr_t __addr6; // IPv6 address
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} __inaddr_u;
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#define ipv4addr __inaddr_u.__addr
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#define ipv6addr __inaddr_u.__addr6
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int inaddrlen;
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} inaddr_storage_t;
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//- Inevitable macros -------------------------------------------------------
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#define streq(s1,s2) (!strcmp ((s1), (s2)))
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#define strneq(s1,s2) (strcmp ((s1), (s2)))
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// Provide random number from 0..(num-1)
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#if (defined (__WINDOWS__)) || (defined (__UTYPE_IBMAIX)) \
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|| (defined (__UTYPE_HPUX)) || (defined (__UTYPE_SUNOS))
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# define randof(num) (int) ((float) (num) * rand () / (RAND_MAX + 1.0))
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#else
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# define randof(num) (int) ((float) (num) * random () / (RAND_MAX + 1.0))
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#endif
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// Windows MSVS doesn't have stdbool
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#if (defined (_MSC_VER))
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# if (!defined (__cplusplus) && (!defined (true)))
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# define true 1
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# define false 0
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typedef char bool;
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# endif
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#else
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# include <stdbool.h>
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#endif
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//- A number of POSIX and C99 keywords and data types -----------------------
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// CZMQ uses uint for array indices; equivalent to unsigned int, but more
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// convenient in code. We define it in czmq_prelude.h on systems that do
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// not define it by default.
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#if (defined (__WINDOWS__))
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# if (!defined (__cplusplus) && (!defined (inline)))
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# define inline __inline
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# endif
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# define strtoull _strtoui64
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# define atoll _atoi64
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# define srandom srand
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# define TIMEZONE _timezone
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# if (!defined (__MINGW32__))
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# define snprintf _snprintf
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# define vsnprintf _vsnprintf
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# endif
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typedef unsigned long ulong;
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typedef unsigned int uint;
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# if (!defined (__MINGW32__))
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typedef int mode_t;
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# if !defined (_SSIZE_T_DEFINED)
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typedef intptr_t ssize_t;
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# define _SSIZE_T_DEFINED
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# endif
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# endif
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# if ((!defined (__MINGW32__) \
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|| (defined (__MINGW32__) && defined (__IS_64BIT__))) \
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&& !defined (ZMQ_DEFINED_STDINT))
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typedef __int8 int8_t;
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typedef __int16 int16_t;
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typedef __int32 int32_t;
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typedef __int64 int64_t;
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typedef unsigned __int8 uint8_t;
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typedef unsigned __int16 uint16_t;
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typedef unsigned __int32 uint32_t;
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typedef unsigned __int64 uint64_t;
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# endif
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typedef uint32_t in_addr_t;
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# if (!defined (PRId8))
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# define PRId8 "d"
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# endif
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# if (!defined (PRId16))
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# define PRId16 "d"
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# endif
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# if (!defined (PRId32))
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# define PRId32 "d"
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# endif
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# if (!defined (PRId64))
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|
# define PRId64 "I64d"
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|
# endif
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|
# if (!defined (PRIu8))
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# define PRIu8 "u"
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# endif
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|
# if (!defined (PRIu16))
|
|
# define PRIu16 "u"
|
|
# endif
|
|
# if (!defined (PRIu32))
|
|
# define PRIu32 "u"
|
|
# endif
|
|
# if (!defined (PRIu64))
|
|
# define PRIu64 "I64u"
|
|
# endif
|
|
# if (!defined (va_copy))
|
|
// MSVC does not support C99's va_copy so we use a regular assignment
|
|
# define va_copy(dest,src) (dest) = (src)
|
|
# endif
|
|
#elif (defined (__UTYPE_OSX))
|
|
typedef unsigned long ulong;
|
|
typedef unsigned int uint;
|
|
// This fixes header-order dependence problem with some Linux versions
|
|
#elif (defined (__UTYPE_LINUX))
|
|
# if (__STDC_VERSION__ >= 199901L && !defined (__USE_MISC))
|
|
typedef unsigned int uint;
|
|
# endif
|
|
#endif
|
|
|
|
//- Non-portable declaration specifiers -------------------------------------
|
|
|
|
// For thread-local storage
|
|
#if defined (__WINDOWS__)
|
|
# define CZMQ_THREADLS __declspec(thread)
|
|
#else
|
|
# define CZMQ_THREADLS __thread
|
|
#endif
|
|
|
|
// Replacement for malloc() which asserts if we run out of heap, and
|
|
// which zeroes the allocated block.
|
|
static inline void *
|
|
safe_malloc (size_t size, const char *file, unsigned line)
|
|
{
|
|
// printf ("%s:%u %08d\n", file, line, (int) size);
|
|
void *mem = calloc (1, size);
|
|
if (mem == NULL) {
|
|
fprintf (stderr, "FATAL ERROR at %s:%u\n", file, line);
|
|
fprintf (stderr, "OUT OF MEMORY (malloc returned NULL)\n");
|
|
fflush (stderr);
|
|
abort ();
|
|
}
|
|
return mem;
|
|
}
|
|
|
|
// Define _ZMALLOC_DEBUG if you need to trace memory leaks using e.g. mtrace,
|
|
// otherwise all allocations will claim to come from czmq_prelude.h. For best
|
|
// results, compile all classes so you see dangling object allocations.
