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/* MIT License
*
* Copyright (c) 2004 Daniel Stenberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*/
#ifndef HEADER_CARES_SETUP_H
#define HEADER_CARES_SETUP_H
/*
* Define WIN32 when build target is Win32 API
*/
#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
# define WIN32
#endif
/*
* Include configuration script results or hand-crafted
* configuration file for platforms which lack config tool.
*/
#if defined(HAVE_CONFIG_H) && !defined(_MSC_VER)
# include "ares_config.h"
#else
# ifdef WIN32
# include "config-win32.h"
# endif
#endif /* HAVE_CONFIG_H */
/* ================================================================ */
/* Definition of preprocessor macros/symbols which modify compiler */
/* behaviour or generated code characteristics must be done here, */
/* as appropriate, before any system header file is included. It is */
/* also possible to have them defined in the config file included */
/* before this point. As a result of all this we frown inclusion of */
/* system header files in our config files, avoid this at any cost. */
/* ================================================================ */
/*
* AIX 4.3 and newer needs _THREAD_SAFE defined to build
* proper reentrant code. Others may also need it.
*/
#ifdef NEED_THREAD_SAFE
# ifndef _THREAD_SAFE
# define _THREAD_SAFE
# endif
#endif
/*
* Tru64 needs _REENTRANT set for a few function prototypes and
* things to appear in the system header files. Unixware needs it
* to build proper reentrant code. Others may also need it.
*/
#ifdef NEED_REENTRANT
# ifndef _REENTRANT
# define _REENTRANT
# endif
#endif
/* ================================================================ */
/* If you need to include a system header file for your platform, */
/* please, do it beyond the point further indicated in this file. */
/* ================================================================ */
/*
* c-ares external interface definitions are also used internally,
* and might also include required system header files to define them.
*/
#include <ares_build.h>
/*
* Compile time sanity checks must also be done when building the library.
*/
#include <ares_rules.h>
/* ================================================================= */
/* No system header file shall be included in this file before this */
/* point. The only allowed ones are those included from ares_build.h */
/* ================================================================= */
/*
* Include header files for windows builds before redefining anything.
* Use this preproessor block only to include or exclude windows.h,
* winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
* to any other further and independent block. Under Cygwin things work
* just as under linux (e.g. <sys/socket.h>) and the winsock headers should
* never be included when __CYGWIN__ is defined. configure script takes
* care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
* neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
*/
#ifdef HAVE_WINDOWS_H
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
# ifdef HAVE_WINSOCK2_H
# include <winsock2.h>
# ifdef HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
# endif
# else
# ifdef HAVE_WINSOCK_H
# include <winsock.h>
# endif
# endif
#endif
/*
* Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
* define USE_WINSOCK to 1 if we have and use WINSOCK API, else
* undefine USE_WINSOCK.
*/
#ifdef USE_WINSOCK
# undef USE_WINSOCK
#endif
#ifdef HAVE_WINSOCK2_H
# define USE_WINSOCK 2
#else
# ifdef HAVE_WINSOCK_H
# define USE_WINSOCK 1
# endif
#endif
/*
* Work-arounds for systems without configure support
*/
#ifndef HAVE_CONFIG_H
# if !defined(HAVE_SYS_TIME_H) && !defined(_MSC_VER) && !defined(__WATCOMC__)
# define HAVE_SYS_TIME_H
# endif
# if !defined(HAVE_UNISTD_H) && !defined(_MSC_VER)
# define HAVE_UNISTD_H 1
# endif
# if !defined(HAVE_SYS_UIO_H) && !defined(WIN32) && !defined(MSDOS)
# define HAVE_SYS_UIO_H
# endif
#endif /* HAVE_CONFIG_H */
/*
* Arg 2 type for gethostname in case it hasn't been defined in config file.
*/
#ifndef GETHOSTNAME_TYPE_ARG2
# ifdef USE_WINSOCK
# define GETHOSTNAME_TYPE_ARG2 int
# else
# define GETHOSTNAME_TYPE_ARG2 size_t
# endif
#endif
#ifdef __POCC__
# include <sys/types.h>
# include <unistd.h>
# define ESRCH 3
#endif
/*
* Android does have the arpa/nameser.h header which is detected by configure
* but it appears to be empty with recent NDK r7b / r7c, so we undefine here.
* z/OS does have the arpa/nameser.h header which is detected by configure
* but it is not fully implemented and missing identifiers, so udefine here.
*/
#if (defined(ANDROID) || defined(__ANDROID__) || defined(__MVS__)) && \
defined(HAVE_ARPA_NAMESER_H)
# undef HAVE_ARPA_NAMESER_H
#endif
/*
* Recent autoconf versions define these symbols in ares_config.h. We don't
* want them (since they collide with the libcurl ones when we build
* --enable-debug) so we undef them again here.
*/
#ifdef PACKAGE_STRING
# undef PACKAGE_STRING
#endif
#ifdef PACKAGE_TARNAME
# undef PACKAGE_TARNAME
#endif
#ifdef PACKAGE_VERSION
# undef PACKAGE_VERSION
#endif
#ifdef PACKAGE_BUGREPORT
# undef PACKAGE_BUGREPORT
#endif
#ifdef PACKAGE_NAME
# undef PACKAGE_NAME
#endif
#ifdef VERSION
# undef VERSION
#endif
#ifdef PACKAGE
# undef PACKAGE
#endif
/* IPv6 compatibility */
#if !defined(HAVE_AF_INET6)
# if defined(HAVE_PF_INET6)
# define AF_INET6 PF_INET6
# else
# define AF_INET6 AF_MAX + 1
# endif
#endif
/*
* Include macros and defines that should only be processed once.
*/
#ifndef __SETUP_ONCE_H
# include "setup_once.h"
#endif
#endif /* HEADER_CARES_SETUP_H */
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