|
|
// _ZMALLOC_PEDANTIC does the same thing, but its intention is to propagate
|
|
// out of memory condition back up the call stack.
|
|
#if defined _ZMALLOC_DEBUG || _ZMALLOC_PEDANTIC
|
|
# define zmalloc(size) calloc(1,(size))
|
|
#else
|
|
# define zmalloc(size) safe_malloc((size), __FILE__, __LINE__)
|
|
#endif
|
|
|
|
// GCC supports validating format strings for functions that act like printf
|
|
#if defined (__GNUC__) && (__GNUC__ >= 2)
|
|
# define CHECK_PRINTF(a) __attribute__((format (printf, a, a + 1)))
|
|
#else
|
|
# define CHECK_PRINTF(a)
|
|
#endif
|
|
|
|
// Lets us write code that compiles both on Windows and normal platforms
|
|
#if !defined (__WINDOWS__)
|
|
typedef int SOCKET;
|
|
# define closesocket close
|
|
# define INVALID_SOCKET -1
|
|
# define SOCKET_ERROR -1
|
|
# define O_BINARY 0
|
|
#endif
|
|
|
|
//- Include non-portable header files based on platform.h -------------------
|
|
|
|
#if defined (HAVE_LINUX_WIRELESS_H)
|
|
# include <linux/wireless.h>
|
|
// This would normally come from net/if.h
|
|
unsigned int if_nametoindex (const char *ifname);
|
|
#else
|
|
# if defined (HAVE_NET_IF_H)
|
|
# include <net/if.h>
|
|
# endif
|
|
# if defined (HAVE_NET_IF_MEDIA_H)
|
|
# include <net/if_media.h>
|
|
# endif
|
|
#endif
|
|
|
|
#if defined (__WINDOWS__) && !defined (HAVE_UUID)
|
|
# define HAVE_UUID 1
|
|
#endif
|
|
#if defined (__UTYPE_OSX) && !defined (HAVE_UUID)
|
|
# define HAVE_UUID 1
|
|
#endif
|
|
#if defined (HAVE_UUID)
|
|
# if defined (__UTYPE_FREEBSD) || defined (__UTYPE_NETBSD)
|
|
# include <uuid.h>
|
|
# elif defined __UTYPE_HPUX
|
|
# include <dce/uuid.h>
|
|
# elif defined (__UNIX__)
|
|
# include <uuid/uuid.h>
|
|
# endif
|
|
#endif
|
|
|
|
// ZMQ compatibility macros
|
|
|
|
#if ZMQ_VERSION_MAJOR == 4
|
|
# define ZMQ_POLL_MSEC 1 // zmq_poll is msec
|
|
|
|
#elif ZMQ_VERSION_MAJOR == 3
|
|
# define ZMQ_POLL_MSEC 1 // zmq_poll is msec
|
|
# if ZMQ_VERSION_MINOR < 2
|
|
# define zmq_ctx_new zmq_init
|
|
# endif
|
|
# define zmq_ctx_term zmq_term
|
|
|
|
#elif ZMQ_VERSION_MAJOR == 2
|
|
# define ZMQ_POLL_MSEC 1000 // zmq_poll is usec
|
|
# define zmq_sendmsg zmq_send // Smooth out 2.x changes
|
|
# define zmq_recvmsg zmq_recv
|
|
# define zmq_ctx_new zmq_init
|
|
# define zmq_ctx_term zmq_term
|
|
# define zmq_msg_send(m,s,f) zmq_sendmsg ((s),(m),(f))
|
|
# define zmq_msg_recv(m,s,f) zmq_recvmsg ((s),(m),(f))
|
|
// Older libzmq APIs may be missing some aspects of libzmq v3.0
|
|
# ifndef ZMQ_ROUTER
|
|
# define ZMQ_ROUTER ZMQ_XREP
|
|
# endif
|
|
# ifndef ZMQ_DEALER
|
|
# define ZMQ_DEALER ZMQ_XREQ
|
|
# endif
|
|
# ifndef ZMQ_DONTWAIT
|
|
# define ZMQ_DONTWAIT ZMQ_NOBLOCK
|
|
# endif
|
|
# ifndef ZMQ_XSUB
|
|
# error "please upgrade your libzmq from http://zeromq.org"
|
|
# endif
|
|
# if ZMQ_VERSION_MINOR == 0 \
|
|
|| (ZMQ_VERSION_MINOR == 1 && ZMQ_VERSION_PATCH < 7)
|
|
# error "CZMQ requires at least libzmq/2.1.7 stable"
|
|
# endif
|
|
#endif
|
|
|
|
#endif
|
|
|